Atlas Copco XAHS 447 Cd S3A APP, Instruction Manual

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Technical specifications
TORQUE VALUES
GENERAL TORQUE VALUES
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
For hexagon screws and nuts with strength grade 12.9
CRITICAL TORQUE VALUES
Thread size Torque value (Nm / lbf.ft)
M6 8 (6) +/-25 %
M8 20 (15) +/-25 %
M10 41 (30) +/-25 %
M12 73 (54) +/-25 %
M14 115 (85) +/-25 %
M16 185 (137) +/-25 %
Thread size Torque value (Nm / lbf.ft)
M6 14 (10) +/-21 %
M8 34 (25) +/-23 %
M10 70 (52) +/-24 %
M12 120 (89) +/-25 %
M14 195 (144) +/-23 %
M16 315 (233) +/-23 %
Assemblies Torque value (Nm / lbf.ft)
Axles to frame:
Wheel nuts 270 (200) +10/-0 %
Bolts, front axle/frame 205 (152) +/- 10 %
Bolts, rear axle/frame 205 (152) +/- 10 %
Compressor to frame:
Bolts, elements/gear casing 46 (34) +/- 10 %
Bolts, elements/support 80 (60) +/- 10 %
Bolts, support/buffer 205 (152) +/- 10 %
Bolts, buffer/frame 80 (60) +/- 10 %
Engine to frame:
Bolts, engine/support 205 (152) +/- 10 %
Bolts, support/buffer 46 (34) +/- 10 %
Bolts, buffer/frame 23 (17) +/- 10 %
Lifting beams to frame:
Bolts, lifting beams/yoke (M12) 125 (93) +/- 10 %
Bolts, lifting beams/yoke (M16) 205 (152) +/- 10 %
Bolts, lifting beams/A-Frames 205 (152) +/- 10 %
Bolts, A-Frames/frame 205 (152) +/- 10 %
Hose clamps:
Pebra hose clamps on all IC/radiator
hoses 12 (9) +/- 10 %
Secure the drain cock and tank cap of the fuel tank handtight.