ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 10-3930-638-24&P

2-7. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (cont)

Legend

W - Weekly

S - Semiannually

Q - Quarterly

A - Annually

Intwerval

ITEM TO BE INSPECTED

Item

No.

PROCEDURE

PERFORM OPERATOR/CREW PMCS PRIOR TO OR IN CONJUNCTION WITH

ORGANIZATIONAL PMCS IF:

a. There is any delay between the daily operation of the equipment and the organizational

PMCS.

b. Regular operator is not assisting/participating.

AIR CLEANER

WARNING

If NBC exposure is suspected, all air filter media should be handled

by personnel wearing protective equipment. Consult your unit NBC

Officer or NBC NCO for appropriate handling or disposal proce-

dures.

Remove element and blow from inside out with low pressure air, replace if defective. Reset

contamination indicator.

PARKING BRAKE LINKAGE

Check linkage for loose or missing hardware. If adjusting knob does not tighten enough,

adjust linkage.

SERVICE BRAKE

Inspect brake pads, if 3/32 inches or less, or contaminated, replace. Reference page 2-282,

para 2-43a.

Check that brake pedal has 1/4 -1 inch free travel and is at least two inches from floor when

fully applied.

Inspect the wheel cylinders for cracks, leaks, or broken end; inspect the brake shoe for cracks,

and inspect backing plates for bends, cracks and loose rivets. Ref. page 2-282, para 2-43a. In

spect entire hydraulic brake system for leaks, cracked lines and worn hoses. Ref. page 2-290,

para 2-43b. Replace all defective parts as required.

Adjust service brake assembly. Reference page 2-286.1, para 2-43a.

AXLES

WARNING

DRY CLEANING SOLVENT (P-D-680), used to clean parts is toxic and

flammable. Wear protective goggles and gloves and use only in a well

ventilated area. Avoid contact with skin, eyes, and clothes and don't

breathe vapors. If contact with eyes is made, wash eyes with water im-

mediately, and obtain medical aid immediately.

Service breathers. Rmove and immerse in solvent (P-D-680); dry with compressed air.

CHASSIS

Check chassis, brackets, and mounting and ensure that they are in good condition and secure.

SIDE SHIFT FRAME

Check that chain pulleys are securely fastened. Check side shift bars for excessive wear. defer

mation, and bent condition.

SPARK ARRESTING MUFFLER

Blow carbon and soot from muffler (para. 2- 16)

Change 5

2-4