TM 5-4310-376-14
Operator Preventive Maintenance Checks and Services (PMCS) - Continued
Table 2-1.
A - After Operation
D - During Operation
B - Before Operation
Interval
Equipment is
ITEM TO BE INSPECTED
Item
not Ready/Avail-
No.
PROCEDURE
able If:
A
B
D
3
Unloading Control Valve - Check for proper oper-
Will not reseat and/or
Z
ation. Observe pressure gage. When reading
leaks.
reaches 200 +0, -10 PSI, unloading control valve
vents air. Pull safety valve ring. When pressure
drops below 175 PSI, unloading control valve fills
Loose fittings.
Lines and Fittings - Inspect for leaks and tightness.
Pneumatic Cylinder - Inspect for damage.
Z
4
Cylinders (2) - Inspect for bent or broken cooling
Low in oil.
Oil Level (3) - Check oil level. Fill to bottom of
threads if necessary (para 3-6a(1) and (2)).
Does not reseat and/or
Safety Valve - Inspect for missing ring, corrosion.
valve leaks.
Operate and observe that air pressure is relieved.
2-6