Table 1. Unit Maintenance Preventive Maintenance Checks and Services (PMCS) for the D7F Tractor. (Cont)

TM 5-2410-233-23

UNIT MAINTENANCE PREVENTIVE MAINTENANCE CHECKS AND

SERVICES (PMCS) - CONTINUED

0009 00

Table 1. Unit Maintenance Preventive Maintenance Checks and

Services (PMCS) for the D7F Tractor - Continued.

LOCATION

ITEM TO

ITEM

MAN-

CHECK/

NO.

INTERVAL

HOURS

PROCEDURE

SERVICE

NOTE

Semiannual

Road Test

Test drive machine over varied terrain for at least 15 minutes.

Perform all During Operator PMCS checks during road test

(TM 5-2410-233-10).

While cranking engine, listen for unusual noises and difficult

cranking.

Observe response to governor controls. Listen for unusual

noises. Observe for hesitation, varying idle speed and sticking

or binding of lever.

Check for response to shifting and smoothness of operation in

all speed ranges.

Be alert for excessive vibration and the smell of fuel, oil, cool-

ant and exhaust.

Check all instrument and gages for proper readings (TM 5-

2410-233-10).

Operate all machine implements and note response of respective

control levers.

Lightly apply brake pedals with steady force. Machine should

slow down immediately and stop smoothly.

Park machine on level ground. Place transmission in neutral (N)

with transmission lock lever in locked position. Engage brake

lock lever. Lower implements to the ground and shut down

engine.

Perform a walk around inspection of machine. Check for evi-

dence of leaks: oil, fuel and engine coolant.

Ensure all data, caution and warning plates are present, securely

mounted and legible.

Inspect oil lines and hoses for cracks, frays and wear that could

Semiannual

Engine

cause leaks.

Ensure engine oil filter assembly is securely mounted with no

evidence of leaks.

Inspect rocker arm (valve mechanism) cover for damage and

leaks.

Inspect all engine compartment wiring for frays, splits, missing

insulation and poor connections. Replace any damaged wires

and tighten any loose connection.

0009 00-4