Kato SR-300L, Instruction Manual

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WARNING
(7) Before beginning crane operation, lift the load off the ground to
gauge the working condition and confirm that the ground
supports the outriggers adequately. If an outrigger supervisor is
appointed to observe outriggers during operation, safety will be
enhanced.
(8) Use of anchors is prohibited
If the outriggers or other parts are held down by anchor ropes to
lift the overload, the crane may be damaged by excessive loads
and an accident might result. Never use an anchor rope.
13-2-3 Precautions on operation
(0099-0168-2E)
(1) Do not lift loads in excess of the rated lifting capacity
If you lift loads in excess of the rated lifting capacity, an
excessive load acts on the crane which could cause it to break or
tip over.
Before you start work, always confirm lifting capacity from the
rated lifting capacity chart. Lifting capacity varies with boom
length and working radius. Take care never to exceed the rated
lifting capacity under any circumstances.
(2) Never disable safety devices
If you deliberately disable the operation of safety devices and
continue work, you may apply an excessive load or overhoist
the wire rope without noticing and cause an accident.
This crane is fitted with safety devices to sound alarms or
automatically stop operations to prevent overloading or hook
overhoisting. Only work while all safety devices are set
correctly.