Table 2-8. Operator Preventive Maintenance Checks and Services-continued -788620060

TM 10-3930-673-10

Table 2-8. Operator Preventive Maintenance Checks and Services - CONT.

Location

Item to Check/

Not Fully Mission

Item

Service

Procedure

Capable if:

No.

Interval

Before

b. Press lenses to test warning lights.

Low brake pressure warning

light bulb does not illumi-

nate.

NOTE

Check Nos. 14.1,15, 16 and 17 are per-

formed with the engine running, prior to

the equipment leaving the containment

area or performing its intended mission.

14.1

Before

Emergency Steering Place engine start switch in the ON position

Emergency steering pump

Pump

and emergency steer switch in ON position

not operational.

(switch down and red cover down). Turn

steering wheel slightly left and right in any

steering mode. Observe that wheels are

turning.

EMERGENCY

STEER SWITCH

Before

Systems Operational a. Operate two wheel, four wheel, and crab

Erratic or noisy operation.

Check

steering fully in one direction and then in

Any steering mode not oper-

the opposite direction. Check for proper

ational.

and smooth operation.

Before

b. Depress the service brake pedal and check

Pedal is spongy or goes to

to ensure that pedal is firm and does not

floor.

depress completely to floor.

Before

c. Place transmission in forward gear and

Vehicle does not stop.

allow vehicle to move. Operate the service

brakes. Vehicle should stop.

Before

d. With parking brake applied, place travel

Parking brake does not hold

select control lever in third gear. Vehicle

vehicle.

should not move.

2-26

Change 1