Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for the M878A2 Yard Tractor cont'd

TM 9-2320-312-24-1

Table 1. Unit Preventive Maintenance Checks and Services (PMCS)

for the M878A2 Yard Tractor - Continued.

LOCATION

EQUIPMENT NOT

ITEM TO

ITEM

READY/AVAILABLE

CHECK/

NO.

INTERVAL

PROCEDURES

IF:

SERVICE

Lubricate fitting on each side of fifth wheel

Semiannual

Fifth Wheel

frame sub-assembly pivot with GAA grease

Frame Sub-

(Item 30, WP 0165 00).

Assembly

Pivot Bush-

ings

FIFTH WHEEL FRAME

GAA

SUB-ASSEMBLY

NOTE

Item number checks 13 through 19 should be performed while testing oper-

ation of tractor.

Semiannual

Starter

While starting tractor, listen for unusual

noises and difficult cranking of starter.

a. Listen for unusual noises, hesitation, and a. Accelerator pedal is sticking or

Semiannual

Engine and

varying idle speed. Observe accelerator

binding.

Instrument

response.

Panel

b. Ensure that engine does not exceed maxi-

mum governed speed (2400 rpm).

c. Check instrument panel for proper opera-

tion of all switches, gauges, indicators, and

warning lights and alarm (TM 9-2320-312-

10).

Check vehicle response to steering wheel Steering wheel binds or is shim-

Semiannual

Steering

action. Tractor should respond quickly. With mying. Tractor pulls or wanders.

tractor on straight level ground, lightly hold

steering wheel to check for pull or wander.

0009 00-10

Change 1