S e c t i o n Il. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 10-3930-633-12

S e c t i o n Il. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

Form 2404 (Equipment Inspection and Main-

3-5. Operator's Preventive Maintenance Checks

tenance Worksheet) at the earliest opportunity.

and Services

To insure equipment fitness for operation at all

3-7. Schedule

times, and to hold corrective maintenance

Perform the Preventive Maintenance Checks and

downtime to a minimum, a regular inspection

Services in accordance with the instructions and

schedule must be established and maintained for

intervals specified in table 3-1.

the tractor. The procedures contained herein,

properly followed, will reveal defects and worn,

Immediately remove from service any

damaged, or substandard parts, and will provide

vehicle evidencing a defect or malfunc-

a record of these findings so these conditions may

tion which might prove hazardous to

be corrected at the next maintenance interval.

operating personnel, or cause further

3-6. Records

damage to equipment. Such defects must

All deficiencies and shortcomings will be noted,

be corrected immediately, regardless of

together with the corrective action taken on DA

scheduled maintenance actions.

Table 3-1. Operator Preventive Maintenance Checks and Services

B = Before Operation

D= During Operation

A = After Operation

W = Weekly

Time Required: 1.2

Time Required: 0.5

Time Required: 0.4

Time Required,2.4

Work

Interval and

Time

Sequence NO

Item to be Inspected

(M H)

Procedure

NOTE

Visually inspect for evidence of fuel and lubricant leaks during daily service

checks.

FUEL TANK AND LINES

0.1

Check fuel level before start-up and replenish fuel supply if necessary.

Do not fill fuel tank when engine is running. Always provide a metal-to-

metal contact between spout and fuel filler neck to prevent possibility of a

static spark. Wipe or rinse away any fuel spillage.

0.3

Check for leaks at tank and fuel line connections to filter and carburetor.

RADIATOR

0.2

Check coolant level and add water or water-antifreeze solution as required to bring

coolant level to FULL. Refer to paragraph 3-8.

0.1

Check for coolant leakage at radiator and hose connections to water pump and

engine.

ENGINE

Check oil level before start-up.

0.1

WHEELS, TIRES AND TUBES

Check wheel mounting nuts for security; tighten nuts as required.

0.2

Check for proper tire pressure. Add air to bring tire pressure (cold) to figure marked

0.1

above each wheel well.

Check tires for cuts, bruises, and imbedded stones, glass, metal or other objects.

0.2

Note tread wear pattern.

HAND BRAKE

Check operation of hand brake to determine if proper tension exists in the applied

0.2

position. Perform adjustment as outlined in paragraph 3-9.

3-2

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