lNSPECTION/REPLACEMENT - TM-9-2320-270-20-20398

TM 9-2320-270-20-2

PUSHER AXLE HUB, DRUM, AND BEARING ASSEMBLY- CONTINUED

ACTION

REMARKS

ITEM

LOCATION

lNSPECTION/REPLACEMENT

NOTE

For more information on how to inspect parts, go to the general maintenance instruc-

tions (page 4-1).

Replace defective parts as needed.

Inspect (TM 9-214).

Inner bearing

25.

cone (1)

a. Inspect for cracks across hub face,

Hub (2)

26.

radiating from stud holes, or near

bearing cups (3) and (4).

b. Check for damage or wear on hub face.

c. Inspect for stripped, bent, or broken

wheel studs (5).

Replace any damaged wheel stud,

steps 29 thur 35.

d. Inspect for scored or pitted wheel

bearing cups (3) and (4) and

discoloration.

If hub, wheel studs, and bearing

cups are not damaged, go to step 36.

WARNING

Some parts are heavy. Be careful when handling them. Lifting equipment is needed

when parts weigh over 50 pounds (23 kg) for a single person lift, over 100 pounds

(45 kg) for a two person lift, and over 150 pounds (68 kg) for a three or more person

lift. Do not try to handle heavy parts without lifting equipment. Keep clear of heavy parts

supported only by lifting equipment. Failure to observe this precaution could cause

serious injury or death of personnel.

NOTE

Except as noted, same steps are used to replace inner and outer bearing cups. Inner

bearing cup is shown.

a. Using puller, pull out.

Inner bearing

27. Hub (2)

b. Position new cup (3) square and level.

cup (3)

c. Lay woodblock across cup (3).

4-916