Furukawa Unic URW370C4U Series, Руководство по эксплуатации и техническому обслуживанию

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9-8
DESCRIPTION OF EACH CONTROL DEVICE
Warning horn
Retaining mechanism
for slinging wire rope
Warning horn switch
Slinging wire rope
retaining mechanism
Automatic stop for leaving
minimum wire rope (With
wire rope retaining roller)
Automatic stop for
leaving minimum
wire rope (With wire
rope retaining roller)
Before lifting up the cargo, depress the warn-
ing horn switch on the crawler panel to give
warning sound to those who have entered
within slewing range during crane operation,
or to workers in charge of slinging work near
the cargo or in a course where the cargo may
pass along.
Depress the switch button to give warning
sound.
The mechanism is to prevent slinging wire
rope from being disengaged out of the hook.
This is a devise to restrict slackening of wire
rope on the drum.
The device prevents the rope on the drum
from slackening when winding up and down
the hook or making it an abrupt stop and
when the hook is lowered to the ground.
In addition, it allows to stop unwinding auto-
matically when remaining wire ropes on the
drum come close to 3 turns so that the rope
can not be unwound further.