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FIGURE 5-5. BRAKE MANIFOLD AND
COMPONENTS
1. "BR" Hydraulic Tube
2. Rear Brake Accum.
3. Brake Manifold
4. Front Brake Accum.
5. "BF" Hydraulic Tube
.
J5-10
6. Brake Lock Shuttle
Valve
7. Brake Accumulator
Bleed Valves
Rockwell Wheel Speed Front Disc Brakes
BRAKE BLEEDING PROCEDURES
Attach brake lines and bleed brake calipers accord-
ing to the following instructions.
1. Fill hydraulic tank following procedure in Sec-
tion "P", Hydraulic Tank Service.
2. Close brake accumulator drain valves (7, Figure
5-5), if open.
3. Securely attach bleeder hose to highest bleeder
valve of each caliper, direct hose away from
brake assembly and into a container to catch
excess oil.
4. With engine at idle make partial brake applica-
tion of service brake pedal:
a. Maintaining partial application, open bleeder
valve until a clean stream of oil is discharged
from caliper.
b. Close bleeder valve.
5. Repeat above steps until all air is bled from all
calipers.
6. Check hydraulic tank oil level as bleeding takes
place. Maintain correct oil level as needed.
Before returning truck to production, all new
brake linings must be burnished. Refer to "Ser-
vice Brake Conditioning".
10/06 J05024
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