HWH with the round foot and two springs?
If so, I saw a mechanic do ours in Mexico. He wasn't very big but he was strong!
Make sure the strut is fully retracted. You may have to open the relief valve and push it up manually.
Attach both springs so the disk is hanging vertically along side the strut.
This is where you need the strength: Pull the disc down sliding it along the strut until you can get the center of the strut to catch in the center of the disk. Hold it there, relax a bit, then twist the disk sideways and on it goes.
If you want to know why we needed to put it back on, or just want a smile, check out
this page of our blog.
Sounds easy and he made it look easy but I know I couldn't have done it. Took him just a couple of minutes once the piston was fully retracted.
And this is why the left rear appeared lower.
Here is where were we discovered it and got it fixed.