Sensor - Genie ZX-135/70 Service And Repair Manual

April 2018
22 Turn the key back to the run position and
remove the key from the bypass/recovery key
switch. Insert the key into the main key switch
and turn it to ground controls.
Note: Be sure that the bypass/recovery key switch
is in the run position before attempting to operate
the machine.
23 Wait approximately 20 seconds and turn the
machine off by pressing the red Emergency
Stop button in.
24 Remove the fastener that was temporarily
installed. Close the control box door and install
the door retaining fasteners.
Note: When the control box door is closed, the
calibration toggle switch is automatically activated
to exit out of calibration mode.
25 Pull out the red Emergency Stop button. Start
the engine and lower the boom to the stowed
position. Be sure there are no calibration faults
shown on the display.
26 Perform a primary boom angle test. Refer to
Maintenance Procedure in the appropriate
Service or Maintenance Manual, Test the
Primary Boom Angle Sensor.
Part No. 1279835GT
4-9
Secondary Boom Angle Sensor
The secondary boom angle sensor is used to limit
the angle of the primary boom relative to the angle
of the secondary boom and gravity.
How to Calibrate the Secondary
Boom Angle Sensor
Note: If the axle sensor has been removed or
replaced, or the turntable level sensor has been
replaced, they must be calibrated first. Refer to
Repair Procedure, How to Calibrate the Axle Angle
Senors or How to Calibrate the Turntable Level

Sensor.

Note: Perform this procedure with the machine on
a firm, level surface.
Note: Use the following chart to identify the
description of each LCD screen control button used
in this procedure.
Plus
1 Push in the ground controls red Emergency
Stop button to the off position. Do not turn the
key switch to the off position.
ZX®-135/70
Service and Repair Manual
Boom Components
Tip-over hazard. Failure to
properly calibrate the machine
could cause the machine to tip
over resulting in death or serious
injury.
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