TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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TM 9-2320-366-20-3 Change 1 2-2115 (1) Disconnect main air supply hose from pressure protection valve. (2) Start engine (TM 9-2320-366-10-1). (3) If air is not present from pressure protection valve, replace pressure protection valve (para 11-29). (4) Shut down engine (TM 9-2320-366-10-1). (5) Connect main air supply hose to pressure protection valve.