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STR-4200 Dok-Lok ® Vehicle Restraint Installation Manual This Manual Covers Restraints Built After Serial Numbers: 08EE400001W and up PRINTED IN U.S.A. RITE-HITE PRINT SHOP PUBLICATION NO. 1351 JULY 2014 part of the SMOOTH TRANSITION DOK SYSTEM TM MADE IN U.S.A.

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Page 1: STR42 Install 1351 07 14

STR-4200 Dok-Lok®

Vehicle Restraint

Installation Manual

This Manual Covers Restraints Built After Serial Numbers:

08EE400001W and up

PRINTED IN U.S.A.

RITE-HITE PRINT SHOP

PUBLICATION NO. 1351

JULY 2014

part of the SMOOTH TRANSITION DOK SYSTEMTM

MADE IN U.S.A.

Page 2: STR42 Install 1351 07 14

2 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

SAFETY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SPECIAL APPLICATION INSTALLATION ITEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BACK COVER

TABLE OF CONTENTS

INTRODUCTION

Read and understand this manual before attempting to install or operate any DOK-LOK vehicle restraint. For best

results, have this product serviced by your authorized Rite-Hite representative. The STR-4200 DOK-LOK vehicle

restraint by Rite-Hite is intended to provide a safer workplace for workers in shipping and receiving dock areas. The

STR-4200 DOK-LOK vehicle restraint is a hydraulic restraint device that, when properly installed and operated, retains

a secure connection between the truck and dock. Signal lights and signs provide instructions to the truck driver and

DOK-LOK vehicle restraint operator that a safe condition exists. The DOK-LOK vehicle restraint is operated by

pressing push buttons on an inside control panel.

NOTICE TO USERYour local Rite-Hite representative provides a Planned Maintenance Program (P.M.P.) which can be fitted to your

specific operation. Call your local representative or the Rite-Hite at 414-355-2600.

The Rite-Hite products in this manual are covered by one or more of the following U.S. patents: 5,546,623;

5,553,987; 5,582,498; 5,664,930; 5,702,223; 5,762,459 (RE: 37,570); 5,882,167; 6,065,172; 6,070,283; 6,085,375;

6,089,544; 6,092,970; 6,106,212; 6,116,839; 6,190,109; 6,276,016; 6,311,352; 6,318,947; 6,322,310; 6,360,394;

6,368,043; 6,431,819; 6,488,464; 6,499,169; 6,505,713; 6,520,472; 6,524,053; 6,634,049; 6,726,432; 6,773,221;

6,832,403; 6,880,301; 7,032,267; 7,062,814; 7,134,159; 7,213,285; 7,216,391; 7,363,670; 7,380,305; 7,503,089;

7,533,431; 7,546,655; 7,584,517; 7,681,271; 7,823,239; 7,841,823; 7,877,831; 7,914,042; 8,006,811; 8,065,770;

8,141,189; 8,191,194; 8,286,757; 8,287,223; 8,303,235; 8,307,956; 8,443,474; 8,464,384; 8,464,846; 8,465,245 and

pending U.S and foreign patent applications. RITE-HITE®

, THINMANTM

, SAFE-T-LIP®

, HYDRACHEK®

, WHEEL-LOKTM

,

DOK-LOK®

, DUAL-DOK®

, SAFE-T-STRUTTM

, DOK-COMMANDER®

, JUMBOTM

, HYDRA-RITETM

, SAFE-T-GATE®

, RITE-

VUTM

LIGHT COMMUNICATION SYSTEM and SMOOTH TRANSITION DOK SYSTEMTM

, are trademarks of Rite-Hite®

.

Page 3: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 3

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SAFETY WARNINGS

LOCKOUT/TAGOUT PROCEDURES

The Occupational Safety and Health Administration requires that, in addition to posting safety warnings and

barricading the work area, the power supply has been locked in the OFF position or disconnected. It is mandatory

that an approved lockout device is utilized. An example of a lockout device is illustrated. The proper lockout

procedure requires that the person responsible for the repairs is the only person who has the ability to remove the

lockout device.

