CHAMPION ST761BS User Manual

Parts Manual

24" Dual Stage Snowthrower

Models

Mfg. No. Description

1695951 Champion 9TP 24" Dual Stage Snowthrower, CE (2010)

Manual Part No. 1751215

Revision -

Rev. Date: 7/28/2010

Table Of Content

s

PRODUCT COMPONENTS PAGES

Handles & Controls Group ...................................................................................................................................

Engine Group .......................................................................................................................................................

Auger Housing Group ..........................................................................................................................................

Auger Drive Group ...............................................................................................................................................

Traction Drive Group ............................................................................................................................................

Wheels & Tires Grouop ........................................................................................................................................

Decals Group .......................................................................................................................................................

Gear Case Assembly ...........................................................................................................................................

Discharge Chute Group .......................................................................................................................................

10 12 14 16 18 20

Torque Specification Chart ..................................................................... Inside Back Cover

4 6 8

Handles & Controls Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989064

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

4

1751215

Handles & Controls Group

PART NO. DESCRIPTIONREF NO QTY.

PANEL, Dash 0010 1738089ZYP 1 LEVER, Clutch, L.H. 0030 1739782AYP 1 BOLT, Shoulder, 1/4 x 1-1/4 0036 1750554YP 2 CAPSCREW, Hex Head, 1/4-20 x 1-3/4, G5 0050 1921962SM 2 NUT, Hex Lock, ESNA Light, 1/4-20 0060 1920397SM 4 SCREW, Hex Washer Head, Taptite, 1/4-20 x 5/8 0070 1927429SM 2 CABLE & SPRING ASSSEMBLY, Auger Drive, R.H. 0090 1732471SM 1 LEVER, Clutch, R.H. 0100 1739783AYP 1 NUT, Hex Lock, Nylon Insert, 10-24 0110 1933896SM 2 GRIP 0120 1726317SM 2 SPACER, Stepped 0130 1736542YP 2 SPACER, 1/4 ID x 3/8 OD x 5/16 0140 1678392SM 2 HANDLE, Upper, R.H. 0150 1734587ASM 1 HANDLE, Upper, L.H. 0160 1734586ASM 1 BOLT, Carriage, 5/16-18 x 2-1/4, G5 0170 1960273SM 2 HANDLE, Lower 0180 1737274AYP 1 NUT, Hex Flange, ESNA, 5/16-18 0190 1739305YP 4 SCREW, Hex-Washer head, Taptite, 5/16-18 x 3/4 0200 1664847SM 2 BRACKET, Cable Adjusting 0210 313441MA 1 BOOT, Spring 0220 308146MA 1 CABLE, Front Drive 0230 1502113MA 1 BOLT, Carriage, 5/16-18 x 1-3/4, G5 0250 1931338SM 2 ROD, Shift 0310 581631E701MA 1 BOLT, Hex, 1/4-20 x 3/4, G5 0320 302628MA 4 NUT, Hex Centerlock, 1/4-20 0330 73826MA 4 GRIP, Lever 0340 304438MA 1 LEVER, Spring Shift 0360 760564MA 1 BRACKET, Gear Select 0370 1737760ZYP 1 CAPSCREW, Hex Head, 5/16-18 x 1, G5 0390 1921333SM 2 NUT, Hex Flange, Two Way Lock, 5/16-18 0400 1935048SM 2 BOLT, Carriage, 1/4-20 x 1-1/4, G5 0410 1931320SM 2 SCREW, Pan Head Torx, 1/4-20 x 3/4 0430 1960556SM 4 WASHER, Flat 0460 71071MA 2

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

5

1751215

Engine Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989367

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

6

1751215

Engine Group

PART NO. DESCRIPTIONREF NO QTY.

