5-3
GROUP 2 MODE SELECTION SYSTEM
Accel dial
Accel
actuator
Main control valve
Engine speed
sensor
Main pump
Pilot pump
EPPR valve
Drive signal
P M
Engine
Fuel injection
pump
CPU controller
Work mode switch signal
Motor drive signal
Potentiometer signal
Engine speed sensor signal
Max flow
CO valve
Accel dial signal
Power mode switch signal
User mode switch signal
Prolix
Resistor
Normal
Emergency
(optional)

600±30
700±30
700±30
245
260
600±30
700±30
700±30
2250±50
2150±50
1200±100
1050±100
1050±100
2000
1900
-
-
-
2150
2050
1200±100
1050±100
1050±100
1900
1800
-
-
-
4
7

Resistor
Normal
Emergency
(optional)
CN-47
HEAVY DUTY WORK MODE
The boom priority solenoid is activated to make the boom operation speed faster.
GENERAL WORK MODE
When key switch is turned ON, this mode is selected and swing operation speed is faster than
heavy duty work mode.
BREAKER OPERATION MODE
It sets the pump flow to the optimal operation of breaker by activating the max flow cut-off solenoid.
Work mode Boom priority solenoid Max flow cut-off solenoid
Heavy duty
General
Breaker
ON
OFF
OFF
OFF
OFF
ON
1)
2)
3)
2. WORK MODE SELECTION SYSTEM
3 work modes can be selected for the optional work speed of the machine operation.
25075MS03
5-5
3. USER MODE SELECTION SYSTEM

1)
2)
3)
4)
To memorize the final setting, press the USER
mode switch and SELECT switch one more time.
5)
1
2
3
4
5
6
7
8
9
10
Segment
( )
High idle-900
High idle-800
High idle-700
High idle-600
High idle-500
High idle-400
High idle-300
High idle-200
High idle-100
High idle
ACCEL