TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 658 of 1337

TM 9-2320-260-20

8-15. BLEEDING SERVICE BRAKE SYSTEM

(Contd)

NOTE

●

Air-hydraulic cylinder must be bled before bleeding wheel

cylinders.

• When bleeding all wheel cylinders, start with the wheel cylinder

farthest from air-hydraulic cylinder.

●

When brake line is removed, bleed wheel cylinder at that

wheel only.

21. Clean bleeder screw (11) on wheel cylinder (10).

22. Place hose (5) on bleeder screw (11) and place opposite end of hose (5) in container (6) half full of

brake fluid. Ensure hose (5) is below fluid level in container (6).

23. Open bleeder screw (11) and allow brake fluid to flow from wheel cylinder (10) until no air bubbles

are observed in container (6).

24. Close bleeder screw (11), disconnect hose (5), and properly dispose of fluid from container (6).

Tighten bleeder screw (11) 10-20 lb-ft ( 14-27 N•m).

8-33