* ENGINE, 9TP Briggs & Stratton (Engine Model: 12D116-0141-E8) 0010 12D116-0141-E8 1 SCREW, Hex Head, Trilobular, 3/8-16 x 1-1/4 0050 75246GS 4 PULLEY ASSEMBLY 0090 1739514YP 1 WASHER, 5/16 0100 1919381SM 1 BOLT, Hex, 5/16-24 x 1 0110 910828MA 1 V-BELT, Traction Drive, 3L 33.13 0120 1733324SM 1 BELT, Auger, V4L 38.10 MF 05-10 0130 585416MA 1 SEAL, Strip 0135 1750314YP 1 STOP, Belt 0140 1737377YP 1 LOCKWASHER, Spring 0150 1917356SM 4 CAPSCREW, Hex Head, 5/16-24 x 3/4, G5 0160 1921515SM 2 BRACKET, Idler 0170 1739846YP 1 BOLT, Carriage, 5/16-18 x 1, G5 0171 1931335SM 1 NUT, Hex Flange, ESNA, 5/16-18 0172 1739305YP 1 BUSHING, Idler Bracket 0180 1501065MA 1 SPRING, Extension, Idler 0190 165X164MA 1 IDLER, Plastic Ball Bearing 0200 1502120MA 2 NUT, Nylock, 3/8-16 0205 7091299SM 1 NUT, Hex Centerlock Jam, 3/8-16 0210 1960251SM 2 BOLT, Carriage, 3/8-16 x 1-1/4, G5 0220 585781MA 1 IDLER, Auger 0230 1739574YP 1 SPACER, Auger Bracket 0240 1739964YP 1 WASHER, 1/2 0250 1960027SM 1 ARM, Control 0260 1733451SM 1 PIN, Hair 0270 0031X6MA 1 PIN, Clevis 0280 1736381YP 1 PANEL, Bottom 0290 1737221AYP 1 SCREW, Hex Washer Head, Taptite, 1/4-20 x 5/8 0300 1927429SM 12 SPRING, Extension, Auger 0310 165X159MA 1 FRAME BOX 0320 1739107ZP 1 BRACKET, Auger and Traction Rod Mount 0325 1739093AYP 1 PLATE, Engine 0330 1739450ZYP 1 CAPSCREW, Hex Washer Head, Taptite, 5/16-18 x 3/4 0350 1664847SM 19 COVER, Belt 0360 1750551YP 1 SCREW, Hex Washer Head, 1/4 x 3/4 0370 26X306MA 2 WATER SHIELD 0390 1733868ASM 1 SEAL, Foam 0390-10 1733898SM 1 BOLT, Hex, 5/16-24 x 1 0410 910828MA 1 PIN, Cotter, 1/4 0420 7023590SM 1

Footnotes

Note* See your local Briggs & Stratton distributor for parts and service.

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

7

1751215

Auger Housing Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989300

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

8

1751215

Auger Housing Group

PART NO. DESCRIPTIONREF NO QTY.

AUGER HOUSING 0010 1751196ZYP 1 CLAMP, Spring 0020 1736620YP 2 SCREW, Truss Head, Torx #10-24 x 3/8 0030 1960569SM 2 NUT, Hex Lock, Nylon, #10C 0040 15X146MA 2 BRUSH, Cleanout 0060 1736094YP 1 BEARING, Auger 0070 9517MA 2 CAPSCREW, 5/16-18 x 3/4 0080 9357MA 6 BOLT, Carriage, 3/8-16 X 3/4, G5 0090 7091547YP 4 NUT, Hex Flange, 3/8-16 0100 7091619SM 4 NUT, Hex Flange, Serrated Lock, 5/16-18 0110 710026MA 7 SKID, Height Adjust 0150 1737986AYP 2 BLADE, Scraper 0160 1738335AYP 1 RETAINER, Ball Bearing 0170 582957YZMA 1 BEARING, Ball 0180 1705897SM 1 CAPSCREW, Hex Head, 5/16-18 x 5/8 0190 001X45MA 3 PLUG 0200 760040MA 2 BOLT, Carriage, 5/16-18 x 5/8, G5 0210 7090799SM 4 NUT, Hex Flange, Top Lock, 5/16-18 0215 711862MA 6

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

9

1751215

Auger Drive Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989301

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

10

1751215

Auger Drive Group

PART NO. DESCRIPTIONREF NO QTY.

