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TM 9-2320-360-20-1
SERVICE BRAKE RELAY VALVE
TEST
(1)
Start engine (TM 9-2320-360-10).
(2)
Build up air pressure to 125 psi (862 kPa).
(3)
Release parking brake (TM 9-2320-360-10).
(4)
Apply and release service brake
(TM 9-2320-360-10).
WARNING
Do not remove air line from
relay valve. Air pressure
may be present at air line.
Failure to comply may result
in injury to personnel.
(5)
Shut off engine (TM 9-2320-360-10)
(6)
Loosen air line on service port of service brake
relay valve No air should be present
(7)
Tighten air line on service port of service brake
relay valve
(8)
Apply parking brake (TM 9-2320-360-10).
Change 2 2-731
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