Part No. 43063
Genie Z-30/20
5 - 1
Service Manual - Third pEdition
Section 5 - Troubleshooting Flow Charts
Before Troubleshooting:
Read, understand and obey the safety rules
and operating instructions printed in the
Genie Z-30/20 Operator’s Manual.
Be sure that all necessary tools and test
equipment are available and ready for use.
Read each appropiate flow chart thoroughly.
Attempting shortcuts may produce hazardous
conditions.
Be aware of the following hazards and follow
generally accepted safe workshop practices.
Crushing hazard. When testing
or replacing any hydraulic
component, always support
the structure and secure it
from movement.
Electrocution hazard. Contact
with electrically charged circuits
may 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.
Perform all troubleshooting on a
firm level surface.
Two persons will be required to
safely perform some
troubleshooting procedures.
Troubleshooting Flow Charts
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 flat level surface
· Boom in stowed position
· Turntable rotated with the boom between
the non-steering wheels
· Key switch in the
OFF
position with the
key removed
· Wheels chocked
