TM 9-2320-289-20
7-6.
SERVICE BRAKE SYSTEM BLEEDING INSTRUCTIONS.
This task covers:
a. Pressure Bleeding
b. Manual Bleeding
INITIAL SETUP:
Equipment Condition
Materials/Parts
• Master cylinder filled to proper level,
• Brake fluid (Item
(See LO 9-2320-289-12)
Tools/Test Equipment
Personnel Required
• Combination valve depressor, J-23709
• MOS 63B (2)
(During MANUAL
General Safety Instructions
• Always wear goggles when bleeding brakes.
6, Appendix C)
BLEEDING only.)
a.
PRESSURE BLEEDING
WARNING
Always wear goggles when bleeding brakes.
may result in serious eye injury.
CAUTION
Failure to follow this warning
When using a pressure bleeding tank, follow manufacturer’s instructions
for use. Fill pressure bleeding tank at least 1/3 full of brake fluid. Failure to
follow this caution may result in damage to pressure bleeding tank or
brake system.
NOTE
PRESSURE BLEEDING procedures should be used
pressure bleeding equipment is not available,
manually.
1.
Loosen mounting bolt and install
combination valve depressor (1) on
combination
valve (2). Tighten
whenever possible. If
bleed brake system
mounting bolt and combination valve
depressor in place.
2.
Build up tank pressure to 20-25 psi
(138-172 kPa).
7-10
