# Changing the spindle

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

- Fork-shaped tool

- Hexagonal tool

- Torx wrench

- Allen key

- Spanners

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

2. Turn the drill over and fasten it in the vise. Remove the spindle guard.

3. Remove the depth ring from the spindle with the fork-shaped tool.

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

5. Remove the feed cassette.

6. Feed the spindle out of the socket by turning a hexagonal tool counterclockwise. Remove the spindle.

7. Perform the steps 4 to 11 in the section “installing the drill”.

8. 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.