TM-9-2320-279-20-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 2 OF 3

TM-9-2320-279-20-2 - Page 297 of 938

TM 9-2320-279-20-2

Wheel Maintenance Instructions (Cont)

12-3. HUB, WHEEL BEARING, AND WEAR RING REMOVAL/INSTALLATION, NO. 3

AND NO. 4 AXLES (MODEL 480) (M977, M978, M983, M985) (CONT).

(10)

Soldier A and Soldier B install hub (2).

(11)

Pack outer bearing (9) with grease and install.

NOTE

Inner adjusting nut has a machined surface.

(12)

Install inner adjusting nut (10) with machined surface against outer bearing (9).

NOTE

Rotate wheel hub during adjustment.

(12.1)

Tighten inner adjusting nut (10) to 200 lb-ft (271.2 N•m).

(13)

Loosen inner adjusting nut (101 and retighten to 50 lb-ft (67.8 N•m). Hub (2) should turn easily.

(14)

Loosen inner adjusting nut (10) 1/8 turn.

(15)

Install tanged lockwasher (11).

(16)

Install outer adjusting nut (12) and tighten to 250 lb-ft (339 N•m).

12-14

Change 2