TM-9-2320-283-34-1

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

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1983

TM-9-2320-283-34-1 - Page 143 of 624

TM 9-2320-283-34-1

COOLING SYSTEM.

3-18.

FAN CLUTCH REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

A.

DISASSEMBLY (Continued).

NOTE

Support back side of pulley (2) so that shaft and bracket assembly (5) can

be pressed down and removed from pulley assembly

(1).

Since bearings

(3) are originally installed with Loctite® between shaft (10) and bearings

(3), a hydraulic force as high as 2 1/2-tons may be required to move the

pulley assembly.

If shaft is to be reused, a capscrew (26) should be

screwed in end of shaft to protect it from damage.

8.

Shaft and bracket

Remove from item (1).

assembly (5).

9.

Ring (4)

Remove from item (2)

Use snapring pliers.

10. Two bearings (3)

Remove from item (2).

11. Two plugs (7),

Remove from item (5).

nipple (6) and

fitting (95.

B.

CLEANING

12. All parts

Clean

Refer to paragraph 3-4.

C.

INSPECTION.

13. All parts

Inspect

Refer to paragraph 3-5.

14. O-ring (11)

Inspect overall condition

Discard if worn, cracked,

or falling apart.

15 Lockwasher (13)

Inspect tabs

Discard if it looks

like tabs are broken or

cannot be bent back in

place for locking item (14).

3-90