Parts Manual - Desktop Techy A to Z/Murray Inc ~ Lawnm… · in/lbs ft/lbs 3 Torque Specification Chart FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%) Property Class Class

Parts ManualParts ManualParts ManualParts ManualMfg. No: 624804x79BDual Stage Snow Thrower (2000)

Copyright © Briggs and Stratton. All Rights reserved 05-Dec-2018

Table Of ContentsTable Of ContentsTable Of ContentsTable Of Contents

Model ComponentsModel ComponentsModel ComponentsModel Components PagePagePagePageAuger Housing Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Chute Rod Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Control Panel Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Discharge Chute Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Drive Components Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Electric Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Engine Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Frame Components Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Gear Case Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Handle Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Shift Yoke Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Wheels Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Torque Specification Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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Copyright © Briggs and Stratton. All Rights reserved 3 05-Dec-2018

Auger Housing AssemblyAuger Housing AssemblyAuger Housing AssemblyAuger Housing AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Auger Housing AssemblyAuger Housing AssemblyAuger Housing AssemblyAuger Housing AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

480 583146MA PULLEY, V4L482 71371MA KEY, SQUARE483 71074 WASHER, FLAT484 712121MA NUT, 1/2-20485 334514MA SPACER, SLEEVE490 582960 RETAINER, BALL491 043846 BEARING, BALL493 313676 SCREW, 5/16-18 x 0.75499 710026 NUT, 5/16-18500 761733-860 HOUSING, ASSY509 760040MA PLUG, CHRISTMAS TREE510 760657-853 SCRAPER BLADE511 340720MA BOLT, CARRIAGE514 710026 NUT, HEX520 760611-853 AUGER, LH521 760612-853 AUGER, RH522 9524MA SCREW, 1/4-20X1.75523 3943MA SPACER, SLEEVE524 782585 NUT, 1/4-20525 53757MA BEARING, AUGER SHAFT526 ----- UNKNOWN527 70984 SCREW, 5/16-18 x 0.75540 50643-853 SKID, HEIGHT ADJUST541 340720MA BOLT, 5/16-18X .75542 71071 FLATWASHER543 071060 WASHER544 710026 NUT, 5/16-18Not F

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Chute Rod AssemblyChute Rod AssemblyChute Rod AssemblyChute Rod AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Chute Rod AssemblyChute Rod AssemblyChute Rod AssemblyChute Rod AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

850 585426MA CRANK ASSEMBLY854 51443MA KNOB, SLEEVE855 309312MA WASHER, FLAT856 73664MA NUT, PUSH ON860 581618MA BOLT, EYE861 148MA GROMMET, EYE BOLT863 124829 NUT, HEX JAM864 71072 WASHER, FLAT866 71072 WASHER, FLAT867 71046 NUT, HEX870 585195MA BRKT, WORM871 585196MA WORM, GEAR CHUTE872 578063MA BLOCK, UNIV PIV873 578309MA PIN, CLEVIS874 578060MA PIN, UNIVERSAL JOINT875 579493MA PIN, COTTER

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Control Panel AssemblyControl Panel AssemblyControl Panel AssemblyControl Panel AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Control Panel AssemblyControl Panel AssemblyControl Panel AssemblyControl Panel AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

770 584559 PANEL, DECO771 341026 SCREW772 3943MA SPACER, SLEEVE

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Discharge Chute AssemblyDischarge Chute AssemblyDischarge Chute AssemblyDischarge Chute AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Discharge Chute AssemblyDischarge Chute AssemblyDischarge Chute AssemblyDischarge Chute AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

582 578088MA SCREW583 120393 WASHER, FLAT584 1498 NUT, 5/16-18596 120393 WASHER, FLAT597 13527 KNOB, T598 71037 NUT, HEX599 302843MA BOLT, CARRIAGE600 762222MA CHUTE, ASSEMBLY601 586280 BOLT, 5/16-18X1.00602 120393 FLATWASHER603 71038 NUT, 5/16-18606 585214-853 COLLAR, CHUTE607 302628MA SCREW, 1/4-20X .75608 071067MA FLATWASHER609 780029 NUT, HEX610 337227MA RETAINER, RING INNER611 585193MA RETAINER, RING OUTER

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Drive Components AssemblyDrive Components AssemblyDrive Components AssemblyDrive Components AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Drive Components AssemblyDrive Components AssemblyDrive Components AssemblyDrive Components AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

