Rev. 09/2002
TP 400-3542-00-AT-SMA
A
TTACHMENT
I
LLUSTRATED
P
ARTS L
IST
© Copyright 2002 Simplicity Manufacturing, Inc.All Rights Reserved.
MANUFACTURING, INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
www.simplicitymfg.com
A
TTACHMENT
Mfg. No. Description
1694238 Two Stage Snowthrower, 42”
2
TP 400-3542-00-AT-SMA
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
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
14
15
16
19
13
17
18
32
23
40
39
35
38
37
36
34
33
31
30
27
26
1
15
29
32
35
2928
23
23
20
21
22
41
25
24
3
2
3
4
5
12
8
7
6
8
9
10
11
42
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
3
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”
4
TP 400-3542-00-AT-SMA
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
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
5
6
7
9
10
11
12
13
14
42
43
44
45
46
47
48
50
51
3
37
49
36
28
27
8
10
8
9
52
4
41
2
1
10
24
25
40
32
20
16
33
9
34
18
15
16
17
19
20
xx18
22
23
21
26
30
31
14
32
35
3
37
36
38
39
51
29
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
5
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”
6
TP 400-3542-00-AT-SMA
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
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
5
6
7
9
10
11
12
13
14
42
43
44
45
46
47
48
50
51
3
37
49
36
28
27
8
10
8
9
52
4
41
2
1
10
24
25
40
32
20
16
33
9
34
18
15
16
17
19
20
xx18
22
23
21
26
30
31
14
32
35
3
37
36
38
39
51
29
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
7
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
19
2.1
30
3.4
41
4.6
8-36
20
2.3
31
3.5
43
4.9
10-24
27
3.1
43
4.9
60
6.8
10-32
31
3.5
49
5.5
68
7.7
1/4-20
66
7.6 8 10.9 12 16.3
1/4-28
76
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”
No
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.
0
1/4 3/4
1/2
1
1/4 3/4
1/2
2
1/4 3/4
1/2
3
1/4 3/4
1/2
4
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