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Technical specifications
TORQUE VALUES
GENERAL TORQUE VALUES
The following tables list the recommended torques applied for general applications at
assembly of the compressor.
For hexagon screws and nuts with strength grade 8.8
Thread size
M6
M8
M10
M12
M14
M16
For hexagon screws and nuts with strength grade 12.9
Thread size
M6
M8
M10
M12
M14
M16
Torque value, Nm (lbf.ft)
8(6)±25%
20(15)±25%
40(30)±25%
69(51)±25%
109(80)±25%
171(126)±25%
Torque value, Nm (lbf.ft)
14(10)±25%
34(25)±25%
68(50)±25%
116(86)±25%
185(136)±25%
288(212)±25%
CRITICAL TORQUE VALUES
Assemblies
Axles to frame:
Wheel nuts
Bolts, axle(s)/frame
Compressor to frame:
Bolts, elements/gear casing
Bolts, elements/support
Bolts, support/buffer
Bolts, buffer/frame
Engine to frame:
Bolts, engine/support
Bolts, support/buffer
Bolts, buffer/frame
Lifting beams to0frame:
Bolts, lifting beams/yoke (M16)
Bolts, lifting beams/yoke (M12)
Bolts, lifting beams/A-Frames
Bolts, A-Frames/frame
Hose clamps:
Worm Type
Constant Torque Type
Heavy Duty Constant Torque Type
Secure the drain cock and tank cap of the fuel tank hand tight.
- 54 -
Torque value
Variance
Nm
ft.lbf
N/A
N/A
-
N/A
N/A
-
80
59
±10%
46
34
±10%
N/A
N/A
-
N/A
N/A
-
92
68
±10%
49
36
±10%
62
46
±10%
N/A
N/A
-
83
61
±10%
N/A
N/A
-
N/A
N/A
-
4.3
3.2
±10%
4.3
3.2
±10%
10
7.4
±10%
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