Opps, here is the model # for that Maytag Quiet Series Dishwasher MDB5600AWB, 
Here are your parts
Replacement parts for MAYTAG MDB5600AWB | AppliancePartsPros.com
Got the Model Number but OOPS! I did not see a question.
In any case perhaps the following will answer it.
http://www.servicematters.com/maytag_library/docs/16021814.pdf