I now suspect a clogged spray arm. Sometimes I see cantaloupe seeds stuck in the holes, and I poke them back in. Is the spray arm removable and cleanable by an amateur or do I need a pro? Bill of Carmel
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it has a pressure insertion fitting that snaps into the arm thru the hole,you need to press in on the ears on the bottom of the are to release the plastic grips to let it drop out,then the arm should remove after this
Check the drain hose connection at the sink drain for local blockage. If ok, you may have to tear down the lower spray arm assembly down to the deck (noting orientation and position as you remove parts). Look for clogged screens and clogged openings in the deck. You can use a vacuum hooked to 'blow' to make sure these openings are clear. Wash the screens in hot water, detergent, and white vinegar to remove water and food deposits. Make sure upper and lower spray arms have open spray holes and no split seams. Hope this gets you running again!
Yes it can get plugged. Any debris pumped up to the arm can get lodged into the tiny holes. Also, sometimes the arm itself becomes split along the joint between the lower and upper half. Remove the arm to inspect, clean, and repair/replace the arm if split. I fixed our Maytag spray arm when it split, by drilling a series of small holes along the split parts and sewing the thing back together with fairly fine copper wire. Still working great after a number of years. The small spray holes can be poked clean with a heavy needle and the arm vacuumed out. If after all this it still won't spray properly, the intake screen at the bottom of the lower spray arm tower may need to be cleaned as well. Remove components starting with the spray arm and work your way down, noting placement and orientation of each piece. Remove the screen, and soak it in hot water, detergent and white vinegar for an hour or so. Check all holes in the deck for any food plugging. Reassemble in reverse order and check the lower spray arm for plugging as well. Hope some of this helps!
Check the small holes on the spray arm. They are most likely plugged. (candy wrappers, tooth picks, popcorn or watermelon seeds, you name it.) Sometimes you can clear the holes out, other times it is just as easy (and not very expensive) to replace the spray arm(s). List your model number if you need part numbers or instructions on removing spray arm.