jcb 540-170 Service Manual page 35

Bolt Size
in. mm
1/4 6.3
5/16 7.9
3/8 9.5
7/16 11.1
1/2 12.7
9/16 14.3
5/8 15.9
3/4 19.0
7/8 22.2
1 25.4
1 1/8 31.7
1 1/4 38.1
Bolt Size
ISO Metric
Thread mm
M5 5
M6 6
M8 8
M10 10
M12 12
M16 16
M20 20
M24 24
M30 30
M36 36
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Table 2. Torque Settings - UNF Grade 'S' Fasteners
Hexagon (A/F)
in.
7/16
1/2
9/16
5/8
3/4
13/16
15/16
1 1/8
1 15/16
1 1/2
1 7/8
2 1/4
Table 3. Torque Settings - Metric Grade 8.8 Fasteners
Hexagon (A/F)
mm
8
10
13
17
19
24
30
36
46
55
9803/3750-05 (1-05-00)
Section 1-4 - General Information
Zinc Plated Fasteners and Dacromet Fasteners
Condition 1
Nm kgf m lbf ft
11.2 1.1 8.3
22.3 2.3 16.4
40.0 4.1 29.5
64.0 6.5 47.2
98.00 10.0 72.3
140.0 14.3 103.2
196.0 20.0 144.6
343.0 35.0 253.0
547.0 55.8 403.4
814.0 83.0 600.4
1181.0 120.4 871.1
1646.0 167.8 1214.0
Condition 1
Nm kgf m lbf ft
5.8 0.6 4.3
9.9 1.0 7.3
24.0 2.4 17.7
47.0 4.8 34.7
83.0 8.5 61.2
205.0 20.9 151.2
400.0 40.8 295.0
690.0 70.4 508.9
1372.0 139.9 1011.9
2399.0 244.6 1769.4
Torque Settings
Condition 2
Nm kgf m lbf ft
10.0 1.0 7.4
20.0 2.0 14.7
36.0 3.7 26.5
57.0 5.8 42.0
88.0 9.0 64.9
126.0 12.8 92.9
177.0 18.0 130.5
309.0 31.5 227.9
492.0 50.2 362.9
732.0 74.6 539.9
1063.0 108.4 784.0
1481.0 151.0 1092.3
Condition 2
Nm kgf m lbf ft
5.2 0.5 3.8
9.0 0.9 6.6
22.0 2.2 16.2
43.0 4.4 31.7
74.0 7.5 54.6
184.0 18.8 135.7
360.0 36.7 265.5
621.0 63.3 458.0
1235.0 125.9 910.9
2159.0 220.0 1592.4
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