Philips S99 Series User Manual page 31

Thorough cleaning method
Make sure the appliance is switched off.
1 Pull the shaving head holder off the bottom
part of the shaving unit.
2 Place the retaining ring holder on the retaining
ring (1), turn it anticlockwise (2) and lift it off
the shaving head (3).
Remove the retaining ring from the retaining
ring holder and repeat this process for the other
retaining rings.
3 Remove the shaving heads from the shaving
head holder. Each shaving head consists of a
cutter and guard.
Note: Do not clean more than one cutter and guard
at a time, since they are all matching sets. If you
accidentally put a cutter in the wrong shaving guard,
it may take several weeks before optimal shaving
performance is restored.
4 Clean the cutter and guard under the tap.
5 After cleaning, place the cutter back into the
guard.
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