Komatsu Galeo BR380JG-1E0 Shop Manual page 296

SEN02303-00
5. Run the engine at high idle, operate the control
levers and switches to turn the solenoid valve
ON or OFF, and measure the oil pressure.
a For the conditions for turning the solenoid
valve ON and OFF, see the operation
table of each solenoid valve.
a The operating condition of the solenoid
valve can be checked with the monitoring
function of the machine monitor (For
details, see "Special functions of machine
monitor").
a If the output pressure is as follows, the
solenoid valve is normal.
Solenoid valve
OFF
(Demagnetization)
ON (Excitation)
6. After finishing measurement, remove the mea-
suring tools and return the removed parts.
Operation table of travel junction/2-stage relief
solenoid valve
Operating condition
When travel steering signal is
ON
In travel
mode
When travel steering signal is
OFF
When crusher clearance
reducing switch is ON
In testing
mode
When crusher clearance
reducing switch is OFF
Operation table of side conveyor solenoid valve
Operating condition
Side conveyor signal
(Side conveyor ON switch is
pressed and side conveyor
operating signal is ON)
Operation table of travel lock EPC solenoid valve
Operating condition
Travel speed
Travel
Conveyor
mode
top Travel speed
position
Inspection mode
38
Output pressure
2
0 MPa {0 kg/cm }
2
2.9 MPa {30 kg/cm
(Exclude EPC solenoid
valve)
Operation
ON
OFF
ON
OFF
Operation
ON ON
OFF OFF
Output
pressure
2
MPa {kg/cm }
Approx
2.9 {30}
Hi
Approx
1.8
Lo {18.5}
0 {0}
Operation table of magnetic separator solenoid
valve
Operating condition
Magnetic separator signal
(Magnetic separator ON switch
is pressed and magnetic sepa-
rator operating signal is ON)
Operation table of lock cylinder reset solenoid
valve
Operating condition
Lock cylinder reset signal
(Crusher clearance increase or
decrease switch is pressed in
inspection mode and signal is
}
ON during operation)
Operation table of accessory EPC valve
Operating condition
Primary conveyor signal
(Signal is ON for conveyor in
operation when primary con-
veyor ON switch is pressed)
Operation table of crusher forward EPC valve
Operating condition
Crusher forward signal
(Crusher speed: MAX)
Operation table of radio control travel (Right,
left, forward, and reverse) solenoid valve
(if equipped)
Operating condition
Radio control travel signal
(Signal is ON for radio control
travel in operation)
Operation table of feeder forward EPC valve
Operating condition
Feeder forward signal
(Feeder speed: MAX)
30 Testing and adjusting
Operation
ON ON
OFF OFF
Operation
ON ON
OFF OFF
Output
pressure
MPa {kg/cm
Approx.
2.6
ON
{26}
OFF 0 {0}
Output: Left
MPa {kg/cm
Approx
2.9
ON
{30}
OFF 0 {0}
Operation
ON ON
OFF OFF
Output: Left
MPa {kg/cm
ON Min. 2.0 {20}
OFF 0 {0}
BR380JG-1E0
2 }
2
}
2
}