TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
A/C Cylinder Head (SS 191 Model) (012-101)
Section 12 - Compressed Air System - Group 12
Page 12-31
Air Compressor Seat Socket, Part No. 3823528, or 3/4-
Inch Allen Wrench
Tighten the seat (9).
[80 ft-lb]
Install a new gasket (8) and the cylinder head (7) to the
cylinder block, aligning the scribe marks.
Install the four capscrews (6).
9/16 Inch
Tighten the capscrews.
[22 ft-lb]
Tighten the capscrews again, in the sequence shown.
[30 ft-lb]
Install a new o-ring (3) on the unloader pin (4).
L-1235