Stellar® Heavy-Duty Crane Owner’s Manual
STABILITY
Know the crane components and their
capabilities and limitations. Overloading the
crane may result in serious injury to self and
others, and damage to the equipment and
immediate surroundings.
Never exceed manufacturer’s load ratings.
These ratings are based on the machine’s
hydraulic, mechanical, and structural design
rather than stability.
The supporting surface under the service truck
must be able to support the weight of the
machine and its load. Use stabilizer pads if
necessary.
Park the vehicle on level ground and extend
the stabilizers fully out and then down.
Keep feet and legs clear when lowering
stabilizer jacks.
Never operate the crane without making sure
the stabilizers are positioned on stable, flat
ground.
Set the parking brake and disengage the drive
axle before attempting a lift.
LOAD SAFETY
Operate the crane in compliance with the load
capacity chart at all times. Know the weight of
the load being lifted. Do not rely on the
overload device to determine maximum rated
loads. If the crane is picking more than the
maximum rated load, the overload protection
device may be malfunctioning. Discontinue
use immediately and contact Stellar Customer
Service for support.
Never use a sling bar or anything larger than
the hook throat that could prevent the hook
latch from closing. This would negate the safety
feature.
Do not apply side loads to the booms.
Do not leave a crane load suspended or
unattended.
Do not walk under suspended loads.
Do not position any load over a person nor
should any person be permitted to place him or
herself under a load.
Do not use the boom or the winch to drag a
load.
Do not use the crane boom to push downward
onto anything.
ELECTROCUTION
Allow extra space for swaying power lines in
windy conditions. Maintain a clearance in
accordance with ANSI B30.5: 5-3.4.5 Operating
Near Electric Power Lines.
Remember - Death or serious injury can occur
when working near power lines or during
electrical storms.
Use a signal person when operating near
electrical sources.
ENVIRONMENT
Do not operate the crane during electrical
storms.
In extreme cold, allow adequate time to warm
the truck before engaging the PTO. Do not rev
the truck engine and over speed the hydraulic
pumps as permanent damage to the pumps
may occur. Follow the vehicle owner’s manual
regarding operating the vehicle in such adverse
conditions.
In dusty work areas, every effort must be taken
to keep dust and sand out of the moving parts
of the machinery.
In high humidity work areas, keep parts as dry
as possible and well lubricated.
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