In addition to the lockout device, it is also a requirement to tag the power control in a manner that will clearly note

that repairs are under way and state who is responsible for the lockout condition. Tagout devices have to be

constructed and printed so that exposure to weather conditions or wet and damp locations will not cause the tag to

deteriorate or become unreadable.

Rite-Hite Corporation does not recommend any particular lockout device, but recommends the utilization of an

OSHA approved device (refer to OSHA regulation 1910.147). Rite-Hite Corporation also recommends the review and

implementation of an entire safety program for the Control of Hazardous Energy (Lockout/Tagout). These regulations

are available through OSHA publication 3120.

This is the highest level statement. Failure to

follow the listed instructions will most likely

result in severe injury or death.

IMPORTANT is used to draw attention

to a procedure that needs to be followed to

prevent machine or property damage.

When working with electrical or electronic

controls, make sure that the power source has

been locked out and tagged according to OSHA

regulations and approved local electrical codes.

This is a statement of serious hazard. Failure to

follow the listed instructions could place the

individual at risk of serious injury or death.

The statements used with this level of

warning deal with a safe operating

procedure. If the procedure is ignored, the

possibility of personal injury may exist.

LOCKOUT/TAGOUT

Page 4: STR42 Install 1351 07 14

4 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SAFETY DEVICES

• Post warnings and barricades at dock level

and at drive level to indicate that work is

being done around and under the leveler

platform.

INSTALL SAFE-T-STRUT SUPPORT

Power Moving Components

Serious Injury Could Occur

HANDSOFF

NOSTEP

Never be under the dock leveler platform or lip

without:

• Installing the Safe-T-Strut or other

manufacturer approved supporting device.

• Turning off power to the control box.

• Lockout/Tagout power to the leveler, as

shown under Safety Warnings on page 3.

Page 5: STR42 Install 1351 07 14

A DOK-LOK vehicle restraint may be installed on docks

with or without levelers. Consult Rite-Hite for proper

application.

Follow the six (6) step installation procedure below:

1. Inspect DOK-LOK materials.

2. Anchor or Weld track.

3. Position DOK-LOK assembly into track.

4. Hydraulic installation.

5. Electrical component and sign installation.

6. Test operation.

INSPECT DOK-LOK MATERIALSOpen and inspect all materials. Immediately report any

damage or material shortage. Study component

assemblies and determine their proper locations.

Install DOK-LOK vehicle restraint onto dock face at 27

inches off of the approach, unless otherwise noted in the

“Rite-Hite Installation/Application Guidelines”, at the

specified location by welding to an embedded steel plate

or by using the concrete anchors provided in conjunction

with welding to pit steel and a leveler frame. The track

will need to be trimmed if the mounting height is less than

26 inches. A maximum of 1 inch is allowed between the

bottom of the track and the approach.

For site specific installation information refer to Rite-Hite

Installation/Application Guidelines provided with DOK-

LOK vehicle restraint. If the recommended mounting

height cannot be achieved call your Rite-Hite

Representative or Rite-Hite at (800) 456-0600.

NOTES:

a. Some levelers may be slightly recessed or protruding

within pit. A shim must be inserted between the roller

track plate and the leveler front subframe and then

must be welded in place. See page 13, figure 12.

b. If the dock conditions DO NOT allow lights and signs

to be mounted in full view of the forklift and/or truck

drivers, consult the factory.

c. If the DOK-LOK is installed with a hydraulic leveler,

verify that the leveler’s recycle function has not been

adversely affected.

d. Track MUST be centered. Offset track installations

ARE NOT allowed. If there is existing anchor hole

interference call your Rite-Hite Representative or

Rite-Hite Customer Service at (800) 456-0600.

e. Approach must be concrete or there must be a

concrete pad where the base plate is installed. See

page 12.

