Technical Specifications; Torque Values; General Torque Values; Critical Torque Values - Atlas Copco XRHS 506 Instruction Manual

Instruction Manual
8

Technical specifications

8.1

Torque values

8.1.1

General torque values

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
8.1.2

Critical torque values

Axles to frame:
Assemblies
Wheel nuts
Bolts, front axle/frame
Bolts, rear axle/frame
Compressor to frame:
Assemblies
Bolts, elements/gear casing
Bolts, elements/support
Bolts, support/buffer
Bolts, buffer/frame
2954 2510 03
Torque value (Nm / lbf.ft)
9 (6.64)
23 (16.97)
46 (34.69)
80 (59.04)
125 (92.25)
205 (151.29)
Torque value (Nm / lbf.ft)
15 (11.07)
39 (28.78)
78 (57.56)
135 (99.63)
210 (154.98)
345 (254.61)
Torque value (Nm / lbf.ft)
270 (199.26)
205 (151.29)
205 (151.29)
Torque value (Nm / lbf.ft)
46 (33.95)
80 (59.04)
205 (151.29)
80 (59.04)
101