Murray Walk Behind 1695539 Snow Blower Parts Manual

Hardware Identification  &  Torque Specifications
Common  Hardware  Types
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance  ± 20%)
Hex Head Capscrew
Washer
No
Lockwasher
Hardware
Grade
Marks
Carriage Bolt
SAE Grade 2
SAE Grade 5
SAE Grade 8
Hex Nut
Size Of
Hardware
in/lbs
ft/lbs
in/lbs
ft/lbs
in/lbs
ft/lbs
Nm.
Nm.
Nm.
Standard  Hardware Sizing
8-32
8-36
19
20
27
31
66
76
11
12
20
23
30
35
50
55
65
75
90
100
160
180
140
155
220
240
2.1
2.3
3.1
3.5
7.6
30
31
43
49
8
10
17
19
30
35
50
55
75
3.4
3.5
4.9
5.5
10.9
13.6
23.1
25.8
40.8
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
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).
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.
47.6
68.0
74.8
50
70
80
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
0
Nut, 1/2”
Inside
Diameter
102.0
122.4
149.6
163.2
204.0
244.8
353.6
408.0
544.0
598.4
788.8
870.4
110
120
150
170
220
240
386
420
600
660
900
1,000
1/4
90
1/2
110
120
150
180
260
300
400
440
580
640
3/4
1
2
3
4
1/4
1/2
Screw, 1/2 x 2
7/8-14
1-8
1-12
3/4
Body
Diameter
1/4
NOTES
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.
Recommended seating torque values for locknuts:
a.   for prevailing torque locknuts - use 65% of grade 5
torques.
for flange whizlock nuts and screws - use 135% of
grade 5 torques.
1.
2.
Body
Length
1/2
3/4
1/4
b.
1/2
3.
Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
3/4
Wrench & Fastener Size Guide
1/2
DIA.
7/16
DIA.
3/8
5/16
1/4
1
/4” Bolt or Nut
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”
Wrench—7/16”
Product Specification
CategoriesMurray Snow Blower Manuals, Snow Blower Manuals
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