Spray Arm Assembly

Need To Know How To Remove The Spray Arm To Clean

Here is a parts breakdown
Replacement parts for MAYTAG MDB4040AWA | AppliancePartsPros.com

This should help, same pump type
http://www.servicematters.com/maytag_library/docs/16010622.pdf

I’m trying to remove the lower wash arm on a different model - a Maytag MDB7160 AWB - but I don’t see how to do it. I removed the arm from the clips in the filter guard, but I can’t see how to get the arm off. Anybody know how to do it?