November 2021 Maintenance Manual
Annual Maintenance Procedures
Part No. 1305686GT Scissor Lifts 65
9 Follow the menu structure to complete the NO
LOAD calibration procedure.
Result: The ground controls LCD display will
show the following:
Result: Fault code with description is
displayed. Refer to the repair procedure in the
appropriate Service and Repair Manual for
your machine, How to Calibrate the Platform
Overload System.
Note: The FULL LOAD calibration procedure must
be performed if the ground control box has been
replaced.
Note: Ambient temperature must be above 32°F /
0°C before calibrating the platform overload
system.
A-7
Test the Platform Overload
System - GS-69, GS-84, GS-90
Genie specifications require that this procedure be
performed annually OR when the machine fails to
lift the maximum rated load.
Testing the platform overload system regularly is
essential to safe machine operation. Continued
use of an improperly operating platform overload
system could result in the system not sensing an
overloaded platform condition. Machine stability
could be compromised resulting in the machine
tipping over.
Note: Perform this procedure with the machine on
a firm, level surface with all weight, tools and
equipment removed from the platform.
Note: Perform this procedure in an area that is free
of overhead obstructions.
1 Models with outriggers: Fully lower the
outriggers and level the machine.
2 Using a suitable lifting device, place and
secure the maximum rated load in the center
of the platform deck.
-3384. GS-3390
2500 l
1134 k
-2669, GS-4390, GS-5390
1500 l
-3369
1000 l
454 k
800 l
3 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position.
Note: Start the engine if equipped.
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