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. Remove, clean, inspect, install, and adjust

Semiannual

Front Axle

front axle wheel bearings (WP 0033 00).

Wheel Bear-

ings

b. Refill hub ends with gear lubricating oil

(Item 38, 39 or 40, WP 0165 00) until level

of oil is at FULL line on sight glass (WP

FULL

LINE

Semiannual

Front Brakes

Check brake adjustment at front axle. Adjust

brakes as required (Group 080 Commercial

Service Manuals).

Semiannual

Propshaft

a. Inspect condition of propshaft. Repair or

replace propshaft as required (Group 120

Commercials Service Manuals).

b. Ensure that lockstrap mounting screws are

secure. If loose, tighten to 32-42 lb-ft (43-

57 Nm) (Group 120 Commercial Service

Manuals).

c. Lubricate propshaft U-joints and front

yoke (slip joint) with GAA grease (Item

30, WP 0165 00) (Group 120 Commercial

Service Manuals).

0009 00-21