TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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NOISE CHECK SCAVENGE PUMP SUCTION TEST (1) Engage PTO (TM 9-2320-366-10-1). (2) Listen for unusual noise or increase in noise from PTO. (3) If transmission is noisy when PTO is engaged, transmission gear teeth are faulty and / or PTO gear teeth are faulty. Notify DS Maintenance. (4) Disengage PTO (TM 9-2320-366-10-1). (5) Shut down engine (TM 9-2320-366-10-1). TM 9-2320-366-20-2 Change 1 2-1647 CAUTION (1) Place drain pan under transfer case. (2) Disconnect scavenge pump suction hose at transfer case. (3) Start engine (TM 9 -2320-366-10-1). (4) If oil drips or runs from fitting on transfer case, scavenge is not picking up oil from transmission transfer case causing it to overflow. (5) Perform scavenge pump suction test. (6) Shut down engine (TM 9-2320-366-10-1). (1) Place end of hose in cup containing approximately one pint of oil. (2) Start engine (TM 9-2320-366-10-1). (3) Select neutral at pushbutton shift selector (TM 9-2320-366-10-1) and check if oil is immediately sucked into hose by scavenge pump. (4) Shut down engine (TM 9-2320-366-10-1). (5) If oil is not immediately removed from cup by scavenge pump, scavenge pump is faulty due to worn gears. Notify DS Maintenance. (6) Connect scavenge pump suction hose to transfer case. (7) Remove drain pan under transfer case. Be sure to shut down engine immediately after test has been completed. Failure to comply may result in damage to transmission.