Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for 6K Forklift - Continued.

TM 10-3930-660-24-1

UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED

0011 00

Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for 6K Forklift - Continued.

Location

Item To

Man-

Check/

Hours

Item No.

Interval

Procedure

Service

Open right engine access door and check level of coolant in overflow tank.

Radiator

Monthly

With engine warm, level should be between 1/3 and 2/3 full.

a. If level is low, add a 50/50 mixture of antifreeze (Item 6, WP 0323 00)

and water to overflow tank.

b. If arctic grade antifreeze is required, add full strength arctic grade anti-

freeze (Item 5, WP 0323 00) to over flow tank

Drive Belt Inspect drive belt for these conditions:

Monthly

a. Check for cracks, missing pieces, frayed areas and wear. Replace a worn

or damaged belt (WP 0061 00).

b. Check for a stretched belt by pressing midway between the longest span

of the belt. Belt should deflect no more than 1/2 in. (12.7 mm). Replace

belt if stretched.

c. If a new belt still deflects more than 1/2 in. (12.7 mm), belt tensioner

may be defective. Replace tensioner (WP 0061 00).

Hydrau- Replace hydraulic oil filter (WP 0199 00).

Quarterly

lic Oil Fil-

ter

Check coolant in overflow tanks for proper 50/50 antifreeze and water

Quarterly

Coolant

mixture. Refer to MIL-A-46153. If mixture cannot easily be corrected, or if

coolant appears contaminated, drain and refill coolant (WP 0053 00).

Check tension in boom chain. With boom horizontal and fully extended,

Quarterly

Boom

measure chain sag at middle of intermediate boom. Measurement should be

Chain

3 1/4 to 3 1/2 in. (8.3 to 8.9 mm) from bottom of boom to top of chain.

Adjust chain tension if necessary (WP 0193 00).

Check and adjust tension in boom electrical cable and hydraulic hoses (WP

Quarterly

Boom

Electrical 0194 00).

Cable and

Hydrau-

lic Hoses

Check fork bushings for excessive wear and damage. Replace if worn or

Quarterly

Fork

Bushings damaged (WP 0187 00).

and Wear

Pads

Check engine mounts for cracks and damage. Replace a damaged engine

Semi-

Engine

mount (WP 0211 00).

annual

Mounts

0011 00-5