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

a. Move steering wheel and check for loose- a. Play in U-joints is noted.

Semiannual

Front Axle

ness in all steering column U-joints. There

Steering

should be no play in U-joints.

Components

b. Check steering gear for leaks and loose b. Class III leaks are evident.

mounting bolts and components. Tighten

or replace damaged component.

c. Check tie rod and drag link for movement c. Tie rod or drag link is worn or

by attempting to move by hand. Visually

damaged.

check ball joint ends for worn or damaged

dust seals. Replace worn or damaged tie

rod (Group 080 Commercial Service Man-

uals). If drag link is worn or damaged,

notify Direct Support maintenance.

d. Lubricate two drag link grease fittings with

GAA grease (Item 30, WP 0165 00).

DRAG

GAA

LINK

0009 00-17