freightliner COLUMBIA CL112 Maintenance Manual page 28

General Information
Torque Values for U.S. Customary Thread Fasteners With Lubricated
Thread
Grade 5
Diameter–
Bolt
Pitch
Torque: lbf·ft (N·m)
f230002
1/4–20 7 (9)
1/4–28 8 (11)
5/16–18 15 (20)
5/16–24 16 (22)
3/8–16 26 (35)
3/8–24 30 (41)
7/16–14 42 (57)
7/16–20 47 (64)
1/2–13 64 (87)
1/2–20 72 (98)
9/16–12 92 (125)
9/16–18 103 (140)
5/8–11 128 (173)
5/8–18 145 (197)
3/4–10 226 (306)
3/4–16 253 (343)
7/8–9 365 (495)
7/8–14 402 (545)
1–8
1–12
1–14
*
Freightliner recommends that all plated and unplated fasteners be coated with oil before installation.
†
Use these torque values if either the bolt or nut is lubricated or plated (zinc-phosphate conversion-coated, cadmium-plated, or waxed).
Table 18, Torque Values for U.S. Customary Thread Fasteners With Lubricated or Plated Threads
Columbia Maintenance Manual, February 2010
Regular Hex
Grade 5 or Grade 8 or
B Nut 8.2 Bolt
Torque: lbf·ft (N·m)
f230003 f230004
16 (22)
17 (23)
28 (38)
32 (43)
45 (61)
50 (68)
68 (92)
77 (104)
98 (133)
110 (149)
136 (184)
154 (209)
241 (327)
269 (365)
388 (526)
427 (579)
— 582 (789)
— 637 (863)
— 652 (884)
Torque Specifications Tables: 00–13
Grade 8 or Grade 5
C Nut Bolt
Torque: lbf·ft (N·m)
f230005
f230006
8 (11)
9 (12)
*
or Plated Threads
Flanged
Grade B Grade 8 or
Nut 8.2 Bolt
Torque: lbf·ft (N·m)
f230007
6 (8)
7 (9)
13 (18)
14 (19)
23 (31)
25 (34)
35 (47)
40 (54)
55 (75)
65 (88)
80 (108)
90 (122)
110 (149)
130 (176)
200 (271)
220 (298)
320 (434)
350 (475)
—
—
—
00
†
Grade G
Nut
f230009
f230008
10 (14)
12 (16)
21 (28)
23 (31)
37 (50)
42 (57)
60 (81)
66 (89)
91 (123)
102 (138)
130 (176)
146 (198)
180 (244)
204 (277)
320 (434)
357 (484)
515 (698)
568 (770)
—
—
—
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