Page 1
Rev. 10/2000
TP 400-2390-00-AT-SMA
Attachment
Illustrated
Parts List
© Copyright 2000 Simplicity Manufacturing, Inc.All Rights Reserved.
MANUFACTURING, INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
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2
TP 400-2390-00-AT-SMA
© Copyright 2000 Simplicity Manufacturing, Inc. All Rights Reserved.
Hitch 42” Blade
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
The above parts group applies to the following Mfg. Nos.:
1693757 Hitch 42” Blade
SNOW CABS
to cross bar
above hood
2
1
3
5
6
7
9
15
10
11
9
8
8
8
8
4
4
3
13
12
14
22
17
21
16
20
19
16
18
985752
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3
TP 400-2390-00-AT-SMA
Hitch 42” Blade
1 1709813 2 BAR
2 1960373 2 CAPSCREW, Taptite, 5/16-18 x 1
3 1928721 2 SCREW, Set, 5/16-18 x 1/2
4 8031007 2 COLLAR
5 171679 1 GUIDE ASSEMBLY
6 171011 1 SPRING
7 1666285 1 ROD
8 1960033 5 PIN, Hair
9 118053 2 PIN
10 1721298 1 PUSH BAR ASSEMBLY
11 1603602 1 PIN
12 172162 1 EYEBOLT
13 1923358 1 NUT, Hex, Centerlock, 1/4-20
14 1721442 1 BRACKET
15 1919381 1 WASHER
16 1919326 2 WASHER
17 1931277 2 NUT, Whizlock, 5/16-18
18 1921221 1 CAPSCREW, Hex Head, 5/16-18 x 1-1/2
19 1721278 1 BRACKET
20 1917372 1 NUT, Hex, 5/16-18
21 1917356 1 LOCKWASHER, 5/16
22 1921333 2 CAPSCREW, Hex Head, 5/16-18 x 1
REF NO. PART NO. QTY. DESCRIPTION
Footnotes:
The above parts group applies to the following Mfg. Nos.:
1693757 Hitch 42” Blade
Page 4
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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