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Models 750/751/754/774/794

Soft Serve Freezers

Operating Instructions

028754--M2/01/02

Complete this page for quick reference when service is required:

Taylor Distributor:

Address:

Phone:

Service:

Parts:

Date of Installation:

Information found on the data label:

Model Number:

Serial Number:

Electrical Specs: Voltage Cycle

Phase

Maximum Fuse Size: A

Minimum Wire Ampacity: A

E February, 2002 TaylorAll rights reserved.028754--M

Taylor Company750 N. Blackhawk Blvd.Rockton, IL 61072

The word Taylor and the Crown designare registered trademarks in the United Statesof America and certain other countries.

Models 750, 751, 754, 774, 794 Table of Contents

Table of Contents

Section 1 To the Installer 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Water Connections (Water Cooled Units Only) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . .Air Cooled Units 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electrical Connections 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 2 To the Operator 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compressor Warranty Disclaimer 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 3 Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 4 Operator Parts Identification 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Model 750 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Model 751 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Model 754 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Model 774 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Model 774 Topping Pump 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Model 794 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Models 750 & 751 Single Spout Door and Beater Assembly 10. . . . . . . . . . . . . . . .Models 754, 774 & 794 Three Spout Door and Beater Assembly 11. . . . . . . . . . . .

Section 5 Important: To the Operator 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Symbol Definitions 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power Switch 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIX LOW Indicator Light 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIX REF Key 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .STANDBY Key 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .WASH Key 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AUTO Key 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Reset Button 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air Tube 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adjustable Draw Handle 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents Models 750, 751, 754, 774, 794

Table of Contents -- Page 2

Section 6 Operating Procedures 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prior to Set-Up (Model 774) 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Assembly 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Sanitizing 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Priming 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Closing Procedure 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Draining Product From The Freezing Cylinder 23. . . . . . . . . . . . . . . . . . . . . . . . . . . .Rinsing 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cleaning 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Disassembly 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brush Cleaning 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 7 Important: Operator Checklist 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

During Cleaning and Sanitizing 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Troubleshooting Bacterial Count 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Regular Maintenance Checks 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Winter Storage 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 8 Troubleshooting Guide 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 9 Parts Replacement Schedule 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 10 Parts List 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wiring Diagrams 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note: Continuing research results in steady improvements; therefore, informationin this manual is subject to change without notice.

1Models 750, 751, 754, 774, 794 To the Installer

050418

Section 1 To the InstallerThis machine is designed for indoor use only.

DO NOT install the machine in an area whereawater jet could beused to clean or rinse themachine.Failure to follow this instruction may result in seriouselectrical shock.

Water Connections(Water Cooled Units Only)

An adequate cold water supply must be provided witha hand shut-off valve. On the underside rear of thebase pan, two 3/8” I.P.S. (for single-head units) or two1/2” I.P.S. (for double-head units) water connectionsfor inlet and outlet have been provided for easyhook-up. 1/2” inside diameter water lines should beconnected to the machine. (Flexible lines arerecommended, if local codes permit.) Depending onlocal water conditions, it may be advisable to install awater strainer to prevent foreign substances fromclogging the automatic water valve. There will be onlyone water “in” and one water “out” connection for bothsingle-head and double-head units. DO NOT install ahand shut-off valve on the water “out” line! Watershould always flow in this order: first, through theautomatic water valve; second, through thecondenser; and third, through the outlet fitting to anopen trap drain.

Air Cooled Units

The model 750 air cooled unit requires a minimum of6” (152 mm) of clearance on both sides and 0” in therear of the unit. Themodel 751, 754, 774 and 794unitsrequire 3” on all sides. This will allow for adequate airflow across the condenser(s). Failure to allowadequate clearance can reduce the refrigerationcapacity of the freezer and possibly cause permanentdamage to the compressor.

Electrical ConnectionsEach freezer requires one power supply for each datalabel. Check the data label(s) on the freezer for fuse,circuit ampacity and electrical specifications. Refer tothewiring diagramprovided insideof theelectrical box,for proper power connections.

In the United States, this equipment is intended to beinstalled in accordance with the National ElectricalCode (NEC), ANSI/NFPA 70--1987. The purpose ofthe NEC code is the practical safeguarding of personsand property from hazards arising from the use ofelectricity. This code contains provisions considerednecessary for safety. Compliance therewith andproper maintenance will result in an installationessentially free from hazard!

In all other areas of the world, equipment should beinstalled in accordance with the existing local codes.Please contact your local authorities.

Stationary appliances which are not equipped with apower cord and a plug or other device to disconnectthe appliance from the power source must have anall--pole disconnecting device with a contact gap of atleast 3 mm installed in the external installation.

CAUTION: THIS EQUIPMENT MUST BEPROPERLY GROUNDED! FAILURE TO DO SOCAN RESULT IN SEVERE PERSONAL INJURYFROM ELECTRICAL SHOCK!

Beater rotation must be clockwise as viewed lookinginto the freezing cylinder of any model freezer.

Note: The following procedures should beperformed by a trained service technician.

To correct rotation on a three-phase unit, interchangeany two incoming power supply lines at freezer mainterminal block only.

To correct rotation on a single-phase unit, change theleads inside the beater motor. (Follow diagram printedon motor.)

Electrical connections are made directly to theterminal block provided in themain control box locatedunder the upper left side panel on the Model 750, or

2 Models 750, 751, 754, 774, 794To the Operator

050818

Section 2 To the Operator

The freezer you have purchased has been carefullyengineered andmanufactured to give you dependableoperation. The Taylor Company soft-serve modelscovered in this manual consist of the following: 750,751, 754, 774, and 794.

Theseunits, whenproperly operatedandcared for, willproduce a consistent quality product. Like allmechanical products, they will require cleaning andmaintenance. A minimum amount of care andattention is necessary if the operating proceduresoutlined in this manual are followed closely.

This Operator’s Manual should be read beforeoperating or performing any maintenance on yourequipment.

Your Taylor freezer will NOT eventually compensatefor and correct any errors during the set-up or fillingoperations. Thus, the initial assembly and primingprocedures are of extreme importance. It is stronglyrecommended that personnel responsible for theequipment’s operation, both assembly anddisassembly, go through these procedures together inorder to be properly trained and to make sure that noconfusion exists.

In the event you should require technical assistance,please contact your local authorized TaylorDistributor.

If the crossed out wheeled bin symbol isaffixed to this product, it signifies that this product iscompliant with the EUDirective as well as other similarlegislation in effect after August 13, 2005. Therefore,it must be collected separately after its use iscompleted, and cannot be disposed as unsortedmunicipal waste.

The user is responsible for returning the product to theappropriate collection facility, as specified by your localcode.

For additional information regarding applicable locallaws, please contact the municipal facility and/or localdistributor.

Compressor Warranty Disclaimer

The refrigeration compressor(s) on this machine arewarranted for the term indicated on the warranty cardaccompanying this machine. However, due to theMontreal Protocol and the U.S. Clean Air ActAmendments of 1990, many new refrigerants arebeing tested and developed, thus seeking their wayinto the service industry. Some of these newrefrigerants are being advertised as drop-inreplacements for numerous applications. It should benoted that, in the event of ordinary service to thismachine’s refrigeration system, only the refrigerantspecified on the affixed data label should beused.The unauthorized use of alternate refrigerants will voidyour compressor warranty. It will be the owner’sresponsibility tomake this fact known to any technicianhe employs.

It should also be noted that Taylor does not warrant therefrigerant used in its equipment. For example, if therefrigerant is lost during the course of ordinary serviceto this machine, Taylor has no obligation to eithersupply or provide its replacement either at billable orunbillable terms. Taylor does have the obligation torecommend a suitable replacement if the originalrefrigerant is banned, obsoleted, or no longer availableduring the five year warranty of the compressor.

The Taylor Company will continue to monitor theindustry and test new alternates as they are beingdeveloped. Should a new alternate prove, through ourtesting, that it would be accepted as a drop-inreplacement, then the above disclaimer wouldbecome null and void. To find out the current status ofan alternate refrigerant as it relates to yourcompressor warranty, call the local Taylor Distributoror the Taylor Factory. Be prepared to provide theModel/Serial Number of the unit in question.

