How to replace a defective vacuum table
1. mark the position of the table with a thin pencil
2. remove the cable tie from the hose
3. remove the 4 screws from the table
4. remove the hose from the table (turn)
5. replace the defective table with the new one
6. reconnect the hose to the new table
7. align the table with the markings
8. tighten the screws again
9. secure the hose again with a cable tie
10. now you can mill again