Platform Overload Components; Platform Overload System - Genie GS-2669 RT Service Manual

Section 4 • Repair Procedures

Platform Overload Components

14-1

Platform Overload System

How to Calibrate the Platform
Overload System (if equipped)
On 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: For troubleshooting information refer to page
4 - 82.
1 Models with outriggers: Deploy the outriggers
and level the machine.
2 Apply a thin layer of dry film lubricant to the
area of the chassis where the scissor arm wear
pads make contact.
3 Disconnect the platform controls from the
machine at the platform.
4 Open the side covers at the ground controls side
of the machine.
5 Locate the Electronic Control Module (ECM) wire
harness 6 pin connector to platform controls
connection below and behind the control box.
4 - 78 GS-2669 RT • GS-3369 RT • GS-4069 RT
6 Tag and disconnect the platform controls wire
harness from the ECM wire harness.
7 Securely connect the platform controls to the
ECM wire harness.
8 Using a suitable lifting device, place a weight, in
the center of the platform floor. Secure the
weight to the platform. Refer to the chart below.
GS-2669
GS-3369
GS-4069
9 Turn the key switch to platform controls and pull
out the red Emergency Stop button to the on
position at both the ground and platform
controls. Start the engine.
10 Raise the platform to approximately 10 ft / 3 m.
11 Lower the platform until the down limit switch
activates and the platform stops lowering.
12 Locate a supporting device under the platform.
Do not apply any lifting pressure.
13 Loosen the retaining ring and remove the switch
adjustment cover from the pressure switch.
Note: The pressure switch is located on the lower
lift cylinder.
November 2014
1500 lb / 680 kg
1000 lb / 454 kg
800 lb / 363 kg
Part No. 229753