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This instruction show you guide on how to test low idle speed,high idle speed,pump relief speed ,auto-deceleration speed for Komatsu Excavator PC130.All Komatsu heavy duty equipment parts,workshop manuals you can get it from Komatus CSS Full.
Preparations:
Komatsu CSS Full Set 2018 2014 Parts Viwer Free Download
Procedures:
Test the engine speed with the monitoring function of the machine monitor.
Test the engine speed under the following condition.
Engine coolant temperature: Within operating range
Hydraulic oil temperature: Within operating range
1 Preparation work
Operate the machine monitor so that the engine speed can be monitored.
For the operating method of the machine monitor, see Special functions of machine monitor.
Monitoring code: 01002 Engine speed
2 Testing low idle speed
1) Start the engine and set the fuel control dial in the low idle (MIN) position.
2) Set all the levers and pedals for work equipment control, swing control, and travel in neutral and test the engine speed.
3 Testing high idle speed
1) Start the engine and set the fuel control dial in the high idle (MAX) position.
2) Set the working mode in the power mode (P) and turn the auto-decelerator OFF.
3) Set all the levers and pedals for work equipment control, swing control, and travel in neutral and test the engine speed.
4 Testing pump relief speed
1) Start the engine and operate the arm cylinder to the IN stroke end.
2) Set the fuel control dial in the high idle (MAX) position and set the working mode in the power mode (P).
3) Operate the left work equipment control lever to relieve the arm circuit at the IN stroke end and test the engine speed.
5 Testing auto-deceleration speed
1) Start the engine, set the fuel control dial in the high idle position (MAX), and turn the auto-decelerator ON.
2) Set all the levers and pedals for work equipment control, swing control, and travel in neutral and test the engine speed when the auto-decelerator operates.
The engine speed lowers to a certain level about 5 seconds after all the levers and pedals are set in neutral. This level is the auto-deceleration speed.
More repair manual please refer to:Komatsu CSS Full Set Parts Catalogue+Service Manual Installation Service
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