Maeda MC815C, Operation Manual, Page: 170 / 426

160
2.15 CAUTIONS BEFORE CRANE OPERATION
Not observing these cautions before operation may result in serious accidents.
• Make sure that the override switch is in the “OFF”
position.
The operation does not stop if the override switch is in the
“ON” position.
NOTES
When the override switch is set to the “ON” (cancel)
position, a warning buzzer sounds intermittently.
• If the hook block is wound excessively high, the ongoing
operation stops with the over winding detector alarm
buzzer generated.
When the warning buzzer sounds, immediately release
your hand from the right control lever (1), and shift it into
the “NEUTRAL” position to stop the winding operation.
Then, push the right control lever (1) forward to lower the
hook block.
• When the boom is extended, the hook block is wound,
and the over winding detector triggers the warning buzzer,
bringing the ongoing operation to a stop.
When the warning buzzer sounds, immediately release
your hand from the right control lever (2), and shift the
lever into the “NEUTRAL” position to stop the boom
extension operation under execution.
Then, pull the left control lever (2) toward you to retract
the boom.
• During crane operation, if it is necessary to alert people
around the machine to a hazard, use the horn switch at
the right control lever to sound the horn.
• Make sure that all outriggers have been extended.
Crane operation cannot be performed if any one of the
four outrigger extension lamps (2) and the four outrigger
grounding lamps (3) on the monitor is blinking.