CLEANING (cont) - TM-9-2320-285-24-20331

TM 9-2320-285-24-2

3-33. FIFTH WHEEL MAAINTENANCE (CONT)

d. Fifth Wheel Boom (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

CLEANING (cont)

WARNING

Compressed air must not exceed 30 psi. Wear safety glasses when drying parts with compressed air. Failure to do

so could cause serious injury to eyes and possible blindness. If you hurt your eyes or if a foreign object is blown into

your eyes, seek medical attention immediately.

All parts

Clean

Use cleaning solvent P-D-680;

dry thoroughly with com-

pressed air or clean cloths

INSPECTION/REPAIR

a. Pivot shaft (4)

Inspect

Replace if cracked, broken,

or distorted

b. Boom (5)

Inspect

Inspect for cracks and broken

welds. Repair by welding.

Replace a boom beyond

economical repair

c. Two bushings

Inspect

Replace if cracked, worn, or

(6)

flat spotted

d. All other parts

Inspect

Replace if cracked, broken,

distorted, or threads

damaged

INSTALLATION

Tractor,

a. Two bushings

Install

Use suitable sleeve and

rear(6)

hammer

b. Sling

Attach

To center of boom (5)

c. Hoist

Attach

To sling

d. Boom (5)

Position

In tractor. Keep boom (5)

raised in vertical position

e. Pivot shaft (4)

Install

Slide into tractor and boom

f. Washer (3) and

Install

locknut (2)

g. Boom (5)

Lower

h. Hoist and

Detach and

sling

remove

i. Two lubrication

a. Install

fittings (1)

b. Lubricate

Refer to current lubrication

order

3-325