My trimmer attachment does not fit my Philips shaver
If your Philips trimmer does not fit the shaver, it may not be attached properly. Follow the simple steps below to attach your trimmer.
The teeth of the click-on trimmer should point towards the back of the shaver
With the teeth of the click-on trimmer pointing towards the back of the shaver, insert the lug of the trimmer into the slot on the top of the shaver (1).
Press the trimmer downwards on the shaver(2) until it clicks into place.