# Installing the rapid advance kit

WARNING

Make sure that the air supply is not connected.

CAUTION

Wear gloves to avoid personal injury because of sharp cutting edges. Only experienced maintenance personnel can assemble or disassemble the product.

Required tools

- Vise

- Spanners

- Allen key

- Fork-shaped tool

- Hexagonal tool

- Torx wrench

1. Fasten the drill in a vise with rubber pads, with the front part upwards and the drill handle to the right. Remove the front part and the drill bit using spanners.

2. Loosen the drill. Turn the drill over and fasten the drill in the vise.

3. Remove the spindle guard.

4. Remove the depth ring from the spindle using a fork-shaped tool.

5. Note the position of the feed cassette. The markings, on the cassette end closest to the spindle, indicate the actual feed rate.

6. Remove the feed cassette using an allen key.

7. Feed the spindle out of the socket by turning a hexagonal tool counterclockwise until the spindle is removed.

8. Remove the air logic cover and the air logic unit using an allen key.

   Do not loose the o-rings on top of the head.

9. Loosen the cylinder using an allen key.

10. Loosen the drill. Turn the drill over and fasten the drill in the vise.

11. Remove the lower part of the head using an allen key.

12. Remove the cylinder from the lower head.

13. Replace the cylinder with the new one (included in the kit) and put it back in position. Fasten the cylinder using an allen key.

14. Pull out the bevel gear straight up from the head.

15. Pull out the cylinder straight down from the head.

16. Replace the cylinder with the new one (included in the kit). Put it back in position.

17. Replace the bevel gear with the new one (included in the kit and put it back in position.

18. Put the lower head back in original position. Tighten it with screws.

19. Loosen the drill. Turn the drill over and fasten the drill in the vise.

20. Fasten the cylinder with screws using an allen key.

21. Put the air logic unit back in original position. Replace the cover with the new one (included in the kit) and put it back in position.

22. Install the spindle in the socket from below. Turn a hexagonal tool clockwise several turns to feed the spindle.

23. Install the depth ring onto the spindle and move it in position. Tighten the ring with the fork-shaped tool.

24. Put the feed cassette in the original position making sure that the markings on the cassette end closest to the spindle indicate the required feed rate.

25. If you cannot install the cassette easily, turn its splines with the fork-shaped tool to align them.

26. Install the washers and the four screws in the original position. Tighten the screws. Install the lock and the lock screw. Tighten the screw.

27. Put the spindle guard back in the original position and secure it.

28. Lossen the drill. Turn the drill over and fasten the drill in the vise. Put the drill bit in the spindle. Place spanners on the spindle socket and the drill bit base to keep them from rotating and tighten the connection. Put the front part over the drill and secure it.

29. Loosen the drill. Turn the drill over and fasten it in the vise. Connect the air hose to the nipple. Do a functional test of the emergency stop button:

    1. Push the start button.

    2. Push the emergency stop button so that it locks in position. The spindle must stop immediately.

    3. Pull the emergency stop button to reset it. The motor must not restart.

    4. Disconnect the air hose.