Service and Repair Manual June 2021
Platform Overload Components
108 GS
™
-84 • GS
™
-90 Part No. 1306587GT
12-1
Platform Overload System (if
equipped)
How to Calibrat e the Platform Overload Syst em (if equipped)
How to Calibrate the Platform
Overload System
Machines with platform overload systems, proper
calibration is essential to safe machine operation.
An improperly calibrated platform overload system
could result in the system failing to sense an
overloaded platform. The stability of the machine
is compromised and it could tip 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
-4390, GS-5390 1500 l
681 k
3 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at the platform controls.
4 Pull out the red Emergency Stop button at the
ground controls and momentarily activate the
calibration toggle switch in the up position
3 times.
Result: The red LED is on and the LCD
screen displays LOAD.
1 calibration toggle switch
2 LCD screen
3 red LED
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