CLEANING - TM-10-3930-638-24-P1031

TM 10-3930-638-24&P

4-6. REAR AXLE TRUNNION (cont)

REMARKS

ACTION

ITEM

STEP

LOCATION

CLEANING (cont)

Use cleaning solvent P-D-680. Dry thor-

Clean

All parts

oughly with moisture free compressed air

INSPECTION

Replace if cracked or broken, or if threads

Inspect

Grease fittings (1)

damaged

and pivot pins (5)

Inspect

Replace if scored, worn or damaged

Washers (3 and 4) and

bushings (7)

Inspect

Repair by welding if cracked or if welds

Trunnion (6)

broken. Replace if severely cracked or

otherwise damaged

INSTALLATION

Install

Use rod that will contact outer race of

a. Two bushings (7)

Rear axle

bushing, and press bushing into pivot

trunnion

bore of trunnion until flush with surface

of trunnion

Position

Use chain hoist with eye bolts to raise

b. Trunnion (6)

trunnion until holes in vehicle frame and

trunnion are aligned

WARNING

Be sure vehicle is securely blocked and chain hoist is securely at-

tached to trunnion before performing following steps. Failure

to do so could cause serious injury or death by equipment fall-

ing on you.

NOTE

Make sure pivot pins (5) are clean and free of grease or oil before

installation.

From inside of trunnion, insert pins through

Install

c. Pivot pins (5)

trunnion and frame

Install and

Use chain wrench or pipe wrench on grease

d. Two large washers (4),

fitting end of pivot pin to prevent pin

tighten

small washers (3)

from turning. Tighten lock nuts (2) to

and new lock nuts (2)

460-500 pounds foot torque

Install and

Until securely mounted

e. Two grease fittings (1)

tighten

f. Two grease fittings (1)

Lubricate

Refer to current lubrication order

4-253 (4-254 blank)