Product Manual
Operator's Manual Fifth Edition • Third Printing
Work Area Safety
14 GR-12 • GR-15 • GR-20 Part No. 133571
Limit travel speed
according to the condition
of the ground surface,
congestion, slope,
location of personnel, and
any other factors which
may cause collision.
Do not operate a machine in the path of any crane
or moving overhead machinery unless the controls
of the crane have been locked out and/or
precautions have been taken to prevent any
potential collision.
No stunt driving or horseplay while operating a
machine.
Bodily Injury Hazard
Do not operate the machine with a hydraulic oil or
air leak. An air leak or hydraulic leak can penetrate
and/or burn skin.
Improper contact with components under any
cover will cause serious injury. Only trained
maintenance personnel should access
compartments. Access by the operator is only
advised when performing a pre-operation
inspection. All compartments must remain closed
and secured during operation.
Explosion and Fire Hazards
Do not operate the machine or charge the battery
in hazardous locations or locations where
potentially flammable or explosive gases or
particles may be present.
Damaged Machine Hazards
Do not use a damaged or malfunctioning machine.
Conduct a thorough pre-operation inspection of the
machine and test all functions before each work
shift. Immediately tag and remove from service a
damaged or malfunctioning machine.
Be sure all maintenance has been performed as
specified in this manual and the appropriate Genie
service manual.
Be sure all decals are in place and legible.
Be sure the operator's, safety and responsibilities
manuals are complete, legible and in the storage
container located on the machine.
Component Damage Hazard
Do not use any battery charger greater than 24V to
charge the batteries.