Lull 6K Service Manual User Manual
Page 79
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General Maintenance
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
3-11
Table 3-5: General Torques for Standard Bolts, Capscrews, and Nuts
Size
SAE Grade 2
SAE Grade
5, 5.1, 5.2
SAE Grade
8, 8.2
8-32
14
in-lbs
22
in-lbs
31
in-lbs
8-36
15
"
23
"
32
"
10-24
21
"
32
"
45
"
10-32
23
"
36
"
51
"
1/4-20
50
"
75
"
108
"
1/4-28
56
"
86
"
120
"
5/16-18
96
"
156
"
216
"
5/16-24
108
"
168
"
240
"
3/8-16
180
"
276
"
35
ft-lbs
3/8-24
204
"
300
"
35
"
7/16-14
288
"
35
ft-lbs
55
"
7/16-20
324
"
40
"
60
"
1/2-13
35
ft-lbs
55
"
80
"
1/2-20
40
"
65
"
90
"
9-16-12
55
"
80
"
110
"
9/16-18
60
"
90
"
130
"
5/8-11
75
"
110
"
170
"
5/8-18
85
"
130
"
180
"
3/4-10
130
"
200
"
280
"
3/4-16
150
"
220
"
320
"
7/8-9
125
"
320
"
460
"
7/8-14
140
"
360
"
500
"
1-8
190
"
480
"
680
"
1-12
210
"
530
"
740
"
UNC Threads in White Rows
UNF Threads in Gray Rows
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