Troubleshooting And Repair Procedures Shall Be Completed By A Person Trained And Qualified On The Repair Of This Machine; Immediately Tag And Remove From Service A Damaged Or Malfunctioning Machine; Repair Any Machine Damage Or Malfunction Before Operating The Machine; Before Troubleshooting - Terex Genie GR -12 Service Manual

September 2009
Observe and Obey:
Troubleshooting and repair procedures shall be
completed by a person trained and qualified on
the repair of this machine.
Immediately tag and remove from service a
damaged or malfunctioning machine.
Repair any machine damage or malfunction
before operating the machine.
Unless otherwise specified, perform each
repair procedure with the machine in the
following configuration:
· Machine parked on a firm, level surface
· Platform in the stowed position
· Key switch in the off position with the key
removed
· The red Emergency Stop button in the off
position at both ground and platform controls
· Wheels chocked
· All external AC power supply disconnected
from the machine
Part No. 84700

Before Troubleshooting:

Read, understand and obey the safety rules
and operating instructions in the appropriate
operator's manual on your machine.
Be sure that all necessary tools and test
equipment are available and ready for use.
Be aware of the following hazards and follow
generally accepted safe workshop practices.
GR • QSR • QSW
Section 5 • Fault Codes
Fault Codes
Crushing hazard. When testing
or replacing any hydraulic
component, always support
the structure and secure it
from movement.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.

Bodily injury hazard. Spraying

hydraulic oil can penetrate and
burn skin. Loosen hydraulic

connections very slowly to allow

the oil pressure to dissipate

gradually. Do not allow oil to
squirt or spray.
5 - 1