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3 Pull the shaving unit off the shaver.
4 Turn the lock anticlockwise (1) and remove the
retaining frame (2).
5 Remove and clean one shaving head at a time.
Each shaving head consists of a cutter and a
guard.
Note: Do not clean more than one cutter and guard
at a time, since they are all matching sets. If you
accidentally mix up the cutters and guards, it may take
several weeks before optimal shaving performance is
restored.
Remove the cutter from the shaving guard and
clean it with the brush.
Clean the inside and outside of the shaving guard
with the brush.
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6 Put the shaving heads back into the shaving
unit.
AT911/AT891/AT890 : Make sure that the
projections of the shaving heads t exactly into the
recesses.
7 Put the retaining frame back into the shaving
unit and turn the lock clockwise.
8 Insert the lug of the shaving unit into the slot
in the top of the shaver (1). Then close the
shaving unit (2).
Note: If the shaving unit does not close smoothly, check
if you have inserted the shaving heads properly and if
the retaining frame is locked.
Cleaning the trimmer with the cleaning
brush (AT911/AT891/AT890)
Clean the trimmer every time you have used it.
1 Switch off the shaver and disconnect it from
the mains.
2 Push the trimmer slide downwards to open
the trimmer.
3 Clean the trimmer with the short-bristled side
of the cleaning brush. Brush up and down along
the trimmer teeth.
4 Close the trimmer (‘ click’).