Westerbeke BTD 8.0 KW 60Hz Operator's Manual page 94

TABLE OF STANDARD HARDWARE TIGHTENING TORQUES
Unless stated otherwise for a specific assembly, use the following torque values when tightening standard hardware.
Pitch
Ib-ft kg-m
Grade 4
6mm bolt head/nut
1 2.9 - 5.1
0.4 - .07
8mm bolt head/nut 1.25
7.2 - 11.61.0 - 1.6
10 mm bolt head/nut
1.25 13.7 - 22.4
1.9 - 3.1
10 mm bolt head/nut
1.5 13.0 -21.7 1.8 - 3.0
12 mm bolt head/nut 1.25 (ISO)
25.3 - 39.8 3.5 - 5.5
12 mm bolt head/nut
1.5 25.3 - 39.8 3.5 - 5.5
12 mm bolt head/nut 1.75
21.7 - 36.2 3.0 - 5.0
13 mm bolt head/nut
1.5 32.5 - 50.6 4.5 - 7.0
14 mm bolt head/nut
1.5 36.2-57.9 5.0 - 8.0
14 mm bolt head/nut
2 34.0 - 55.7
4.7 -7.7
16 mm bolt head/nut 1.5
54.2 - 79.6 7.5-11.0
16 mm bolt head/nut
2 51.4 -76.7 7.1 -10.6
Grade 6T
6mm bolt head/nut
1 4.3 - 6.5
0.6 - 0.9
8mm bolt head/nut
1.25 10.8 - 15.9 1.5 - 2.2
10 mm bolt head/nut
1.25
21.7 - 32.5 3.0 - 4.5
10 nun bolt head/nut
1.5 19.5 - 30.4 2.7 - 4.2
12 mm bolt head/nut
1.25 (ISO) 36.2 - 57.9
5.0 - 8.0
12 mm bolt head/nut
1.5 36.2 - 50.6 5.0 - 7.0
12 mm bolt head/nut 1.75
34.7 - 49.2
4.8 - 6.8
Grade 7T, 8T and 8.8
6mm bolt head/nut 1
5.8 - 8.7 0.8 - 1.2
8mm bolt head/nut
1.25 14.5 - 21.7
2.0 - 3.0
10 mm bolt head/nut
1.25 28.9 - 39.8 4.0 - 5.5
10 nun bolt head/nut
1.5 26.8 - 37.6
3.7 - 5.2
12 mm bolt head/nut
1.25 (ISO) 54.2 - 75.9 7.5 - 10.5
12 mm bolt head/nut
1.5 50.6 -65.1
7.0 - 9.0
12 mm bolt head/nut 1.75
43.4 -61.5 6.0 - 8.5
13 mm bolt head/nut
1.5 57.9 - 86.8
8.0 - 12.0
14 mm bolt head/nut 1.5
72. 3 -108.5 10.0 - 15.0
14 mm bolt head/nut
2
68.7 -101.3 9.5 - 14.0
16 mm bolt head/nut
1.5 108.5 - 166.4
15.0 - 23.0
16 mm bolt head/nnt 2
101.3-159.1 14.0 - 220
Grade 5 cap screw
1/4 UNC
9 - 11
1.2 - 1.5
114 UNF
11 - 13 1.5 - 1.8
5116 UNC
18 - 20 2.5 - 2.8
5116 UNF
21 - 23
2.9 - 3.2
3/8 UNC
28 - 33 3.7 - 4.6
3/8 UNF
30 - 35 4.1-4.8
7116 UNC
44 - 49 6.1 - 6.8
7116 UNF
50 - 55
6.9 - 7.6
112 UNC
68 - 73 9.4 - 10.1
112 UNF
73 - 80 10.1-11.1
WESTERBEKE GENERATORS 92