AUGER, L.H. (Includes Ref. No. 0220-40) 0220 1750036BCYP 1 AUGER, R.H. (Includes Ref. No. 0220-40) 0230 1750037BCYP 1 FITTING, Zerk 0220-40 10104MA 1 CAPSCREW, Hex Head, 1/4-20 x 1-1-3/4, G2 0240 9524MA 2 SPACER, Sleeve, 1/4 x 1/2 0250 3943MA 2 NUT, Hex Centerlock, 1/4-20 0260 73826MA 2 SPACER, Friction Pulley 0270 1501158MA 1 KEY, Square 3/16 x 3/4 0280 2001022MA 1 PULLEY, V4L 6.12 x .67 0290 1501211MA 1 CAPSCREW, Hex Head, 5/16-18 x 5/8 0580 577400MA 2 GEAR CASE ASSEMBLY, Complete 0600 1738602YP 1 SHEAR BOLT KIT (Includes Ref. Nos. 0240, 0250 & 0260) -- 1501216MA 1

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

11

1751215

Traction Drive Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989175

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

12

1751215

Traction Drive Group

PART NO. DESCRIPTIONREF NO QTY.

CHAIN, Roller, #420 x 19.00 0200 579851MA 1 BEARING AND RETAINER ASSEMBLY 0210 334163MA 4 WASHER, Flat, 1/2 0220 579858MA 5 SCREW, Hex Washer Head Taptite, 5/16-18 x 1/2 0230 1924856SM 8 CHAIN, ROLLER #420 X 18.00 LG 0240 579868MA 1 RETAINER, Ring, 7/16 0250 11X30MA 5 SPRING LINK ASSEMBLY 0260 1502105YZMA 1 SPRING, Extension 0300 1736469YP 3 SPROCKET, Set 0310 1501090MA 1 WASHER, 1/2 0320 1960027SM 2 AXLE, Swing Plate 0330 1501092YZMA 1 AXLE, 3/4 Dia. x 21-5/16 0340 1501562YZMA 1 SCREW, 1/4 - 20 x 1-3/4 0350 01X193MA 1 SPROCKET, Axle 0420 1501089MA 1 BEARING, Axle 0430 1501114MA 2 HEX SHAFT & SPROCKET ASSEMBLY 0440 1501100MA 1 HUB, Friction Wheel & Bearing 0450 337029MA 1 WHEEL, Friction Disc 0460 1501435MA 1 CAPSCREW, Hex Head 1/4-20 x 5/8 G5 0500 1921959SM 3 NUT, Hex KEPS 1/4-20 0510 1928372SM 3 RING, Retaining Extension 0520 1733326SM 1 NUT, Flange Lock, 3/8-24 0530 15X114MA 1 PLATE, Swinging 0540 1501057YZMA 1 SPACER, Friction Pulley 0550 1501158MA 1 FRICTION PULLEY ASSEMBLY 0560 1501115MA 1 ASSEMBLY, Speed Selector 0600 1501085YZMA 1 BEARING, Flange 0610 579944MA 1 NUT, Hex Lock ESNA Light 1/4-20 0620 1920397SM 2 CAPSCREW, Hex Head, 1/4-20 x 1-1/2 G5 0630 1922837SM 1 SPOOL CABLE, Auger Control 0640 579860MA 1 BRACKET, Cable Spool 0650 1750398YP 1 CABLE, Front Drive 0660 1750403YP 1 CAPSCREW, Hex Head, 1/4-20 x 5/8 0680 001X38MA 2 NUT, Hex, 1/4-20, G5 0690 7091576SM 2 LOCKWASHER, Spring, 1/4 0700 1916964SM 2 BRACKET, Support 0710 1502030YZMA 1 CAPSCREW, Hex Washer Head, Taptite, 1/4-20 x 5/8 0720 1927429SM 2

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

13

1751215

Wheels & Tires Grouop

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989408

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

14

1751215

Wheels & Tires Grouop

PART NO. DESCRIPTIONREF NO QTY.

