T M 9 - 2 3 2 0 - 2 7 9 - 2 0 - 2
Brake and Air System Maintenance Instructions (Cont)
(5) Remove six air lines (11) from
brake treadle valve (5).
(6) Remove brake treadle valve (5) and
mounting plate (10).
NOTE
Record location and position of
switches, fittings, and plugs.
(7) Remove two switches (12) six
fittings (13), and three plugs (14).
(8) Remove four screws (15),
lockwashers (16), and mounting
plate (10).
b. Disassembly.
(1) Mount brake treadle valve (1) in vise with soft jaws, pedal (2)
(2) Remove cotter pin (3) pivot pin (4) and pedal (2).
(3) Remove screw (5) cup washers (6) and diaphragm (7).
(4) Remove cotter pin (8), pin (9), and two rollers (10).
(5) Remove pedal cover (11).
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