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On/off switch on wertheim 4030 not engaging

My wertheim w4030 vacuum cleaner has a faulty on/off switch. The vacuumonly works when the on/off button is continually depressed by the user. It does nothold in after it is initially pressed. I wish to firstly know how topull part my vacuum, then how to fix this problem

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: how to open the case of a wertheim b20 vacuum cleaner

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!

Posted on Mar 25, 2009

SmartAlec
  • 171 Answers

SOURCE: How do you open a wertheim 2000P vacuum cleaner?

Hi there,
SmartAlec from NelsonVacuums.com.au here. The ET2000 has a latch that is located at the very end of the machine lid (about 6 cm in front of where hose clips in. If you sit the machine up on its back end you should see the black lever that needs to be pushed in. Now I will also say that it is possible that you have actually been pushing this but the lid still wont open, this is because every now and again the whole latch moves itself out of alignment by about a milimetre. The easy fix for this is a gentle screw drive to assist the relesing of the catch, this needs to be gently pushed in at the same time as squeezing the latch (hand at top of latch screwdriver at base kind of toward the middle of machine). You should be able to get it open like this with only light pressure. Now of course if you need bags or filters please visit us at NelsonVacuums.com.au.
Kind regards Alec

Posted on Aug 02, 2010

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How do you open a wertheim 2000P vacuum cleaner?


Hi there,
SmartAlec from NelsonVacuums.com.au here. The ET2000 has a latch that is located at the very end of the machine lid (about 6 cm in front of where hose clips in. If you sit the machine up on its back end you should see the black lever that needs to be pushed in. Now I will also say that it is possible that you have actually been pushing this but the lid still wont open, this is because every now and again the whole latch moves itself out of alignment by about a milimetre. The easy fix for this is a gentle screw drive to assist the relesing of the catch, this needs to be gently pushed in at the same time as squeezing the latch (hand at top of latch screwdriver at base kind of toward the middle of machine). You should be able to get it open like this with only light pressure. Now of course if you need bags or filters please visit us at NelsonVacuums.com.au.
Kind regards Alec

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Vaccuum cleaner with a broken hose


Is it just the corrugations of the hose broken? With most hose fittings there are two small oval shaped lugs on the side of the fitting. Grab a small screwdriver and gently (you may need a little force) push these in to ease the click ring out.

Once out, you'll find a type of screw cuff. Some hoses just unscrew, some are glued in (use boiling hot water to soften to separate).

Cut the broken piece of hose off, make sure the click ring is still on the hose in the right direction, reaffix the screw cuff, and replace the hose (with click ring) back into the hose fitting.

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How to open the case of a wertheim b20 vacuum cleaner


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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Was vacuuming fine and suddenly the thing won't turn on. Tried another plug.


Same thing happened to my Wertheim 4030. It turned out to be a broken connection in the retractable cord plug, no doubt due to continual shock upon retraction. How did I find it? By pulling the top off and first checking the internal switch was working with an ohmmeter (definitely no power for this test) Then plugged in, powered up & checked if any power to switch with AC voltage tester(be careful and have unit RCD protected for your safety) None showing, so checked if power at internal reel. None, so switched off power and checked continuity of cord for active and neutral continuity. None in one so cut off plug and checked again OK so new plug fitted and reassembled. If I had power to the switch originally, the motherboard/rheostat or motor may have been the problem. Hot wiring the motor would have determined which(unlikely to be both but a possibility) Repair or replace faulty item, obviously checking motor brushes first. Electrical is simply a matter of isolation and elimination.
rjjs

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