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TM 9-2320-386-24-1-1
0154 00
SERVICE BRAKE SYSTEM BLEEDING (Contd)
BLEEDING AIR-HYDRAULIC CYLINDERS
NOTE
Start with the left-hand air-hydraulic cylinder. Repeat all steps
for the right-hand air-hydraulic cylinder, after ensuring that the
master cylinder reservoir has been refilled.
1.
Using clean rag, clean bleeder screw (3) on air-hydraulic cylinder (6).
2.
Install one end of bleeder hose (5) on bleeder screw (3).
3.
Place other end of bleeder hose (5) into transparent container (4).
4.
Fill transparent container (4) with silicone brake fluid until transparent container (4) is one-half
full.
5.
Ensure that end of bleeder hose (5) is below level of fluid in transparent container (4).
NOTE
Assistant will help with steps 6 through 9.
6.
Slowly pump brake pedal three times and hold pedal down after last pump until told to release.
7.
Loosen bleeder screw (3) three-fourths of a turn.
8.
Look for air bubbles in silicone brake fluid in transparent container (4).
9.
Tighten bleeder screw (3), have assistant release pedal, and fill master cylinder reservoir (2) with
silicone brake fluid.
10.
Repeat steps 6 through 9 until there are no air bubbles in transparent container (4).
11.
Remove bleeder hose (5) from bleeder screw (3) and transparent container (4).
12.
Ensure bleeder screw (3) is tightened and master cylinder reservoir (2) is full.
13.
Dispose of silicone brake fluid in transparent container (4) in approved disposal area.
14.
Repeat steps 1 through 13 for right-hand air-hydraulic cylinder.
3
2
~
5
6
4
0154 00-3
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