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

TM 9-2320-312-10

Table 1. Preventive Maintenance Checks and

Services (PMCS) for M878A2 - Continued.

LOCATION

ITEM TO

ITEM

CHECK/

NOT FULLY MISSION

NO.

INTERVAL

SERVICE

PROCEDURE

CAPABLE IF:

b. Check that high water temperature/ b. Warning light stays on.

Before

Engine

low oil pressure (HIGH WATER

(Con't)

Startup

LOW OIL) warning light goes out

within 15 seconds.

c. Check that LOW AIR warning light c. LOW AIR warning light and buzzer

and buzzer turn off when air pres-

remain on.

sure on gauge reaches 65 psi (448

kPa).

d. Check air cleaner restriction indica- d. Yellow band has risen to red area on

gauge.

tor. If yellow band has risen to red

area on gauge, service air cleaner

(WP 0015 00).

e. Check operation of lights.

NOTE

Vehicle operation with inoperative horn may violate AR 385-55.

f. If tactical situation permits, check

operation of horn.

RIGHT SIDE

NOTE

Before

Transmission

Fluid Level

A COLD RUN check is made when transmission fluid is at an ambient

temperature of 32-110 degrees F (0-38 degrees C).

Perform COLD RUN check:

Class III leaks are evident. Fluid level

is not within COLD RUN band.

a. Ensure tractor is parked on level sur-

face, with wheels chocked, and

parking brake applied.

b. Run engine at idle (500-800 rpm) for

about one minute. Shift to D (Drive)

and then to R (Reverse) to clear

hydraulic circuits of air. Then shift

to N (Neutral) and allow engine to

remain at idle (500-800 rpm).

0012 00-7