3Models 750, 751, 754, 774, 794 Safety

050418

Section 3 Safety

Weat Taylor Company are concernedabout the safetyof the operator when he or she comes in contact withthe freezer and its parts. Taylor has gone to extremeefforts to design and manufacture built-in safetyfeatures to protect both youand the service technician.As an example, warning labels have been attached tothe freezer to further point out safety precautions to theoperator.

IMPORTANT -- Failure to adhere to thefollowing safety precautions may result in severepersonal injury. Failure to comply with thesewarnings may also damage the machine and itscomponents. Component damage will result inpart replacement expense and service repairexpense.

To Operate Safely:

DO NOT operate the freezer without readingthis operator’s manual. Failure to follow this instructionmay result in equipment damage, poor freezerperformance, health hazards, or personal injury.

S DO NOT operate the freezer unless it isproperly grounded.

S DO NOT attempt any repairs unless themain power supply to the freezer has beendisconnected.

S DO NOT operate the freezer with largerfuses than specified on the freezer datalabel.

Failure to follow these instructions may result inelectrocution or damage to the machine. Contact yourlocal authorized Taylor Distributor for service.

DO NOT use a water jet to clean or rinse thefreezer. Failure to follow this instruction may result inserious electrical shock.

S DO NOT allow untrained personnel tooperate this machine.

S DO NOT operate the freezer unless allservice panels and access doors arerestrained with screws.

S DO NOT remove the door, beater andblades, or drive shaft unless all controlswitches are in the OFF position.

S DO NOT put objects or fingers in doorspout.

Failure to follow these instructions may result incontaminated product or severe personal injury tofingers or hands from hazardous moving parts.

USE EXTREME CAUTION when removingthe beater assembly. The scraper blades are verysharp and may cause injury.

This freezer must be placed on a levelsurface. Failure to complymay result in personal injuryor equipment damage.

DO NOT obstruct air intake and discharge openings:

Counter Model: 6” (152 mm) minimum air space onboth sides and 0” on the rear.Console Models: 3” (76 mm) minimum air space onall sides.

Failure to follow this instruction may cause poorfreezer performance and damage to the machine.

These freezers are designed to operate indoors, undernormal ambient temperatures of 70_--75_F(21_--24_C). The freezers have successfullyperformed in high ambient temperatures of 104_F(40_C) at reduced capacities.

NOISE LEVEL: Airborne noise emission does notexceed 78 dB(A) when measured at a distance of 1.0meter from the surface of the machine and at a heightof 1.6 meters from the floor.

4 Models 750, 751, 754, 774, 794Operator Parts Identification

Section 4 Operator Parts Identification

Model 750

Item Description Part No.

1 Cover A.-Hopper X38458

2 Gasket-Hopper Cover 038375

3 Tube A.-Feed X29429-2

4 Panel-Rear 020891

5 Panel-Upper Side Right 042317

6 Pan-Drip 050766

7 Panel-Right Side 050742

8 Shield-Splash 022763

9 Tray-Drip 013690


10 Panel-Side Left 050741

11 Leg-4” SS w/O-Ring 013458

12 Louver-Side-Left 013631

13 Stud-Nose Cone 022822

14 Panel A.-Front X50754

15 O-Ring-.643 OD x .077 W 018572

16 O-Ring-3/8 OD x .070 W 016137

17 Orifice 022465-100

5Models 750, 751, 754, 774, 794 Operator Parts Identification

Model 751





4 Panel-Rear 013637


6 Pan-Drip 11-5/8 Long 027503

7 Panel A.-Lower Side Right X24424


9 Tray-Drip 14-7/8 x 5-1/8 013690

10 Panel-Upper Side Left 024426


11 Panel-Service 047170

12 Caster-Swivel 018794


14 Panel A.-Side-Lower-Louvered X39075

15 O-Ring-.643 OD x .077 W 018572

16 O-Ring-3/8 OD x .070 W 016137

17 Orifice 022465-100

18 Louver-Side (Left & Right) 017471


20 Adaptor A.-Caster X18915


Model 754





4 Panel-Rear 053782


6 Panel A.-Side Lower Right X46448



9 Tray-Drip 014533





13 Panel A.-Side Lower Left X46447


15 O-Ring-.643 OD x .077 W 018572

16 O-Ring-3/8 OD x .070 W 016137

17 Orifice 022465-100

18 Pan-Drip 17-1/4” Long 027504




Model 774





4 Panel-Upper Rear X42574


6 Panel A.-Side Lower-Right X46448



9 Tray-Drip 014533



12 Pan-Drip 17-1/4” Long 027504

13 Lid with Ladle 1 oz. 036575


14 Pump A.-Syrup-Tan 053794--TAN

15 O-Ring-.643 OD x .077 W 018572

16 Panel A.-Side Lower-Left X46447

17 Jar-Syrup-Plastic 036573

18 Jar-Syrup-Stainless-Shallow 036574



21 Panel-Lower Rear 053837

22 O-Ring-3/8 OD x .070 W 016137

23 Orifice 022465-100




Model 774 Topping Pump (053794--)

ITEM DESCRIPTION PART NO.

1 Knob-Plunger-Tan 032762-TAN1 Knob-Plunger-Brown 032762-BRN1 Knob-Plunger-Red 032762-RED2 O-Ring-9/16 OD x .103 W 0163693 Nut-Plunger 0365774 Collar-Gaging 1/2 Ounce 0355145 Tube-Plunger 0327576 Insert-Plunger 0327587 Spring-Plunger 0327618 Washer-Nylon 0327609 Plunger 036578

10 Seal Assembly X3305710a O-Ring-13/16 OD x .103 W 01933011 Body-Syrup Pump 04793412 Nut-Spout 03682113 Lid-Pump 03682214 Tube-Discharge 05091215 O-Ring-1-5/16 OD x .103 W 04814916 O-Ring-1 OD x .103 W 04814817 Kit-Valve-Captured Ball Shallow 048166-001

Includes:1 - Body A.-Pump Valve1 - O-Ring-1-5/16 OD x .103W (048149)1 - Brush-cleaning (054068)1 - Instruction Sheet-Installation/Cleaning


Model 794


1 Cover-Hopper 14 Qt. Grey 041682-GRY

2 Pan-Drip 19-1/2 Long 035034


4 Panel-Rear 041855

5 Panel-Upper Side (Left & Right) 024426

6 Panel A.-Side Lower Right X46448



9 Tray-Drip 020157


10 Caster 018794

11 Panel A.-Side Lower Left X46447



14 O-Ring-3/8 OD x .070 W 016137

15 O-Ring-.643 OD x .077 W 018572

16 Orifice 024465-100




Models 750 & 751 Single Spout Door and Beater Assembly


1 HANDLE A.- DRAW X550961a DRAW HANDLE 0288041b SCREW-ADJUST 0550921c O-RING 1/4OD X .070W 0158721d NUT-JAM 029639-BLK2 NUT-STUD FLAT LONG 0215083 DOOR A.- 1-SPOUT X51531-104 VALVE A.- DRAW X183035 O-RING 7/8OD X .070W 0144026 CAP-DESIGN 014218


7 O-RING 5/16OD X .070W 0162728 PLUG-PRIME 0288059 O-RING-PRIME PLUG 016137

10 PIN A.- PIVOT X2282011 GASKET-DOOR HT 4” 04892612 BLADE- SCRAPER 03517413 BEATER A.- HELICORE X3176114 BEARING-FRONT 05021615 SHAFT-BEATER 03256416 SEAL-DRIVE SHAFT 032560


Models 754, 774 & 794 Three Spout Door and Beater Assembly


1 Handle A.-Draw X55096

1a Draw Handle 028804

1b Screw-Adjustment 055092

1c O-Ring 1/4 OD x .070 W 015872

1d Nut--Jam 029639--BLK

2 Nut-Stud Long 034382

3 Nut-Stud Short 034383

4 Valve A.-Draw X18303

5 O-Ring 7/8 OD x .070 W 014402

6 Shaft-Beater 032564


7 Seal-Drive Shaft 032560

8 Cap-Design 014218

9 Decal-Door 021521

10 Door A.-3 Spout X51532-12

11 Rod A.-Pivot X20683

12 O-Ring 5/16 OD x .070 W 016272

13 Gasket-Door HT 4” 048926

14 Bearing-Front 050216

15 Beater A.-Helicore X31761

16 Blade-Scraper 035174

12 Models 750, 751, 754, 774, 794Important: To the Operator

Section 5 Important: To the Operator750/751

754/774/794

ITEM DESCRIPTION1 MIX LOW INDICATOR LIGHT2 MIX REFRIGERATION KEY3 STANDBY KEY4 WASH KEY5 AUTO KEY6 POWER ON/OFF (TOGGLE)7 RESET BUTTON

Symbol Definitions

To better communicate in the International arena, thewords onmany of our operator switchesand keyshavebeen replaced with symbols to indicate their functions.Your Taylor equipment is designed with theseInternational symbols.