190 761820MA LEVER, ASSY TRACTION CLUTCH191 53703MA BEARING, FLANGE192 011X16MA RING, RET E193 53818MA SPRING, RETURN195 579937MA LEVER, SPRING196 11871MA SCREW, 1/4-20X .63198 782585 NUT, 1/4-20210 583163-853 DISC, ASSY211 583206MA ZERK, GREASE215 583155MA SHAFT, HEX TRACTION216 85501MA BEARING, TRUNION217 71074 FLATWASHER221 73811MA RING, RETEX222 580969MA FLATWASHER223 043846 BEARING, BALL224 71371MA KEY, SQUARE225 580961MA PULLEY, V3L 6.50X .56226 580965MA WASHER, WAVE227 712123 FLATWASHER228 071059MA WASHER229 302628MA SCREW230 334163MA BEARING & RETAINER231 780055MA SCREW, 5/16-18 x 0.50235 579858MA WASHER240 579897MA HEX, ASSY243 783002MA RING, RETEX244 71074 FLATWASHER245 337029MA BEARING, TRUNION246 313883 WHEEL, ASSY FRICTION247 11871MA SCREW, 1/4-20X .63249 303008MA NUT, 1/4-20 HEXKEPS250 579858MA WASHER255 334163MA BEARING & RETAINER256 780055MA SCREW, 5/16-18 x 0.50270 334163MA BEARING & RETAINER271 780055MA SCREW, 5/16-18 x 0.50275 761691MA JACK, ASSY276 334163MA BEARING & RETAINER277 780055MA SCREW278 579867MA CHAIN ROLLER

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Electric StarterElectric StarterElectric StarterElectric StarterMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Electric StarterElectric StarterElectric StarterElectric StarterREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

6 6218 MOTOR, STARTER7 6216 SCREW8 6217 SCREW9 6219MA CORD, Electric, 10FT. 110V

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Engine AssemblyEngine AssemblyEngine AssemblyEngine AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Engine AssemblyEngine AssemblyEngine AssemblyEngine AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

10 ----- ENGINE -(See Engine Manual)

12 710024 SCREW, 5/16-1813 120638 WASHER41 3949MA GUIDE, ROD BELT42 6711MA PLASTIC WASHER43 120638 WASHER44 910828MA SCREW, 5/16-24 x 1.0045 762291MA SPACER53 579854MA PULLEY, HALF54 579861MA WASHER, FLAT57 579932MA BELT, V 3L 33.13LG58 712120MA FLATWASHER59 586251MA SPACER, SLEEVE60 586253 PULLEY, ENGINE63 585416MA BELT, V 4L38.1LG67 50677MA WASHER, FLAT68 018X31MA WASHER,HVSPTLK .38ID69 39573MA SCREW, 3/8-24 x 1.00-- F-001137J OWNER'S MANUAL

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Frame Components AssemblyFrame Components AssemblyFrame Components AssemblyFrame Components AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Frame Components AssemblyFrame Components AssemblyFrame Components AssemblyFrame Components AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

80 761703-860 FRAME ASSY88 780055MA SCREW, 5/16-18 x 0.5090 583031-853 COVER, BOTTOM91 310169MA SCREW, 1/4-20X .63103 762296MA IDLER ASSEMBLY105 711682MA PIN, HAIR .38DIAX1.64LG106 761761MA PIN, KLIK 3/16" DIA108 761766MA ASSY., SPRING ATTACH WHEEL109 53703MA BEARING, FL.110 585781MA BOLT, 3/8-16X1.25 CARR.111 711617 WASHER, FLAT140 761701MA LEVER, IDLER ARM TRACTION141 329989MA BOLT, .625X.135 HHSH 5/16-18145 53704MA IDLER SPRING TRACTION DRIVE146 761760 SCREW, 3/8-16 x 1.25148 50793MA PULLEY, IDLER149 41529MA NUT, 3/8-16160 760479 COVER, BELT161 310169MA SCREW, 1/4-20X .63162 071067MA WASHER

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Gear Case AssemblyGear Case AssemblyGear Case AssemblyGear Case AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Gear Case AssemblyGear Case AssemblyGear Case AssemblyGear Case AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

