August - Genie ZX-135/70 Service Manual

Service Manual
Hydraulic Pumps
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 pump(s) may become
unbalanced and fall if not
properly supported.
Component damage hazard.
The engine must not be started
with the hydraulic tank shut-off
valves in the closed position or
component damage will occur. If
the tank valves are closed,
remove the key from the key
switch and tag the machine to
inform personnel of the
condition.
158
How to Prime the Drive Pump
1 Connect a 0 to 600 psi / 0 to 50 bar pressure
gauge to either the "A" or "B" test port on the
drive pump.
Perkins models: Disconnect the engine
2
wiring harness from the fuel shutoff solenoid
at the injector pump.
Deutz models: Hold the manual fuel shutoff
valve clockwise to the closed position.
3 Have another person 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 approximately 250 psi / 17 bar.
4 Perkins models: Connect the engine wiring
harness to the fuel solenoid.
Deutz models: Release the manual fuel
shutoff valve.
5 Start the engine from the ground controls.
6 Check for hydraulic leaks.
ZX-135/70

August 2014

Component damage hazard.
Be sure to open the two
hydraulic tank valves before
performing this procedure.
Part No. 218700