Non-Steer Axle Components; Drive Motors - Terex Genie GR-20J Service Manual

March 2022
Non-S teer Ax le C om po ne nts
11-1
11-1 Drive Mot ors

Drive Motors

How to Remove a Drive Motor
1 Block the steer wheels.
2 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both 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.
3 Fully elevate the jib boom.
4 Support the jib boom with an overhead
supporting device.
Crushing hazard. The jib boom
could fall if not properly
supported.
5 Turn the key switch to the off position and
push in the red Emergency Stop button to the
off position at the ground controls.
Part No. 1312899GT

Non-Steer Axle Components

6 Open the turntable cover at the ground control
side of the machine.
1 cable guard
2 right drive motor assembly
3 left drive motor assembly
4 fasteners
5 chassis
7 Remove the fasteners securing the rear
chassis cover at the non-steer end of the
machine. Remove the chassis cover. Lay the
cover and fasteners to the side.
8 Tag and disconnect the two wire harness
connectors at the steel bar above the drive
motors.
9 Remove the fasteners securing the steel bar
to the chassis. Set the fasteners to the side.
GR ™ -20J • GR ™ -26J
Service Manual
75