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 887 of 926

TM 9-2320-283-20-1

COOLING SYSTEM.

3-65.

FAN AND FAN CLUTCH REPLACEMENT (Continued).

LOCATION/ITEM

ACTION

REMARKS

C.

INSTALLATION (Continued).

15

Two belts (14)

a

Install on items (4) and

(13).

b

Adjust

Refer to paragraph 3-67.

16

Tube (9)

Install on item (8).

17

Fan (3)

a

Lift out of item (15) and

position on item (4).

b

Secure with six items (1)

Torque items (1) to

and (2)

25-31 lb-ft.

18

Upper fan shroud

Install

Refer to paragraph 3-56.

D.

OPERATIONAL CHECK.

19

Engine

Start

Refer to TM 9-2320-

283-10.

20

Fan (3)

a

With temperature below

190°F and air system

pressure below 75 psi,

item (3) should be rotat-

ing

b

When air system pressure

reaches 70-75 psi or more,

item (3) should not be

rotating.

c

With temperatures at or

above 1900F, item (3)

should rotate.

21

Engine

Shutdown.

NOTE

Follow-on maintenance action required:

None.

3-370