TM 5-2420-230-24-2
Compressed Air System - Torque Values
B3.9 and B5.9 Series Engines
Page V-38
Section V - Specifications
Component or Assembly (Procedure)
Ref.No./Steps
Metric
U.S.
Compressed Air System - Torque Values
Air Compressor Coolant Lines (012-004)
24 Nm
18 ft-lb
Air Compressor Unloader and Valve Assembly (012-013)
Holset SS, E-type, and ST unloader
14 Nm
124 in-lb
Holset QE unloader
27 Nm
20 ft-lb
Air Compressor Cylinder Head (Holset SS191 Model) (012-007)
Air compressor inlet valve cage torque
108 Nm
80 ft-lb
Exhaust valve seat
108 Nm
80 ft-lb
Air compressor head capscrew torque
30 Nm
22 ft-lb
Tighten the capscrews again, in the sequence shown.
41 Nm
30 ft-lb
Air compressor cover
41 Nm
30 ft-lb
L-1402