Now that you are satisfied that all is correct, turn the gauge with the bottom facing up.
As you see in the first picture I have already started to un-crimp the ring,
This is a little tricky but if you press hard on the sharpened start tool and place the sharp triangular end up to the ring, you can twist the handle gently but with very firm down pressure until you get under it.
This is where you will have the most difficulty so be careful.
You will not need to open the gap very much on the first attempt but move forward 1/16" and do it once more.
Repeat until you have it un-crimped about 3/16". You will notice that the step in the tool will allow the opened crimp to unfold into it.
Now place the opening tool into the wide area previously un-crimped and twist and hold down firmly until the crimp ring band is nearly vertical to the clamp.
Don't work to hard to get it perfect but enough until you can see the edge of the lower gauge.
Do this slowly so the tool does not snap over the crimp.
This process will take a little while but when you are finished there should be very few divots in the ring.
You should work to keep these to a minimum and whatever you do avoid tearing the opened crimp ring flange.
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