
May 2021
Service and Repair Manual
Non-steer Axle Components
Part No. 1306585GT
GS
™
-2669 DC • GS
™
-3369 DC • GS
™
-4069 DC
73
Non-steer Axle Components
9-1 Drive Motors
9-1
Drive Motors
How to Remove a Drive Motor
The drive motors are AC powered and are a
brushless design requiring very little maintenance.
They have built-in speed and temperature sensors
which is monitored by the ground controls
(GCON). The speed sensor is a Hall-effect type
and is part of the rear motor shaft bearing. The
temperature switch will shut down the drive motor
if it becomes excessively hot.
1 Disconnect the battery pack from the
machine.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Chock both sides of the wheels at the steer
end of the machine.
3 Center a lifting jack under the drive chassis at
the non-steer end of the machine.
4 Loosen the wheel lug nuts. Do not remove
them.
5 Raise the machine approximately 2 inches /
5 cm. Place blocks under the chassis for
support.
Crushing hazard. The chassis
will fall if not properly supported.
6 Remove the wheel lug bolts. Remove the tire
and wheel assembly.
7 Remove the axle cover.
1 axle cover
2 drive hub
3 axle assembly
8 Tag and disconnect the electrical connectors
for the brake, speed and temperature sensors
at the drive motor.
9 Tag and disconnect the electrical connectors
for the oscillate limit switches.
10 Tag and disconnect the drive motor power
cables from the motor controller in the ground
controls compartment.
Note: The power cables will have to be pulled
through the drive chassis when the axle assembly
is removed.
Summary of Contents for Genie GS-2669 DC
Page 138: ...Service and Repair Manual May 2021 126 Ground Control Box Layout ...
Page 140: ...Service and Repair Manual May 2021 128 Platform Control Box Layout ...
Page 141: ...May 2021 Service and Repair Manual 129 Electrical Schematics Electrical Schematic ...
Page 144: ...Service and Repair Manual May 2021 132 Electrical Schematic ...
Page 145: ...May 2021 Service and Repair Manual 133 Hydraulic Schematics Hydraulic Schematic ...
Page 147: ......