13Models 750, 751, 754, 774, 794 Important: To the Operator

The following chart identifies the symbol definitions.

= OFF

= ON

= MIX

= STANDBY

= WASH

= AUTO

Power Switch

When placed in the ON position, the power switchallows SOFTECH control panel operation.

MIX LOW Indicator Light

Located on the front of the machine is a mix levelindicating light. When the light is flashing, it indicatesthat themix hopper has a low supply of mix and shouldbe refilled as soon as possible. Always maintain atleast 3” (7.6 cm) of mix in the hopper. If you neglect toadd mix, a freeze-up may occur. This will causeeventual damage to the beater, blades, drive shaft,and freezer door.

MIX REF Key

When the MIX REF key is pressed, the light comes onindicating the mix hopper refrigeration system isoperating. For the Models 754, 774, and 794 the MIXREF is controlled by the left side of the freezer asviewed from the operator end. The MIX REF functioncannot be cancelled unless the AUTO or STANDBYmodes are cancelled first.

STANDBY Key

The Separate Hopper Refrigeration System (SHR)and the Cylinder Temperature Retention System(CTR) are standard features on these machines. TheSHR incorporates the use of a separate smallrefrigeration system to maintain the mix in the hopperbelow 40_(4.4_C) to assure bacteria control. TheCTRworks with theSHR tomaintain agood quality product.During long “No Sale” periods, it is necessary to warmthe product in the freezing cylinder to approximately35_F to 40_F (1.7_C to 4.4_C) to prevent overbeatingand product breakdown.

To activate the SHR and CTR, press the STANDBYkey. Remove the air orifice and place the air tube (endwithout the hole) into the mix inlet hole.

When the STANDBY key is pressed, the light comeson, indicating the CTR (Cylinder TemperatureRetention System) has been activated. In theSTANDBY mode, the WASH and AUTO functions areautomatically cancelled. The MIX REF function isautomatically locked in to maintain the mix in thehopper.

To resume normal operation, press the AUTO key.When the unit cycles off, the product in the freezingcylinder will be at serving viscosity. At this time, placethe air tube (end with the hole) into the mix inlet holeand install the air orifice.

WASH Key

When the WASH key is pressed, the light comes on.This indicates beater motor operation. The STANDBYor AUTOmodes must be cancelled first to activate theWASH mode.

AUTO Key

When the AUTO key is pressed, the light comes on.This indicates that the main refrigeration system hasbeen activated. In the AUTO mode, the WASH orSTANDBY functions are automatically cancelled. TheMIX REF function is automatically locked in tomaintain the mix in the mix hopper.

Note: An indicating light and an audible tone willsound whenever a mode of operation has beenpressed. To cancel any function, press the key again.The light and mode of operation will shut off.

14 Models 750, 751, 754, 774, 794Important: To the Operator

Reset Button

On counter models, the reset button is located on theside of the unit. On console models, the reset buttonis located in the service panel. The reset protects thebeatermotor fromanoverload condition. If anoverloadoccurs, the reset mechanismwill trip. To properly resetthe freezer, press the AUTO key to cancel the cycle.Turn the power switch to the OFF position. Press thereset button firmly.

Donot usemetal objects to press the resetbutton. Failure to follow this instruction mayresult in electrocution.

Turn the power switch to the ON position. Press theWASH key and observe the freezer’s performance.Open the side access panel. Make sure the beatermotor is turning the drive shaft in a clockwise direction(from the operator end) without binding.

If the beatermotor is turning properly, press theWASHkey to cancel the cycle. Press theAUTOkey to resumenormal operation. If the freezer shuts down again,contact a service technician. (For Models 754, 774,and 794 press the AUTO key on both sides of the unitto resume normal operation.)

Air Tube

The air tube serves two purposes. One end of the tubehas a hole and the other end does not.

Figure 1

1. After priming the machine, lubricate the o-ringson the air tube (the end with the hole) andplace it into the mix inlet hole. Every time the

draw handle is raised, new mix and air from thehopper will flow down into the freezing cylinder.This will keep the freezing cylinder properlyloaded and will maintain overrun.

2. During long “No Sale” periods, remove the airorifice. Lubricate the o-rings on the air tube (theend without the hole), and place it into themix inlet hole. This will prevent any mix fromentering the freezing cylinder.

The air orifice is used to meter a certain amountof air into the freezing cylinder. The air orificemaintains overrunandallows enoughmix to enterthe freezing cylinder after a draw.

Adjustable Draw Handle

These units feature an adjustable draw handle toprovide the best portion control. The draw handleshould be adjusted to provide a flow rate of 5 to 7-1/2oz. (148 to 222 ml) of product per 10 seconds. ToINCREASE the flow rate, turn the screwCOUNTERCLOCKWISE. Turn the screwCLOCKWISE to DECREASE the flow rate. During“Sanitizing” and “Rinsing”, the flow rate can beincreased by removing the pivot pin and placing therestrictive bar on the TOP. When drawing product,always place the restrictive bar on the bottom.

Figure 2

IMPORTANT:Once the draw rate is set, tighten thelock nut with a wrench.

15Models 750, 751, 754, 774, 794 Operating Procedures

Section 6 Operating Procedures

The Model 751 has been selected to illustrate thestep-by-step operating procedures for all modelscontained in this manual. These models, for allpractical purposes of operation, are the same.

Each unit stores mix in a hopper. The mix then flowsby gravity through an air tube down into the freezingcylinder. They all have 3.4 quart (3.2 liter) capacityfreezing cylinders. TheModels 750, 751, 754, and 774have 20 quart (18.9 liter) mix hoppers. The Model 794has 14 quart (13.2 liter) mix hoppers.

Duplicate the following procedures, where they apply,for the second freezing cylinder on Models 754, 774,and 794.

We begin our instructions at the point where we enterthe store in the morning and find the partsdisassembled and laid out to air dry from the previousnight’s cleaning.

These opening procedures will show you how toassemble these parts into the freezer, sanitize them,and prime the freezer with fresh mix in preparation toserve your first portion.

If you are disassembling the machine for the first timeor need information to get to this starting point in ourinstructions, turn to page 24, “Disassembly”, and startthere.

Prior to Set-Up (Model 774)

Step 1Remove the two stainless syrup jars with toppingpumps from the syrup rail. Check the water level in theheated syrup toppingwell. Make sure thewater is filledto the indicating mark on the bottom of the well. Theheated rail should have 32 oz. (946.2 ml) of water.

Step 2Place the heater switch in the ON position.

Note: This heating process will take approximately2-1/2 hours to reach temperature. The water level inthe topping wells must be checked at least once daily.

Step 3Prepareapail of anapproved100PPMsanitizing solu-tion (example: Kay-5r). USE WARM WATER ANDFOLLOW THE MANUFACTURER’S SPECIFI-CATIONS. Sanitize the topping pumps by placing theentire pump assembly in the pail of sanitizing solution.Pump the solution through the assembly to thoroughlysanitize the pump.

