TM 5-4310-452-14
Table 4-1. Organizational Preventive Maintenance Checks and Services (PMCS).
Q-Quarterly
M - Monthly
H-Hours
INTERVAL
ITEM
ITEM TO BE INSPECTED.
PROCEDURES
NO.
Q
S
H
WARNING
The compressor lubricating/cooling system is un-
der pressure. To prevent injury, do not, under any
circumstance, remove drain plug or filler plug from
the compressor lubricating/cooling system while
under pressure. Open the manual blowdown valve
as a safety precaution first.
NOTE
Perform all Operator PMCS first.
WARRANTY
REQUIREMENTS
(One Time
Service)
50
a. After first 50 hours of operation, change engine and
compressor oil filters.
50
b. Check valve clearance (see paragraph 4-13).
150
c. After first 150 hours of operation, change engine oil, oil filter
and compressor oil filter. After warranty requirements have
been met, the engine oil and filter are changed in
accordance with the Army Oil Analysis Program (AOAP) (see
LO 5-4310-452-12).
2
COOLING FINS
250
Clean and inspect the engine cooling fins (see paragraph 3-5).
3
DRIVE BELTS
250
a. Visually check belts for cracks or deterioration. If belts are
cracked or deteriorated, replace belts (see paragraph 4-33,
4-37, or 4-91).
250
b. Check alternator belt for deflection by pressing down on belt
and measuring deflection. If belt deflects more than 0.4-0.6
in. (10-15 mm) adjust belt (see paragraph 4-37).
250
c. Check belt break switch (see paragraph 4-42) and all
warning devices for function (see paragraph 4-55).
4-5
