
180
3.21 ACCELERATOR OPERATION
• Accelerating the operation speed of the crane units more than necessary is dangerous.
Adjust the speed to the proper working speed suitable to the work.
• Use the accelerator pedal only when the machine stops and you operate the crane. Never
use this pedal during travelling with a lifted load. An operation mistake may be made,
resulting in serious physical injury.
CAUTION
• Decrease the speed at the beginning and near the end
of an operation. Change the speed to low or high
according to the load.
• As a priority is given to the engine speed of the fuel
adjustment dial, the engine speed does not fall below
the set speed of the fuel adjustment dial even if you
release your foot from the accelerator pedal. When
performing work using the accelerator pedal, operate
the fuel adjustment dial in advance to set the
necessary minimum engine speed.
Use both the fuel adjustment dial (1) and the accelerator
pedal (2) to adjust the working speed.
[1] WHEN WORKING AT CONSTANT WORKING
SPEED
Adjust the fuel adjustment dial (1) to the working speed
suitable to the work.
• (a) Low idling (MIN): Position where the dial is fully turned
counterclockwise (left direction)
• (b) Full revolution (MAX): Position where the dial is turned
clockwise (right direction)
[2] WHEN WORKING AT FLUCTUATING WORKING
SPEED
1. Adjust the fuel adjustment dial (1) to the minimum working
speed suitable to the work.
2. Increase or decrease the depression amount of the
accelerator pedal (2) to the working speed according to the
load.
Содержание CC1485S-1
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