Operating Instructions - Doosan DX235LCR 2018 Operation & Maintenance Manual

OPERATING INSTRUCTIONS

Engine Speed Control
Engine speed can be manually adjusted using the engine speed
control dial, Increase engine speed by rotating the control knob
clockwise. Decrease engine speed by rotating the control knob
counterclockwise.
IMPORTANT
The engine speed control system has been set at the
factory and should not require adjustment as part of routine
maintenance.
Mode Selection
More efficient work can be done by choosing a proper power
and work mode combination, suitable to type of work and
conditions. Use the mode selection according to following guide.
Power Mode
1. When the starter switch is turned "ON" the power mode is
automatically defaulted to the standard setting.
2. Select a proper power mode using button (1, Figure 43)
before starting work.
3. When the power mode button (1, Figure 43) is pressed, a
signal sounds, changing the power mode to either "ON" or
"OFF". When the power mode is turned "ON", the symbol
indicates on the screen.
Deactivate the power mode by pressing it a second time.
When the power mode is turned "OFF", the symbol of
standard mode indicates on the screen and the power
mode returns to the standard mode.
Mode
Power Mode
Standard Mode
Economy Mode
DX235LCR
• Required to perform heavy work in a short period of time.
• Fast speed loading.
• Fast speed travel.
• General work.
• Optimize fuel consumption.
• Light work.
• Minimize fuel consumption.
• Reduce noise.
Figure 42
1
1
6
Figure 43
Selection Point
HAOA690L
2
7
FG013733
Operation
3-21