TM 9-2320-279-34-2
Brake System Maintenance Instructions (Cont)
NOTE
Three tabs on retainer must lock on housing.
(21)
Install retaining plate (30) on housing (2).
(22)
Install sleeve (31) on housing (2).
(23)
Install cover (32) and three screws (33) with
captive lockwashers (34) on housing (2).
NOTE
Plunger must be in contact with spring seat. Adjust
stop button so rollers and plunger contact each other.
Poller must turn freely by hand.
(24)
Install stop button (35) and nut (36) on
cover (32).
d. Testing.
(1)
Install eight pipe plugs (1) in four
ports (2) on each side of treadle valve (3).
(2)
Install two pipe plugs (4) in upper
ports (5 and 6) on backside of treadle
valve (3).
(3)
Install air pressure gage (7) in lower
delivery port (8) on backside of treadle
valve (3).
(4)
Install air supply fitting (9) in lower
supply port (10) on backside of treadle
valve (3).
NOTE
Air pressure should be from 80 to 120 psi (552
to 827 kPa).
(5)
Install air supply line (11) on air supply
fitting (9).
Change 2
11-55
