Technical Specifications; Torque Values; For General Applications; For Important Assemblies - Atlas Copco XAHS 146 Dd S3B APP Instruction Manual

Technical specifications

TORQUE VALUES

FOR GENERAL APPLICATIONS

The following tables list the recommended torques applied for general applications
during 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 %
41 (30) +/-25 %
73 (54) +/-25 %
115 (85) +/-25 %
185 (137) +/-25 %
Torque value (Nm / lbf.ft)
14 (10) +/-21 %
34 (25) +/-23 %
70 (52) +/-24 %
120 (89) +/-25 %
195 (144) +/-23 %
315 (233) +/-23 %

FOR IMPORTANT ASSEMBLIES

Assemblies
Wheel bolts
Bolts, axle/beams
Bolts, towbar/axle
Bolts, towbar/bottom
Bolts, towing eye/towbar
Bolts, lifting eye/flywheel housing
Bolts, engine/drive housing (M12)
Bolts, engine/drive housing (M14)
Bolts, compressor element/drive
housing
Safety switches
Joints adjustable towbar (M24)
Joints adjustable towbar (M32)
Secure the drain cock and tank cap of the fuel tank handtight.
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Torque value (Nm / lbf.ft)
see section Wheel bolts check
205 (151.29) +/- 20
80 (59.04) +/- 10
205 (151.29) +/- 20
80 (59.04) +/- 10
80 (59.04) +/- 10
80 (59.04) +/- 10
125 (92.25) +/- 10
80 (59.04) +/- 5
35 (25.83) +/- 5
275 (202.95) +/- 25
375 (276.75) +/- 25