TM 9-2320-289-20
7-6.
SERVICE BRAKE SYSTEM BLEEDING INSTRUCTIONS (Con't).
NOTE
If bleeding rear brakes, it may be necessary to depress brake pedal 8-10
times before seeing first sign of bubbles.
5.
6.
7.
8.
Have an assistant depress brake
pedal. Loosen bleeder valve (6 or 9)
to bleed air from caliper (5) or wheel
cylinder. Open bleeder valve and
observe brake fluid for bubbles.
Tighten bleeder valve, then slowly
release brake pedal.
Wait 15 seconds, then repeat step 5
until brake fluid flows free of bubbles.
Remove hose and install cap (7 or
10).
Fill master cylinder reservoir to
proper level, (See LO 9-2320-289-12)
FOLLOW-ON TASKS:
• Check brake pedal for “sponginess” and brake system warning light for indication of unbalanced
pressure.
• Check operation of brakes,
• Check for leaks.
TA49664
7-13