0010 1751285YP 1

0020 1751286YP 1

WHEEL & TIRE ASSEMBLY, LH (Includes Ref. Nos. 0010-10, 0010-20, 0010-30 & 0010-40)

* WHEEL, Rim, LH 0010-10 ----- 1 VALVE STEM & CAP 0010-20 2172353SM 2 TIRE, 2 Ply, 13 x 5-6 0010-30 1751295YP 2 TUBE, Tire 0010-40 2164247SM 2 WHEEL & TIRE ASSEMBLY, RH (Includes Ref. Nos. 0020-10, 0010-20, 0010-30 &

0010-40) * WHEEL, Rim, RH 0020-10 ----- 1 RING, Retaining 0030 1657528SM 2 WASHER, Flat, 3/4 0040 712120MA 2 BOLT, Hex, 1/4-20 x 1-3/4, G5 0060 577015MA 1 NUT, Hex Nylock, 1/4-20 0070 15X145MA 1 PIN, Klik 0080 73842MA 1

Footnotes

* Not a servicable part. Order complete wheel and tire assembly.

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

15

1751215

Decals Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989373

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

16

1751215

Decals Group

PART NO. DESCRIPTIONREF NO QTY.

DECAL, Chute Warning, Export 0040 1727207SM 1 DECAL, Danger Auger Icons, Export 0050 1737867YP 1 DECAL, Auger Control Symbols 0060 1737869YP 1 DECAL, Traction Control Symbols 0070 1737870YP 1 DECAL, Face Headphones 0080 304427MA 1 DECAL, Logo 0100 1751198YP 1 DECAL, Auger Housing 0110 1751200YP 1 DECAL, 1-6 Transmission Speed Control 0230 1737871YP 1

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

17

1751215

Gear Case Assembly

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

alog_Data\MUR\Images\groups\assembly\1738600

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

18

1751215

Gear Case Assembly

PART NO. DESCRIPTIONREF NO QTY.

SHAFT, Impeller 0400 1501191MA 1 COLLAR, Thrust 0410 580295MA 1 PIN, Spring 0420 454565MA 3 WASHER, Thrust 0430 48275MA 4 BEARING, Roll, 3/4 ID x 1-1/4 OD 0440 50684MA 1 BEARING, Flange, 3/4 ID x 1 OD 0450 50304MA 3 SEAL, Oil 0460 9566MA 3 BEARING, Flange, 1/2 ID x 3/4 OD 0470 50221MA 1 IMPELLER 0480 1740929AYP 1 CASE, Gear, L.H. 0490 10576MA 1 CASE, Gear, R.H. 0500 10577MA 1 CAPSCREW, Hex Washer Head, Taptite, 3/8-16 x 1/2 0510 9344MA 1 KEY, Woodruf 0520 431787MA 1 SHAFT, Auger 0530 1501189MA 1 GEAR, Worm 0540 51405MA 1 NUT, Flange Lock, 1/4-20 0550 15X143MA 7 GASKET, Gear Case 0560 51279MA 1 CAPSCREW, 1/4-20 x 3/4, GR5 0570 710025MA 7

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

19

1751215

Discharge Chute Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989062

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

20

1751215

Discharge Chute Group

PART NO. DESCRIPTIONREF NO QTY.

-- 1501534MA 1

-- 1740589MA 1

RING, Outer Chute 0010-10 1501282MA 1 COLLAR, Chute 0010-20 1501932YZMA 1 BOLT, Carriage, 5/16-18 x 1 0010-30 2X100MA 4 NUT, Hex Nylock, 5/16-18 0010-40 71038MA 4 WASHER, Flat, 3/8 0010-50 71071MA 4 RING, Inner Chute 0010-60 1741917YP 1 KNOB, Wing, w/Nut, 5/16-18 0020 1501260MA 1 CHUTE ASSEMBLY 0030 1736380AYP 1 CAPSCREW, Hex Flange Head, 1/4-20 x 3/4, G5 0040 1935450SM 4 NUT, Nylock Flange, 1/4-20 0050 5025391SM 8 BOLT, Carriage, 5/16-18 x 1-1/2 0060 002X97MA 1 GEAR & YOKE ROD ASSEMBLY (Includes Ref. Nos. 0070-10, 0070-20, 0070-30,

