YT28 rock drill is not easy to start, what causes it?

If the YT28 rock drill does not start easily, please refer to the following reasons and troubleshooting.

First, the lubricating oil is too sticky and excessive. Method of exclusion:
1, replace the lubricating oil as required.
2, adjust the oiler properly.

Second, the water needle was removed. Remedy: Refill the needle.

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