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TM 10-4320-348-14
Table 4-1. Unit Preventive Maintenance Checks For Pumping Unit. (Cont’d).
Location
Item
Item To
Not Fully Mission
No.
Interval
Check/Service
Procedure
Capable If:
2
Quarterly
Engine
Lube Oil
Drain lube oil from engine crankcase, into a
Drain plug is not replaced.
suitable container, by removing oil drain plug
(1) from pipe coupling (2) located on the
lower left of the sound enclosure front panel
assembly. Replace drain plug (1) after oil
drains.
Quarterly
Remove and service oil strainer (paragraph
Engine crankcase is not refilled.
4-33). Refill engine crankcase with
approximately 0.75 quart of the proper
viscosity lube oil. (Refer to Appendix F.)
With engine sitting level, remove dipstick (1)
Dipstick is not clean or is missing.
by turning handle counter-clockwise, and
wipe clean with a lint-free cloth (Appendix E,
Section II, Item 6).
Replace dipstick (1) into oil pan (2).
4-8
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