STR-4200 DOK-LOK INSTALLATION

When lifting carriage use a proper lifting device

(ex. crane, jack). Lifting by hand may cause back

injury.

Whether there is a leveler or not, 4" bumper

protection is required. DO NOT install a DOK-LOK vehicle restraint on docks without 4"

bumper protection.

Pub. No. 1351 — July 2014 5

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

Never be under the dock leveler platform or lip

without:

• Installing the Safe-T-Strut or other

manufacturer approved supporting device.

• Turning off power to the control box.

• Lockout/Tagout power to the leveler, as

shown under Safety Warnings on page 3.

Page 6: STR42 Install 1351 07 14

6 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

ANCHOR TRACK

1. Put DOK-LOK vehicle restraint track in place

centered in dock position. Refer to Rite-Hite

application guidelines for mounting height.

2. Drill holes of 5/8" diameter and minimum of 4-1/2"

deep. Clean out holes.

3. Insert anchor and drive flush with roller track plate,

making certain that the threaded wedge is put in first.

Do not disassemble anchor prior to installation.

4. Torque all anchors to 60 ft-lbs.

5. Remove track cover plate and weld top of track to

leveler front frame angle and/or pit steel.

WELD TRACK

If the installation being worked on is a “reinstallation”

electrical connections must be disconnected prior to

welding. Make sure to LOCKOUT/TAGOUT the power at

the fused disconnect, then remove sensing switch

connections from control box. Once all welding

procedures have been completed, reconnect all wires.

1. Put DOK-LOK vehicle restraint track in place.

2. Plug weld all holes that are in contact with

embedded mounting plate. All holes must be either

plug welded or anchored.

3. Remove track cover plate and weld top of track to

leveler front frame angle and/or pit steel.

NOTES:

a. Figure 2 – Never install DOK-LOK vehicle

restraint directly onto concrete block or brick

dock face.

b. Figure 2 – When welding DOK-LOK vehicle

restraint, disconnect power and ground leads to

leveler.

c. Figure 2 – Due to actual conditions, total

mounting height may be different. Refer to Rite-

Hite Application Guidelines for actual mounting

height.

d. If shims are required, shims must be the full length

of the roller track mounting plate and base plate.

See page 14.

e. Minimum electrode must be 1/8", 7018 or better.

DO NOT weld in enclosed areas without proper

ventilation.

BEFORE WELDING:

It is recommended that all power, ground and

limit switch wires are disconnected from the

sensor wires at the junction box. When welding

has been completed, reverse the above process.

Concrete anchors are provided with each

STR-4200 DOK-LOK vehicle restraint. You must

install an anchor in each roller track plate hole

except those plug-welded to embedded steel.

FIGURE 1 - ANCHOR INSTALLATION

Attach Lifting Chains

Pit Front

Curb Angle

Concrete

Dock Face

Approach

5/8” Dia. Concrete

Anchors Are Required

Wherever A Plug Weld

Is Not Possible

1/4”

Across Top

Of Track

Page 7: STR42 Install 1351 07 14

POSITION DOK-LOK ASSEMBLY INTOTRACK

1. Attach lifting chains to each side of DOK-LOK

carriage. See figure 2.

2. Lift DOK-LOK and position above the DOK-LOK

track.

3. Lower DOK-LOK into track until base plate is

resting on the approach.

4. Center DOK-LOK in track.

5. If approach is inclined, shim as shown in figure 3.

6. If approach is declined, shim as shown in figure 3.

NOTES:

a. Base plate must be square to track.

b. Shims must be placed under each cylinder and/or

spring tube. Shims should project 1/8” from

outside edge of base plate and welded into place.

c. Cylinder should be loose. No bind cotter pins.

7. Anchor both sides of Base Plate to approach. See

figure 4.

8. Remove guide tabs from Base Plate and discard.

See figure 4.

