Table 1. Unit Maintenance Preventive Maintenance Checks and Services (PMCS) for the D7G Tractor. - Continued

TM 5-2410-237-23

UNIT MAINTENANCE PREVENTIVE MAINTENANCE CHECKS AND

SERVICES (PMCS) - CONTINUED

0010 00

Table 1. Unit Maintenance Preventive Maintenance Checks and

Services (PMCS) for the D7G Tractor - Continued.

LOCATION

ITEM TO

ITEM

MAN-

CHECK/

NO.

INTERVAL

HOURS

SERVICE

PROCEDURE

Semiannual

Cooling

DO NOT service cooling system unless engine has been

allowed to cool down. This is a pressurized cooling system and

System

escaping steam or hot coolant will cause serious burns.

DO NOT remove cooling system radiator cap when engine is

hot. Allow engine to cool down. Loosen cap to first stop and let

any pressure out of cooling system, then remove cap. Failure

to follow this warning may cause serious burns.

Wear effective eye, glove, and skin protection when handling

coolants. Failure to do so may cause injury.

Inspect hoses for splits, dry rot, wear and cracks that could

cause leaks. Inspect hose clamps for tightness. Replace any

damaged hose and tighten any loose hose clamps.

Inspect radiator, water pump, engine oil cooler and transmission

oil cooler for leaks and secure mounting. Tighten any loose

hardware.

Inspect radiator core for clogged or bent fins, leaks and protrud-

ing debris. Clean clogged core and remove debris. Straighten

bent fins.

Inspect fan blades for security, breaks and missing or loose cap-

screws.

Inspect engine water temperature sending unit for security of

mounting. Inspect wiring for frays, splits, breaks and worn or

missing insulation.

Check antifreeze solution for adequate freeze protection (TB

750-651).

Semiannual

Starting

Inspect starting motor for security of mounting, corrosion and dam-

Motor

aged or loose wiring. Tighten mounting capscrews and any loose

connections.

Semiannual

Alternator

Inspect alternator for secure mounting.

0010 00-5

Change 1