0070-40, 0070-50, 0070-60, 0070-70, 0070-80, 0070-90, 0070-100 & 0070-110) ROD, Yoke Crank 0070-10 1501533YZMA 1 SPRING, Compression 0070-20 164X37MA 1 WASHER, Flat, 3/8 0070-30 017X48MA 1 GEAR, 9 Tooth 0070-40 1501067MA 1 PIN, Hair 0070-50 1501293MA 1 BRACKET, Chute Gear 0070-60 1740591AYP 1 PIN, Cotter 0070-70 579493MA 1 YOKE TUBE ASSEMBLY 0070-80 1501075YZMA 1 PIN, Universal Joint 0070-90 578060MA 1 PIN, Clevis 0070-100 578309MA 1 BLOCK, Universal Pivot 0070-110 578063MA 1 WASHER, Flat, 7/16 0080 71072MA 1 NUT, Nylock, 3/8-16 0090 71046MA 1 BOLT, Carriage, 1/4-20 x 3/4 0100 02X101MA 1 NUT, Hex Nylock, 1/4-20 0110 15X145MA 1 ROD ASSEMBLY (Includes Ref. Nos. 0120-10, 120-20, 0120-30, 0120-40, 0120-50,

0120-60, 0120-70, 0120-80, 0120-90, 0120-100 & 0120-110) GRIP, Chute 0120-10 307399MA 1 WASHER, Flat, 7/16 0120-20 309312MA 1 PUSHNUT, 3/8 0120-30 73664MA 1 EYEBOLT, 3/8-16 x 6-1/2 0120-40 1501456MA 1 GROMMET, Eyebolt 0120-50 148MA 1 BOOT, Eyebolt 0120-60 1501457MA 1 NUT, Hex Jam, 3/8-16 0120-70 71045MA 2 CRANK, Chute Turn 0120-80 1501074YZMA 1 PIN, Hair 3/8 x 1-5/8 0120-90 0031X6MA 1 ADAPTOR, Boot to Handle 0120-100 309344MA 2 WASHER, Flat, 7/16 0120-110 71072MA 1

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

21

1751215

Discharge Chute Group

NOTE: Unless noted otherwise, use the standard hardware torque specification chart.

talog_Data\MUR\Images\groups\2980000\2989062

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

22

1751215

Discharge Chute Group

PART NO. DESCRIPTIONREF NO QTY.

DECAL, Hinge 0150 1733601 2 GUARD, Chute 0530 1733475SM 1 BRACKET, Chute Guard 0540 1737683YP 1 GROMMET, Chute Guard 0550 1738174YP 2 PUSHNUT, 3/16 0560 1960140SM 2 CAPSCREW, Hex Washer Head, Taptite, 1/4-20 x 1/2 0570 1925003SM 2 BOLT, Carriage, 1/4-20 x 3/4, G5 0580 7091530SM 4 WASHER, Nylon, 3/8 0590 2860210SM 2

Footnotes

The above parts group applies to the following Mfg. Nos.:

1695951 - Champion 9TP 24" Dual Stage Snowthrower

2010

23

1751215

Hardware Identification & Torque Specifications

No

Marks

0

1/4 3/4

1/2

21

1/4 3/4

1/2

1/4 3/4

1/2

1/4 3/4

1/2

4

Torque Specification Chart

FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%)

Property Class

Size Of Hardware

M3 M4 M5 M6 7.3 10.3 12.1 M7 12.1 16.9 19.9 M8 17.7 M10 35 50 M12 61 86.2 103 140 M14 M16 147 210 250 340 M18 202 287 346 470 M20 290 405 486 660 M22 390 559 656 890 M24 497 M27 733 1032 1239 1680 M30 995 1401 1681 2280 M33 M36 1740 2441 M39 2249 3163

The guides and ruler furnished below are designed to

help you select the appropriate hardware.

010

Nut, M8

Thread Diameter (mm)

Inside Diameter (in)

Nut, 1/2-16

Class 5.6

in/lbs

ft/lbs

5.88

13.44

26.4

44.64

5.2

7.7 15 26 42 64 89

126 169 217 320

435 590 759 988

20

5.6

Nm. Nm. Nm.

