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ATTACHMENT
ILLUSTRATED
PARTS LIST
ATTACHMENT
Mfg. No. Description
1694238
Two Stage Snowthrower, 42”
MANUFACTURING, INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
www.simplicitymfg.com
© Copyright 2002 Simplicity Manufacturing, Inc.All Rights Reserved.
Rev. 09/2002
TP 400-3542-00-AT-SMA
Auger Drive Group - 42”
986154
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
4
5
3
7
6
2
8
1
12
41
40
39
32
Seal
Kit
42
14
35
17
16
8
9
13
10
15
38
21
18
15
19
23
37
Marked side of worm
gear must contact against
left thrust washer to assure
proper gear mesh.
34
36
11
20
22
23
35
23
33
Torque to 9 - 11 ft-lbs.
32
28
29
30
29
31
26
Auger assembly
stamped "R".
27
Apply grease until
it appears at ends
of auger assembly
(2 places).
25
24
Auger assembly
stamped "L".
3
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
2
TP 400-3542-00-AT-SMA
Auger Drive Group - 42”
REF NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
PART NO.
QTY.
DESCRIPTION
918312
1919438
1920397
1723994
1931335
1723950
1933260
922138
1960506
1724003
1928721
1723997
1723995
1612093
1612149
1612127
1612142
168111
936098
1723922
1931333
1931277
1923358
1723931
1921962
1723991
1723990
921133
1918447
1668344
1960346
118118
1668971
1612136
118315
1612141
930246
1612117
1612124
1612137
1923282
1686947
1
1
3
1
1
1
4
2
1
1
1
1
1
1
2
1
1
1
1
1
2
2
8
2
2
1
1
2
2
2
6
2
1
1
2
1
1
1
1
1
2
1
KEY, Woodruff, 3/16 x 5/8
NUT, Hex Lock ESNA, 5/16-18
NUT, Hex Lock ESNA, 1/4-20
IMPELLER ASSEMBLY, 42"
CARRIAGE BOLT,5/16-18 x 1, Black
GEARBOX ASSEMBLY, 42"
CAPSCREW, Hex Whiz Lock, 3/8-16 x 3/4
KEY, Hi Pro, 1/4 x 7/8
CAPSCREW, Hex Head, 1/4-20 x 1-7/8, Black
PULLEY
SETSCREW, Square Head, 5/16-18 x 1/2
BUSHING
SHAFT, Worm
SEAL, Oil
BUSHING, Flange
COLLAR, Thrust
GEAR, Rolled Worm
WASHER, Thrust
PIN, Drivelok, 3/16 x 1-1/2
SUPPORT, Gear Box
CARRIAGE BOLT, 5/16-18 x 3/4
NUT, Hex Flange Whiz Lock, 5/16-18
LOCKNUT, Hex, 1/4-20
SHAFT
CAPSCREW, Hex Head, 1/4-20 x 1-3/4
AUGER ASSEMBLY, LH, 42"
AUGER ASSEMBLY, RH, 42"
FITTING, Lube, 1/4
PIN, Cotter, 3/32 x 3/4
PIN, Shear
CAPSCREW, Hex Head, 1/4-20 x 7/8
SEAL
PLUG, Pipe, Tapered, 1/8
CASE, Gear, LH
WASHER, Thrust
GEAR, Worm
KEY, Woodruff, 1/4 x 3/4
SHAFT, Auger
GASKET
CASE, Gear, RH
CAPSCREW, Hex Head, 1/4-20 x 2-1/2
SEAL KIT, for Gear Box, Reference No. 6
Footnotes:
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
TP 400-3542-00-AT-SMA
3
Auger Housing Group - 42”
986170
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
8
7
9
10
9
10
18
xx
16
15
19
20
6
17
22
13
5
8
Plastic washer
(Ref. 3) goes
between chute
and deflector.
21
11
4
26
14
3
23
12
2
29
1
10
31
14
24
25
32
33
27
20
30
9
16
34
18
3
35
Coat top and bottom of
chute ring with grease.
36
28
37
52
38
3
36
39
37
40
32
41
51
42
51
43
44
49
50
47
Scraper blade should
be on inside of housing.
46
48
45
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
4
TP 400-3542-00-AT-SMA
Auger Housing Group - 42”
REF NO.
PART NO.
