Attachment
Illustrated
Parts List
Attachment
Mfg. No. Description
1694923 Front Bumper
MANUFACTURING, INC.
500 N. Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
1734854
04/2007
Part No.:
Rev.
TP 400-4570-00-AT-SMA
© Copyright 2007 Simplicity Manufacturing, Inc. All Rights Reserved. Printed In USA.
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Table Of Contents
PRODUCT COMPONENTS
PAGES
Front Bumper Group ............................................................................................................................................
4
Torque Specification Chart ..................................................................... Inside Back Cover
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Front Bumper Group
1694923
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
The above parts group applies to the following Mfg. Nos.:
1694923 - Front Bumper
Briggs and Stratton Yard Power Products Group
Copyright © 2007 by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
4
TP 400-4570-00-AT-SMA
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Front Bumper Group
REF NO PART NO. QTY. DESCRIPTION
1
2
3
1731989ASM
1931277SM
1930591SM
1
4
4
Bumper Assembly
Nut, Hex, Flange Lock, 5/16-18
Capscrew, Flange Lock, 5/16-18 x 3/4
Footnotes
The above parts group applies to the following Mfg. Nos.:
1694923 - Front Bumper
Briggs and Stratton Yard Power Products Group
Copyright © 2007 by Briggs and Stratton Corporation
Milwaukee, WI, USA. All rights reserved
5
TP 400-4570-00-AT-SMA
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Hardware Identification & Torque Specifications
Common Hardware Types
Torque Specification Chart
Hex Head Capscrew
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)
Washer
No
Marks
Hardware
Grade
Lockwasher
Carriage Bolt
SAE Grade 2
SAE Grade 5
in/lbs
SAE Grade 8
in/lbs
Hex Nut
Size Of
in/lbs
Hardware ft/lbs
Nm.
2.1
2.3
3.1
3.5
7.6
ft/lbs
Nm.
ft/lbs
Nm.
Standard Hardware Sizing
8-32
8-36
19
20
30
31
43
49
8
10
17
19
30
35
50
55
75
90
110
3.4
3.5
4.9
41
43
60
68
12
14
25
27
45
4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
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
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
27
31
66
76
11
12
20
23
30
35
50
55
65
75
90
100
160
180
140
155
220
240
5.5
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).
10.9
13.6
23.1
25.8
40.8
47.6
68.0
74.8
102.0
122.4
149.6
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
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
50
70
80
68.0
95.2
0
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1/4
110
120
150
170
220
240
386
420
600
660
Nut, 1/2”
1/2
Inside
Diameter
3/4
120 163.2
150 204.0
1
2
3
4
180
260
300
400
440
580
640
244.8
353.6
408.0
544.0
598.4
788.8
1/4
1/2
3/4
7/8-14
1-8
1-12
Screw, 1/2 x 2
900 1,244.0
Body
Diameter
870.4 1,000 1,360.0
1/4
NOTES
1/2
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.
Body
Length
3/4
1/4
1/2
3/4
Wrench & Fastener Size Guide
1/2
7/16
DIA.
DIA.
3/8
5/16
1/4
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” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
1/2” Bolt or Nut
Wrench—3/4”
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