Which of these adjustments for uPVC door...

ninjaef
ninjaef Posts: 185 Forumite
Sixth Anniversary 100 Posts Name Dropper
Don't want to turn the wrong adjustment and break something - a skill I have mastered over the years. This may be obvious to some but not us ... which of these adjustments will help to tighten the seal, please:-

The door,

apologies for poor focus.... 


Top of a hinge

(and if it is this , then what tool do I use to turn this thing)?



Side view (there is something in there but it's not coming out on the camera)




From underneath




Or .. something I have not seen?

EDIT:-
Foumd a video of my doors. Flag hinges. Compression at the top. So I adjusted to full compression and now sealing great at the hinge side but still 2mm gap - can feel air flow too - at the strike side. They are double doors and door that closes first has four adjustable cams down the strike side so i moved them closer to the centre jamb. Now the door that closes 2nd (on to the first) is sealing better. However the first door that closes, still isn't sealing with the centre jamb.. I can't see how that adjustment is made?
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