TM 55-4920-394-13&P
NOTE
Reservoir selector valve must be in ship reservoir position to perform fill
and bleed procedures.
f.
Press and hold FILTER BLEED valve (5) until system is free of air (bubbles) as shown on sight
gauge.
g.
Place FILL PUMP switch (16) in OFF position.
h.
When the hydraulic systems have been prefilled, check RESERVOIR LEVEL INDICATOR. Refill
the oil reservoir if necessary with hydraulic oil, Military Specification MIL-H-5606 or MIL-H-82382.
2-5. Main Pump Motor Starting Procedure.
a.
Perform preliminary procedures (paras. 2-2, 2-3, 2-4).
CAUTION
Do not impose a load on high pressure pump when starting motor. Fluid
Bypass Valve (24) shall be open at starting.
b.
Place Power On switch (19) in ON Position.
c.
Push Pump On button (17).
NOTE
When operating in TEST STAND RESERVOIR position, observe H.P.
pump inlet pressure. When indicated pressure is below 40 psi, push and
hold start button in an engaged position until pressure exceeds 40 psi.
This is required in order to override the low boost pressure shutdown
switch.
d.
Press FILTER BLEED valve (5) to free system of entrained air.
NOTE
Any fluid bled from system must be replaced using fill pump and system fill
valve. Monitor system pressure on compound gauge with gauge selector
valve in H.P. Pump Inlet position. Pressure shall not exceed 175 psi.
2-6. Adjusting Volume And Pressure Settings . The following procedure shall be performed on the test
stand system.
a.
Perform preliminary procedures (paras. 2-2, 2-3, 2-4, 2-5).
b.
Open FLOW CONTROL valve (22).
c.
Slowly close FLUID BYPASS valve (24).
2-7
