Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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10-11
HOW TO OPERATE CARRIER
1.
◆
Starting, crawling, stopping the crane
1
Press the pedal to release the interlock
for crane-crawl operation and hold it.
Crawling straight
Forward
Forward
Neutral Neutral
Backward Backward
Crawling straight
• Adjustment of crawling speed
Accelerator pedal
2
While sitting on the operator's seat,
shift the crawling levers (left and right)
to the other side to make the crane to crawl
forward and shift the levers to this side
makes it to move backward.
Shifting the levers to neutral allows the brake
to be applied automatically.
When crawling at a slow speed, it is adjusted
by how far the crawling levers are shifted.
Normal crawling speed is adjusted by how
far the accelerator pedal is depressed with the
crawling levers shifted to desired direction.
Button to change crawling speed
• Change of crawling speed
The crane crawls at higher speed while the
button to change crawling speed is being
depressed.
Release the button to allows the crane to
crawl at low speed.
Do not depress the button when crawling a
place such as on a slope, on unleveled ground
where crawling resistance is larger.