Shop manual máy đào HuynDai R170W-9 (Phần 5) - P5.4
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5-7
GROUP 4 POWER BOOST SYSTEM GROUP 4 POWER BOOST SYSTEM
Main pump
Pilot pump
Engine
ECM
CAN
MCU
Accel dial
Accel dial signal
Normal
CN-16
Emergency
CN-16A
CN-16B
Cluster
Main control valve
Pressure signal
P1
pressure
P2
pressure
Main relief
valve
Power max button signal
LH control
lever
Power max
button
Power max
solenoid valve
Power mode sw signal
Signal
Drive signal
Pump power
shift EPPR
Power max
pilot lamp
4
Option B
Arm 1
Boom 2
Swing
Bucket
Arm 2
Option A &
Arm regen
Boom 1
Option C
Dozer
Travel
When the power boost switch on the left control lever knob is pushed ON, the power mode is set P
mode and maximum digging power is increased by 10 %.
When the power boost function is activated, the power boost solenoid valve pilot pressure raises the
set pressure of the main relief valve to increase the digging power.
·
·
When the auto power boost is set to Enable and power mode is set to P mode on the cluster, the
digging power is automatically increased as working conditions by the MCU. It is operated max 8
seconds.
14W95MS06
Description Condition Function
Activated
Power boost switch : ON
Accel dial : over 8
- Power mode : P
- Accel dial power : 9
- Power boost solenoid : ON
- Power boost pilot lmap : ON
- Operating time : max 8 seconds
Canceled Power boost switch : OFF
- Pre-set power mode
- Power boost solenoid : OFF
- Power boost pilot lamp : OFF
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