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A Yes, it is.
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A Yes, it is.
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A Yes, it is. The torque is adjustable. The higher the set value, the greater the torque is. If the machine makes a cracking noise while the screw is not tightly turned, you can adjust the torque value.
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A The carbon brush is worn out normally. You need to buy a new carbon brush to replace the old one.
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A The carbon brush is worn out. You need to buy a new carbon brush to replace the old one.
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A The tube and dust collecting bag are broken. Please replace them.
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A You need to buy a new carbon brush to replace the old one.
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A Replace the polishing disc.