Evaluate Arm Swing for Grinding Noises
12:24
17:27
12.8K views
At 12:24 in
DON"T buy an excavator like this!
What happens here
Once the machine is running, operate the arm swing through its full range of motion. Listen carefully for any grinding, clunking, or unusual noises. The video explicitly mentions checking for 'crunching' in the swing motor or bearing. Such sounds indicate significant wear, which can severely compromise the machine's ability to maintain a stable digging position and reduce operator control, especially when performing delicate tasks or operating on slopes. Repairing a swing bearing can be very costly and labor-intensive.
Goal: Operate the mini-excavator's arm swing and listen for any grinding noises, which can indicate serious wear in the swing bearing or motor.
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