Pub. No. 1351 — July 2014 7

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

FIGURE 4 - COMPLETING MECHANICAL INSTALLATION

Attach Lifting Chains

Leveler Front

Curb Angle

Embedded Mounting

Plate or Dok-Lok

Bracket

Approach

5/8” Dia. Concrete

Anchors Are Required

Wherever A Plug

Weld Is Not Possible

Typ. (8) Places

Typ.

Both Sides1/4”

1/4”

Across Top

Of Track

Anchor Base Plate To Approach With 5/8” Dia.

Concrete Anchors. Typical Both Sides.

FIGURE 2 - WELDING INSTALLATION

Remove After

Install

1/4”Shim to Base Plate

Approach

3-5/16”

90°

1/4”Shim to Base Plate

Approach

3-5/16”

90°

Inclined Approach

Declined Approach

FIGURE 3 - SHIM BASE PLATE

See Note

See Note

4

Page 8: STR42 Install 1351 07 14

8 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

HYDRAULIC INSTALLATION

1. Drill two holes through the dock wall for hydraulic

hoses to pass through. Make sure holes are free of

debris or sharp edges prior to passing hoses

through wall. Conduit may be required in some

applications to protect hoses.

2. Route hoses from DOK-LOK, through dock wall and

connect to power unit. Make sure hoses are capped

to keep out debris. See figures 5, 6 & 7.

NOTE: For optional power unit mouting location.

See page 17.

3. Secure hoses to dock face to prevent possible

damage. Any extra hosing should be coiled and

secured to the inside dock wall below the power

unit.

4. Fill power unit reservoir using the supplied hydraulic

fluid.

NOTE: Remaining hydraulic fluid will be used during

the initial startup procedures.

INSTALLATION CONT.

Hydraulic Power Unit

Pass Hoses Through Wall

Using Conduit As Required

Wire Power Unit

Into Control Box

Outside Electrical

Junction Box

Three Sensor Wires

Hydraulic Hoses Secured

To Dock Face

Pit Center Line

Dock Floor

Approach

Control Box

FIGURE 5 - HYDRAULIC INSTALLATION

Page 9: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 9

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

L Port

Hose

P Port

Hose

L Port

Hose

P Port

Hose

L Port

Hose

2x Bulkhead

Fittings

P Port

Hose

FIGURE 7 - HOSE ROUTING - COMBINATION POWER UNIT

L Port

Hose

P Port

Hose

L Port

Hose

P Port

Hose

L Port

Hose

2x Bulkhead

Fittings

FIGURE 6 - HOSE ROUTING - STAND ALONE POWER UNIT

NOTE: DO NOT Overtighten Hose Fittings!

NOTE: DO NOT Overtighten Hose Fittings!

NOTE: Remote Power Hoses Are Trimable,

See Page 18 For Trimming Instructions

NOTE: Stand Alone Power Hoses Are Not Trimable

Page 10: STR42 Install 1351 07 14

10 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

ELECTRICAL INSTALLATION

1. Complete electrical installation per schematics.

NOTE: Schematic’s are located inside control box.

FIGURE 8 - SIGN AND ELECTRICAL COMPONENT MOUNTING

Edge of Door or

Outside Surface of

Shelter (If Equipped)

Inside Sign

Control Box

15” Ref.

48” Approx.

18” Ref.

Pit Center Line

Dock Floor

Approach

58” ± 1”

15”

48” Ref.

Outside Sign

(Normal Image)80”

96”

Outside Sign

(Mirror Image)32” Approx.

Hydraulic Power Unit

Outside Light Box

1”

When working with electrical or electronic

controls, make sure that the power source has

been locked out and tagged according to OSHA

regulations and approved local electrical codes.

Install per local electrical codes. Refer all

installation and service to qualified personnel.

When in doubt, call your local Rite-Hite

representative or Rite-Hite at 888-456-3625.

