TESTING AND ADJUSTING TESTING EPC VALVE, SOLENOID VALVE OUTPUT PRESSURE
TESTING EPC VALVE, SOLENOID
VALVE OUTPUT PRESSURE
MEASURING
*
Hydraulic oil temperature when measuring: 45 - 55°C
1. Measuring output pressure of LS control EPC valve
1) Disconnect output hose (1) of the LS control EPC
valve, then use adapter C3 in the oil pressure
gauge kit to install oil pressure CI (5.88 MPa (60
kg/cm?).
2) Measure the output pressure under the conditions
in Table 1.
Table 1
Operation and
working mode
All control levers
at neutral
Engine
speed (rpm)
Min 1,500
Output pressure
(MPa (kg/cm*)
2.94 (30)
[Reference]
Current (A)
900 f 30
H/O mode or
G/O mode
Travel circuit at
neutral, any
Min 2,000
0 (0)
0
work equipment
lever is operated
j, Monitoring code 10 or 40 for engine speed
Monitoring code 15 for LS control EPC current
20-49
0
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