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Thread Number: 78637
/ Tag: Vintage Dishwashers
Maytag WU900 question |
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Post# 1026382 , Reply# 2 3/6/2019 at 03:30 (1,871 days old) by askolover  (South of Nash Vegas, TN) |
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Post# 1026395 , Reply# 3 3/6/2019 at 06:51 (1,871 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Maytag RR DW Performace Differently check the things Cameron suggested, but also check to see if the machine is getting enough water with each fill, it should be filling with at least 1 1/2 gallons each time it fills, if it sounds like there is not enough water in it stop it after it fills and add around a gallon of hot water and see how it sounds.
You also must have a working detergent dispenser, I have very good results with the premium detergent tablets in our vintage KAs and WP DWs, put one in the main wash cup and also use a cheap chlorinated liquid or powered detergent in the first open cup as a prewash. Unless you have very soft water or a water softener system you will not get good results with regular powered or liquid detergents today as they no longer contain phosphates.
John | ||
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Post# 1026398 , Reply# 4 3/6/2019 at 08:18 (1,871 days old) by gansky1 (Omaha, The Home of the TV Dinner!) |
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Beautiful dishwasher! I believe the Maytags (at least earlier models) had the det dispenser actuation dependent on the load on the motor and troubleshooting mentions a shortage of water (as John said) and also checking the drive belt for possible sources when the dispenser won't open. I think I have the service manual for this series, I will check tonight and post a couple of pics if so. | ||
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Post# 1026399 , Reply# 5 3/6/2019 at 08:45 (1,871 days old) by peteski50 (New York) |
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Maytag wu900!
I hope you get this restored they were awesome dishwashers. I have a friend that had the wu300 and it was a powerhouse!
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Post# 1026410 , Reply# 8 3/6/2019 at 12:24 (1,870 days old) by countryguy (Astorville, ON, Canada) |
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I had a Maytag WU700 which is the model below the top of the line WU900. It had 5 push buttons and a timer dial. It was a real workhorse and got everything clean and fast although a bit on the noisy side. There was a Rinse/Hold cycle and 3 wash cycles - Light (67 minutes - RWRRD), Normal (75 minutes - WWRRD) and Heavy (87 minutes - WRWRRD).
Gary | ||
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Post# 1026565 , Reply# 14 3/8/2019 at 08:15 (1,869 days old) by askolover (South of Nash Vegas, TN) |
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Post# 1026990 , Reply# 15 3/13/2019 at 19:29 (1,863 days old) by electronicontrl (Grand Rapids, MI) |
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Congrats! | ||
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Post# 1027057 , Reply# 16 3/14/2019 at 13:37 (1,862 days old) by Jasonlittle (Southern iowa) |
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Thanks. Yeah I’m loving it. I just ran it through the second wash and it did much better this time. There was no Sandy like stuff on the dishes this time. I suppose it just needed to get all the dirt washed out of it from sitting for a while. | ||
| Post# 1029396 , Reply# 17 4/9/2019 at 21:24 (1,836 days old) by reactor (Oak Ridge, Tennessee-- ) | ||
micro-mesh screen
Jason, if the previous owner had hard water, you may find calcium carbonate (calcite) built up on the filter. You may wish to remove it and soak it in white vinegar, CLR or LimeAway.
You may have done this already, but I would also recommend removing the lower and top wash arms and inspecting the small holes (jets). Occasionally hardwater deposits can clog these, or a piece of food wastes somehow works its way past the filter. Inserting a large sewing needle into the jets will usually dislodge any blockage. It wouldn't hurt to run a cycle with CLR or LimeAway, after you have done this, for a general overall cleaning. I have found Cascade Platinum dishwasher cleaning tablets also work well for an overall cleaning, if calcium deposits are not heavy. It's about four dollars for two tablets. A Maytag Reverse-Rack gives almost perfect washing results, so anything less than this indicates some more work needs to be done. It's a beautiful machine. Hope you get it running to full capability!! Barry W. | ||
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