TM 5-4310-372-14
CAPACITY CONTROL SYSTEM MAINTENANCE - continued
4-22. DISASSEMBLY - continued
4.
Combination Unloader
and Check Valve
If unloader valve replacement is required the air
c o m p r e s s o r
assembly must be unbolted from the
r e c e i v e r p l a t f o r m a n d m o v e d t o w a r d s t h e e n g i n e.
The unloader valve body (34) may then be unscrewed
from pipe nipple (35) which in turn can then be
unscrewed from the air receiver tank.
Unscrew muffler (12).
b.
Unloader valve side:
aa. Remove pull ring (13)
and sleeve (14).
bb. Unscrew spring housing
(15) with upper jam
nut (16).
cc. Remove pressure rod
(17).
dd. Unscrew” differential
screw (19) with lower
jam nut (21) Remove
"0" ring (20) and
b a l l ( 2 2 ).
ee. Unscrew fasteners
(23) securing regula-
tor body (24) to
valve body (34).
Remove gaskets (25),
piston assembly (26)
and piston spring (27).
b.
Check valve side:
Unscrew cap (28) and
remove cap gasket (29),
check valve spring
(30) check valve (31),
valve spring (32), and
valve stem (33).
12
13,14
15,16
17
19 to 22
23 to 27
34
28 to 33
4-29
