Komatsu PC500LC-10R Shop Manual page 487

30 TESTING AND ADJUSTING
3.
Install the nipple C, and connect the sensor adapter F.
4.
Connect the sensor adapter F to the service oil pressure
connector (P49).
5.
Set all control levers and control pedals in NEUTRAL posi-
tion, and set the lock lever in FREE position.
6.
Start the engine.
7.
Select "Pre-defined Monitoring" (04/11) or "Monitoring Se-
lection Menu" and display the following monitoring items
by referring to "SET AND OPERATE MACHINE MONI-
TOR".
Monitoring code: 01100 "Front Pump Pressure"
Monitoring code: 01101 "Rear Pump Pressure"
Monitoring code: 01141 "Service Pressure Sensor"
Monitoring code: 04401 "Hydraulic Oil Temperature"
8.
Adjust the hydraulic oil temperature so that it is within the
specified range.
9.
Raise the L.H. track shoe off the ground by operating the
work equipment control lever.
When measuring the front circuit: L.H. track
When measuring the rear circuit: R.H. track
10. Set the working mode to P ("Power Mode").
11. Set the travel speed to "Hi".
12. Turn the fuel control dial to MAX (High idle) position.
13. Check the pump discharge pressure and the LS pressure
(actuator load pressure) simultaneously when all the con-
trol levers and pedals are in NEUTRAL position, and the
travel lever is at half stroke.
PC500LC-10R
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
30-81