Komatsu PC500LC-10R Shop Manual page 425

30 TESTING AND ADJUSTING
2.
Select "Pre-defined Monitoring" (01/11) or "Monitoring Se-
lection Menu" and display the following monitoring items
by referring to "SET AND OPERATE MACHINE MONI-
TOR".
Monitoring code: 01002 "Engine Speed"
3.
Set the engine coolant temperature and the hydraulic oil
temperature so that it is within the testing condition range.
4.
Set the working mode to P ("Power Mode").
5.
Turn off the auto-deceleration.
6.
Turn the swing lock switch to ON position.
7.
Turn the fuel control dial to MAX (High idle) position.
8.
Operate the work equipment control lever to check the engine speed when the oil pressure is relieved in
arm IN circuit.
For standard values, see STANDARD VALUE TABLE, "STANDARD VALUE TABLE FOR ENGINE".
Testing the engine speed (Engine rated speed) at 2-pump relief + one-touch
power maximizing function
1.
Start the engine.
2.
Select "Pre-defined Monitoring" (01/11) or "Monitoring Se-
lection Menu" and display the following monitoring items
by referring to "SET AND OPERATE MACHINE MONI-
TOR".
Monitoring code: 01002 "Engine Speed"
3.
Set the engine coolant temperature and the hydraulic oil
temperature so that it is within the testing condition range.
4.
Set the working mode to P ("Power Mode").
5.
Turn off the auto-deceleration.
6.
Turn the fuel control dial to MAX (High idle) position.
7.
Operate the work equipment control lever to relieve the oil pressure in arm IN circuit and press the one-
touch power maximizing switch, and check the engine speed.
REMARK
One-touch power maximizing function is automatically canceled after approximately 8.5 seconds even if the
One-touch power maximizing switch is kept pressed. Test the engine speed before the function is canceled.
For standard values, see STANDARD VALUE TABLE, "STANDARD VALUE TABLE FOR ENGINE".
Testing the engine speed during auto-deceleration
1.
Start the engine.
2.
Select "Pre-defined Monitoring" (01/11) or "Monitoring Se-
lection Menu" and display the following monitoring items
by referring to "SET AND OPERATE MACHINE MONI-
TOR".
Monitoring code: 01002 "Engine Speed"
3.
Set the engine coolant temperature and the hydraulic oil
temperature so that it is within the testing condition range.
4.
Set the working mode to P ("Power Mode").
5.
Turn on the auto-deceleration.
6.
Turn the fuel control dial to MAX (High idle) position.
7.
Check the engine speed when auto-decelerator is operated after setting all control levers and control ped-
als in NEUTRAL position.
PC500LC-10R
TEST ENGINE SPEED
30-19