Group 15 Eppr Valve - Hyundai HX140L Manual

GROUP 15 EPPR VALVE

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