3631479580 Kenmore Dishwasher - Overview

Turn off power at breaker box.
Remove lower covers and 2 screws into counter top.
Verify sufficient length on water and electrical connection to allow sliding dishwasher out approx. 2/3. I disconnected the electrical at the j box on the dishwasher. If you must disconnect the water line, shut off supply, usually located under nearby sink, and provide a rag or sponge for small amounts of water left in supply line.
Carefully pull back the insulation to expose two screws on top where water line runs into the center.
Pull the top tray part way out and reach in to hold the spray arm while removing the screws. The spray arm will easily drop out.
Hold the new spray arm in place making sure the raised screw posts push into the holes, then reinstall the two screws. Done. Pull insulation back into place, retape if necessary. Reconnect electrical and water if necessary.
Slide unit back in, checking alinement. Rescrew to counter top and reinstall lower covers. Task complete. 15 mins if prepared. 30 mins if both elect. & water are disconnected and you are somewhat hesitant.

Pulled unit out of cabinet took two top screws out of spinner spray arm and put back together.Old sprayer was plugged up not letting wash go through.Thanks for helping me fix and not replace unit.Saved at least 400.

As suggested. Pull washer, remove screws from top and replace with new part. Very simple and easy if you follow steps furnished by this site.