MAINTENANCE
MP44.0015
08FEB10
PRIMING THE HAND PUMP
TO
CLOSED
HANDLE
HAND PUMP
TANK
EXT
RET
EXTEND SOLENOID VALVE
1 EXT
2 EXT
3 EXT
4 EXT
1 RET
2 RET
3 RET
4 RET
OPEN
CLOSE
TO
VALVE RELEASE CAM
SHOWN IN
POSITION
OPEN
POSITION
SHOWN IN
WHITE PLASTIC FITTING
1. To prime the hand pump, open one extend and one retract valve using the valve release cams
2. Make sure the valves opened are for the same function, such as 1 EXT and 1 RET.
3. Make sure the tank is full. Although there should be no loss of fluid, make sure the fluid level does not drop more than 1 inch.
4. Pump the hand pump 8 to 10 times. You may be able to see the fluid, flow through the white plastic fitting.
5. Close both valves. Then try to extend or retract the desired room according to the "AUXILIARY HAND PUMP OPERATION" page.
6. Repeat as necessary until the hand pump will function properly.
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