TOPIC 7. LUBRICATION AND SERVICE

TM 10-3930-644-14&P

TOPIC 7. LUBRICATION AND SERVICE

The following paragraphs provide the operator/

Hydraulic Oil Reservoir Check hydraulic oil level.

maintenance man Kith a comprehensive list of service

Engine Breather Cap Remove and clean.

operations that should be performed periodically. Close

Engine Oil Filter Replace.

adherence to the list by qualified personnel will go far

Engine Oil Drain and refill.

toward preventing major trouble and subsequent

Fan Belt Check condition and tension.

downtime of equipment.

The operator is normally

Fuel Strainer Clean.

responsible for performing the 8-hour Daily Checks only;

Power Shift Transmission Check fluid level.

it is the responsibility of the maintenance man to perform

Radiator Make certain radiator air passages are free

the 50 to 1000 hour Service Checks. For detailed

of obstructions.

service information on these checks, the maintenance

man may refer to applicable topics in the maintenance

D. 200-HOUR SERVICE

manual.

Perform 8, 50, and 100 hour service in addition to the

following:

NOTE

The time intervals given in this guide

Hydraulic Oil Filter - Replace.

are based on normal operating

Transmission Oil Filter - Replace.

conditions. When operating under

Hydraulic Oil Reservoir Breather - Replace.

abnormal or severe conditions, these

services should be performed as

E. 500-HOUR SERVICE

often as required to maintain the

Perform 8, 50, 100, and 200 hour service in addition to

vehicle in good operating condition.

the following:

A. 8-HOUR SERVICE

Electrical System Check tightness of terminals,

Refer to Daily Check List and Explanations in Topic 4.

wires, cables and electrical components.

Distributor Replace points.

B. 50-HOUR SERVICE

Spark Plugs Replace.

Control Valve Check linkage.

Perform 8 hour service in addition to the following:

Fork Carriage Check for side play and check chain

Pressure Gun Fittings - Lubricate.

adjustment if carriage is not level.

Mast and Carriage - Lubricate sliding and

Lift Chains Remove, clean and inspect for wear and

roller contact surfaces.

broken or cracked links. Install, adjust, and

Oil Can Points - Lubricate.

lubricate.

Lift and Tilt Cylinders - Inspect for

Brake Master Cylinder Check fluid level.

leaks.

Wheel Cylinders and Brake Shoes Inspect.

Air Cleaner - Check and service element.

Hoses, Tubes, and Fittings Inspect and replace if

Battery - Check electrolyte level and

necessary. Correct any leaks that are evident.

charge condition.

Steer Wheel Bearings Clean and lubricate.

Wiring and Connections - Check insulation

Crankcase Vent Valve (if so equipped) Remove and

and make certain connections are tight.

clean.

Clean Truck- Use industrial type vacuum

Universal Joint Check and adjust if necessary.

cleaner or light air pressure (40 psi max.).

Parking Brake Check and adjust if necessary.

Adjust valve clearance after first SO

hours of operation.

F. 1000-HOUR SERVICE

C. 100-HOUR SERVICE

Perform 8, 50, 100, 200, and 500 hour service in

Perform 8 and 50 hour service in addition to the

addition to the following:

following:

Cooling System - Drain, flush, and refill.

Lift Chains Clean and inspect for bent or cracked links.

Differential - Drain oil and refill.

Inspect for adjustment and lubricate.

Power Shift Transmission - Drain fluid and

Differential level Check Oil.

refill.

Drive Axle Housing Breather Check and clean.

Hydraulic Oil Reservoir - Drain hydraulic

oil, flush, and refill.

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