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 370 of 1500

TM 9-2320-273-20

COOLING SYSTEM.

4-46. FAN CLUTCH ACTUATOR MAINTENANCE (M915, M916, M917, M918 & M920) (Continued).

LOCATION/lTEM

ACTION

REMARKS

B. INSPECT AIR LINES.

5. Air

inlet

(4) and outlet

(6) lines.

C.

INSTALLATION.

a.

Inspect lines for:

1. Cracks.

2. Kinks.

b. Inspect elbows and

connectors for:

1. Cracks.

2. Bends.

Replace, if

Replace, if

6. Fan clutch actuator (5).

7. Elbows (3) and (7).

8. Air outlet line (6).

9. Air inlet line (4).

Coat threads with liquid

teflon, screw in.

Coat threads with liquid

teflon, screw in.

Screw connector (2) into

side marked OUTLET.

Screw connector (1) into

side marked INLET.

NOTE

Follow-on maintenance required before

operational check:

Refill radiator; refer to para 4-42C.

D. OPERATIONAL CHECK.

10. Engine.

Start up (see TM 9-2320-273-

11. Fan.

Observe that fan begins to

operate when engine water

temperature (gage on instru-

ment panel in cab) rises above

190°F, (88°C).

necessary.

necessary.

12. Engine.

Shut down (see TM 9-2320-

273-10).

4-178

10.