Genie S-40 Service Manual page 127

February 2014
4 Support the pump with a lifting device and
remove the two drive 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. The
hydraulic pump may become
unbalanced and fall if not properly
supported.
Models with hydraulic tank shut-off valves:
Component damage hazard. Be
sure to open the two hydraulic tank
valves and prime the pump after
installing the pump.
Models without hydraulic tank shut-off valves:
Component damage hazard. Be
sure to fill the hydraulic tank to
specification and prime the pump
after installing the pump.
How to Prime the Pump
1 Connect a 0 to 600 psi / 0 to 50 bar pressure
gauge to the test port on the drive pump.
2 Remove the safety pin (if equipped) from the
engine pivot plate latch.
Note: The engine pivot plate latch is located under
the engine turntable pivot plate at the counterweight
end of the machine.
3 Open the engine pivot plate latch and swing the
engine pivot plate out and away from the
machine.
Part No. 826364
4 Ford models: Close the valve on the LPG tank
5 Have another person crank the engine with the
6 Ford models: Connect the LPG hose to the
7 Start the engine from the ground controls and
S-40 • S-45 • S-40 TRAX • S-45 TRAX
Section 4 • Repair Procedures
then disconnect the hose from the tank. Move
the fuel select switch to the LPG position.
Perkins models: Disconnect the engine wiring
harness from the fuel solenoid at the injector
pump.
Deutz models: Hold the manual fuel shutoff
valve clockwise to the closed position.
a manual fuel shutoff valve
starter motor for 15 seconds, wait 15 seconds,
then crank the engine an additional 15 seconds
or until the pressure reaches 320 psi / 22 bar.
LPG tank and open the valve on the tank. Move
the fuel select switch to the gasoline position.
Perkins models: Connect the engine wiring
harness to the fuel solenoid.
Deutz models: Release the manual fuel shutoff
valve.
check for hydraulic leaks.
HYDRAULIC PUMPS
a
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