TM 9-2330-203-14&P
4-24. BLEEDING HYDRAULIC BRAKE SYSTEM (M1
97A1 AND M198A1).
This task covers:
a Manual Bleeding
c
Pressure Bleeding
Initial Setup:
Equipment Conditions:
Materials/Parts:
Dolly coupled towing vehicle (manual bleeding)
Plastic tube
Tools/Test Equipment:
General mechanic's tool kit
Bleeder tube
Pressure bleeder
a. MANUAL BLEEDING
WARNING
Dry cleaning solvent, P-D-680, Is toxic and flammable. Always wear protective goggles and gloves,
and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT
breathe vapors. DO NOT use near open flame or excessive heat. The solvent's flash point is
100F-138F (38C-590C). If you become dizzy while using cleaning solvent, Immediately get fresh
air and medical help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
NOTE
Plastic tube should be approximately 18 in. (46 cm) long.
Use a clean, clear Jar or bottle to hold brake fluid.
1.
Clean bleeder valve (1) with dry cleaning solvent and rags.
2.
Attach plastic tube (3) to bleeder valve (1).
3.
Submerge free end of plastic tube (3) in jar (2) containing approximately 3 in. (7.6 cm) of clean brake fluid.
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