TM 9-2320-260-20
THIS TASK COVERS:
a. Pressure Bleeding Method
b. Manual Method
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INITIAL SETUP
APPLICABLE MODELS
PERSONNEL REQUIRED
Two
All
REFERENCES (TM)
MATERIALS/PARTS
Hose
TM 9-2320-260-10
TM 9-2320-260-20P
Screw-assembled lockwasher
Brake fluid (Appendix C, Item 8)
EQUIPMENT CONDITION
Rags (Appendix C, Item 22)
Parking brake set (TM 9-2320-260-10).
Four locknuts
I
a. Pressure Bleeding Method
1.
Remove screw-assembled lockwasher (1) from crossmember (11) and open master cylinder access
panel (2). Discard screw-assembled lockwasher (1).
2.
Clean surface of master cylinder filler plug (3) with clean rag.
3.
Remove filler plug (3) and check that master cylinder (4) is at proper fluid level.
4.
Install bleeder adapter (7) on master cylinder (4),
NOTE
Prior to installation, check that bleeder tank is filled with recom-
mended brake fluid, pressurized at 20-30 psi (138-178 kpa), and
valve is off. Follow manufacturer's instructions for purging and
preparation.
Connect bleeder tank hose (6) on bleeder adapter (7) and open tank valve (5).
5.
Check hydraulic system for leaks. Correct as necessary.
6.
7.
Clean bleeder screw (8) on master cylinder (4) with clean rag.
8.
Place hose (10) on bleeder screw (8) and place opposite end of hose (10) in a clear container (9) half
full of brake fluid. Ensure hose (10) is below brake fluid level in container (9).
9.
Open bleeder screw (8) and allow brake fluid to flow from master cylinder (4) until no air bubbles
are observed in container (9).
10.
Close bleeder screw (8). Tighten bleeder screw (8) 10-20 lb-ft (14-27 Nm).
11.
Remove hose (10) from bleeder screw (8) and properly dispose of fluid in container (9).
8-30
