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 Nm).
(13)
Loosen inner adjusting nut (101 and retighten to 50 lb-ft (67.8 Nm). 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 Nm).
12-14
Change 2