TM 5-4310-372-14
CAPACITY CONTROL SYSTEM MAINTENANCE - continued
4-23. CLEANING, INSPECTION AND REPAIR
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NO.
ITEM(S)
ACTION
ITEM I.D.
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1.
Discharge Line
a.
b.
c.
d.
2. Air Control Signal
a.
Line
b.
co
d.
e .
f .
3.
Pneumatic Actuator
Cylinder
a .
b.
c.
4.
Combination Unloader
and Check Valve
Clean line as required.
Inspect line for dents
1
cracks or other damage,
especially at flared ends.
Inspect flare nuts for
thread or other damage.
Replace if any damage is
discovered.
Inspect line for dents
5
cracks or other damage.
Replace if damage is found.
I n s p e c t f i t t i n g s f or
6,7
damaged threads, cracks,
e t c .
Replace fittings if damage
is discovered.
Inspect shut-off valve
for damage. Attach
threaded end to compressed
air supply and check for
leaks with valve in the
“off” position.
Replace shut-off valve if
damage or leaks are
discovered.
Inspect for damage
including cracks, dents,
e t c.
Attach to a 50 psi
compressed air supply and
allow cylinder rod to actuate.
If rod does not move or air
leaks are found replace
c y l i n d e r.
6
9
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.
4-30
