Kurt Ullman wrote:
I have one of these where the swing arm ain't swingin' so it just sprays
out water and doesn't move around. Any suggestions for fixing it?


RainBird's website has info, but it looks like you might need an
engineering degree:

http://rainbird.com/homeowner/support/impacts.htm#
http://rainbird.com/documents/diy/man_AG5_Maxipaw.pdf

The second link is a pdf of instructions, depending on size of nozzle.
Also has an 800 number )