Change 1 2-631
TM 9-2320-366-34-1
SCAVENGE PUMP SUCTION TEST
CAUTION
Shut down engine immediately when test is
completed. Failure to comply may result in
damage to equipment.
(1) Place drain pan under transfer case.
(2) Disconnect scavenge pump suction hose at
transfer case.
(3) Connect batteries (TM 9-2320-366-20-3).
(4) Start engine (TM 9-2320-366-10-1).
(5) If oil drips or runs from fitting on transfer case,
replace scavenge pump assembly (para 7-16).
(6) Shut down engine (TM 9-2320-366-10-1).
(1) Place end of hose in a cup containing
approximately one pint of oil.
(2) Start engine (TM 9-2320-366-10-1).
(3) Select neutral on WTEC III TPSS
(TM 9-2320-366-10-1) and note if oil is
immediately sucked into hose by scavenge
pump.
(4) If oil is not immediately removed from cup,
replace scavenge pump assembly
(para 7-16).
(5) Shut down engine (TM 9-2320-366-10-1).
(6) Connect scavenge pump suction hose to
transfer case.
(7) Remove drain pan.