Grounding Electrode System must conform to

the latest addition of the National Electrical Code

(NFPA 70), where applicable, and/or local

electrical codes. Grounding Electrode

Conductors must be connected where indicated,

and where required.

Page 11: STR42 Install 1351 07 14

CONTROL BOX AND CONDUIT

INSTALLATION PROCEDURES.

1. Install the control box on a wall adjacent to the

overhead door at approximately 48" above the floor

level. See Figure 8.

2. Drill a hole for the power supply conduit (by others) in

the bottom of the control box. All holes drilled

through the control box must be through the

bottom of the box.

CONTROL BOX INSTALLATION GUIDELINES - TEMPERATURECONTROLLED APPLICATIONS.

a. Conduit should be routed to enter through the

bottom or side of the enclosure. A drip leg may be

needed if the conduit could fill with water.

b. Seal the conduit in any location where the conduit

transitions temperature zones that may produce

condensation.

c. Spacers should be installed between the enclosure

and the wall to provide tempature insulation and air

flow.

INITIAL START UP INSTALLATIONPROCEDURES

1. Apply power to the control box and enter fill mode.

a. Press and hold Diagnostic/Fill Mode Button on the

inside of the control box until horn chirps. See figure

9.

2. After horn chirps, press the following buttons in

order to enter fill mode. See figure 10.

a. LOCK

b. HORN OVERRIDE #2

c. LOCK

Pub. No. 1351 — July 2014 11

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

Diagnostic / Fill Mode

Button

FIGURE 9 - DIAGNOSTIC / FILL MODE BUTTON

NOTE:

You must wait one

minute to exit Service

Mode.

• When drilling holes in the box, DO NOT allow

the drill to go too deeply into the box.

Damage to the control systems may occur.

• DO NOT turn control box upside down to drill

any access holes. Cover internal electrical

components prior to drilling - this will prevent

debris from contacting the internal electrical

components.

• Remove all debris from box using a shop

vacuum. NEVER use air to blow debris from

the control box.

• The control box and all wiring should be

installed by a qualified electrician in

accordance with all national and local

electrical codes.

• If rigid conduit is installed, bonding must be

maintained between conduit connections by

using ground bushings and a jumper wire.

GREEN

RED

LOCK

UNLOCKOVERRIDEHORN

3

2

1

Control Box

Press Buttons In The Following

Order To Enter Fill Mode

1. LOCK Button

2. HORN OVERRIDE #2 Button

3. LOCK Button

DO NOTENTER

TRAILER

ENTERTRAILER

FIGURE 10 - ENTER FILL MODE

Page 12: STR42 Install 1351 07 14

3. Controls are now in Fill Mode. Holding the LOCK or

UNLOCK Button will run the pump up or down.

4. Cycle the DOK-LOK up and down to remove air

from the system. Add remaining hydraulic fluid. Stop

cycling once the support cylinders travel up and

down the full length of slots without hesitation.

5. Press Diagnostic/Fill Mode Button to exit Fill Mode.

NOTE: Must wait one minute to exit Fill Mode.

6. To complete installation test operation. See Owners

Manual.

12 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION CONT.

Page 13: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 13

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SPECIAL APPLICATION INSTALLATION ITEMS

72” Min.

30”

30”

10”

NOTES:a. Concrete pad required on all approaches of materials other than concrete.

b. Pad must be a minimum 10 inches thick. May need to be deeper due to sub-soil

climatic conditions or location codes.

CL

36” Min.

Typ.

FIGURE 11 - CONCRETE PAD ON APPROACH

FIGURE 12 - TRIM ROLLER TRACK

Do Not Trim Front

Legs Of Track Angles

Trim Line For

Adjustment Access

Hole.

Track May Require A Cutout

For Adjustment Access Hole

On Some Kelley Levelers.

NOTE:

Page 14: STR42 Install 1351 07 14

14 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SPECIAL APPLICATION INSTALLATION ITEMS

Shim Length And Thickness

To Be Determined Upon

Installation

FIGURE 13 - STR42 BASE PLATE OVER A BRICK BRACKET

3/8” Shim

Overhang

Typ.

