On Fri, 24 Jul 2015 13:51:24 -0400, "Ralph Mowery"
wrote:


"Stormin Mormon" wrote in message
...
Some times, you can blow the crud out with
air compressor, blow gun, and a towel to
seal where the air gun goes in.


When the pipe plugs I usually use the shop vac to suck out the line. Just
easier to get to in my case.


Agree. You can also make a tool: Diyvac.com

https://www.youtube.com/watch?v=HyvPR7yMqbk

Or purchase a flexible tool: SpeedClean.com

https://www.youtube.com/watch?v=0dO7kTdmaMA