Chapter 2 Safety
9
STABILITY
Use crane on solid, level surface with stabilizers properly extended, and keep vehicle level.
Reduce loads when operating on uneven ground. Keep personnel clear of moving stabilizers.
When you rotate the crane, the load may change from being supported by the stabilizers to the
vehicle suspension. Be cautious as you rotate the crane, because the springs on the carrier
vehicle will respond differently to the load than the tires will.
WINCH
Never use the winch to drag a load into position before lifting. This may sideload the crane or
stress the wire rope beyond safe limits. Equipment damage may result.
When using a winch, always keep the tip of the extension boom as close to the load as practical.
This will prevent the load from swinging out of control when using the rotation (swing) function.
DANGER
DO NOT permit personnel to ride the
boom, loadline, hook or load, as this
action may cause DEATH or serious injury.
Use only specified wire rope for lifting. Retain at least three full wraps of wire rope on the winch
drum at all times.
WIRE ROPE
Before extending the boom, always pay out the wire rope. Failure to do so may overstress the
wire rope and cause a two block condition.
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