Section LV. CARRIER REAR SERVICE BRAKE ASSEMBLY
506. General
b. Installation.
Install the carrier rear service
The carrier rear service brake assembly is a two shoe,
brakeshoe, (para. 242).
automotive-type, air-actuated brake.
The friction set up between the relative motion of the
brakeshoe linings and the brakedrum retards the motion
of the wheels on the carrier axle.
507. Carrier Rear Service Brake Assembly Removal
and Disassembly
a. Removal.
Remove the carrier rear service
brakeshoe (para. 242).
b. Disassembly.
Disassemble the carrier rear
service brake assembly in numerical sequence as
illustrated on figure 251.
508. Carrier Rear Service Brake Assembly Cleaning,
Inspection, and Repair
a. Cleaning. Clean all parts with an approved
cleaning solvent and dry thoroughly.
b. Inspection and Repair. Inspect all parts for
excessive wear and damage. Replace and repair all
defective parts.
509. Carrier Rear Service Brake Assembly
Figure 251. Carrier rear service brakeshoe assembly,
Reassembly and Installation
exploded view.
a. Reassembly. Reassemble the carrier rear service
brake assembly in the reverse of the numerical sequence
as illustrated on figure 251.
Section LVI. CARRIER TREADLE VALVE ASSEMBLY
510. General
b. Disassembly. Disassemble the carrier treadle
The treadle brake valve is fitted with a treadle which
valve assembly in numerical sequence as illustrated on
is a part of the brake valve. Movement of the treadle
operates an inlet and exhaust valve within the treadle
brake valve which controls the air pressure delivered to
512. Carrier Treadle Valve Assembly Cleaning,
the brake actuators. To fully apply the brakes, the treadle
Inspection, and Repair
or brake pedal must be fully depressed.
a. Cleaning. Clean all parts with an approved
When the treadle or brake pedal is only partially
cleaning solvent and dry thoroughly.
depressed, correspondingly less braking force is
b. Inspection and Repair. Inspect all parts for
developed.
excessive wear and damage. Replace or repair all
defective parts.
511. Carrier Treadle Valve Assembly Removal and
Disassembly
513. Carrier Treadle Valve Assembly Reassembly and
a. Removal. Remove the carrier treadle valve
Installation
assembly.
a. Reassembly. Reassemble the carrier
AGO 6819A
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