CHAPTER 5
DIRECT SUPPORT. GENERAL SUPPORT, AND DEPOT MAINTENANCE REPAIR INSTRUCTIONS
Section I. BRAKE ASSEMBLY
will cause the brake to grab during
48. BRAKE ASSEMBLY DESCRIPTION
operation and thus give an incorrect
reading for the unit being tested.
The brake assembly is composed of a brake
drum and mounting plate assembly (1, fig. 5) and brake
shoe assembly (5). The brake drum and mounting plate
b. Inspection and Repair.
assembly is attached to the drive shaft and the brake
shoe assembly is attached to the steel carrying arm
(1) Inspect brake drum and mounting plate
(30).
The brake assembly can absorb up to 7
assembly (1, fig. 5) for scoring and
horsepower within the specified speed limits.
cracks.
49. BRAKE ASSEMBLY REMOVAL
(2) Inspect all threaded parts for burrs and
stripped threads.
Refer to paragraph 46a.
for removal of the
brake assembly.
(3) Inspect brake shoe assembly (5) for
crystallized brake shoes and cracks.
50. BRAKE ASSEMBLY CLEANING, INSPECTION,
AND REPAIR
Note: No repair will be performed on
any parts of the brake assembly.
a. Cleaning. Clean all foreign matter from metal
Any defective part within an
parts of the brake assembly using a cloth moistened
assembly necessitates replacement
with dry cleaning solvent, Federal Specification P-D-
of that assembly.
680.
51. BRAKE ASSEMBLY INSTALLATION
Note: Prevent brake drum and
mounting plate assembly (1, fig. 5)
Refer to paragraph 46b. for installation of the
and brake shoe assembly (5) from
brake assembly.
coming in contact with oil during
cleaning as oil on either assembly
Section II. BRAKE PRESSURE CONTROL ASSEMBLY
52.
BRAKE PRESSURE CONTROL ASSEMBLY
53.
BRAKE PRESSURE CONTROL ASSEMBLY
DESCRIPTION
REMOVAL
The brake pressure control assembly (9, fig. 5)
Refer to paragraph 47a. for removal of the
is a hydraulic reservoir which supplies hydraulic
brake pressure control assembly (9, fig. 5).
pressure to the brake shoe assembly (5).
Brake
pressure is increased by turning the control cap, located
54.
BRAKE PRESSURE CONTROL ASSEMBLY
on the brake pressure control assembly, clockwise and
INSTALLATION
is decreased by turning it counterclockwise. A plug is
incorporated on the brake pressure control assembly for
Refer to paragraph 47b. for installation of the brake
filling and bleeding the hydraulic reservoir and hydraulic
pressure control assembly (9, fig. 5).
lines.
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