Hydraulic Brake Valve (cont). - TM-10-3930-638-24-P0336

TM 10-3930-638-24&P

2-43. SERVICE BRAKE MAINTENANCE (cont)

c. Hydraulic Brake Valve (cont).

(1) Brake Master Cylinder (cont).

REMARKS

ITEM

ACTION

STEP

LOCATION

CLEANING

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 exces-

sive 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 immediately, and get medical attention. If

contact with skin or clothes is made, flush with large amounts of

water. If contact with eyes is made, wash eyes with water immedi-

ately, and obtain medical aid immediately.

Master cylinder

Use cleaning solvent

Clean

and dry with clean cloth

External only

INSPECTION

Cap screw (1), lock

Inspect

Replace if worn, or if threads damaged

washer (2) and fill

plug (4)

Inspect

Replace master cylinder assembly if

Body (3)

cracked, threads damaged,

REMOVAL

a. Three cap screws (1)

Front chassis,

Loosen and remove Support master cylinder body (3)

and lock washers (2)

bottom left side

Pull and remove

b. Brake master cylin-

From power assist unit

der body (3)

2-298 (Page 2-299 Blank) Change 2