3/8” Shim

Overhang

Typ.

Drill Through

Shim To Allow

Anchor Bolt

Mounting

Typ. 3” Minimum

Wide Typ.

Brick Bracket

Brick Bracket Base Plate

Shim Underside

Of STR42 Base Plate

In Both Places

On Each Side.

Weld Shim

To Base Plate

Shim Thickness

As Required

3/8”

Page 15: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 15

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SPECIAL APPLICATION INSTALLATION ITEMS

Pit Steel

Front Frame Angle

Shim As Required

Behind Track Angles.

1/2” THK Min. Bar

Stock For Distances

Greater Than 1” Use

Channel

Extend Lip Guide

Remove Excess

Material From

Shaded Area

As Shown.

Lip Guide

Pit Steel

Front Frame Angle

Shim (See Back View Figure 13)

Thickness As Required Full

Length Of Track Plate (3-4 Shims

3” wide x “A” x “B”)

1/2” Maximum, If Greater Longer

Anchors Are Required, If 1” or

Greater DOK-LOK Bracket

Required.

“A” Dim

Length From Top Of Pit Steel To

Bottom Of Track Plate

“B” Dim

Thickness Of Shim

“C” Dim

If Dimension “C” Is Greater Than

3” inches Consult Factory.

Shim

“A”

“B”

“C”

Back View For

Anchor Installation

Back View For

Embedded Plate

Installation

Typ. Between Holes

And Along Sides1/4”1-6

2-1/8”

3/4” Typ.

Weld to

Embedded

Plate Prior To

Plug Welding1/4”

1-6

Typ. After

Welding

Shims To

Imbedded

Plate

3”1/4” Typ.

8 - 3/16”

FIGURE 14 - RECESSED LEVELER

FIGURE 15 - PROTRUDING LEVELER FIGURE 16 - BACK VIEW

7/8” Typ.

1-1/2”

Page 16: STR42 Install 1351 07 14

16 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

SPECIAL APPLICATION INSTALLATION ITEMS CONT.

INSTALLATION WITH PERMANENT WHEELRISERS

1. Fabricate Support Spacer (supplied by others). See

chart below and figure 17.

2. Weld both sides of Base Plate Support Spacer to

Base Plate and anchor to approach. See figure 18.

NOTES:

a. Use structural channel available in a size to match

the height of Wheel Riser ± 1/4”.

b. End plates should be sized to cap ends and the

height will vary with height of the channels.

c. If site conditions warrant a spacer different than

shown, consult the factory.

Permanent

Wheel RiserBase Plate Support Spacer Should

Match Height Of Wheel Riser.

See Fabrication Detail Above.

1

64”

4

3

4

2

1

2

2

1/4”

1”

7 -21/32”10”

2”

4X Ø 11/16”

1/4”G

Typ.

Typ.1/4”

4 - 1/4”

1/4”

Wheel Riser HeightSection C-C

FIGURE 17 - SPACER FABRICATION

FIGURE 18 - SPACER INSTALLATION

Item Qty. Description

1 1 Plate 1/4” x 10” x 64”

2 3 C Channel _ x 64”

3 2 Plate 1/4” x _ x 10”

4 2 Plate 1/4” x 2” x 10” 2 HolesBoth Sides

1/4”

Page 17: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 17

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

INSTALLATION WITH TRENCH DRAIN

1. If trench drain is below the base plate, embed PVC

pipe in concrete for drainage. Concrete should

extend a minimum of 6 inches to either side of of

mounting plate.

NOTE: If concrete can not be used, consult factory.

SPECIAL APPLICATION INSTALLATION ITEMS CONT.

