Attachment
g
Illustrated
Parts List
Attachment
. No. Description
Mf
1694920 42" Snowthrower
MANUFACTURING, INC.
500 N. Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
www.simplicitymfg.com
© Copyright Simplicity Manufacturing, Inc. All Rights Reserved. Printed In USA.2007
Part No.:
TP 400-4543-01-AT-SMA
Rev.
1734822
10/2007
Table Of Content
s
PRODUCT COMPONENTS PAGES
Body & Rotor Group .............................................................................................................................................
Drive & Hitch Group .............................................................................................................................................
Drive Group ..........................................................................................................................................................
Miscellaneous Group ...........................................................................................................................................
Spout Group .........................................................................................................................................................
10
12
Torque Specification Chart ..................................................................... Inside Back Cover
4
6
8
Body & Rotor Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
987374
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
4
TP 400-4543-01-AT-SMA
Body & Rotor Group
PART NO. DESCRIPTIONREF NO QTY.
BODY & FRAME ASSEMBLY, 42" 1 1732806ASM 1
CAPSCREW, Hex Head, 5/16 - 18 x 5/8, G5 4 1925205SM 4
DEFLECTOR 5 2106774ASM 1
CAPSCREW, Hex Head, 5/16 - 18 x 3/4, G5 6 1921332SM 8
FLANGE, Bearing 7 2172278ASM 4
BOLT, Carriage, .38 - 16 x 3/4 8 1960711SM 4
SKID ASSEMBLY, with Wear Strip 9 1713424ASM 2
NUT, Hex ESNA Flange, .38 - 16 11 1960687SM 4
BEARING 12 1733105SM 2
ROTOR ASSEMBLY, 42" 13 1721840ASM 1
KEY 14 2151040SM 1
PLATE, Side 15 1676632ASM 1
SPROCKET, Rotor 18 2106653SM 1
TURNBUCKLE, 5/16 - 19 x 9-1/4 19 1733145SM 1
SPRING, Extension 20 1675232SM 1
CLIP, Spring 21 1732992ASM 1
NUT, Hex Centerlock, 5/16 - 18 27 1923362SM 2
BLADE, Scraper, 42" 31 2106746ASM 1
NUT, Hex Centerlock, 1/4 - 20 32 1923358SM 8
CAPSCREW, Hex Head 33 1921959SM 8
WASHER, 5/16 34 1919326SM 2
SCREW, Set, 5/16 - 18 x 1/2 39 1928721SM 1
NUT, Hex Whiz Loc k Fl an ge , 5/16 - 18 50 1931277SM 10
HARNESS, Wiring Spout Rotate, 42" (Not Shown) 51 1733262SM 1
HARNESS, Wiring Motor/Trailer, 42" (Not Shown) 52 1733276SM 1
SWITCH, Electric Lift Rocker 53 1724210SM 1
CLIP, Wire 54 2172434SM 4
TIE, Self Locking 55 2825094SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
5
TP 400-4543-01-AT-SMA
Drive & Hitch Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
987402
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
6
TP 400-4543-01-AT-SMA
Drive & Hitch Group
PART NO. DESCRIPTIONREF NO QTY.
Footnotes
BRACE 1 1733050ASM 3
FRONT CROSS RAIL 2 1732629ASM 1
ARM 3 1731341ASM 2
PULLEY, Idler 4 2171247SM 2
SIDE PLATE 5 1732507ASM 1
SIDE PLATE 6 1732508ASM 1
SPACER 7 1667812SM 4
PULLEY ASSEMBLY 8 1666287SM 1
SPACER 9 1713791SM 3
STOP BELT 10 2162115SM 2
WASHER, Plain 11 1922755SM 7
WIREFORM, Lock 12 1732562SM 1
NUT, Whizlock 13 1928352SM 23
V-BELT 14 1724507SM 1
BOLT, 3/8 - 16 x 2-1/4 15 1922130SM 7
BOLT, 3/8 - 16 x 1-1/4 16 1922605SM 17
SPACER 17 1666294SM 1
SPRING, Tension 18 1716853SM 1
HANDLE BRACKET 19 1733010ASM 1
SPACER 20 1733068SM 1
LOCK, Lift 21 1722112SM 1
ROD, Latch 22 1733018SM 1
PIVOT/SPACER 23 1733031SM 1
BOLT, 5/16 - 18 x 1-1/4 24 1921977SM 2
QUANDRANT LIFT 25 1721581SM 1
WASHER 26 1924356SM 5
NUT, 5/16 27 1917372SM 2
LOCKWASHER, 5/16 28 1917356SM 2
HANDLE WELDMENT 29 1733061ASM 1
ROD, Lift 30 1733088SM 1
CLIP, Safety 31 2176012SM 2
COLLAR 32 1729258SM 1
GUIDE, Rod Assembly 33 1723115SM 1
GRIP, Lift Handle 34 1722291SM 1
BUTTON 35 1723124SM 1
NUT, Push 36 1960674SM 1
SPRING 37 1723321SM 1
SCREW, Set 38 1928721SM 1
BOLT, 3/8 - 16 x 1-1/2 40 1921969SM 1
REFLECTOR, Red 41 1701600SM 2
SHAFT 42 1732420SM 1
PIN 43 1918196SM 1
ROD, Latch 44 1731414SM 1
PIN, Cotter 45 1918452SM 1
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
7
TP 400-4543-01-AT-SMA
Drive Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
987375
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
8
TP 400-4543-01-AT-SMA
Drive Group
PART NO. DESCRIPTIONREF NO QTY.