300 896MA CASE, GEAR RH301 895MA CASE, GEAR LH303 910828MA SCREW, 5/16-24 x 1.00304 71100MA NUT, HEX305 330434MA SCREW306 53749MA PLUG, PIPE310 780151MA SEAL, OIL311 53743 BEARING, SLEEVE312 53748MA WASHER, FLAT313 760530 SHAFT, AUGER314 897MA GASKET, GEAR BOX315 53730MA GEAR, WORM316 73905MA KEY, WOODRUFF #91320 53737MA RING, QUAD321 583126MA BEARING, FLANGE322 48275MA WASHER, FLAT323 313828 BEARING, ROLL324 48275MA WASHER, FLAT326 50795MA KEY, HI-PRO327 53732MA GEAR, WORM330 53731MA BEARING340 761692-853 IMPELLER

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Handle AssemblyHandle AssemblyHandle AssemblyHandle AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Handle AssemblyHandle AssemblyHandle AssemblyHandle AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

720 337056-853 HANDLE, UPPER LH721 337057-853 HANDLE, UPPER RH724 11234MA SCREW725 120393 WASHER, FLAT726 120638 WASHER, .31X.58X.08727 71037 NUT, 5/16-18 REGHEX728 11261MA STOP, RED PLASTIC729 337399MA GRIP-HANDLE FINGER730 337816-853 LEVER, ASSY CLUTCH DRIVE RH731 337815-853 LEVER, ASSY CLUTCH DRIVE LH733 337381MA ROD, PIVOT CLUTCH734 761105MA NUT, PUSH 1/4" HEAVY DUTY735 337373MA SPACER - HANDLE739 4049MA BUMPER, RECTANGLE740 1579MA CABLE, CLUTCH741 761589MA CABLE, AUGER CLUTCH 25.5"743 579869MA SPRING, TENSION744 1673MA SPRING, AUGER CLUTCH745 780029 NUT, HEX750 339541-853 HANDLE, LOWER751 001X84MA CAPSCREW, Hex Head, 5/16-18 x 1752 120638 WASHER753 71037 NUT, HEX754 309436MA PUSHNUT, 5/16755 337407-853 BRACKET, GEAR SEL.756 180087 SCREW757 300303MA SCREWNot F

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Shift Yoke AssemblyShift Yoke AssemblyShift Yoke AssemblyShift Yoke AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Shift Yoke AssemblyShift Yoke AssemblyShift Yoke AssemblyShift Yoke AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

790 336702-853 ROD, SHIFT791 302628MA SCREW792 782585 NUT796 331624MA KNOB, SLIP800 760564MA LEVER, SPRING801 302628MA SCREW802 782585 NUT811 579944MA BEARING, FLANGE812 581795 ROD, ASSY YOKE813 071111 NUT, HEX

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Wheels AssemblyWheels AssemblyWheels AssemblyWheels AssemblyMfg. No: 624804x79BNote: Unless noted otherwise, use the standard torque specifications

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Wheels AssemblyWheels AssemblyWheels AssemblyWheels AssemblyREF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION

650 580883MA SHAFT, AXLE652 583012MA SPRKT & HUB653 73839MA SCREW, 1/4-20X2.25654 780029 NUT, HEX655 581730MA BRNG, FL656 579867MA CHAIN, ROLLER671 712120MA FLATWASHER673 585591MA BUSHING, WHEEL675 318503MA TIRE & RIM676 577015MA SCREW677 780029 NUT, HEX678 239MA RING, RET679 73842MA PIN, KLIK

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in/lbsft/lbs

3

Torque Specification ChartFOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%)

PropertyClass

Class 8.8 Class 10.9 Class 12.9

Size OfHardware Nm. Nm. Nm. Nm.

M3 1.282.905.75

9.916.5

244883

132200275390530375995

1350183023603050

13.44 1.804.108.10

14233467

117185285390550745960

14001900258033104290

19.2 22.92 2.15M4 30.72 43.44 52.56 4.95M5 60.96 5.97 7.15

16.59.7

M6 7.3 10.3 12.1M7 12.1 16.9 19.9 27M8 17.7 25 29 40M10 35 50 59 81M12 61 86.2 103 140M14 101 136 162 220M16 147 210 250 340M18 202 287 346 470M20 290 405 486 660M22 390 559 656 890M24 497 708 840 1140M27 733 1032 1239 1680M30 995 1401 1681 2280M33 1349 1902 2278 3090M36 1740 2441

37982935 3980

M39 2249 3163

Torque Specification ChartFOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)

HardwareGrade

SAE Grade 2 SAE Grade 5 SAE Grade 8

Size Ofin/lbsft/lbs

in/lbsft/lbs

in/lbsft/lbs

in/lbs in/lbsHardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.

