How To Prime The Pump - Genie Z-80/60 Service And Repair Manual

September 2016
3 Tag and disconnect and plug the hydraulic
hoses from the drive and function pumps. Cap
the fittings on the pumps.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
4 Support the pump with a lifting device and
remove the pump mounting fasteners.
5 Carefully pull the drive pump out until the pump
coupler separates from the flex plate.
6 Remove the drive pump from the machine.
Component damage hazard. Be
sure to open the two hydraulic
tank valves and prime the pump
after installing the pump.
Part No. 1268556
Hydraulic Pumps

How to Prime the Pump

How to Prime the Pump
Component damage hazard. Be
sure that the hydraulic tank
shutoff valves (if equipped) are in
the open position before priming
the pump. The engine must not
be started with the hydraulic tank
shutoff valves in the closed
position or component damage
will occur.
1 Connect a 0 to 600 psi / 0 to 40 bar pressure
gauge to the diagnostic nipple on the drive
pump.
2 Continental models: If equipped, close the
valve on the LPG tank, then disconnect the
hose from the tank. Move the fuel select toggle
switch to the LPG position.
Deutz and Perkins models: Disconnect the
engine wiring harness from the fuel solenoid at
the injector pump.
3 Crank the engine with the starter motor for
15 seconds, wait 15 seconds, then crank the
engine an additional 15 seconds or until the
pressure reaches 300 psi / 20.7 bar.
4 Continental models: If equipped, connect the
LPG hose to the LPG tank and open the valve
on the tank.
Deutz and Perkins models: Connect the
engine wiring harness to the fuel solenoid.
5 Start the engine from the ground controls and
check for hydraulic leaks.
Service and Repair Manual
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