Step 4Remove the two topping pumps. Fill each stainlesssyrup jar with topping. Replace the topping pumps inthe syrup jars.

Assembly

Note: When lubricating parts, use an approved foodgrade lubricant (example: Taylor Lube).

MAKE SURE POWER SWITCH IS IN THE“OFF” POSITION! Failure to follow this instructionmay result in severe personal injury from hazardousmoving parts.

Step 1Install the drive shaft. Lubricate the groove and shaftportion that comes in contact with the bearing on thebeater drive shaft. Slide the seal over the shaft andgroove until it snaps into place. DO NOT lubricate thehex end of the drive shaft. Fill the inside portion of theseal with 1/4” more lubricant and lubricate the flat sideof the seal that fits onto the rear shell bearing.

Figure 3

16 Models 750, 751, 754, 774, 794Operating Procedures

Insert the drive shaft into the freezing cylinder, hex endfirst, and into the rear shell bearing until the seal fitssecurely over the rear shell bearing. Engage the hexend firmly into the drive coupling. Be sure the driveshaft fits into the drive coupling without binding.

Figure 4

Step 2Take one of the scraper blades and slip it under thehook at the front of the beater. Wrap the blade aroundthe beater following the helix and pushing the bladedown onto the helix as youwrap. At the back end of thebeater, slip the blade under the hook. Repeat thisstep for the second scraper blade.

Figure 5

Holding the beater securely, slide the beater one thirdof the way into the freezing cylinder. Looking into thefreezing cylinder, align thehole at the rear of thebeaterwith the flats on the end of the drive shaft.

Figure 6

Slide the beater the remainder of the way into thefreezing cylinder and over the end of the drive shaft.The beater should fit snugly, but not so tightly that thebeater cannot be turned slightly to engage the driveshaft. If the beater slides in too easily with little or noresistance, there will not be enough force against thebeater to hold the blades in place. If this is the case,contact your authorized Taylor service technician.

Repeat steps 1 and 2 for the other side of the freezeron Models 754, 774, and 794.

Step 3Assemble the freezer door. Place the large rubbergasket(s) into the groove(s) on the back side of thefreezer door.

Slide the white plastic front bearing(s) over the bafflerod(s) onto the bearing hub(s) making certain that theflangedendof thebearing is resting against the freezerdoor.

Note: Do not lubricate the gasket(s) or the frontbearing(s).

Figure 7


Note: There are two gaskets and two front bearingsfor the Models 754, 774, and 794 door, one for eachfreezing cylinder.

Figure 8

Slide the two o-rings into the grooves on the primeplug(s). Apply an even coat of Taylor Lube to theo-rings and shaft(s).

Figure 9

Note: There are two prime plugs for the Models 754,774 and 794 door, one for each freezing cylinder.

Insert the prime plug(s) into the hole(s) in the top of thefreezer door, and push down.

Figure 10

Step 4Install the freezer door. Insert the baffle rod(s) throughthe opening in the beater(s) and seat the door flushwith the freezing cylinder. With the door seated on thefreezer studs, install the handscrews. Tighten equallyin a crisscross pattern to insure the door is snug.

Note: On Models 754, 774 and 794, shorthandscrews go on the bottom and the longhandscrews go on top.

Figure 11


Step 5Install the draw valve(s). Slide the two o-rings into thegrooves on the draw valve(s), and lubricate.

Figure 12

Note: Models 754, 774 and 794 have three drawvalves.

Lubricate the inside of the freezer door spout(s), topand bottom, and insert the draw valve(s) from thebottom until the slot in the draw valve(s) comes intoview.

Figure 13

Step 6Install the adjustable draw handle(s). Slide the o-ringinto the groove on the pivot pin, and lubricate.

Figure 14

Slide the fork over the bar in the slot of the draw valve.Secure with pivot pin.

Note: Models 754, 774 and 794 have three drawhandles. Slide the fork of the draw handle in the slot ofthe draw valve, starting from the right. Slide the pivotpin through each draw handle as you insert them intothe draw valves.

Figure 15

Note: These units feature adjustable draw handles toprovide the best portion control. The draw handles canbe adjusted for different flow rates. See page 14 formore information on adjusting these handles.


Step 7Snap the design cap(s) over the end of the doorspout(s).

Figure 16

Step 8Install the front drip tray and the splash shield underthe door spout(s).

Figure 17

Step 9Slide the rear drip pan(s) into thehole in the sidepanel.

Figure 18

Model 794: Slide the rear drip pan into the hole in thefront panel.

Step 10Slide two o-rings on one end of the air tube. Slide twoo-rings on the other end of the air tube.

Figure 19

Slide the small o-ring into the groove of the air orifice.Do not lubricate the o-ring.

Figure 20

Note: Make sure the hole in the air orifice is clean andis not clogged. If the hole in the air orifice shouldbecome clogged, use soap and hot water to clear thehole. Do not enlarge the hole in the air orifice.


Install the air orifice into the hole in the top of the airtube (in the end without the small hole on the side).

Figure 21

Step 11Lay the air tube (with the air orifice installed) and thehopper gasket in the bottom of the mix hopper forsanitizing.

Note: The Models 754 and 774 have one hoppergasket for each mix hopper. The Model 794 does notrequire a hopper gasket.

Repeat steps 10 and 11 for the other side of thefreezer on Models 754, 774 and 794.

Sanitizing

Step 1Prepare two gallons (7.6 liters) of an approved 100PPM sanitizing solution (example: Kay-5r). USEWARMWATER ANDFOLLOW THEMANUFACTUR-ER’S SPECIFICATIONS.

Step 2Pour the two gallons (7.6 liters) of sanitizing solutioninto the hopper and allow it to flow into the freezingcylinder.

Figure 22

Step 3While the solution is flowing into the freezing cylinder,brush clean the mix hopper. When cleaning thehopper, take particular care in brushing the mix levelsensing probe on the rear wall of the hopper, the mixinlet hole, the air tube, and the hopper gasket.

Figure 23

Figure 24


Figure 25

Step 4Place the power switch in the ON position.

Figure 26

Step 5Press the WASH key. This will cause the sanitizingsolution in the freezing cylinder to agitate. Allow it toagitate for five minutes.

Figure 27

Step 6Place an empty pail beneath the door spout and raisethe prime plug.

Figure 28

Step 7When a steady stream of sanitizing solution is flowingfrom the prime plug opening in the bottom of thefreezer door, lower the draw handle. Draw off all thesanitizing solution.

Figure 29

Note: OnModels 754, 774 and 794, momentarily pullthe center draw handle down to sanitize the centerdoor spout.

Step 8Once the sanitizer stops flowing from the door spout,raise the draw handle and press the WASH key,cancelling the beater motor operation.

Note: You have just sanitized the freezer. Be sureyour hands are sanitized before continuing theseinstructions.


Step 9Assemble the hopper gasket around the top edge ofthe mix hopper. Stand the air tube in the corner of thehopper.

Figure 30

Repeat steps 1 through 9 for the other side of thefreezer on Models 754, 774 and 794.

Priming

Step 1With a pail beneath the door spout, lower the drawhandle. Be sure the prime plug is still in the UPposition. Pour two gallons (7.6 liters) of fresh mix intothe mix hopper and allow it to flow into the freezingcylinder. This will force out any remaining sanitizingsolution. When full strength mix is flowing from thedoor spout, raise the draw handle.

Note: Use only fresh mix when priming the freezingcylinder.

Figure 31

Step 2Once a steady stream of mix starts to flow from theprime plug opening in the bottom of the freezer door,push down the prime plug.

Figure 32

Step 3Lubricate the o-rings on theair tubeon theendwith thesmall hole on the side.

Step 4Install the air tube (the end with the hole) with the airorifice installed into themix inlet hole in themix hopper.

Step 5Press the AUTO key. The AUTO light will come onindicating the main refrigeration system is operating.When the unit cycles off, the product will be at servingviscosity.

Note: On Models 751, 754, 774, and 794 the MIXREF light will come on, indicating the mix refrigerationsystem is operating to maintain the mix in the mixhopper.