8-32 19 2.1 30 3.4 41 4.68-36 20 2.3 31 3.5 43 4.910-24 27 3.1 43 4.9 60 6.810-32 31 3.5 49 5.5 68 7.71/4-20 66 7.6 8 10.9 12 16.31/4-28 76 8.6 10 13.6 14 19.05/16-18 11 15.0 17 23.1 25 34.05/16-24 12 16.3 19 25.8 29 34.03/8-16 20 27.2 30 40.8 45 61.23/8-24 23 31.3 35 47.6 50 68.07/16-14 30 40.8 50 68.0 70 95.27/16-20 35 47.6 55 74.8 80 108.81/2-13 50 68.0 75 102.0 110 149.61/2-20 55 74.8 90 122.4 120 163.29/16-12 65 88.4 110 149.6 150 204.09/16-18 75 102.0 120 163.2 170 231.25/8-11 90 122.4 150 204.0 220 299.25/8-18 100 136 180 244.8 240 326.43/4-10 160 217.6 260 353.6 386 525.03/4-16 180 244.8 300 408.0 420 571.27/8-9 140 190.4 400 544.0 600 816.07/8-14 155 210.8 440 598.4 660 897.61-8 220 299.2 580 788.8 900 1,244.01-12 240 326.4 640 870.4 1,000 1,360.0

Hex Head Capscrew

Hex Nut

Lockwasher

Washer

Carriage Bolt

NOTES1. These torque values are to be used for all hardware

excluding: locknuts, self-tapping screws, thread formingscrews, sheet metal screws and socket head setscrews.

2. Recommended seating torque values for locknuts:a. for prevailing torque locknuts - use 65% of grade 5

torques.b. for flange whizlock nuts and screws - use 135% of

grade 5 torques.3. Unless otherwise noted on assembly drawings, all torque

values must meet this specification.

Hardware Identification & Torque Specifications

Common Hardware Types

NoMarks

The guides and ruler furnished below are designed tohelp you select the appropriate hardware.

8.8 10.9 12.9

Class 5.6

5.6

5150

13.44 1.285.88

26.4 2.5044.64 4.3

5.2 7.17.7 10.515 21

988 1340759 1030590 800435 590320 435217 295169 230126 171

89 12164 8842 5826 36

.56

ThreadDiameter (mm)

Screw, 1/2- 16 x 2

BodyDiameter

Diameter

InsideDiameter (in)

Nut, 1/2-160

1/4 3/41/2 211/4 3/41/2 1/4 3/41/2 1/4 3/41/2 4

90 10070 8050 6030 400 10 20

ThreadDiameter (mm)

Nut, M8 Screw, M8- 1.25 x 25

Distance between threads (mm)

BodyLength (in)

BodyLength (mm)

3/8” Bolt or NutWrench—9/16”




7/16” Bolt or NutWrench (Bolt)—5/8”Wrench (Nut)—11/16”

in/lbs

Threadsper inch

Threadsper inch

Body Length

Body

When a washer or nut is identified as 1/2” (M8), this is the Nominal size, meaning the inside diameter is 1/2 inch (8mm metric thread diameter); if a second number is presentit represents the threads per inch (distance between threads).

When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50),this means the Nominal size, or body diameter is 1/2 inch (8mmmetric thread diameter), the second number,16, represents the threads per inch, (distance between threads). The final numberis the body length of the bolt or screw, 2 inches (50mm).

Standard Hardware Sizing

M6 Bolt or NutWrench—10mm




M14 Bolt or NutWrench—22 mm

Wrench & Fastener Size Guide

Copyright © Briggs and Stratton. All Rights reserved 05-Dec-2018

Documents

Parts Manual - Desktop Techy A to Z/Murray Inc ~ Lawnm… · in/lbs ft/lbs 3 Torque Specification Chart FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%) Property Class Class