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TM5-4210-229-14&P
Section XXIII. MAINTENANCE OF AIR BRAKE SYSTEM
Para.
Para.
Air Dryer Replacement ...................................... 4-168
General ......................................................................4-164
Air Lines and Piping Replacement .....................4-171
Maxi-Chamber Replacement . .....................................4-166
Air Tank Replacement .......................................4-173
Service Brakes Maintenance ......................................4-169
Brake Drum Maintenance ..................................4-170
Slack Adjuster Replacement .......................................4-165
Brake Pedal Replacement .................................4-174
Valves and Switches Replacement .............................4-172
Compressor Replacement ..................................4-167
4-164. GENERAL.
This section contains information on the maintenance of the air brake system that are maintainable at the
Organizational level.
4-165. SLACK ADJUSTER REPLACEMENT.
This task covers: a. Removal
b. Installation
INITIAL SET-UP
Tools
General Mechanics Tool Kit
Materials/Parts
Slack Adjuster (501294C91)
General Safety Instructions
Engine OFF.
Transmission in (N) neutral.
Parking brake set.
Battery selector switch OFF.
Tires blocked.
REMOVAL
a. Remove cotter pin (1) and rod (2) from clevis (3)
from maxi-brake (4).
b. Remove snapring (5), washer (6), and bushing
(7).
c. Slide slack adjuster (8) from end of brake camshaft
(9).
INSTALLATION
a. With soft faced hammer tap slack adjuster (8) onto
end of brake camshaft (9).
NOTE
Ensure that washer (6) and bushing (7) are
installed to provide a maximum end play of
0.62 in. (1 59 mm) with snapring (5) install-ed.
b. Install bushing (7), washer (6), and snapring (5).
c. Position end of slack adjuster (5) to clevis (3) from
maxi-brake (4) and secure with rod (2) and cotter
pin (1).
d. Remove tire blocks.
4-180
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