Figure 33

Step 6Fill the hopper with mix. As the mix level comes incontact with the mix level sensing probe on the rearwall of the hopper, the MIX LOW light will shut off.


Step 7Place the mix hopper cover in position over the mixhopper.

Repeat steps 1 through 7 for the other side of thefreezer on Models 754, 774, and 794.

Closing Procedure

To disassemble your unit, the following items will beneeded:

S Two cleaning pailsS Sanitized stainless steel rerun can with lidS Necessary brushes (provided with freezer)

S CleanerS Single service towels

Draining Product From TheFreezing Cylinder

Step 1Press the AUTO key, cancelling compressor andbeater motor operation.

Press the MIX REF key, cancelling the mix hopperrefrigeration system.

Step 2Remove the hopper cover, hopper gasket and air tube.Take these parts to the sink for cleaning.

Step 3With a sanitized pail beneath the door spout, press theWASH key. Lower the draw handle and drain theremaining product from the freezing cylinder and mixhopper.

Step 4When the flow of product stops, press the WASH key,and raise the draw handle. If local health codes permit,empty the rerun into a sanitized stainless steel can.Cover the container and place it in the walk-in cooler.


ALWAYS FOLLOW LOCAL HEALTH CODES.

Rinsing

Step 1Pour twogallons (7.6 liters) of cool cleanwater into themix hopper. With the brushes provided, scrub the mixhopper, mix inlet hole and mix level sensing probe.

Step 2With apail beneath thedoor spout, raise theprimeplugand press the WASH key.

Step 3When a steady stream of rinse water is flowing fromthe prime plug opening in the bottom of the freezerdoor, lower the draw handle. Drain all the rinse waterfrom the freezing cylinder, raise the draw handle andpress the WASH key cancelling the WASH mode.


Cleaning

Step 1Prepare two gallons (7.6 liters) of an approved clean-ing solution (example: Kay-5r). USE WARM WATERAND FOLLOW THE MANUFACTURER’S SPECIFI-CATIONS.

Step 2Push down the prime plug. Pour the two gallons (7.6liters) of cleaning solution into the mix hopper.

Step 3While the solution is flowing into the freezing cylinder,brush clean the mix hopper, mix level sensing probe,and the mix inlet hole.

Step 4Press the WASH key. This will cause the cleaningsolution in the freezing cylinder to agitate.

Step 5Place an empty pail beneath the door spout and raisethe prime plug.

Step 6When a steady stream of cleaning solution is flowingfrom the prime plug opening in the bottom of thefreezer door, lower the draw handle. Draw off all of thesolution.

Step 7Once the cleaner stops flowing from the door spout,raise the draw handle and press the WASH keycancelling the WASH mode.



Disassembly

MAKE SURE POWER SWITCH IS IN THE“OFF” POSITION! Failure to follow this instructionmay result in severe personal injury from hazardousmoving parts.

Step 1Remove the handscrews, freezer door(s), beater(s),scraper blades, and drive shaft(s) from the freezingcylinder(s). Take these parts to the sink for cleaning.

Step 2Remove the front drip tray and the splash shield.

Brush Cleaning

Step 1Prepare a sink with an approved cleaning solution (ex-ample: Kay-5r). USE WARMWATER AND FOLLOWTHE MANUFACTURER’S SPECIFICATIONS. Ifanother approved cleaner is used, dilute it accordingto the label instructions. (IMPORTANT: Follow thelabel directions. Too STRONG of a solution can causeparts damage, while tooMILD of a solutionwill not pro-vide adequate cleaning.) Make sure all brushes pro-vided with the freezer are available for brush cleaning.

Step 2Remove the seal(s) from the drive shaft(s).

Step 3From the freezer door(s) remove:

S gasket(s)S front bearing(s)S pivot pin(s)S adjustable draw handle(s)S design cap(s)S draw valve(s)S prime plug(s)

Remove all o-rings.

Note: To remove o-rings, usea single service towel tograsp theo-ring. Apply pressure in an upwarddirectionuntil the o-ring pops out of its groove. With the otherhand, push the top of the o-ring forward and it will rollout of the groove and can be easily removed. If thereis more than one o-ring to be removed, always removethe rear o-ring first. This will allow the o-ring to slideover the forward rings without falling into the opengrooves.

Step 4Remove the o-rings from the air tube(s) and airorifice(s).

Step 5Return to the freezer with a small amount of cleaningsolution. Brush clean the rear shell bearing(s) at theback of the freezing cylinder(s) with the black bristlebrush.

Figure 34

Step 6Remove the rear drip pan(s) and take to the sink forcleaning.

Note: If the drip pan is filled with an excessive amountof mix, refer to the Troubleshooting Guide.

Step 7Thoroughly brush clean all disassembled parts in thecleaning solutionmaking sure all lubricant and mix filmis removed. Take particular care to brush clean thedraw valve core(s) in the freezer door. Place all thecleaned parts on a clean, dry surface to air dryovernight.

Step 8Wipe clean all exterior surfaces of the freezer.

25Models 750, 751, 754, 774, 794 Important: Operator Checklist

Section 7 Important: Operator Checklist

During Cleaning and Sanitizing

Cleaning and sanitizing schedules are governed byyour State or local regulatory agencies and must befollowed accordingly. The following check pointsshould be stressed during the cleaning and sanitizingoperations.

WE RECOMMEND DAILY CLEANING ANDSANITIZING.

ALWAYS FOLLOW LOCAL HEALTH CODES.

Troubleshooting Bacterial Count

j 1. Thoroughly clean and sanitize machineregularly, including complete disassembly andbrush cleaning.

j 2. Use all brushes supplied for thorough cleaning.The brushes are specially designed to reach allmix passageways.

j 3. Use the white bristle brush to clean the mix inlethole which extends from the mix hopper downto the rear of the freezing cylinder.

j 4. Use the black bristle brush to thoroughly cleanthe rear shell bearing located at the rear of thefreezing cylinder. Be sure to have a generousamount of cleaning solution on the brush.

j 5. IF LOCAL HEALTH CODES PERMIT THEUSE OF RERUN, make sure the mix rerun isstored in a sanitized, covered stainless steelcontainer and used the following day. DO NOTprime the machine with rerun. When usingrerun, skim off the foam and discard. Mix thererunwith freshmix in a ratio of 50/50 during thedays operation.

j 6. On a designated day of theweek, run themix aslow as feasible and discard it after closing. Thiswill break the rerun cycle and reduce thepossibility of high bacteria and coliform counts.

j 7. Properly prepare the cleaning and sanitizingsolutions. Read and follow label directionscarefully. Too strong of a solution may damagethe parts and too weak of a solution will not doan adequate job of cleaning or sanitizing.

j 8. The temperature of the mix in the mix hopperand walk-in cooler should be below 40_F.(4.4_C.).

Regular Maintenance Checks

j 1. Replace scraper blades that are nicked ordamaged. Before installing the beaterassembly, be certain that scraper blades areproperly attached to the helix.

j 2. Check the rear shell bearing for signs of wear(excessive mix leakage in rear drip pan) and becertain it is properly cleaned.

j 3. Using a screwdriver and cloth towel, keep therear shell bearing and the female hex drivesocket clean and free of lubricant and mixdeposits.

j 4. Dispose of o-rings and seals if they are worn,torn, or fit too loosely, and replace with newones.

j 5. Follow all lubricating procedures as outlined in“Assembly”.

j 6. If your machine is air cooled, check thecondensers for accumulation of dirt and lint.Dirty condensers will reduce the efficiency andcapacity of themachine. Condensers should becleaned monthly with a soft brush. Never usescrewdrivers or other metal probes to cleanbetween the fins.

Caution: Always disconnectelectrical power prior to cleaning thecondenser. Failure to follow this instructionmay result in electrocution.

26 Models 750, 751, 754, 774, 794Important: Operator Checklist

j 7. If your machine is equipped with an auxiliaryrefrigeration system, check the auxiliarycondenser for accumulation of dirt and lint. Dirtycondensers will reduce the refrigerationcapacity of the mix hopper. Condensers mustbe cleanedmonthlywith a soft brush. Neverusescrewdrivers or other metal probes to cleanbetween the fins. Failure to follow thisinstruction may result in electrocution.

