TP-5986 4/03
A-4 Appendix
Appendix C General Torque Specifications
Use the following torque specifications when service
literature instructions give no specific torque values.
The charts list values for new plated, zinc phosphate, or
oiled threads. Increase values by 15% for nonplated
threads. All torque values are +0%/--10%.
American Standard Fasteners Torque Specifications
Assembled into Cast Iron or Steel
Assembled into
Size
Torque
Measurement
Grade 2
Grade 5
Grade 8
Assembled into
Aluminum
Grade 2 or 5
8-32
in. lbs. (Nm)
16
(1.8)
20
(2.3)
—
16
(1.8)
10-24
in. lbs. (Nm)
26
(2.9)
32
(3.6)
—
26
(2.9)
10-32
in. lbs. (Nm)
26
(2.9)
32
(3.6)
—
26
(2.9)
1/4-20
in. lbs. (Nm)
60
(6.8)
96 (10.8)
132 (14.9)
60
(6.8)
1/4-28
in. lbs. (Nm)
72
(8.1)
108 (12.2)
144 (16.3)
72
(8.1)
5/16-18
in. lbs. (Nm)
120 (13.6)
192 (21.7)
264 (29.8)
120 (13.6)
5/16-24
in. lbs. (Nm)
132 (14.9)
204 (23.1)
288 (32.5)
132 (14.9)
3/8-16
ft. lbs. (Nm)
18
(24)
28
(38)
39
(53)
18
(24)
3/8-24
ft. lbs. (Nm)
20
(27)
31
(42)
44
(60)
20
(27)
7/16-14
ft. lbs. (Nm)
29
(39)
44
(60)
63
(85)
—
7/16-20
ft. lbs. (Nm)
32
(43)
50
(68)
70
(95)
—
1/2-13
ft. lbs. (Nm)
44
(60)
68
(92)
96 (130)
—
1/2-20
ft. lbs. (Nm)
49
(66)
76 (103)
108 (146)
—
9/16-12
ft. lbs. (Nm)
60
(81)
98 (133)
138 (187)
—
9/16-18
ft. lbs. (Nm)
67
(91)
109 (148)
154 (209)
—
5/8-11
ft. lbs. (Nm)
83
(113)
135 (183)
191 (259)
—
5/8-18
ft. lbs. (Nm)
94 (128)
153 (208)
216 (293)
—
3/4-10
ft. lbs. (Nm)
147 (199)
240 (325)
338 (458)
—
3/4-16
ft. lbs. (Nm)
164 (222)
268 (363)
378 (513)
—
1-8
ft. lbs. (Nm)
191 (259)
532 (721)
818 (1109)
—
1-12
ft. lbs. (Nm)
209 (283)
582 (789)
895 (1214)
—
Metric Fasteners Torque Specifications, Measured in ft. lbs. (Nm)
Assembled into Cast Iron or Steel
Assembled into
Aluminum
Size (mm)
Grade 5.8
Grade 8.8
Grade 10.9
Aluminum
Grade 5.8 or 8.8
M6 x 1.00
4
(5.6)
7
(9.9)
10
(14)
4
(5.6)
M8 x 1.25
10 (13.6)
18
(25)
26
(35)
10 (13.6)
M8 x 1.00
16
(21)
18
(25)
26
(35)
16
(21)
M10 x 1.50
20
(27)
35
(49)
50
(68)
20
(27)
M10 x 1.25
29
(39)
35
(49)
50
(68)
29
(39)
M12 x 1.75
35
(47)
61
(83)
86
(117)
—
M12 x 1.50
48
(65)
65
(88)
92 (125)
—
M14 x 2.00
55
(74)
97 (132)
136 (185)
—
M14 x 1.50
74 (100)
103 (140)
142 (192)
—
M16 x 2.00
85
(115)
148 (200)
210 (285)
—
M16 x 1.50
104 (141)
155 (210)
218 (295)
—
M18 x 2.50
114 (155)
203 (275)
288 (390)
—
M18 x 1.50
145 (196)
225 (305)
315 (425)
—
Summary of Contents for 4EF
Page 1: ...Marine Generator Sets Models 5E 4EF 7 3E 6EF TP 5986 4 03b Service ...
Page 4: ......
Page 10: ...VI Safety Precautions and Instructions TP 5986 4 03 Notes ...
Page 14: ...TP 5986 4 03 iv Introduction Notes ...
Page 18: ...TP 5986 4 03 4 Section 1 Specifications Notes ...
Page 20: ...TP 5986 4 03 6 Section 2 Scheduled Maintenance Notes ...
Page 22: ...TP 5986 4 03 8 Section 3 Intake and Exhaust System Notes ...
Page 26: ...TP 5986 4 03 12 Section 4 Fuel System Notes ...
Page 46: ...TP 5986 4 03 32 Section 7 Generator Troubleshooting Notes ...
Page 54: ...TP 5986 4 03 40 Section 9 Generator Disassembly Reassembly Notes ...
Page 60: ...TP 5986 4 03 46 Section 10 Wiring Diagrams and Voltage Reconnection Notes ...
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Page 70: ......
Page 71: ......