TM-9-2320-273-20

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE

NOVEMBER 1980

TM-9-2320-273-20 - Page 364 of 1500

TM 9-2320-273-20

COOLING SYSTEM.

Install; hand tighten

machine bolts (1).

Install over fan clutch

(8) and accessory drive

pulley (7).

CAUTION

4-45. FAN CLUTCH AND BELTS MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

B. INSPECTION.

6. Actuator outlet line (3).

Check for:

Replace if necessary.

a. Leaks.

b. Kinks.

c. Cracks.

d. Damaged threads.

7. Two fan belts (6).

Check for:

Replace if necessary.

a. Cuts.

Belts must be replaced

b. Wear.

as a matched set.

C. INSTALLATION.

8. Fan clutch (8), three

Be sure fan lockup screw

machine bolts (1), three

Iockwashers (2), and two

(10) is backed out. Flat

washers (9) are used with

flat washers (9).

the two lower machine

bolts (1).

9. Two fan belts (6).

Rotate fan clutch (8)

toward accessory drive

pulley (7) for ease of

installation.

Fan lockup screw (10) should not be used

unless clutch stops functioning and engine

begins to overheat.

4-172