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

Transmission b. Check oil cooler lines at transmission for b. Class III leaks are evident.

Initial 100

evidence of leaks. Tighten loose connec-

(Con't) Hours

and Transmis-

tions. Replace hoses if broken or leaking

sion Oil

(WP 0029 00).

Cooler Hoses

NOTE

Transmission refill capacity is 26 qt (25 L).

c. Change transmission fluid (Item 24, WP

0165 00) and replace transmission fluid fil-

ter (Group 070 Commercial Service Manu-

als).

Initial 100

Hydraulic Oil Replace hydraulic (power steering and fifth

Hours

Filter

wheel lift systems) oil filter (WP 0131 00).

6.1

Initial 6

Engine Valve

Notify DS Maintenance to inspect/adjust

engine valve lash (Group 020 Commercial

Months

Lash

Service Manuals).

a. At each end of front axle, apply GAA

Semiannual

Front and

grease (Item 30, WP 0165 00) to grease fit-

Rear Brake

ting at each cam bracket and slack adjuster.

Camshaft

Ensure new grease flows from pressure

Bushings and

relief valve in slack adjuster pawl cap-

Slack Adjust-

screw.

ers

CAM

PAWL

BRACKET GAA

GAA

CAPSCREW

0009 00-3

Change 1