(Topic ID: 281510)

Reassembling mixer, is my wiper contact correct?


By alb0711

70 days ago



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  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 69 days ago by alb0711
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#1 70 days ago

I’ve repaired and cleaned my Big Time mixer. When I took it apart I didn’t look closely at the wiper center contacts. Is the wiper arm closest to center supposed to ride on top of the clutch pad? I’m guessing it’ll make a ground contact thru the metal clutch plate but it doesn’t look like a solid contact. In the first photo you can see the center wiper with the 90 degree bend on the end. In the second photo you can see how the center wiper rests on the clutch. Is this correct or do I have a reassembly issue? Thanks!

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#2 70 days ago

You have it wrong. The wiper arm needs to make contact with the stationary plate, riding on the metal ring in the middle. This is an easy mistake to make until you've done it wrong a couple of times. Not hard to rectify. May be a PITA but you should be able to reposition the arm without disassembling. Check each mixer, they all have the same configuration.

#3 69 days ago

the easiest thing when assembling is hold a leather washer and metal clutch plate against the rotor surface, then slide those three pieces onto the shaft as an assembly.

that'll prevent mashing the wiper finger between the leather clutch and the rotor. Otherwise, you have to tilt the rotor or bend the finger a bit to get the clutch pieces behind the finger.

if you've mangled the finger a bit, make sure it's riding reasonably centered on the ring on the contact plate. If it falls off the edge of the ring, it can contact rivets as the rotor spins and you get interesting side effects like units stepping or features enabling while the rotor is turning.

#4 69 days ago

Thanks guys, I knew it didn't look right! Just glad I didn't get it all back together yet.

Allen

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