Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for the M915 Family of Vehicles - Continued.

TM 9-2320-303-24-1

Table 1. Unit Preventive Maintenance Checks and Services

(PMCS) for the M915 Family of Vehicles - Continued.

LOCATION

ITEM TO

ITEM

MAN-

CHECK/

NOT FULLY MISSION

NO.

INTERVAL HOURS

SERVICE

PROCEDURE

CAPABLE IF:

Semi-

Road Test,

While starting vehicle, listen for

unusual noises and difficult crank-

annual

Starter

ing of starter.

Semi-

Road Test,

a. Listen for unusual noises, hesi-

tation, and varying idle speed.

annual

Engine and

Observe accelerator response.

Engine

Compartment

b. Ensure that engine does not

exceed maximum governed

speed (2100 rpm).

c. Check instrument panel for

proper operation of switches,

gages, and indicator and warn-

ing lights (TM 9-2320-303-10).

NOTE

Semi-

Road Test,

annual

Brakes

Refer to TM 9-2320-303-10 for operation of brake components.

a. Test braking response to brake

pedal. Response should be

immediate.

NOTE

Use a ground guide for step b.

b. With vehicle on level ground

and parking brake applied,

attempt to move vehicle for-

ward. Have ground guide check

for a rolling wheel that would

indicate a broken spring in

brake chamber. If a broken

spring is suspected, perform

inspection

procedure (WP

0139 00 or WP 0140 00).

c. At approximately 30 mph (48

kph), apply brake pedal. Vehicle

should stop smoothly without

noticeable side pull or chatter.

d. After stopping vehicle, with

transmission in gear, release

brake pedal. Wheel brake

release should be immediate.

e. With vehicle on downgrade and

transmission in N (Neutral), set

parking brake. Vehicle should

not move.

0024 00-2