Component mounting machine and maintenance method

A maintenance method of a component mounting machine including a board conveyance device configured to convey a board, a mounting machine main body that includes a head configured to hold a collection member and a head moving device configured to move the head, and that is configured to move the head with the head moving device, collect a component supplied from a feeder set on a feeder table, and mount the component on a board conveyed by the board conveyance device, and a guide member that is provided in the mounting machine main body, and that is configured to move between an advanced position advanced to the feeder table side and a retracted position retracted to the board conveyance device side to guide setting of the feeder on the feeder table in a state of being positioned at the advanced position, the maintenance method comprising:

• positioning the guide member at the retracted position;
• and
• performing maintenance on the mounting machine main body.