My mixer is still working fine but one of the drummers is broken and I want to know if I do not come or where I found the little I care very much kept this mixer has always done a good job and I like the look a thank you advance for your response
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Among the causes for the mixer not turning on are (in no particular order) --
The leaf-spring switch on the Control Plate is not making contact.
The Phase Board is defective.
Brushes need replacement.
Brush chamfered side not correctly oriented.
Bad armature or field coil.
Seized motor bearing.
Detached or broken Control Board spring.
Speed Control Link plastic end broken.
KMX50 would start and accelerate to high speed, then slow down some with fairly erratic speed. I tried changing the triac on the main speed control board, then also the whole board (£45). It made no difference.
The only other component I realised it might be was the speed control board which is on the rear end of the motor under the main cover (I found this component on a site selling Kenwood parts, and was where I got the main board from, which is how I know it's speed control). When I inspected it I found two of the terminals broken. You had to look very closely to see they were broken. It's a poor design as the three legs of the terminals are quite long, and very thin, so on high speed when kneading there is much vibration, which is why I suspect the terminals broke. I cut them back just enough to resolder. The component isn't quite fully inside the sensor wheel on the motor shaft, but it still picks up sufficient signal to control the speed and now works fine. Haven't tried it under load yet, but no reason to think it won't work correctly. So check this before ordering a £45 board!
I belieive i"ve found what you need at -the gourmet depot.net-click on worm gears on the list on left side of page,parts with pictures and listings will come up.I think you will want the kp50 series 5 parts
I have a gold mixer also, My wife loves it. The cord went
and was unfixable. I found one on this website abtecparts.com.
The cord was $5.99 plus shipping. Good Luck
Pat
I had the same problem. Had to strip the machine down to get to the motor. On the top is a moving plate with various capacitors etc mounted. On the front side there was a Capacitor (At least I think it was) with the wire broken.
I resoldered it and the machine now works fine.
Mine did the same thing. I found the ball bearing inside the switch had fallen off. Put it back on and it works like new!
Pull the mixer case apart. Push in on the seam in the front and back and it will pop open after you remove the 1 screw. Pull the switch apart. There is a spring inside the top part of the switch and a small (1/8") ball bearing should be on top of the spring. Chances are, it has fallen off. Find it and stick it back on the spring while holding the top part of the switch upside down. Put the mixer back together.
To disassemble: Pull the rear cover off by prying on the bottom edge. It snaps in and hinges at the top. Remove the small oval cover on the front by prying, then remove the phillips screw. Remove the protective slider off the bottom. The 2 case halves then need to be separated by prying.
My daughter dropped it (again) and speeds 2 and 3
failed to work so I disassembled it and found a broken center terminal
on the power transistor. I saw a fine crack so I soldered it. I also
added much needed strain relief to the heat sink. It works fine now.
This is a poor design. The power device has a heat sink attached and
there is no strain relief so the transistor can move back and forth at
least 3/8". For a tool that sees a lot of vibration and shock, this
heat sink should be tie strapped or have hot melt glue to prevent
movement. Gary
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