Service and Repair Manual
October 2018
Platform Components
42
Z®-135
/70
Part No. 1268557GT
2-3
Platform Level Sensor
The platform level sensor is mounted to the side of
the platform rotator. The platform level sensor is
monitored by the control system to maintain a level
platform through boom range of motion. If a
platform level sensor is replaced, it must be
calibrated prior to machine operation.
How to Calibrate the Platform
Level Sensor
Note: Perform this procedure with the machine on a
firm, level surface.
Note: Perform this procedure with the boom in the
stowed position.
Note: Use the following chart to identify the
description of each LCD screen control button used
in this procedure.
Plus
Minus
Previous
Enter
1
Secure a digital level to one of the side railings
of the platform.
2
Start the machine and level the platform to
gravity. Turn the machine off.
3
Open the ground control box.
Before serial number 321:
4
Locate the 2 pin connector in the lower left
hand area of the ground control box.
5
Remove the connector plug and insert a
jumper wire between the two pins of the
connector.
After serial number 320:
6
Locate the calibration toggle switch at the top
of the ground control box. Activate calibration
mode by moving the toggle switch in the left
direction.
7
Temporarily install a control box door retaining
fastener between the door and the box to
prevent the control box door from moving the
toggle switch while calibrating the machine.
All models:
8
Insert the key into the bypass/recovery key
switch and turn it to the bypass position.
Note: The angle sensor calibration values will not
be saved correctly unless the key switch is in the
bypass position and the calibration toggle switch is
activated.
9
Press and hold the
enter
button on the ground
control panel while turning the key switch to
ground controls. Hold the
enter
button for
approximately 5 seconds.
10 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence:
(plus)(enter)(enter)(plus)
.
Summary of Contents for Genie Z-135/70
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Page 233: ...October 2018 Service and Repair Manual 219 Generator Wiring Schematic ...
Page 236: ...Service and Repair Manual October 2018 222 Hydraulic Generator Welder Option ...
Page 242: ...Service and Repair Manual October 2018 228 Hydraulic Schematic from serial number 535 ...
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