OPERATOR PARTICIPATION

TM 5-2420-224-20-1

OPERATOR PARTICIPATION

The operator will perform the Operator PMCS (TM 5-2420-224-10) and will also help unit

maintenance do the unit PMCS, and perform lubrication in accordance with Lubrication

Instructions, page 2-14.

INTERVALS

Unit PMCS should be performed at the intervals shown below:

Do your (Q) PMCS quarterly (every 3 months).

Do your (S) PMCS semiannually (every 6 months).

Do your (A) PMCS annually (once every year).

PROCEDURES

Refer to the following illustrations and descriptions for information on how to inspect

common items on the vehicle.

NUTS, BOLTS, AND SCREWS: Check for loose

parts by looking for cracked or chipped paint

around screw and bolt heads. Check for missing

or broken cotter pins or lockwire.

WELDS: Check for damaged welds by cracks in

paint or metal, and chipped paint in seams.

HOSES, TUBES, AND FITTINGS: Check all

hoses, tubes, and fittings for damage, loose

clamps, improper routing, leaks, looseness, and

chafing. Do not overtighten hoses, tubes, or

fittings.

ELECTRICAL LEADS AND HARNESSES: Check for loose or corroded leads and connectors, proper

routing of harnesses, loose clamps, and chafing.

Change 2

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