Operation and maintenance manual

Operation
3-19
DX140R/DX140LCR
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.
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 40)
before starting work.
3. When the power mode button (1, Figure 40) is pressed, a
signal sounds, changing the power m
ode 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.
HAOA690L
Figure 39
IMPORTANT
The engine speed control system has been set at the
factory and should not require adjustment as part of routine
maintenance.
FG013733
1
1
6
2
7
Figure 40
Mode Selection Point
Power Mode
• Required to perform heavy work in a short period of time.
• Fast speed loading.
• Fast speed travel.
Standard Mode
• General work.
• Optimize fuel consumption.
Economy Mode
• Light work.
• Minimize fuel consumption.
• Reduce noise.