How do I replace my shower herald? I am have problems near the globe vs. threads.? I just moved into a house and I'm trying to replace...

I just moved into a house and I'm trying to replace the dated, crappy shower head next to LDR Nature Mist Shower Head. The shower arm has a bubble at the end and already have a thread on it.

The directions say "Remove outdated shower head from shower arm. If mature shower arm has a bubble where shower leader connects to arm, replace with shower arm near threads on both ends. Clean threads with steel wool."

My shower arm indeed have a ball built into it and already have a thread on it, but the thread doesn't fit the showerhead correctly and I can't get the thread past its sell-by date over the ball.

What should I do? Do the directions tight-fisted I need to replace the arm (is that even possible?).
Answers:    Yes, the directions have it in mind to replace the shower arm. It is threaded on both ends so all you'll requirement to do is unscrew it. You can get the correct replacement at any hardware store for lately a few dollars. When you install it, use teflon tape or plumbers putty to minister to make the stamp. Cover the new arm near a towel or cloth so you don't scratch it when you install it. You could try to only just hand tighten it but you may necessitate to put a pipe wrench on it to get a right seal. You want to net sure that it's tight enough so that it doesn't percolate but you don't want to strain the plumbing behind the wall. It shouldn't give somebody a lift more than a few minutes to do.
yes, the directions are telling you to replace the together arm assembly. first you can pry off the showy cap. produce sure water is stale and then beside a pipe wrench slowly turn the pipe off. progress to your local hardware store, find one that is roughly speaking the same length near threads on both ends, and put some pipe tape, afterwards some pipe goo on it and reinstall it. make sure it is tight. permit it set for a couple of hours so the goo can dry. then install shower lead and test. later look into the hole to make sure it isnt leak and reinstall decorative sou`wester