Komatsu PC500LC-10R Shop Manual page 566

SET AND OPERATE MACHINE MONITOR
When Pump Calibration (Matching Speed Calibration) is required
The engine is replaced.
The main pump assembly is replaced.
The pump controller is replaced.
Disassemble front pump PC valve
Disassemble rear pump PC valve
The main valve is replaced.
The main relief valve is adjusted or replaced.
The outline of flow of "Pump Calibration":"Matching Speed
Check" is shown in the figure. (In adjustment menu of "Service
Menu")
Before starting calibration, set the machine under the following
condition.
Perform warm-up operation for at least 30 minutes.
Hydraulic oil temperature: 45 to 55 °C
Working mode: P ("Power Mode")
Fuel control dial: MAX (High idle) position
Air conditioner: OFF
1.
Select "Adjustment" on "Service Menu" screen.
REMARK
For selecting method, see "METHOD FOR OPERATING
SERVICE MODE" in "SERVICE MODE".
30-160
30 TESTING AND ADJUSTING
Pump Calibration
-
Required
Required
Required
Required
-
-
PC500LC-10R