Terex Genie GR-20J, Service Manual

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March 2022 Service Manual
Steer Axle Components
Part No. 1312899GT GR ™ -20J • GR ™ -26J 73
10-4 St eer Angle S enso r 10-4
Steer Angle Sensor
How to Replace the Steer Angle
Sensor
1 Adjust the steer tires so they are in a straight
driving position.
2 Turn the key switch to the off position and
push in the red Emergency Stop button to the
off position at both the ground and platform
controls.
3 Tag and disconnect the steer angle sensor
wire harness from the machine wire harness.
4 Remove the plastic cap above the steer yoke
pivot. Set the cap to the side.
5 Carefully remove the sensor activator pin from
the steer yoke pivot. Set the pin to the side.
Note: Inspect the sensor activator pin to confirm it
is not broken or twisted. If the sensor activator pin
is broken or twisted, it must be replaced. Note the
installation and orientation of the old sensor to be
sure the new one is installed correctly.
6 Remove the steer angle sensor retaining
fasteners. Remove the steer angle sensor
assembly.
7 Turn the key switch to platform control and
pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
Note: Rotate the red Emergency Stop button at
platform control one quarter turn in a clockwise
direction to restore the power supply. The red
Emergency Stop button returns automatically to
the out, or on position.
8 Mount the potentiometer onto the plate and
securely tighten with the nut.
1 steer yoke pivot cap
2 potentiometer
3 potentiometer mounting plate
4 fasteners
5 bottom plate
6 sensor activator pin
7 chassis
8 screw
9 With a multimeter set to read 4k ±0.2 ohms,
connect the leads to the green and black
wires of the potentiometer.
10 Adjust the potentiometer until a reading of 4k
±0.2 ohms is obtained.