TLD GPU-406 - Repair Procedures and Specifications; Bolt Torque Specifications

Creation: 17.10.2013 2-5-1
GPU - 406
GPU - 409
5. Repairs
A. Torque Charts
When working on the equipment it is important to follow general mechanic guidelines. Charts 5
and 6 show the proper torque required on several different types of bolts. These charts should be
used when any repairs are made to the unit or its components.
HEAD
SIZE/TYPE
SAE
GRADE
2
SAE
GRADE
3
SAE
GRADE
5
SAE
GRADE
6
SAE
GRADE
7
SAE
GRADE
8
SOCKET
HEAD
SET
SCREW
S.S.
CAP &
MACH.
NO.6
---
---
---
---
---
---
---
9 LB/IN
9.6 LB/IN
NO.8
---
---
---
---
---
---
---
16 LB/IN
20 LB/IN
NO. 10
---
---
---
---
---
---
---
30 LB/IN
23 LB/IN
1/4 6 9 9 12.5 12.5 13 14 70 LB/IN 75 LB/IN
5/16 11 17 18 24 24 28 30 12 11
3/8
19
30
31
43
43
46
50
18
20
7/16
30
47
50
69
69
75
81
29
31
1/2
45
69
75
106
106
115
121
43
43
9/16 66 103 110 150 150 165 176 63 57
5/8 93 145 150 209 209 225 240 100 92
3/4
150
234
250
350
350
370
395
146
124
7/8
202
372
378
550
550
591
629
---
194
1
300
551
583
825
825
893
964
---
259
1 1/8 474 872 782 1304 1304 1410 1523 --- 390
RECOMMENDED ASSEMBLY TORQUE VALUES LB/FT
CHART 5
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