I have replaced a broken Orbit Satellite Sprinkler head with an Orbit Satellite II sprinkler head.

In their wisdom, Orbit has made the Satellite II about a half to a full inch longer than its predecessor, meaning I have to lower it or have it eaten by a lawnmower.
How can I do this? It's mounted via the bottom from a supply line that has a 90 degree joint in it. It would be very easy to raise, which is why I've found at least countless guides online for raising a sprinkler head that is too low.
Are there any tips or tricks someone can give me so I can lower it? I'm trying to avoid digging up my entire lawn just to get it an inch lower. Since it's near the corner of my lawn I was hoping to just bump up the grass in the area by under-filling it.
Any recommendations?