Caution: Always disconnectelectrical power prior to cleaning thecondenser. Failure to follow this instructionmay result in electrocution.

j 8. If yourmachine iswater cooled, check thewaterlines for kinks or leaks. Kinks can occur whenthe machine is moved back and forth forcleaning or maintenance purposes.Deteriorated or cracked water lines should bereplaced only by an authorized Taylordistributor.

Winter StorageIf the placeof business is to be closedduring thewintermonths, it is important to protect the freezer byfollowing certain precautions, particularly if thebuilding is subject to freezing conditions.

Disconnect the freezer from the main power source toprevent possible electrical damage.

On water cooled freezers, disconnect the watersupply. Relieve pressure on the spring in the watervalve. Use air pressure on the outlet side to blow outany water remaining in the condenser, and then add aliberal amount of permanent type auto anti-freeze.This is extremely important. Failure to follow thisproceduremay cause severe and costlydamage to therefrigeration system.

Your local Taylor Distributor can perform this winterstorage service for you.

Wrap detachable parts of the freezer such as beater,blades, drive shaft, and freezer door, and place theminaprotecteddry place. Rubber trimparts andgasketscan be protected by wrapping them withmoisture-proof paper. All parts should be thoroughlycleaned of dried mix or lubrication which attract miceand other vermin.

27Models 750, 751, 754, 774, 794 Troubleshooting Guide

Section 8 Troubleshooting Guide

PROBLEM PROBABLE CAUSE REMEDY PAGEREF.

1. No product is beingdispensed with draw valveopen and the machine inthe AUTO mode.

a. Freeze-up in mix inlethole.

a. Call service technician toadjust the mix hoppertemperature.

------

b. Beater motor out on reset. b. Reset the freezer. 14

c. The beater is rotatingcounterclockwise from theoperator end.

c. Contact service technicianto correct rotation toclockwise from operatorend.

------

d. The circuit breaker is offor the fuse is blown.

d. Turn the breaker on, orreplace the fuse.

------

e. There is inadequate mix inthe mix hopper.

e. Fill the mix hopper withmix.

22

f. The air orifice is notinstalled.

f. Install air orifice in airtube.

22

2. The product is too stiff. a. The viscosity needsadjustment.

a. Contact servicetechnician.

------

b. The air orifice is notinstalled.

b. Install air orifice in airtube.

22

3. The product is too soft. a. Viscosity needsadjustment.

a. Contact servicetechnician.

------

b. Not enough air spacearound unit. (Air cooledunits)

b. Allow for adequate air flowacross the condenser.

1

c. Worn scraper blades. c. Replace regularly. 30

d. Dirty condenser (A/C) d. Clean monthly. 25

e. Mix is out of date. e. Use only fresh mix. ------

f. Loss of water. (W/C) f. Locate cause of waterloss and correct.

26

4. The mix in the mix hopperis too cold.

a. The temperature is out ofadjustment.


------

28 Models 750, 751, 754, 774, 794Troubleshooting Guide


5. The mix in the mix hopperis too warm.

a. The temperature is out ofadjustment.


------

b. Missing or defective mixhopper gasket.

b. Replace/install the gasketaround the mix hopper.

22

c. The mix hopper cover isnot in position.

c. Place the cover inposition.

23

d. The MIX REF light is notlit.

d. Press the MIX REF key. 13

6. The drive shaft is stuck inthe drive coupling.

a. Rounded corners of driveshaft, coupling, or both.

a. Call service technician tocorrect cause, and toreplace the necessarycomponents. Do notlubricate the hex end ofthe drive shaft.

------

b. Mix and lubricant collectedin the drive coupling.

b. Brush clean the rear shellbearing area regularly.

24

7. The freezing cylinder wallsare scored.

a. The beater assembly isbent.

a. Call service technician torepair or replace thebeater and to correct thecause of insufficient mixin the freezing cylinder.

------

b. The front bearing ismissing or worn on thefreezer door.

b. Install or replace the frontbearing.

16

8. Excessive mix leakageinto the rear drip pan.

a. Missing or worn driveshaft seal on drive shaft.

a. Install or replace regularly. 15 / 30

b. The rear shell bearing isworn.

b. Call service technician toreplace rear shell bearing.

------

9. Excessive mix leakagefrom door spout.

a. Missing or worn drawvalve o-rings.

a. Install or replace regularly. 18 / 30

b. Inadequate lubrication ofdraw valve o-rings.

b. Lubricate properly. 18

c. Wrong type of lubricant isbeing used (example:petroleum base lubricant).

c. Use the proper lubricant(example: Taylor Lube).

15

10. No freezer operation afterpressing the AUTO key.

a. Unit is unplugged. a. Plug into wall receptacle. ------

b. The circuit breaker is offor the fuse is blown.

b. Turn the breaker on, orreplace the fuse.

------

c. The beater motor is out onreset.

c. Reset the freezer. 14

29Models 750, 751, 754, 774, 794 Troubleshooting Guide


11. Product is not feeding intothe freezing cylinder.

a. Inadequate level of mix inthe mix hopper.

a. Fill the mix hopper withmix.

22

b. The mix inlet hole isfrozen up.

b. The mix hoppertemperature needsadjustment. Call servicetechnician.

------

c. The air tube is installedincorrectly.

c. Install the air tube in themix inlet hole, using theend with the small hole inthe side.

22

d. The air orifice is notinstalled.

d. Install the air orifice in theair tube.

22

30 Models 750, 751, 754, 774, 794Parts Replacement Schedule

Section 9 Parts Replacement Schedule

PARTDESCRIPTION EVERY3 MONTHS

EVERY6 MONTHS

ANNUALLY

Drive Shaft Seal X

Scraper Blade X

Freezer Door Gasket X

Front Bearing X

Draw Valve O-Ring X

Pivot Pin O-Ring X

Prime Plug O-Ring X

Air Tube O-Ring X

Air Orifice O-Ring X

White Bristle Brush, 3” x 7” Inspect & Replaceif Necessary

Minimum

White Bristle Brush, 1” x 2” Inspect & Replaceif Necessary

Minimum

Black Bristle Brush, 1” x 2” Inspect & Replaceif Necessary

Minimum

Double-Ended Brush Inspect & Replaceif Necessary

Minimum

Refer to Parts List on page 31 when ordering the above parts.

Section 10 Parts List

31

+ Available Separately

Models 750, 751, 754, 774, 794 Parts List

HP62

Refrigerant:750--J6110454,751

--J6080596,754

--J6080465,774

--J6092382,and794--J4094101/up

DESCRIPTION

PART

NUMBER

750

QTY.

751

QTY.

754

QTY.

774

QTY.

794

QTY.

WARR.

