Hyundai HX140L, Manual

Page: 386 / 819

5-54
GROUP 15 EPPR VALVE
COMPOSITION
EPPR (Electro Proportional Pressure Reducing) valve consists of electro magnet and spool valve
installed at main pump.
Electro magnet valve
Receive electric current from MCU and move the spool proportionally according to the specific
amount of electric current value.
Spool valve
Is the two way direction control valve for pilot pressure to reduce main pump flow.
When the electro magnet valve is activated, pilot pressure enters into flow regulator of main pump.
Pressure and electric current value for each mode
1)
HOW TO SWITCH THE POWER SHIFT (STANDARD
㖃
OPTION) ON THE CLUSTER
You can switch the EPPR valve pressure set by selecting the power shift (standard
㖃
option).
Management
余
Service menu
-
Power shift (standard/option) : Power shift pressure can be set by option menu.
余
290F3CD149
290F3CD126 290F3CD150
290F3CD151
Enter the password
(1)
(2)
(3)
2)
1. PUMP EPPR VALVE
Mode
Pressure
Electric current
(mA)
Engine rpm
(at accel dial 10)
kgf/cm
2
psi
Standard
P 10 142 330 佳 30 1850 佳 50
S 13 佳 3 189 佳 40 365 佳 30 1750 佳 50
E 15
佳
3 218
佳
40 400
佳
30 1650
佳
50
Option
P 0 0 160
佳
30 2100
佳
50
S 5
佳
3 73
佳
40 250
佳
30 2000
佳
50
E 10 佳 3 142 佳 40 330 佳 30 1750 佳 50