Controller Adjustments (Before Serial Number Gs9003-41523) - Genie GS-3390 Service Manual

July 2007
REV E
1-3
Controller Adjustments
(before serial number GS9003-41523)
All machine function speeds are determined by the
percentage of total ECM voltage output. The
speeds of the following machine functions may be
adjusted to compensate for wear in the hydraulic
pump and drive motors.
· Raised drive speed
· Fast platform lift speed
· Platform lower speed
· Steer speed
· Platform settling speed
For further information or assistance, consult the
Genie Industries Service Department.
Tip-over hazard. Do not adjust the
lift and/or drive speed higher than
specified in this procedure. Setting
drive speed greater than
specifications could cause the
machine to tip over resulting in
death or serious injury.
Tip-over hazard. This procedure
must only be performed by a
trained service professional.
Attempting this procedure without
the necessary skills will result in
death or serious injury.
Note: Select a test area that is firm, level and free
of obstructions.
Part No. 72863
How to Determine the Revision
Level
1 Turn the key switch to ground controls and pull
out the red Emergency Stop buttons to the on
position at both platform and ground controls.
2 Move and hold the function enable toggle switch
and the platform up/down toggle switch in the
down direction.
Result: The revision level of the ECM will
appear in the LED display window.
GS-3390 • GS-4390 • GS-5390
Section 4 • Repair Procedures
PLATFORM CONTROLS
SYSTEM
20 AMP
Refer to the appropriate
Genie service manual
for code descriptions.
HOUR METER
Function
Enable
c
b
a red Emergency Stop button P1
b platform up/down toggle switch TS66
c function enable toggle switch TS67
a
Stop
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