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Nmw500
ParticipantI’ve just ran it on the 15 minute soak cycle, but with the bottom washer (the bit that spins around) left off. There is still no sign of any screw. I looked at the top washer and the aperture is too small to pass a screw through I would have thought. Both spinning washers do not rattle when shaken, so I’m confident there isn’t a screw caught up in them. I’ll have another look around the motor when I fit the new impeller. But I’ll try and get hold of another stainless screw if I can’t find the old one. I’ll keep you posted, and thanks again. Nick
Nmw500
ParticipantMorning Dave. It was my hamfistedness which put the model as KFW, my apologies! I managed to order an impeller yesterday. Only £8 including p&p for a genuine part apparently, what a result!! I still haven’t found the screw though. Is it possible that it may have gone through the machine and been ejected through the waste? Or would you say it’s definitely still inside? Regards Nick
Nmw500
ParticipantHi Dave. I know what the problem is, and your picture has been invaluable in helping me. I took it apart again, but this time I couldn’t move the impeller through the motor housing. I took the housing off and the impeller fell off the motors drive. Not having looked at a dishwasher of any kind before, I hadn’t noticed the lack of retaining screw holding the impeller onto the motor. I also hadn’t noticed the housing on the picture of the impeller you sent me wasn’t there on mine. I think at some point the screw has come out, I haven’t found it, and the impeller has been wearing itself away on the motor housing. I found a replacement screw of the same thread (but not a countersunk one which it looks like it needs), and screwed it back together. It all works perfectly now, no additional rattles etc. The impeller pieces are incredibly brittle though. Would you know which impeller I should buy? I screwed it back on by locking the slot on the opposite end of the motor with a screwdriver. Is there a better way of stopping the motor spinning whilst tightening the impeller screw? I can’t tell you how grateful I am for your help, with thanks again, Nick
Nmw500
ParticipantHi Dave. Many thanks for your reply. I took the hoses off the motor, and with my finger through one of the hose inlets/outlets I tried to turn the impeller. It clicked then moved freely. On taking the impeller housing off I could see some of the blades had some bits missing. So I presumed it may have been a bit of impeller which jammed it. I put it together and ran it on the 15 minute soak cycle. It burst into life rather than just whirring, but it sounded like there was something rattling around inside. It finished its cycle as normal I hoped the draining of the water would take with it any debris. I ran it again but it appears to have jammed again. Is there a way of flushing the system from where the water enters the washing chamber (if that’s the correct term!) back to the motor housing? I’m hopeful there isn’t too much wrong with the dishwasher as it appeared to work ok on the first try. I’ll take it apart and let you know how I get on. But in the meantime, thanks again. Nick
Nmw500
ParticipantThanks very much for your reply Dave. I’m happy to investigate most things, but I’m not sure where the pump is. But assuming I find it, is it worth repairing financially? Regards Nick
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