FIGURE 19 - TRENCH DRAIN

Embedded PVC Pipe

Overhead View Side View

Page 18: STR42 Install 1351 07 14

18 Pub. No. 1351 — July 2014

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

OPTIONAL POWER UNIT MOUNTING LOCATION

Optional Power Unit Mounting Location.

Ensure Hoses Are Protected By Channel Or Other

Means. Protection Not To Project More Than 3 Inches

Off Dock Face. Protection Must Extend Down To 8

Inches Off Of The Approach. Must Notch Out A section

For Sensor Wires To Pass Through To Junction Box.

Consult Factory For Specific Applications.

Wire Power Unit

Into Control Box

Outside Electrical

Junction Box

Pit Center Line

Dock Floor

Approach

Control Box

FIGURE 20 - OPTIONAL HYDRAULIC INSTALLATION

Optional Routing: Hydraulic

Hoses Secured To Dock Face

Optional Routing: Three

Sensor Wires

Optional: Channel Or Other

Hose/Wire Protecting Device

Optional: Channel or Other

Device Notched For Three

Sensor Wires

Optional: Power Unit

Mounting Location

48” Approx.

Page 19: STR42 Install 1351 07 14

Pub. No. 1351 — July 2014 19

RITE-HITE® STR-4200 DOK-LOK® Installation Manual

HOSE TRIMMING INSTRUCTIONSNOTE:

Trimmable hoses provided for combination power unit

with RHV Leveler applications ONLY. Disregard these

instructions for ALL other applications.

1. Cut hose to required length using a fine tooth

hacksaw. Clean hose bore after cutting. See figure

21.

2. Liberally lubricate hose cover with heavy weight oil.

Place socket in vise and turn hose into socket

counterclockwise unit it bottoms out. When

assembling long lengths of hose, it may be necessary

to put hose in vise just tight enough to prevent from

turning, and screw socket onto the hose

counterclockwise until it bottoms out. See figure 22.

3. Liberally lubricate nipple threads and inside of hose

using heavy weight oil.

4. Screw nipple clockwise into socket and hose. Leave

1/32 to 1/16 inch clearance between nipple hex and

socket. See figure 23.

5. Blow out hose assembly with clean compressed air

before routing hose.

6. Route hoses between vehicle restraint and power

unit.

FIGURE 21 - CUT HOSE TO LENGTH

Clean hose bore

after cutting

FIGURE 22 - INSTALL SOCKET

FIGURE 23 - INSTALL NIPPLE

Page 20: STR42 Install 1351 07 14

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RITE-HITE

8900 N. Arbon Drive

P.O. Box 245020

Milwaukee, Wisconsin 53224

Phone: 414-355-2600

1-800-456-0600

www.ritehite.com

Representatives in all Major Cities

RITE-HITE STANDARD WARRANTY

Rite-Hite warrants that its products will be free from defects in design, materials, and workmanship for a period

of 365 days from the date of shipment. All claims for breach of this warranty must be made within 30 days after

the defect is or can, with reasonable care, be detected and in no event no more than 30 days after the warranty

has expired. In order to be entitled to the benefits of this warranty, the products must have been properly

installed, maintained, and operated within their rated capacities and/or specified design parameters, and not

otherwise abused. Periodic lubrication and adjustment is the sole responsibility of the owner. This warranty is

Rite-Hite’s exclusive warranty. RITE-HITE EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES,

INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. Non-standard warranties,

if any, must be specified by Rite-Hite in writing.

In the event of any defects covered by this warranty, Rite-Hite will remedy such defects by repairing or replacing

any defective equipment or parts, bearing all the costs for parts, labor, and transportation. This shall be the

exclusive remedy for all claims whether based on contract, negligence, or strict liability.

LIMITATION OF LIABILITY

RITE-HITE SHALL NOT IN ANY EVENT BE LIABLE FOR ANY LOSS OF USE OF ANY EQUIPMENT OR

INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, WHETHER FOR BREACH OF WARRANTY,

NEGLIGENCE, OR STRICT LIABILITY.