TM 9-2320-366-34-1
2-969
(11) Shut down engine (TM 9-2320-366-10-1).
(12) Disconnect pressure/flow kit from vehicle and
disassemble test equipment: adapter from hose,
hoses from pressure/flow kit.
(13) Connect supply hose to fitting.
(14) Remove drain pan from under vehicle.
HYDRAULIC PUMP FLOW TEST
(1) Place drain pan under vehicle.
(2) Disconnect supply hose from pressure port at
winch control valve.
(3) Connect hydraulic tester:
(a) Connect winch control valve fitting to hose.
(b) Connect hose to output port of
hydraulic tester.
(c) Connect second hose to input port of
hydraulic tester.
(d) Connect second hose to adapter and adapter
to vehicle supply hose.
(4) Completely open hydraulic tester load valve.
(5) Start and run engine until reaching normal
operating temperature (TM 9-2320-366-10-1).
(6) Engage PTO (TM 9-2320-366-10-1).
(7) Increase engine rpm, using hand throttle,
until 1250-1450 rpm is reached and note
reading on flow meter.
(8) If flow is less than 5 gpm (19 lpm),
replace hydraulic rotary pump (para 16-91).
(9) Decrease engine rpm to 750 rpm.
(10) Disengage PTO (TM 9-2320-366-10-1).
