Table 3-1. Operator/Crew Preventive Maintenance Checks and Services - Continued

TM 10-3930-632-12

Table 3-1. Operator/Crew Preventive Maintenance Checks and Services - Continued

B-Before

D-During

A-After

W-Weekly

M-Monthly

ITEM

Interval

ITEM TO BE INSPECTED

Equipment is not ready/,

NO.

PROCEDURE: Check for and have repaired, filled or adjusted

AVAILABLE IF:

as needed.

LIGHTS

Check that lights are working.

BRAKES

Check that normal brake pressure stops truck.

Service brake will not stop

truck.

STEERING

Check that truck steers free and easy.

Steering sticks or truck is hard

to steer.

ACCELERATOR

Check that truck accelerates smoothly.

Pedal sticks.

HYDRAULIC CONTROLS

A. Check that lifting and lowering is smooth.

Lifting or lowering jerky or

uncontrollable.

B. Forward and backward tilt is smooth and immediate.

Tilt does not operate.

INSTRUMENT PANEL

A. Check warning lights by operating warning light test switch.

Have defective bulbs replaced by Organizational Maintenance.

B. During normal operation the warning lights should not be on.

These lights include oil pressure, water temperature, transmission

Any warning lights is on.

temperature, and hydraulic filter.

C. Check ammeter does not register discharge when engine is

operated above idle speed.

Ammeter registers discharge with

engine above idle speed.

HORN

Check horn by pressing button.

TIRES

Check tires for wear, cracks, gouges, and chunking.

RADIATOR (fig. 3-2)

Check coolant level reaches tab inside filler neck approximately

2-3/4 inches below top of neck. Add coolant as necessary using

proper mixture of water and antifreeze (reference TB 750-651).

BATTERY

WARNING

Do not smoke or allow any flame or spark in

the vicinity while checking or filling the battery.

The battery generates hydrogen, a highly

explosive gas.

a. Inspect for electrolyte level, add distilled water to split ring if

required (reference TM 9-6140-200-14).

b. Check battery posts and terminals for corrosion and ensure

the connections are tight.

Battery cracked or discharged.

HYDRAULIC RESERVOIR

Lower mast and have all cylinders retracted. Check reservoir

fluid level on dipstick, add oil, if needed, to raise level to FULL mark.

FANBELT

Inspect for looseness or frayed condition.

RADIATOR ENGINE COMPARTMENT

Inspect and clean air passages in radiator.

Belt slips.

TRANSMISSION OIL (fig. 3-3)

Check fluid level on dipstick on filler cap on axle housing. Add

transmission fluid as necessary to bring level up to FULL mark on

dipstick.

Change 1 3-2.1