Fault 3: Lubrication System Failure
A malfunctioning lubrication system can lead to insufficient lubrication of moving parts in a machine tool, increasing wear and affecting machining accuracy.

The main repair methods include:
- Inspecting the lubrication system to ensure it is unobstructed and free of blockages;
- Replacing the lubricating oil promptly and regularly to maintain its cleanliness;
- Regularly checking the oil pump’s operating status to ensure it is functioning properly and providing sufficient lubricating oil.
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