Simplicity 1694238 Setup guide

Rev. 09/2002

TP 400-3542-00-AT-SMA

ATTACHMENT

ILLUSTRATED

PARTS LIST

MANUFACTURING, INC.

500 N Spring Street / PO Box 997

Port Washington, WI 53074-0997 USA

www.simplicitymfg.com

ATTACHMENT

Mfg. No. Description

1694238 Two Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Drive Group - 42”

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

986154

Marked side of worm

gear must contact against

left thrust washer to assure

proper gear mesh.

Auger assembly

stamped "R".

Auger assembly

stamped "L".

Apply grease until

it appears at ends

of auger assembly

(2 places).

Torque to 9 - 11 ft-lbs.

Seal

Kit

37 36 34

2928

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

1694238 Two-Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Drive Group - 42”

1 918312 1 KEY, Woodruff, 3/16 x 5/8

2 1919438 1 NUT, Hex Lock ESNA, 5/16-18

3 1920397 3 NUT, Hex Lock ESNA, 1/4-20

4 1723994 1 IMPELLER ASSEMBLY, 42"

5 1931335 1 CARRIAGE BOLT,5/16-18 x 1, Black

6 1723950 1 GEARBOX ASSEMBLY, 42"

7 1933260 4 CAPSCREW, Hex Whiz Lock, 3/8-16 x 3/4

8 922138 2 KEY, Hi Pro, 1/4 x 7/8

9 1960506 1 CAPSCREW, Hex Head, 1/4-20 x 1-7/8, Black

10 1724003 1 PULLEY

11 1928721 1 SETSCREW, Square Head, 5/16-18 x 1/2

12 1723997 1 BUSHING

13 1723995 1 SHAFT, Worm

14 1612093 1 SEAL, Oil

15 1612149 2 BUSHING, Flange

16 1612127 1 COLLAR, Thrust

17 1612142 1 GEAR, Rolled Worm

18 168111 1 WASHER, Thrust

19 936098 1 PIN, Drivelok, 3/16 x 1-1/2

20 1723922 1 SUPPORT, Gear Box

21 1931333 2 CARRIAGE BOLT, 5/16-18 x 3/4

22 1931277 2 NUT, Hex Flange Whiz Lock, 5/16-18

23 1923358 8 LOCKNUT, Hex, 1/4-20

24 1723931 2 SHAFT

25 1921962 2 CAPSCREW, Hex Head, 1/4-20 x 1-3/4

26 1723991 1 AUGER ASSEMBLY, LH, 42"

27 1723990 1 AUGER ASSEMBLY, RH, 42"

28 921133 2 FITTING, Lube, 1/4

29 1918447 2 PIN, Cotter, 3/32 x 3/4

30 1668344 2 PIN, Shear

31 1960346 6 CAPSCREW, Hex Head, 1/4-20 x 7/8

32 118118 2 SEAL

33 1668971 1 PLUG, Pipe, Tapered, 1/8

34 1612136 1 CASE, Gear, LH

35 118315 2 WASHER, Thrust

36 1612141 1 GEAR, Worm

37 930246 1 KEY, Woodruff, 1/4 x 3/4

38 1612117 1 SHAFT, Auger

39 1612124 1 GASKET

40 1612137 1 CASE, Gear, RH

41 1923282 2 CAPSCREW, Hex Head, 1/4-20 x 2-1/2

42 1686947 1 SEAL KIT, for Gear Box, Reference No. 6

REF NO. PART NO. QTY. DESCRIPTION

Footnotes:

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

1694238 Two-Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Housing Group - 42”

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

986170

Coat top and bottom of

chute ring with grease.

Scraper blade should

be on inside of housing.

Plastic washer

(Ref. 3) goes

between chute

and deflector. 3

7910

42 43 44

810

15 16

xx18

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

1694238 Two-Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Housing Group - 42”

1 1704446 1 GUARD & SUPPORT ASSEMBLY

2 1960001 3 SCREW, Hex Washer Head, Plastite, #10-14 x 5/8

3 1931333 11 CARRIAGE BOLT, 5/16-18 x 3/4

4 960210 1 WASHER, Nylon

5 1919326 1 WASHER, 5/17, Black

6 1919438 1 NUT, Hex Lock ESNA, 5/16-18

7 1723948 1 CHUTE & DEFLECTOR ASSEMBLY

8 1702219 3 SPACER

9 1921319 6 WASHER, 1/4, Black

10 1960126 4 NUT, Push, Black

11 1611945 1 ROD

12 1611939 1 SPRING, Compression

13 1700048 1 BOOT, Water

14 1724568 1 CABLE & KNOB ASSEMBLY

(Includes Ref. Nos. 13, 22, 23, 24, 25, 27 & 28)