CLASS

REMARKS

PARTS

UPDATE

AD

AP

TOR

A.-C

AS

TER

X18

915

44

44

103

BEAR

ING

-FR

ON

T05

0216

11

22

200

0B

EA

RIN

G-R

EA

RS

HE

LL03

1324

11

22

200

0+G

UID

E-D

RIP

SE

AL

0289

921

12

22

000

+NU

T-B

RA

SS

BE

AR

ING

0289

911

12

22

000

+WA

SH

ER

-BE

AR

ING

LOC

K01

2864

11

22

200

0B

EA

TER

AS

SE

MB

LYX

3176

11

12

22

103

+BLA

DE

-SC

RA

PE

R03

5174

22

44

400

0B

ELT

-AX

4002

3875

200

0B

ELT

-AX

3502

2848

24

000

BE

LT-A

X34

0257

294

000

BE

LT-A

X31

0415

754

000

BLO

CK

-TER

MIN

AL-2

P03

9422

11

22

210

3S

ING

LEP

HA

SE

BLO

CK

-TER

MIN

AL-3

P03

9423

11

22

210

3TH

RE

EP

HA

SE

SC

RE

W-T

ER

MIN

AL

BLO

CK

0394

202

24

44

000

BLO

WE

RA

SS

EM

BLY

X53

725-

271

103

751-

J903

6440

/UP

-3P

HJ9

0536

27/U

P-1

PH

144

MO

TOR

-BLO

WER

0534

81-2

71

103

BLO

WE

RA

SS

EM

BLY

X53

478-

271

11

110

375

1-P

RIO

RTO

J903

6440

-3P

H,

J905

3627

-1P

H

144

BOO

T-C

APAC

ITO

R03

1314

11

11

000

CAP

ACIT

OR

-RU

N03

3047

11

11

103

CLI

P-S

CR

EE

NB

LOW

ER

0537

304

44

410

3H

OU

SIN

G-B

LOW

ER

0537

271

11

110

3M

OTO

R-B

LOW

ER05

3480

-27

11

11

103

SC

RE

EN

-BLO

WE

R05

3729

11

11

103

WH

EEL-

BLO

WER

0537

261

11

110

3B

OA

RD

-LO

GIC

X36

641S

ER

11

12

22

212

BO

AR

D-P

OW

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X32

326-

SE

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22

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0512

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22

103

BR

US

H-B

LAC

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11

11

100

0B

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SH

-DO

UB

LEE

ND

0130

721

11

11

000

BR

US

H-W

HIT

E(1

”X2”

)01

3073

11

11

100

0


32Parts List Models 750, 751, 754, 774, 794

DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

BR

US

H-W

HIT

E(3

”X7”

)02

3316

11

11

100

0C

AB

LE-R

IBB

ON

0324

451

12

210

3C

AB

LE-R

IBB

ON

0425

992

103

CA

P-D

ES

IGN

0142

181

13

33

000

CAP

ACIT

OR

-RU

N05

1785

110

3FA

NM

OTO

R-0

5174

4-27

136

CAP

ACIT

OR

-RU

N01

9624

110

3FA

NM

OTO

R-0

4140

1-27

136

CAS

TER

-SW

IVEL

0187

944

44

410

3C

OM

PR

ES

SO

R-C

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ND

0519

58-

151

2J8

1085

83/U

P13

6LI

NE

A.-A

CC

ES

SC

OM

PR

ES

SO

RX

4251

31

130

CO

PE

LAN

D13

6C

APAC

ITO

R-R

UN

0129

061

103

230-

60-1

CAP

ACIT

OR

-STA

RT

0330

44-1

110

323

0-60

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ELA

Y-S

TAR

TC

OM

PR

ES

SO

R05

1957

-27

110

323

0-60

-1C

OM

PR

ESSO

R-B

RIS

TOL

0487

27-

151

2P

RIO

RTO

J810

8583

112/

136

CAP

ACIT

OR

-RU

N02

3606

110

323

0-60

-1C

APAC

ITO

R-S

TAR

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1790

110

323

0-60

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ELA

Y-S

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8765

110

323

0-60

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PR

ES

SO

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ND

0523

97-3

31

512

751-

J903

6440

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H14

4C

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PR

ES

SO

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OP

ELA

ND

0523

97-

12

151

275

4-J9

0366

11/U

P77

4-J9

0419

32/U

P75

1-J9

0536

27/U

P-1

PH

141

142

144

CAP

ACIT

OR

-RU

N02

9439

12

110

323

0-60

-1C

APAC

ITO

R-S

TAR

T03

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12

110

323

0-60

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Y-S

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110

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12

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PR

IOR

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32,

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IOR

TOJ9

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40,

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142

144

CAP

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210

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R-S

TAR

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210

323

0-60

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ELA

Y-S

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8145

12

210

323

0-60

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OM

PR

ES

SO

R-T

EC

UM

SE

H04

7519

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512

CAP

ACIT

OR

-RU

N04

8132

210

3C

APAC

ITO

R-S

TAR

T03

6048

210

3R

ELA

Y-S

TAR

T03

6047

210

3C

OM

PR

ES

SO

R-A

UX

ILIA

RY

0477

01-2

71

11

11

512

33



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

CAP

ACIT

OR

-STA

RT

0477

031

11

11

103

RE

LAY

-STA

RT

0477

02-2

71

11

11

103

CO

VE

R-T

ER

MIN

AL

0477

391

11

11

103

CO

ND

EN

SE

R-A

UX

ILIA

RY

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551

11

11

103

CO

ND

EN

SE

R-M

AIN

0465

581

103

CO

ND

EN

SE

R-M

AIN

0482

331

22

210

3C

OU

PLI

NG

-DR

IVE

0127

211

12

22

103

CO

VE

RA

.-MIX

HO

PP

ER

X38

458-

SE

R1

12

210

3+G

AS

KE

T-M

IXH

OP

PE

R03

8375

11

000

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SK

ET-

MIX

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ER

0384

741

100

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HO

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291

12

210

3C

OV

ER

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HO

PP

ER

0416

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RY

210

3D

EC

AL-

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CO

RA

TIV

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OFT

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H03

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CA

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FTE

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EW

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ES

IGN

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DE

CA

L-D

OO

R02

1521

11

100

0+G

AS

KE

T-D

OO

R04

8926

22

200

0



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

DR

YE

R-C

AP

ILLA

RY

0476

991

11

11

000

AU

XIL

IAR

YD

RYE

R-F

ILTE

R04

8901

11

22

200

0G

AS

KE

T-FR

EE

ZER

DO

OR

0489

261

12

22

000

GE

AR

-RE

DU

CE

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-SE

R1

12

22

212

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IDE

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NX

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21

103

GU

IDE

A.-D

RIP

PA

NX

2886

31

103

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IDE

A.-D

RIP

PA

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2869

91

110

3G

UID

EA

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SK

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OR

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262

22

000

O-R

ING

0185

728

88

000

AIR

TUB

E

35



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

O-R

ING

0144

025

55

000

DR

AW

VA

LVE

O-R

ING

0162

721

11

000

PIVO

TP

INO

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G01

6137

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600

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100

06

QT.

/5.7

LITE

RPA

IL01

3163

11

11

000

10Q

T./9

.5LI

TER



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

PA

N-D

RIP

0507

661

103

PAN

-DR

IP-1

1-5/

8”LO

NG

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031

103

PA

N-D

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MO

STAT

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IMIT

0499

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103

37



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

PA

NE

LA

.-FR

ON

TX

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BA

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3794

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N2

103

KIT

-VA

LVE

-CA

PTU

RE

DB

ALL

SH

ALL

0W04

8166

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210

3O

-RIN

G-1

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6O

D04

8149

200

0O

-RIN

G-1

”OD

0481

482

000

CO

LLA

R-G

AG

ING

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0203

5514

210

3C

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-SY

RU

PP

UM

P05

1065

210

3IN

SE

RT-

PLU

NG

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0327

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103

KNO

B-P

LUN

GER

(w/O

-RIN

G)

