Thread Number: 68741  /  Tag: Vintage Automatic Washers
Hotpoint 9545 Electronic 1200 De Luxe
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Post# 915356   1/12/2017 at 15:26 by optima (Cumbria England)        

optima's profile picture
Currently Re-spraying my old but new 9545. I am just curious to find out what the single violet coloured wire attached to the motor is for.

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Post# 915361 , Reply# 1   1/12/2017 at 15:49 by optima (Cumbria England)        
9545

optima's profile picture
Could it possibly be a maximum 1000 spin motor with a conversion so to be able to spin up to 1200 rpm. Only guessing.

Post# 915375 , Reply# 2   1/12/2017 at 17:21 by keymatic3203 (Cardiff UK)        
yes Craig

it's a centre tapping on the field coils, so the timer bypasses one of the sets of coils which has the effect of increasing the motor speed though reducing the torque, so an ideal way to achieve the high spin speeds, when the vast proportion of the water and therefore loading on the motor has been removed, though whilst doing this, as half the coils have been taken out of the circuit, the resistance (impedance) is reduced so the current goes up, which in turn causes the motor to run hotter, therefore why it can only run at this speed for 20 seconds.

The classic hoover 1100s use this method to increase the spin speed from 800 to 1100, it's the switching of this motor circuit that happens when the speed drops before accelerating to 1100, this switching happens on most high speed machines these days but with electronics it's almost undetectable.

sorry I found myself waffling on longer than I intended, all the best with your restoration

Mathew


Post# 915381 , Reply# 3   1/12/2017 at 17:37 by optima (Cumbria England)        
9545

optima's profile picture
Thank you Mathew

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Post# 915460 , Reply# 4   1/13/2017 at 07:25 by keymatic3203 (Cardiff UK)        
Now I see the machine

I think I have one somewhere in my garage, have the matching dryer too, it needs drum bearings so have just been put into the in many years to come area.

mathew


Post# 915515 , Reply# 5   1/13/2017 at 14:44 by optima (Cumbria England)        
9545

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All back together after the re-spray

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Post# 915528 , Reply# 6   1/13/2017 at 15:58 by nickuk (chelmsford UK)        
Wow

What a beauty; nice work!

Since I'm in Essex, `well jel'!


Post# 943079 , Reply# 7   6/11/2017 at 20:30 by optima (Cumbria England)        
9545

optima's profile picture
Rinses with 500 rpm Spins & final 700 & 1200 rpm Spin. A unique sounding Motor.







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