How do I remove a lower spray arm to remove the rubber screen?
Answer Bill, We presume this is the information you need " Remove lower rack 2. Lower spray arm clips onto the lower spray arm support lift spray arm off support . Turn support clockwise 90° lift support from sump. Filter is now free to lift out." In the future, please remember to include a model number of the product you're working on. Thanks
Where is the manifold ?
Answer KT, The manifold 154824201 Is the tube that runs up the back of the tub on the inside , the top and middle spray arms attach to it.