If you want to change from epilating to shaving or vice versa, simply change the heads. Below you will find information on how to do this.
Troubleshooting
How do I change my Philips epilator head?
Detaching the shaving head:
Push the head in the direction of the arrows on the backside of the epilator.
Attaching the shaving head:
Push the head against the direction of the arrows on the backside of the epilator.