CLEANING - TM-9-2320-285-24-10911

TM 9-2320-285-24-1

2-78. FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE (CONT)

b. Hydraulic Filter and Lines and Fittings (cont).

(2) Lines and Fittings (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

CLEANING

a. All hoses

Clean

Use clean cloth moistened

with clean hydraulic oil

WARNING

Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable. Wear

protective goggles and gloves and use only in a well ventilated area. Avoid contact with

skin, eyes, and clothes and don't breathe vapors. Do not use near open flame or

excessive heat and don't smoke when using it. Failure to do so could cause serious

injury. If you become dizzy while using cleaning solvent, get fresh air and medical

attention immediately. If contact with skin or clothes is made, flush with large amounts of

water. If contact with eyes is made,

wash eyes with water and seek

medical aid immediately.

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 possi ble

blindness. If you hurt your eyes or if a foreign object is blown into your eyes, seek

medical attention immediately.

b. All other parts

Clean

Use cleaning solvent P-D-680;

dry with compressed air or

clean cloths

INSPECTION

a. Velocity fuses

Inspect

Replace if cracked, inopera-

(33 and 45)

tive, or threads damaged

and bleed

valve (14)

b. All hose assem-

Inspect

Replace if cracked, worn,

blies

chafed, broken, or threads

damaged

c. All other parts

Inspect

Replace if cracked, split, or

threads damaged

2-888