First -- note Our unit is Model #MDB5100AWB -- I was unable to find that model in all the listings on this site. I assume it is an easy case of positioning the tower and then pushing on it until it "clicks" into place. But I don't know if the sloping part faces front or back of unit.
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Hi, you may want to try looking at all the holes in the spray arms. If you see anything blocking a hole, use the tweezers and remove the stuff. Remove the bottom spray arm and check for items in the water delivery hole.Check the lower spray tower that is connected to the bottom rack. Make sure all rotating parts rotate properly. Look underneath to make sure nothing is stuck in the tower. Remove any stuff stuck that is preventing rotation or clogging the tower.
Steps: 1)Shut off power to the dishwasher at the circuit breaker and turn off the water line to the dishwasher by locating the shut-off valve, which is typically inside the cabinet beneath the kitchen sink. 2)Remove the four screws that hold the dishwasher kick plate in place. 3)Locate the motor,which is typically centered beneath the bottom spray arm. 4)Lower the dishwasher door and take out the bottom dish rack. 5)Remove the spray tower and spray arm assembly by unscrewing the bolt through its center. 6)Take out the filter immediately beneath the spray tower. 7)Disconnect the motor wires from the wiring harness,making a note of which wire connects to which terminal. 8)Disconnect the pump assembly and drain hose from the motor. 9)Remove the motor from the base of the dishwasher by unscrewing the four bolts holding it in place. 10)Repair or replace the motor and reinstall,taking care to reconnect the wires the same was as they were attached to the old motor. 11)Attach the pump and drain hose to the motor. 12)Replace the filter,spray tower and lower spray arm assembly.Reattach the center bolt in the spray tower. 13)Restore electrical power and turn on the water supply valve. 14)Run a test cycle to check for leaks underneath the appliance. 15)Replace the kick panel in front of the dishwasher.
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!
I would unscrew the cap and remove the whole thing... you might have something clogging one side, which makes more water come out on one side than another, causing it to wobble... or you may find something else causing the problem.
If there is a blockage, clearing it out can be tricky. really long pipe cleaners work well. Craft stores have them.
These parts can be replaced easily and reasosnably cheaply for example the top spray arm is about £20.00p. But you need the back water feed tube as well as the lower spray arm which should come as one package. (depending on model i'm going by bosch). You shouldn't have to pay more than £30.00p + p&p. Hope this helps.
The Spray tower fits in the bottom rack, Its actually pretty obvious as there is no way it can sit int he position it has to without being in the rack itself otherwise the rack and tower would block each other all the time.
Examine the base of your spray tower it should have two "clips" or plastic protusions that will, with a circular twist, snap onto the bars of the middle of the rack itself. Then when in place and your rack is slid inside the dishwasher the tower should sit directly over top of the exact middle of your bottom spray arm.
Bonnie, the spray arm itself will have a tower that extends upward. On the lower rack in the center will be a tower protector and the upper rack should have a water diffuser in the middle. The protecter and diffuser will clip on to the center of the racks. Hope this gets you going..