Genie ZX-135/70 Service Manual page 48

August 2014
When the Service Bypass/Recovery key switch is
turned and held to the recovery position, the
auxiliary power units will turn on and fully retract
the boom and then lower the boom. This feature of
the machine is especially helpful if the operator in
the platform cannot lower the boom, if the platform
controls become inoperative or for returning the
machine to a safe position when the safety
switches have been tripped.
1 Run
2 Service / Bypass
3 Recovery
Note: Perform this procedure with the axles
retracted and the boom in the stowed position.
1 Open the ground controls side turntable side
cover.
2 Pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
Part No. 218700
Checklist B Procedures
3 At the ground controls, turn the service
bypass/recovery key switch to the run
position.
4 Turn the main key switch to ground control,
start the engine and then turn the key switch
to platform control.
5 Check any machine function from the ground
controls.
Result: The machine functions should not
operate.
6 Turn the main key switch to ground control.
7 Check any machine function from the platform
controls.
Result: The machine functions should not
operate.
8 Turn the main key switch to the off position.
Result: The engine should stop and no
functions should operate.
9 Turn the main key switch to ground control
and start the engine.
10 Attempt to raise the primary boom above
10 degrees.
Result: The boom should not raise above
10 degrees.
Note: The primary boom will not raise until the
axles are fully extended.
11 Remove the key from the main key switch and
insert the key into the service bypass/recovery
key switch.
Note: The main key switch should remain in the
ground control position.
ZX-135/70
Service Manual
33