Komatsu PC88MR-10 Shop Manual page 403

a For standard values, see "Standard value
table for machine".
5. After finishing the test, remove the testing tools,
and restore the machine.
Testing oil pressure with sensor
adapter (special tool)
Select "Pre-defined Monitoring" or "Self-define
Monitoring" on the machine monitor to monitor the
service pressure.
a For the machine monitor operating method, see
the section of "Special functions of machine
monitor".
a Monitoring code: 01141 "Service Pressure
Sensor"
"Pre-defined Monitoring" screen
"Self-define Monitoring" screen
PC88MR-10
(PC88MR-TA11-362-P-00-A)
30 Testing and adjusting
1. Open the right side cover of the machine, and
connect service oil pressure connector (1) (P49)
to the connector of sensor adapter assembly P4
(Pressure range: 50 MPa {500 kg/cm
2. Remove the oil pressure pickup plug of the
measurement part, install nipple P2, and
connect it to sensor adapter assembly P4.
3. Start the engine to increase the hydraulic oil
temperature to the specified oil temperature.
4. Monitor the oil pressure with the engine at low
idle or high idle.
5. After finishing the test, remove the testing tools
and restore the machine.
Adjusting
(PC88MR-C2A4-270-K-00-A)
Adjustment of LS valve
a If the LS differential pressure is abnormal, adjust
the LS valve according to the following
procedure.
(3): LS valve
Hydraulic system
2 }).
30-53