Philips 4605 - Manual (Page 11)

7.
4 Brush the inside of housing and Razor Head Assembly.
5 Replace the Razor Head Assembly back on razor.
Every Two Months: Razor Heads
1 Turn razor OFF by locking switch to “OFF” position and
disconnect from outlet.
2 Remove Razor Head Assembly from housing unit.
3 Brush the inside of the housing.
4 Turn Razor Head Assembly over so that the
underside is exposed.
5 Press down and turn wheel of frame counterclockwise.
6 Remove the frame and brush clean.