Table 2-1. Preventive Maintenance Checks and Services (PMCS)-CONT

TM 55-1905-223-24-4

E - Every 20 hours

W - Weekly

Q - Quarterly

S - Semiannually

A - Annually

B - Biennially

ITEM

INTERVAL

ITEMS TO BE

Procedures

NO.

INSPECTED/SERVICED

EWQ

Battery - CONT

c. Install and tighten the battery cables (TM 55-1905-223-24-18).

CONT

Oil filter

Check condition of used oil. Thin, black oil

indicates fuel dilution. Milky discoloration

indicates coolant dilution.

CAUTION

Diluted oil can cause severe damage

to the engine.

a. Send oil sample to the Army Oil Analysis Program (AOAP) lab.

NOTE

If oil is contaminated a sample must be sent to the AOAP lab for

spectrometric analysis.

b. If necessary, change lubricating oil. Refer to LO 55-1905-223-12.

NOTE

Allow time for the oil to settle in the pan after engine shutdown.

c. Drain the oil as follows:

(1) Open the suction valve for the sump pump.

Change 1

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