Terex Genie GR-20J, Руководство по обслуживанию

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March 2022 Service Manual
Steer Axle Components
Part No. 1312899GT GR ™ -20J • GR ™ -26J 71
Steer Axle Components
10-1 Y oke 10-1
Yoke Assembly
How to Remove the Yoke
Assembly
Note: Perform this procedure on a firm, level
surface with the machine in the stowed position.
1 Block the non-steer tires.
2 Loosen the bolts of the wheel at the steer end
of the machine. Do not remove the bolts.
3 Center a lifting jack under the drive chassis at
the steer end of the machine.
4 Raise the machine approximately 6 inches /
15 cm. Place blocks under the chassis for
support.
Crushing hazard. The chassis
will fall if not properly supported.
5 Lower the machine onto the blocks.
6 Remove the bolts from the wheel at the steer
end of the machine. Remove the wheel from
the machine.
7 Support and secure the yoke assembly to an
appropriate lifting device.
8 Remove the top cir-clip from the pin at the
steering rod.
9 Remove the plastic cap above the yoke pivot
shaft. Set the cap to the side.
10 Ground control side: Remove the steer
sensor from the yoke pivot.
11 Remove the retaining fasteners from the yoke
pivot shaft and set aside.
12 Remove the yoke assembly from the
machine.
Bodily injury hazard. The yoke
assembly may fall if not
properly supported when it is
removed from the machine.
10-2 St eer Cylinde r 10-2
Steer Cylinder
How to Remove the Steer
Cylinder
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications,
Hydraulic Hose and Fitting Torque
Specifications.
1 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.
2 Turn the wheels at the steer end of the
machine, 20° to 25° to the right.
3 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.
4 Block the non-steer tires.
5 Remove the pin retaining fasteners from the
top of the steer cylinder barrel-end pivot pin.