TM 5-4320-275-13 & P
Table 4-2. Organizational Preventive Maintenance Checks and Services - Continued
M - Monthly
Q - Quarterly
S - Semiannually
Item to be
Check that cap
engine to engine
mount are tight.
Check for cracks or broken welds.
Check inlet and outlet pipe nipples for leaks, cracks, or
damage. Replace any damaged pipe nipple.
Start the engine and listen to the operation of the check
valves. Check valves must open and close during normal opera-
tion. If check valves do not open and close, check for an
obstruction in the accumulator or the discharge port, then