QTY.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1704446
1960001
1931333
960210
1919326
1919438
1723948
1702219
1921319
1960126
1611945
1611939
1700048
1724568
1
3
11
1
1
1
1
3
6
4
1
1
1
1
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1916622
1916964
1960151
1668344
1721590
1924009
1960221
1960600
1719138
1717477
1666613
1705920
1715787
1921332
1724210
1723117
1716987
1722735
1923358
1717480
1717591
1917356
1917372
1723930
1925003
1715885
172279
173934
172278
1923325
1916950
1916965
1924940
1723916
2
3
2
1
1
3
1
1
1
1
3
1
2
4
1
1
1
1
1
1
1
7
4
1
2
1
2
2
2
6
4
4
4
2
DESCRIPTION
GUARD & SUPPORT ASSEMBLY
SCREW, Hex Washer Head, Plastite, #10-14 x 5/8
CARRIAGE BOLT, 5/16-18 x 3/4
WASHER, Nylon
WASHER, 5/17, Black
NUT, Hex Lock ESNA, 5/16-18
CHUTE & DEFLECTOR ASSEMBLY
SPACER
WASHER, 1/4, Black
NUT, Push, Black
ROD
SPRING, Compression
BOOT, Water
CABLE & KNOB ASSEMBLY
(Includes Ref. Nos. 13, 22, 23, 24, 25, 27 & 28)
NUT, Hex, 1/4-20
LOCKWASHER, 1/4, Black
WASHER, 1/4, Black
PIN, Flat Head Drilled
BRACKET, Mounting
CAPSCREW, Hex Head, 1/4-20 x 7/8, Black
CLIP, Hair Pin
SCREW, Pan Head, #8-32 x 11/16
HANDLE, cable
GEAR, Chute
HOLD DOWN, Chute, Nylon
BRACKET, "L"
CUTTER, Drift
CAPSCREW, Hex Head, 5/16-18 x 3/4, Black
SWITCH, Rocker, Chute Rotator
HARNESS ASSEMBLY, Chute Rotator
HARNESS ASSEMBLY, Power Outlet
HARNESS ASSEMBLY, Spout Rotator
NUT, Hex Center Lock, 1/4-20, Black
PINION
ROD & BAR ASSEMBLY
LOCKWASHER, 5/16, Black
NUT, Hex, 5/16-18, Black
COVER, Pinion
CAPSCREW, Hex Washer Head, 1/4-20 x 1/2
MOTOR, Electric
FLANGE, Bearing
BEARING, Cartridge
FLANGE, Bearing
CAPSCREW, Hex Head, 5/16-18 x 7/8, Black
NUT, Hex, 3/8-16, Black
LOCKWASHER, 3/8
WASHER, 3/8, Black
SKID PLATE ASSEMBLY
Footnotes:
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
TP 400-3542-00-AT-SMA
5
Auger Housing Group - 42”
986170
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
8
7
9
10
9
10
18
xx
16
15
19
20
6
17
22
13
5
8
Plastic washer
(Ref. 3) goes
between chute
and deflector.
21
11
4
26
14
3
23
12
2
29
1
10
31
14
24
25
32
33
27
20
30
9
16
34
18
3
35
Coat top and bottom of
chute ring with grease.
36
28
37
52
38
3
36
39
37
40
32
41
51
42
51
43
44
49
50
47
Scraper blade should
be on inside of housing.
46
48
45
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
© Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved.
6
TP 400-3542-00-AT-SMA
Auger Housing Group - 42”
REF NO.
49
50
51
52
PART NO.
QTY.
1931350
1723986
1935048
1723974
4
1
15
1
DESCRIPTION
CARRIAGE BOLT, 3/8-16 x 1, Black
BLADE, Scraper, 42"
NUT, Hex Flange Lock, 5/16, Black
HOUSING & IMPELLER ASSEMBLY, 42"
Footnotes:
The above parts group applies to the following Mfg. Nos.:
1694238 Two-Stage Snowthrower, 42”
TP 400-3542-00-AT-SMA
7
Hardware Identification & Torque Specifications
Common Hardware Types
Torque Specification Chart
Hex Head Capscrew
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Washer
Hardware
Grade
Lockwasher
Carriage Bolt
No
Marks
SAE Grade 2
Hex Nut
Size Of
Hardware
Standard Hardware Sizing
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-12
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
Nut, 1/2”
1/2
Inside
Diameter
3/4
1
1/4
1/2
3/4
Screw, 1/2 x 2
2
1/4
Body
Diameter
in/lbs
ft/lbs
19
20
27
31
66
76
11
12
20
23
30
35
50
55
65
75
90
100
160
180
140
155
220
240
Nm.
2.1
2.3
3.1
3.5
7.6
8.6
15.0
16.3
27.2
31.3
40.8
47.6
68.0
74.8
88.4
102.0
122.4
136
217.6
244.8
190.4
210.8
299.2
326.4
SAE Grade 5
in/lbs
ft/lbs
30
31
43
49
8
10
17
19
30
35
50
55
75
90
110
120
150
180
260
300
400
440
580
640
SAE Grade 8
Nm.
in/lbs
ft/lbs
Nm.
3.4
3.5
4.9
5.5
10.9
13.6
23.1
25.8
40.8
47.6
68.0
74.8
102.0
122.4
149.6
163.2
204.0
244.8
353.6
408.0
544.0
598.4
788.8
870.4
41
43
60
68
12
14
25
27
45
50
70
80
110
120
150
170
220
240
386
420
600
660
900
1,000
4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
68.0
95.2
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1,244.0
1,360.0
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.
1/2
Body
Length
3/4
3
1/4
1/2
3/4
4
Wrench & Fastener Size Guide
1/4
5/16
3/8
1/4” Bolt or Nut
Wrench—7/16”
5/16” Bolt or Nut
Wrench—1/2”
3/8” Bolt or Nut
Wrench—9/16”
7/16
DIA.
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
1/2
DIA.
1/2” Bolt or Nut
Wrench—3/4”

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