SCREW, Set Square Head, 16 - 18 x 5/8, G8 1 1930540SM 2
PULLEY, 7 O.D. 3/4 x 7/8 with Hub 2 2171248SM 1
SCREW, Hex Whiz Lock Flange, 3/8 - 16 x 1 3 1934654SM 3
CAPSCREW, Hex Head, 5/16 - 18 x 1-3/4 4 1922127SM 2
CLAMP, Housing, 1-1/4 DIA Shaft 5 1666145ASM 2
WASHER 6 1729259SM 4
HOUSING ASSEMBLY, with Bearings 8 1650955SM 1
FITTING, Grease 9 2821133SM 1
LOCKNUT, Flange 10 1928352SM 7
LOCKWASHER, 5/16 11 1917356SM 2
NUT, Hex, 5/16 - 18 12 1917372SM 2
KEY, Woodruff, 3/16 x 3/4 13 2805123SM 1
SHAFT & SPROCKET ASSEMBLY, Snow 14 2106757SM 1
SPACER 15 1669105ASM 2
CHAIN, Guard 16 1676738ASM 1
CHAIN, Auger Drive, #40, 32" Long, 64 Pitch 17 2171242SM 1
CAPSCREW, .38 - 13 x 3 19 1913709SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
9
TP 400-4543-01-AT-SMA
Miscellaneous Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
987379
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
10
TP 400-4543-01-AT-SMA
Miscellaneous Group
PART NO. DESCRIPTIONREF NO QTY.
DECAL, Safety 1 1716532SM 1
DECAL, I.D. Plate (Not Servicable) 2 ----- 1
DECAL, Danger Blower 3 1722674SM 1
DECAL, Warning 4 1716531SM 1
DECAL, OPEI (Not Servicable) 5 ----- 1
DECAL, Caution 7 1716540SM 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
11
TP 400-4543-01-AT-SMA
Spout Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
987378
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
12
TP 400-4543-01-AT-SMA
Spout Group
PART NO. DESCRIPTIONREF NO QTY.
KNOB, 5/16 Internal Thread 3 1670578SM 1
CHUTE ASSEMBLY Used on earlier models 4 1732862ASM 1
WASHER, Nylon 5 2860210SM 1
BOLT, Carriage, 5/16 - 18 x 3/4 7 1931333SM 1
DECAL, Hinge 8 1733600SM 2
CHUTE ASSEMBLY 9 1733908ASM 1
GEAR COVER 10 1733934ASM 1
SCREW, 10 - 24 11 2860604SM 3
PINION GEAR 12 1728967SM 1
ELECTRIC MOTOR 13 1728965SM 1
NUT, 10 - 24 15 1960745SM 3
EYEBOLT, 3/8 - 16 16 1733143SM 1
NUT, .36 - 16 17 1928352SM 6
WASHER, 3/8 x 1-1/2 x 1/8 18 1924356SM 2
PIN, Clevis, 3/8 19 2156306SM 2
CLIP, Spring 20 2176012SM 2
CLIP FRAME 21 2177565ASM 2
BOLT, 3/8 - 16 x 1-1/2 22 1721210SM 4
SCREW, Taptite, 1/4 - 20 x 3/8 23 1927428SM 1
WASHER, Plain, .41 x 1 x 1/8 24 1922755SM 1
SPACER Used on earlier models 25 1667790SM 2
WASHER, Flat 5/16 Used on earlier models 28 1919326SM 2
WASHER, Lock 5/16 Used on earlier models 29 1917356SM 2
NUT, Hex 5/16-18 Used on earlier models 30 1917372SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
1694920 - 42" Snowthrower
Briggs and Stratton Yard Power Products Group
2007Copyright © by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
13
TP 400-4543-01-AT-SMA
Hex Head Capscrew
Hex Nut
Lockwasher
Washer
Carriage Bolt
Hardware Identification & Torque Specifications
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
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
Common Hardware Types
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hardware
Grade
Size Of
Standard Hardware Sizing
When a washer or nut is identified as 1/2”, this is the
Nominal size
second number is present it represent the
When bolt or capscrew is identified as 1/2 - 16 x 2”, this
means the
second number represents the
example, and the final number is the
bolt or screw (in this example 2 inches long).
, meaning the
Nominal size
inside diameter
, or
body diameter
threads per inch
is 1/2 inch; if a
threads per inch
is 1/2 inch; the
body length
(16 in this
of the
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
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 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
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.
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
torques.
grade 5 torques.
30
31
43
49
NOTES
in/lbs
3.4
3.5
4.9
5.5
41
43
60
68
4.6
4.9
6.8
7.7
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