TM-5-5420-202-20-1

M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 1 OF 4

OCTOBER 1985

TM-5-5420-202-20-1 - Page 99 of 1020

TM 5-5420-202-20-1

Preventive Maintenance Checks and Services for M60A1 AVLB Hull -

Item

No.

19

Interval

Semiannual

Location

Item to

Check/Service

Compensating

Idlerwheels,

Roadwheels, Arms

and Hubs (Left

and Right Sides)

- Continued

cloth.

3-26

Change 4

Not Fully Mission

Capable if:

Socket will not fit

or is very difficult

to fit any top

three bolts.

Continued

Procedure

Check for crushed or defective road-

wheel arm inner and outer bearings

at inside of roadwheel as follows:

Using a 3/4 inch socket and socket

wrench, check that socket fits on top

three bolts of roadwheel arm of re-

tainer. If bearings are damaged or

defective, socket will not fit or will

be a very difficult fit.

Looking straight-on at the roadwheel

arm, check the gap between the

roadwheel arm retainer and the

roadwheel arm spacer. Gap should

be equal (approximately 1/4in)

(0.635 cm) all the way around. If

gap is smaller at top and greater at

bottom, check for bearing damage,

bearing dislocation, or a loose bear-

ing assembly retainer nut. Correct

defect. Clean grease from seal assem-

bly. Clean lubricant pressure relief

fitting using a clean, lint-free, dry