Deck jet help

Good morning all, here is a pic of one of 4 deck jets around my pool. Is it normal for the caps to be cemented into place? I would like to remove them for easier access to jet heads so I can aim them. Also I would like to be able to spin the caps left and right for aiming. Any thoughts on this. I am willing to break the caps and replace if that's my only option. Thank you.

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I have the same deck jets. I can remove the caps, adjust the heads, etc. In the winter I remove the heads and plug them just like any other jet. Mine are not flush with concrete, we had ours put in stone on one side of our pool where nobody walks. Hope this helps.
 
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