TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996

TM-9-2320-280-34 - Page 734 of 1258

TM 9-2320-280-34

14 - 27 .

AIR CONDITIONING COMPRESSOR REPAIR (Cont ’d)

20.

Using external snapring pliers, install snapring (3) on seal housing (5).

21.

Using internal snapring pliers, install internal bearing snapring (2) in pulley (6).

22.

Using bearing installer and plastic mallet, install bearing dust cover (8) on pulley (6).

23.

Install woodruff key (7) in compressor shaft (4).

24.

Align front clutch plate (1) with woodruff key (7) and install on rotor pulley (6).

25.

Using shaft protector, tap front clutch plate (1) onto shaft (4) until it seats on clutch shims.

26.

Install nut (9) on compressor shaft (4). Using front plate spanner to hold front clutch plate (1),

tighten nut (9) to 25-30 lb-ft (34-41 N.m).

NOTE

Air gap is the space between front clutch plate and rotor pulley.

27.

Check air gap of front clutch plate (1) with feeler gauge. Air gap should be 0.016-0.031 in.

(0.04-0.079 cm). If air gap is not consistent around the circumference of the front clutch plate (1),

lightly pry up or tap down edge to make gap consistent. If air gap is not' within specifications,

remove rotor pulley (6) (steps b.1 through b.13), add or subtract shims as required, and replace

rotor pulley (6) and front clutch plate (1) (steps d.11 through d.26).

28.

Remove compressor assembly (12) from vise, and place on flat surface.

29.

Remove oil fill plug (10) and O-ring (11). Discard O-ring (11).

30.

Perform steps 9 through 13 in para. 14-17g.

14-134