TM 9-2320-279-34-2
Brake System Maintenance Instructions (Cont)
11-14. BRAKE TREADLE VALVE REPAIR (CONT).
(6)
Press pedal (12) to several positions between
fully released and fully applied. Delivered
pressure on gage (7) should vary
proportionately with movement of pedal (12).
(7)
Press pedal (12) until treadle valve (3) is fully
applied. Reading on gage (7) should fall off to
zero when pedal (12) is released.
(8)
Remove air supply line (11) from air supply
fitting (9).
(9)
Remove two pipe plugs (4) from upper ports (5
and 6) on backside of treadle valve (3).
(10)
Remove air pressure gage (7) from lower
delivery port (8) on backside of treadle valve (3).
(12)
Remove air supply fitting (9) from lower supply
port (10) on backside of treadle valve (3).
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