Preventive Maintenance Checks and Services for M60A1 AVLB Hull

TM 5-5420-202-20-1

P r e v e n t i v e M a i n t e n a n c e C h e c k s and Services for M60A1 AVLB Hull-

Continued

Location

Not Fully Mission

Procedure

Item to

Interval

Capable if:

Check/Service

No.

Any nuts missing

Check that final drive hub mounting

Sprocket Hub

Semiannual

or loose.

nuts are tight. Do not tighten loose

Left and Right

mounting nuts, replace them.

Sides)

Mounting holes

Check that mounting holes are not

are out of round.

egg-shaped (out of round). Shiny

areas next to mounting nuts indicate

out of round holes.

Use a 0-600 lb-ft torque wrench to

tighten replacement nuts to 450-470

lb-ft (610-637 Nm).

Any class III

Visually check final drive output

leak.

seal for leaks by inspecting lower

part of inboard side of drive sprocket

for evidence of oil. If oil is present,

notify support maintenance final

drive seal is defective.

C h a n g e 4 3-39