.56

1.28

2.50

4.3

7.1

10.5 21

36 58 88

121 171

230 295 435 590

800 1030 1340

30

8.8

Class 8.8

in/lbs

ft/lbs

13.44 1.80

30.72 43.44 52.56

60.96

Class 10.9

in/lbs

ft/lbs

19.2 22.92

1.28

2.90

5.97 7.15

5.75

9.9

16.5 24 48 83

101

136 162 220

132 200 275 390 530

708

375 995

1350

1902 2278 3090

1830

1349

2360 3050

50

60

Body Length

40

Screw, M8- 1.25 x 25

Thread Diameter (mm)

Threads per inch

Body Diameter

Screw, 1/2- 16 x 2

10.9

4.10

8.10 14 23

25

34

67 117 185 285 390 550 745 960

1400 1900 2580 3310 4290

80

70

Diameter

Distance between threads (mm)

Threads per inch

3

12.9

Class 12.9

in/lbs

ft/lbs

29 59

840 1140

2935 3980 3798

Body

Nm.

2.15

4.95

9.7

16.5 27 40 81

5150

100

90

Body Length (mm)

Body Length (in)

Torque Specification Chart

FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)

Hardware Grade

Size Of Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.

8-32 8-36 10-24 10-32 1/4-20 1/4-28 5/16-18 11 15.0 17 23.1 25 34.0 5/16-24 12 16.3 19 25.8 29 34.0 3/8-16 20 27.2 30 40.8 45 61.2 3/8-24 23 31.3 35 47.6 50 68.0 7/16-14 30 40.8 50 68.0 70 95.2 7/16-20 35 47.6 55 74.8 80 108.8 1/2-13 50 68.0 75 102.0 110 149.6 1/2-20 55 74.8 90 122.4 120 163.2 9/16-12 65 88.4 110 149.6 150 204.0 9/16-18 75 102.0 120 163.2 170 231.2 5/8-11 90 122.4 150 204.0 220 299.2 5/8-18 100 136 180 244.8 240 326.4 3/4-10 160 217.6 260 353.6 386 525.0 3/4-16 180 244.8 300 408.0 7/8-9 140 190.4 400 544.0 600 816.0 7/8-14 155 210.8 440 598.4 660 897.6 1-8 220 299.2 580 788.8 900 1,244.0 1-12 240 326.4 640 870.4 1,000 1,360.0

1. These torque values are to be used for all hardware excluding: locknuts, self-tapping screws, thread forming screws, sheet metal screws and socket head setscrews.

2. Recommended seating torque values for locknuts:

a. for prevailing torque locknuts - use 65% of grade 5

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

3. Unless otherwise noted on assembly drawings, all torque values must meet this specification.

Common Hardware Types

Hex Head Capscrew

SAE Grade 2 SAE Grade 5 SAE Grade 8

in/lbs in/lbs

19

2.1

20

2.3

27

3.1

31

3.5

66

7.6 8 10.9 12 16.3

76

8.6 10 13.6 14 19.0

30 31 43 49

in/lbs

3.4

3.5

4.9

5.5

NOTES

torques.

grade 5 torques.

41 43 60 68

420 571.2

Washer

4.6

4.9

6.8

7.7

Standard Hardware Sizing

When a washer or nut is identified as 1/2” (M8), this is

Nominal size

the (8mm metric thread diameter); if a second number is present it represents the

When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50 ), this means the metric thread diameter), the second number,16, represents the

threads per inch, (1.25 thread diameter).

body length of the bolt or screw, 2 inches (50mm).

, meaning the

threads per inch

Nominal size

inside diameter

is 1/2 inch

(distance between threads).

, or body diameter is 1/2 inch (8mm

The final number is the

Carriage Bolt

Wrench & Fastener Size Guide

1/4” Bolt or Nut

Wrench—7/16”

M6 Bolt or Nut

Wrench—10mm

5/16” Bolt or Nut

Wrench—1/2”

M8 Bolt or Nut

Wrench—13mm

3/8” Bolt or Nut

Wrench—9/16”

M10 Bolt or Nut

Wrench—17mm

7/16” Bolt or Nut

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

M12 Bolt or Nut

Wrench—19mm

Lockwasher

Hex Nut

1/2” Bolt or Nut

Wrench—3/4”

M14 Bolt or Nut

Wrench—22 mm

IT IS THE POLICY OF BRIGGS & STRATTON CORP. TO IMPROVE ITS PRODUCTS

WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO. WE RESERVE THE RIGHT TO

MAKE CHANGES OR ADD IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY

OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS.

Briggs & Stratton Yard Power Products Group

3515 N. 124 Street / PO Box 702 Wauwatosa, WI 53222 USA

www.murray.com

2010