![background image](http://html.mh-extra.com/html/philips/at891a/at891a_manual_297516031.webp)
3
Press the release button to open the shaving
unit.
4
Pull the shaving unit off the shaver.
5
Turn the lock anticlockwise (A) and remove
the retaining frame (B).
6
Remove the shaving heads and place new ones
in the shaving unit.
Note: Make sure that the projections of the shaving
heads fit exactly into the recesses.
7
Put the retaining frame back into the shaving
unit (A)and turn the lock clockwise (B).
8
Insert the lug of the new shaving unit into the
slot in the top of the shaver. Then close the
shaving unit.
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.
A
B
B
A
English
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