0327

62-

210

303

2762

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N-0

3276

2-TA

N+O

-RIN

G01

6369

200

0LI

D-P

UM

P03

6822

210

3N

UT-

PLU

NG

ER

0365

772

103

NU

T-S

PO

UT

0368

212

103

PLU

NG

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0365

782

103

SE

AL

AS

SE

MB

LY(w

/O-R

ING

)X

3305

72

103

+O-R

ING

0193

302

000

SP

RIN

G-P

LUN

GE

R03

2761

200

0



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

TUB

E-D

ISC

HA

RG

E05

0912

210

3TU

BE-P

LUN

GER

0327

572

103

WA

SH

ER

-NY

LON

0327

602

000

RE

LAY

-CO

MP

RE

SS

OR

0127

25-

11

22

210

3R

ELA

Y-S

PD

T-30

A-2

40V

(A/C

)03

2607

-1

11

110

3FO

RB

LOW

ER

-X47

833-

27*7

50-F

OR

FAN

MO

TOR

0414

01-2

713

6

SAN

ITIZ

ER-K

AY-5

0410

821

11

11

000

SH

AFT

-BE

ATE

RD

RIV

E03

2564

11

22

210

3+S

EA

L-D

RIV

ES

HA

FT03

2560

11

22

200

0SH

ELL

A.-I

NSU

LATE

DX

5074

51

512

SHEL

LA

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SULA

TED

X49

785

151

2SH

ELL

A.-I

NSU

LATE

DX

5032

71

151

2SH

ELL

A.-I

NSU

LATE

DX

5171

11

512

J811

0000

/UP

136

SHEL

LA

.-IN

SULA

TED

X41

786

151

2P

RIO

RTO

J811

0000

136

+STU

D-N

OS

EC

ON

E02

2822

44

44

410

3S

HIE

LD-S

PLA

SH

0227

631

110

3S

HIE

LD-S

PLA

SH

0227

661

110

3S

HIE

LD-S

PLA

SH

0227

651

103

STA

RTE

R-B

EA

TER

LIN

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1950

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12

22

103

OV

ER

LOA

D-T

HE

RM

AL

0471

50-

11

22

210

3SW

ITC

H-P

RES

SUR

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5PS

I(A/

C)-

NE

W05

2663

11

210

3C

OP

ELA

ND

136/

142

SWIT

CH

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ESSU

RE

440

PSI(

A/C

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11

22

210

3BR

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2S

WIT

CH

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GG

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OW

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SW

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RS

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CH

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1974

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3J9

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2+

LABE

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CH

HEA

TER

0521

83-S

YM

100

0J9

0419

32/U

P14

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WIT

CH

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GG

LE(H

EA

TER

SW

ITC

H)

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261

103

PR

IOR

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3214

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CH

A.-D

RA

WX

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2-S

ER

11

103

ARM

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CH

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326

11

103

BRAC

KET

A.-S

WIT

CH

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722

11

103

E-R

ING

0491

781

100

0PI

N-P

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T01

5478

11

103

SP

RIN

G-L

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RE

TUR

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1660

11

103

SPR

ING

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HT

RET

UR

N04

1661

11

103

SW

ITC

H-M

ICR

O02

8889

11

103

39



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

SW

ITC

HA

.-DR

AW

X38

547

11

110

3AR

M-S

WIT

CH

-LEF

T03

8649

11

110

3AR

M-S

WIT

CH

-RIG

HT

0386

501

11

103

BRAC

KET

A.-S

WIT

CH

X38

252

11

110

3E

-RIN

G03

2190

44

400

0PI

N-P

IVO

T03

8484

11

110

3R

OD

-SPR

ING

RET

AIN

ER

0382

541

11

103

SPR

ING

-EXT

ENSI

ON

0389

222

22

103

SP

RIN

G-L

EFT

RE

TUR

N03

8923

11

110

3SP

RIN

G-R

IGH

TR

ETU

RN

0389

241

11

103

SW

ITC

HA

.-DR

AW

X39

269

11

110

3BR

ACKE

T-S

WIT

CH

0392

641

11

103

SW

ITC

H-M

ICR

+A32

1O03

9252

22

210

3TR

AY

-FR

ON

TD

RIP

0136

901

110

3TR

AY

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ON

TD

RIP

0145

331

110

3TR

AY

-FR

ON

TD

RIP

0201

571

103

TRIM

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ON

T02

0889

110

3TR

IM-L

EFT

REA

RC

OR

NE

R02

0678

110

3TR

IM-L

EFT

REA

RC

OR

NE

R02

0882

110

3TR

IM-L

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REA

RC

OR

NE

R01

3761

11

103

TRIM

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TR

EAR

CO

RN

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0418

521

103

TRIM

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CO

RN

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0206

771

103

TRIM

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CO

RN

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TRIM

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AR

CO

RN

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0136

631

110

3TR

IM-R

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TR

EA

RC

OR

NE

R04

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110

3TU

BEA.

-AIR

X29

429-

21

12

22

103

+O-R

ING

0185

724

48

88

000

VA

LVE

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CE

SS

0470

162

12

22

103

VA

LVE

-AC

CE

SS

0444

551

12

103

750

W/B

RIS

TOL

CO

MP

RE

SS

OR

136

VA

LVE

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CE

SS

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22

103

VA

LVE

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SS

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11

11

103

VA

LVE

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SS

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11

110

3VA

LVE

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12

22

103

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OT-

EX

PA

NS

ION

VA

LVE

0509

001

12

22

000

VALV

E-E

.P.R

.02

2665

11

11

110

3



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

VA

LVE

A.-D

RA

WX

1830

31

13

33

103

J706

0000

(RE

PLA

CE

SX

4538

0)11

8+O

-RIN

G01

4402

22

66

600

0V

IDE

O-T

RA

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GFI

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11

11

000

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ION

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FEA

TUR

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ATE

RC

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LED

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R01

2796

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11

110

3+G

UA

RD

-BLO

WE

R02

2505

11

11

103

CO

ND

EN

SE

R04

9309

110

3C

ON

DE

NS

ER

0482

871

22

210

3M

OTO

R-F

AN01

5184

-1

103

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DE

-FA

N(1

0”P

US

H)

0130

431

103

PA

NE

LA

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RS

IDE

(R&

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22

22

103

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ITC

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SS

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11

22

210

3V

ALV

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6686

11

22

103

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30-5

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12

103

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12

22

103

CAP

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TOR

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22

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TER

MO

TOR

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22

210

3C

EN

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NE

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TER

MO

TOR

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22

210

3LE

ES

ON

CO

MP

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SS

OR

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PE

LAN

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1958

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512

J810

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136

CAP

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110

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110

323

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AIN

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2)-B

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TOL

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27-

151

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RIO

RTO

J810

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136

CAP

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OR

-RU

N(2

30-5

0-1)

0270

871

103

CAP

ACIT

OR

-STA

RT

(230

-50-

1)03

1790

110

3R

ELA

Y-S

TAR

T(2

30-5

0-1)

0487

661

103

41



DESCRIPTION

PARTS

UPDATE

REMARKS

WARR.

CLASS

794

QTY.

774

QTY.

754

QTY.

751

QTY.

750

QTY.

PART

NUMBER

CO

MP

RE

SS

OR

-CO

PE

LAN

D05

2397

-1

22

512

751-

J905

3634

/UP

754-

J903

6611

/UP

774-

J904

1932

/UP

144

141

142

CAP

ACIT

OR

-RU

N-4

5UF/

370V

0524

001

22

103

230-

50-1

CAP

ACIT

OR

-STA

RT-

145-

175U

F/25

0V05

2399

12

210

323

0-50

-1R

ELA

Y-S

TAR

TC

OM

PR

ES

SO

R05

2401

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12

210

323

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PR

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R(M

AIN

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2)BR

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L04

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22

512

751-

PR

IOR

TOJ9

0536

3475

4-P

RIO

RTO

J903

6611

774-

PR

IOR

TOJ9

0419

32

144

141

142

CAP

ACIT

OR

-RU

N02

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12

103

230-

50-1

CAP

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OR

-STA

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901

210

323

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TAR

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12

103

230-

50-1

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MP

RE

SS

OR

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EH

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UN

0294

392

103

230-

50-1

CAP

ACIT

OR

-STA

RT

0360

482

103

230-

50-1

RE

LAY

-STA

RT

0360

472

103

230-

50-1

MO

TOR

-FAN

0471

78-3

41

103

BLA

DE

-FA

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2”P

US

H)

0472

791

103

PULL

EY

(BEA

TER

MO

TOR

)01

1545

11

22

210

3

Models 750&751052613-27Rev. 10/02

Models 750&751052613-33Rev. 10/02

Models 750&751052613-40Rev. 10/02

Models 750&751052613-58Rev. 10/02

Models 754&774046585--27Rev. 10/02

Models 754&774046585--33Rev. 10/02

Model 794048199--27Rev. 10/02

Model 794048199--33Rev. 10/02

Model 794048199--62Rev. 10/02

Documents

Soft Serve Freezers - Specialty Restaurantsreweb.com/manual/taylor_manuals/model750_751_754_774_794.pdf · Models 750/751/754/774/794 Soft Serve Freezers ... The Taylor Company soft-serve