October 2018
Service and Repair Manual
Axle Components
Part No. 1268557GT
Z®-135
/70
161
How t o C alibr at e All St eer Sensors
How to Calibrate All Steer
Sensors
Note: This procedure will only need to be performed
if the ground controls circuit board (TCON) has
been replaced.
Note: Perform this procedure with the axles
retracted and the tires straightened.
Note: Use the following chart to identify the
description of each LCD screen control button used
in this procedure.
Plus
Minus
Previous
Enter
Before serial number 321:
1
Locate the 2 pin connector in the lower left
hand area of the ground control box.
2
Remove the connector plug and insert a
jumper wire between the two pins of the
connector.
After serial number 320:
3
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.
4
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:
5
Turn the key switch to ground controls and pull
out the ground controls red Emergency Stop
button to the on position.
6
Loosen the steer angle sensor cover retaining
fasteners. Do not remove the fasteners or the
sensor cover.
7
Using a voltmeter set to DC voltage, probe the
back of the electrical connector at pins B and
C.
8
Left front (square-end, blue side) and right
rear (circle-end, yellow side) angle
sensors:
Rotate the sensor cover clockwise or
counterclockwise until the voltage reading is
between 1.4 to 1.6V DC. Tighten the sensor
cover fasteners.
Right front (square-end, yellow side) and
left rear (circle-end, blue side) angle
sensors:
Rotate the sensor cover clockwise or
counterclockwise until the voltage reading is
between 3.4 to 3.6V DC. Tighten the sensor
cover fasteners.
Note: If available, WebGPI can also be used for this
procedure.
9
Remove the key from the main key switch.
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.
10 Push in the red Emergency Stop button to the
off position.
Summary of Contents for Genie Z-135/70
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Page 37: ...October 2018 Service and Repair Manual Specifications Part No 1268557GT Z 135 70 23 T ...
Page 135: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 121 ...
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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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