TM 5-4310-372-14
CAPACITY CONTROL SYSTEM MAINTENANCE - continued
4-24. ASSEMBLY AND ADJUSTMENT - continued
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NO.
ITEM(S)
ACTION
ITEM I.D.
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10
Combination Unloader
a. Check valve side - cont.:
and Check Valve-cont.
bb .
Install the check
28 to 31
valve spring (30) and
34
check valve (31), on
the guide pin provided
inside the cap (28).
Using a new cap gasket
(29) screw assembly
into valve body (34).
b.
Unloader valve side:
aa.
bb .
cc .
I n s t a l l t h e p i s t on
23 to 27
assembly (26) and spring
34
(27) inside the valve
b o d y ( 3 4 ).
Using a new
gasket (25) fasten the
regulator body (24) to
the valve body with the
four screws (23) origin-
ally removed.
I n s t a l l b a l l ( 2 2 ) i n to
19,20
regulator body.
I n s t a ll
22
a new “O” ring (20) on
differential screw (19)
and install, with lower
jam nut,
into the
regulator body.
Slide regulator spring
13 to 18
(18) on pressure rod -
(17) and install side
d i f f e r e n t i a l s c r e w .
Thread spring housing
(15) with upper jam
nut (16) into assembly.
Slide unlocking sleeve
(14) on rod and secure
with pull ring (13).
If the unloader valve has been disassembled
i t i s n e c e s s a r y f o r t h e p r e s s u r e r e g u l a t i on
d e v i c e s t o b e a d j u s t e d a f t e r a s s e m b l y a nd
i n s t a l l a t i o n.
The proper settings can only
be made during the initial operation of the
reassembled compressor unit.
4-32
