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How to open the case of a wertheim b20 vacuum cleaner

\015 I want to inspect the bearings of the motor of a wertheim b20 vacuum cleaner\015

Answers :

Take out all the obvious screws around the base and coloured top using the appropiate driver.   There is one screw under the flap used to hold the dust filter in place.   The flap is spring loaded and can only be removed (as I see it) once the top is taken from the base.   To remove the screw I used a pair of long nose pliers and some patience.   Once the top is clear of the base, other screws can be easily seen and removed.  

My problem was a badly worn bearing at the commutator end of the motor.   There was so much movement that the brushes would not follow the commutator with a result of excessive noise and sparking.   The brushes had dug into the commutator segments and chipped etc.

The bearing is permanently pressed into the motor end and cannot be replaced.   This means a new motor which, in my part of the world, was quoted as $250.00.    My neighbour will be purchasing a new vacuum cleaner but after 15 years with the old one he hasn't done too badly!
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