Simplicity Snow Plow/Dozer Blade Operator's Manual page 15

SAE GRADE R
SEE
a-32 19
8-38 20
27
31
88
78
12
20
35
50
55
85
75
90
loo
180
180
140
155
l-a 220
1-12 240
NOTE:
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.
a. For prevailing torque locknuts. use 65% of grade 5
torques.
b. Forflange whizlock nuts (and screws) - use 135%
of grade 5 torques.
3. Unless otherwise noted on assembly drawings all torque
values must meet this specification.
TORQUE SPECIFICATIONS FOR
STANDARD MACHINE HARDWARE
TOLERANCE 4096
0
N m .
2.1 30
2.3
3.1 43
3.5 49
7.8
8.8 10
15. 17
18.3 19
27.2 30
31.3 35
40.8 50
47.8 55
75
74.8 90
110
102. 120
122.4 150
138. 180
217.8 280
244.8
190.4
210.8 440
299.2
328.4 840
Nm.
3.4
3.5 43
4.9 8 0
5.5
12
13.8
14
23.1 25
25.8 2 5
40.8 4 5
47.8
5 0
7 0
74.8
8 0
102.
110
122.4
120
149.8
150
183.2
170
204.
220
244.8
240
353.8
388
420
800
900
870.4
1,000
BOLT HEAD MARKING
S.A.E. GRADE:
Nm.
4.8
4.9
8.8
7.7
18.3
19.
34.
34.
81.2
95.2
149.8
183.2
204.
231.2
299.2
328.4
525.
571.2
1,224.
1,380.