Genie Z-30/20N, Service Manual

Page: 51 / 161

Part No. 139378 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N 4 - 1
June 2011 Section 4 • Repair Procedures
Repair Procedures
Observe and Obey:
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 Repairs Start:
Read, understand and obey the safety rules and
operating instructions in the appropriate
operator's manual on your machine before
attempting any maintenance or repair procedure.
Be sure that all necessary tools and parts are
available and ready for use.
Read each procedure completely and adhere
to the instructions. Attempting shortcuts may
produce hazardous conditions.
Unless otherwise specified, perform each
repair procedure with the machine in the
following configuration:
• Machine parked on a firm, level surface
• Boom in stowed position
• Turntable rotated with the boom between
the non-steer wheels
• Key switch in the off position with the
key removed
• Wheels chocked
• All external AC power supply disconnected
from the machine
About This Section
Most of the procedures in this section should only
be performed by a trained service professional
in a suitably equipped workshop. Select the
appropriate repair procedure after troubleshooting
the problem.
Perform disassembly procedures to the point
where repairs can be completed. Then to
reassemble, perform the disassembly steps in
reverse order.
Symbols Legend
Safety alert symbol—used to alert
personnel to potential personal
injury hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.
Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially hazardous
situation which, if not avoided,
could result in death or serious
injury.
Indicates a potentially hazardous
situation which, if not avoided,
may cause minor or moderate
injury.
Indicates a potentially hazardous
situation which, if not avoided,
may result in property damage.
Indicates that a specific result is expected after
performing a series of steps.
Indicates that an incorrect result has occurred
after performing a series of steps.