OPERATIONAL PERFORMANCE TEST / Excavator Test Measurement: 1. Select the following switch positions: Engine Control Dial Work Mode Fast Idle Digging Mode 2. Measure the cylinder cycle times as follows: (Cylinder full stroke includes cylinder cushioning zone.) Boom cylinder: Operate the boom control lever to full stroke. Measure the time to raise and lower the boom. Arm cylinder: Operate the arm control lever to full stroke. Measure the time to roll in and roll out the arm. Bucket cylinder: Operate the bucket control lever to full stroke. Measure the time to roll in and roll out the bucket. 3. Repeat each measurement three times and calculate the average values. Evaluation:
Refer to the Operational Performance Standard in Group T4-2. Remedy: Refer to the Troubleshooting B in Group T5-6. T4-4-15 Power Mode Switch Auto-Idle Switch P Mode OFF