Platform Overload System (If Equipped) - Genie ZX-135/70 Service And Repair Manual

October 2016
2-5
Platform Overload System (if
equipped)
Proper calibration of the platform overload system
is essential to safe machine operation. Continued
use of 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.
How to Calibrate the Platform
Overload System (if equipped)
Note: Perform this procedure with the machine on a
firm, level surface.
1 Level the platform.
2 Determine the maximum platform capacity.
Refer to the machine serial plate.
3 Using a suitable lifting device, place an
appropriate test weight equal to that of the
maximum platform capacity at the center of the
platform floor.
Part No. 1268558
Platform Components
Determine the limit switch trigger point:
4 Gently move the platform up and down by
hand, so it bounces approximately 1 to
2 inches / 2.5 to 5 cm. Allow the platform to
settle.
Result: The overload indicator light and the
alarm is on. Slowly tighten the load spring
adjustment nut by turning it clockwise just until
the overload indicator light and alarm turns off.
Note: The platform will need to be moved up and
down and allowed to settle in between adjustments.
Note: There may be a 2 second delay before the
overload indicator lights flash and the alarm
sounds.
Result: The overload indicator light and
alarm is off. Slowly loosen the load spring
adjustment nut by turning it counterclockwise
just until the overload indicator light and alarm
turn on.
Note: There may be a 2 second delay before the
overload indicator lights flash and the alarm
sounds.
Note: The platform will need to be moved up and
down and allowed to settle in between adjustments.
ZX-135/70
Service and Repair Manual
37