Pressure switch on parking brake (1)
When the parking brake is engaged, this pressure
switch stops the machine travel but the engine can
still be started.
Checking the pressure switch on the parking
brake
(at every use)
To check the efficiency of this pressure switch,
proceed as follows:
- Engage the parking brake and start the engine.
- Attempt to move with the machine. The machine
must not move.
Should that not be the case, contact the TEREXLIFT
Technical Service.
Maintenance
Boom strain gauge (2)
(at every use)
To verify the effi ciency of the strain gauge on the
boom:
- Visually check the wire for damage..
If the wire is damaged, address to GENIE Technical
Service.
If the strain gauge is defective or its wire is broken,
the display will show an error message.
106 GTH-4518ER - GTH-4020ER - GTH-6025ER Part No. 57.0009.0404
Operator’s Manual
First Edition - Third Printing
Summary of Contents for Genie GTH-4020 ER
Page 188: ......