15 1916622 2 NUT, Hex, 1/4-20

16 1916964 3 LOCKWASHER, 1/4, Black

17 1960151 2 WASHER, 1/4, Black

18 1668344 1 PIN, Flat Head Drilled

19 1721590 1 BRACKET, Mounting

20 1924009 3 CAPSCREW, Hex Head, 1/4-20 x 7/8, Black

21 1960221 1 CLIP, Hair Pin

22 1960600 1 SCREW, Pan Head, #8-32 x 11/16

23 1719138 1 HANDLE, cable

24 1717477 1 GEAR, Chute

25 1666613 3 HOLD DOWN, Chute, Nylon

26 1705920 1 BRACKET, "L"

27 1715787 2 CUTTER, Drift

28 1921332 4 CAPSCREW, Hex Head, 5/16-18 x 3/4, Black

29 1724210 1 SWITCH, Rocker, Chute Rotator

30 1723117 1 HARNESS ASSEMBLY, Chute Rotator

31 1716987 1 HARNESS ASSEMBLY, Power Outlet

32 1722735 1 HARNESS ASSEMBLY, Spout Rotator

33 1923358 1 NUT, Hex Center Lock, 1/4-20, Black

34 1717480 1 PINION

35 1717591 1 ROD & BAR ASSEMBLY

36 1917356 7 LOCKWASHER, 5/16, Black

37 1917372 4 NUT, Hex, 5/16-18, Black

38 1723930 1 COVER, Pinion

39 1925003 2 CAPSCREW, Hex Washer Head, 1/4-20 x 1/2

40 1715885 1 MOTOR, Electric

41 172279 2 FLANGE, Bearing

42 173934 2 BEARING, Cartridge

43 172278 2 FLANGE, Bearing

44 1923325 6 CAPSCREW, Hex Head, 5/16-18 x 7/8, Black

45 1916950 4 NUT, Hex, 3/8-16, Black

46 1916965 4 LOCKWASHER, 3/8

47 1924940 4 WASHER, 3/8, Black

48 1723916 2 SKID PLATE ASSEMBLY

REF NO. PART NO. QTY. DESCRIPTION

Footnotes:

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

1694238 Two-Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Housing Group - 42”

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

986170

Coat top and bottom of

chute ring with grease.

Scraper blade should

be on inside of housing.

Plastic washer

(Ref. 3) goes

between chute

and deflector. 3

7910

42 43 44

810

15 16

xx18

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

1694238 Two-Stage Snowthrower, 42”

TP 400-3542-00-AT-SMA

Auger Housing Group - 42”

49 1931350 4 CARRIAGE BOLT, 3/8-16 x 1, Black

50 1723986 1 BLADE, Scraper, 42"

51 1935048 15 NUT, Hex Flange Lock, 5/16, Black

52 1723974 1 HOUSING & IMPELLER ASSEMBLY, 42"

REF NO. PART NO. QTY. DESCRIPTION

Footnotes:

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

1694238 Two-Stage Snowthrower, 42”

Torque Specification Chart

FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)

Hardware

Grade

SAE Grade 2 SAE Grade 5 SAE Grade 8

Size Of

in/lbs in/lbs

in/lbs

Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.

8-32

2.1

3.4

4.6

8-36

2.3

3.5

4.9

10-24

3.1

4.9

6.8

10-32

3.5

5.5

7.7

1/4-20

7.6 810.9 12 16.3

1/4-28

8.6 10 13.6 14 19.0

5/16-18 11 15.0 17 23.1 25 34.0

5/16-24 12 16.3 19 25.8 27 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

3/4-16 180 244.8 300 408.0 420 571.2

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

Hex Head Capscrew

Hex Nut

Lockwasher

Washer

Carriage Bolt

NOTES

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

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

Screw, 1/2 x 2

Body

Diameter

Body

Length

Inside

Diameter

Nut, 1/2”

Marks

3/8” Bolt or Nut

Wrench—9/16”

3/8

5/16” Bolt or Nut

Wrench—1/2”

5/16

1/4” Bolt or Nut

Wrench—7/16”

1/4

1/2” Bolt or Nut

Wrench—3/4”

1/2

DIA.

7/16

DIA.

7/16” Bolt or Nut

Wrench (Bolt)—5/8”

Wrench (Nut)—11/16”

Wrench & Fastener Size Guide

Standard Hardware Sizing

When a washer or nut is identified as 1/2”, this is the

Nominal size

, meaning the

inside diameter

is 1/2 inch; if a

second number is present it represent the

threads per inch

When bolt or capscrew is identified as 1/2 - 16 x 2”, this

means the

Nominal size

, or

body diameter

is 1/2 inch; the

second number represents the

threads per inch

(16 in this

example, and the final number is the

body length

of the

bolt or screw (in this example 2 inches long).

The guides and ruler furnished below are designed to

help you select the appropriate hardware and tools.

01/4 3/4

1/2 11/4 3/4

1/2 21/4 3/4

1/2 31/4 3/4

1/2 4

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