TM-9-2320-283-20-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3

DECEMBER 1983

TM-9-2320-283-20-1 - Page 125 of 926

TM 9-2320-283-20-1

Table 2-1.

Unit Level Preventive Maintenance Checks And Services M915A1

Procedures:

Item

Item to be

Not Mission

No.

Interval

Inspected

Capable If:

12

Semi-

Cooling

Use MIL-A-46153 in temperatures

Annual

System

above 0°F (180C) and MIL-A-11755

in temperatures below 0°F (-18°

Continued

C) .

a.

Check coolant condition.

a.

Coolant con-

Test coolant to see if draining

dition/testing

is necessary (TB 750-651).

shows draining

is required.

b.

Check all hoses for loose-

b.

Class III

ness, splits, wear, and cracks

leakage evi-

that would cause leaks.

dent.

Hoses are

loose or have

splits or

cracks.

c.

Inspect hose clamps for wear

c.

Hose

clamps

and serviceability.

are worn or un-

serviceable.

CAUTION

Apply lubricant sparingly to

the fan clutch fitting.

Exces-

sive use of lubricant may cause

grease to enter in the fan pul-

ley grooves causing slippage of

the fan belts.

NOTE

Fan clutch should be lubricated

every 6, 000 miles or 6 months,

whichever occurs first.

13

Semi-

Fan

Lubricate fan clutch with GAA.

Annual

Clutch

Change 1

2-12