TM 9-2320-366-20-4
11-14. RELAY VALVE REPLACEMENT (CONT)
(11) Connect three air hoses (14) to fittings (4).
NOTE
Perform step (12) on all models except
M1089.
(12) Connect two air hoses (15) to 90-degree fittings (2).
NOTE
Perform steps (12.1) and (12.2) on M1089.
(12.1) Connect air hose (14) to fitting (4).
(12.2) Connect two air hoses (14) to 45-degree fittings (5.1).
c. Follow-On Maintenance.
(1) Start engine (TM 9-2320-366-10-1) and allow time for air
pressure to reach normal operating air pressure.
(2) Shut down engine (TM 9-2320-366-10-1).
(3) Check around relay valve and hoses for air leaks.
(4) Start engine (TM 9-2320-366-10-1).
(5) Road test vehicle and check for proper brake operation.
(6) Shut down engine (TM 9-2320-366-10-1).
End of Task.
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