TM 9-2320-279-34-2
Brake System Maintenance Instructions (Cont)
11-9. AIR COMPRESSOR REPAIR (CONT).
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
Install two plungers (19) in guides (20).
Install preformed packing (21) and
backup ring (22) on pistons (23).
Install pistons (23) on guides (20).
Install pistons (23), guides (20), and
plungers (19) in unloader valve
seats (11).
Install unloader spring seat (24) in small
hole in cylinder block inlet cavity,
Position spring saddle (25) between
guides so forks are centered on guides.
Install unloader spring (26), making sure
it seats over unloader spring seat (24)
and seats on spring saddle (25).
Aline matchmarks and install gasket (27)
and cylinder block (13) on crankcase (2).
Install six lockwashers (28) and
screws (29).
(21) Install connecting rod (30) in piston (31) with wrist pin (32) and two wrist pin plugs (33).
NOTE
Do step (22) only if rings were removed.
(22) Install first wide ring (34), narrow ring (35), second wide ring (34), and two narrow rings (35) on
piston (31). Punchmarks on rings must be toward top of piston, and ring gaps must be staggered.
11-26
