2010-02-17
When operating both the lifting and rotating functions of the excavator boom simultaneously, check their movement and speed. withKobelco 60-7To test the experimental subjects, the process is as follows:
preparation:
1. Start the engine and run it at a fast and slow speed. Operate the lifting function of the boom. Check the movement of the oil cylinder to ensure smoothness and no adhesion.
When the forearm is fully extended and the bucket is fully flipped in, lower the bucket to the ground. The bucket must be empty.
3. Keep the temperature of the hydraulic oil at around 50 degrees.
Attention: To prevent personnel from being injured. Before starting the testing, it is necessary to clean up a site and allow the personnel working together to leaverotationThe scope.
Measurement:
1. Select the positions of the following switches:
Engine control dial: maximum position
E-mode switch: OFF
HP mode switch: OFF
Work mode selector: General purpose mode
Automatic slow switch: OFF
2. Lift the boom and rotate it simultaneously, using full stroke.
3. When the upper rotating platform rotates 90 degrees. Release the control lever and stop these two actions. Measure the rotation of 90 degrees. The required time and the height of the bucket teeth (H).
4. Repeat steps 2 and 3 three times each, and calculate the average value
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