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Re: How do you open a wertheim 2000P vacuum cleaner?
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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I think its time for a new vacuum cleaner.....sounds like the circuitry is malfunctioning or you have an airflow problem that is tricking the vacuum into thinking the bags full. check all hoses and airways for blockage
There are six different reasons a vacuum can lose suction, a plugged vacuum hose, bad motor, full vacuum bag, or cracked or damage hoses. Purchasing a vacuum cleaner can be a costly expense while repairing the suction on the unit can be virtually free. Most suction loss problems on a vacuum can be easily fixed or remedied with common house hold tools and very little technical expertise.
If your vacuum cleaner losses suction, the first and easiest solution is to check the bag. If the vacuum cleaner bag is full suction will be greatly reduced and the unit will become ineffective. A vacuum cleaner works by passing air through the bag fibers leaving dirt and debris behind inside the bag. If the refuse bag becomes full, airflow is restricted, limiting the amount of air passing through the vacuum bag resulting in loss of suction. When replacing the vacuum bag always consult your owners manual to insure that the vacuum bag seals with the vacuum inlet hose. If your vacuum cleaner bag is not tightly sealed to the vacuum inlet hose you will decrease the air flow through the bag resulting in loss of suction.
The second and sometimes most common reason for loss of suction on a vacuum cleaner is a plugged vacuum hose. If the hose becomes plugged, air flow will become restricted. To unplug a vacuum hose detach it from the machine and inspect the inside. If there is a restriction in the hose, remove it with your fingers and replace the hose onto the unit. If the hose is long and the debris is hard to get too, a broom handle or other long object can be passed through the hose to dislodge the debris. Most vacuum cleaners contain more that one suction hose, so make sure to check each one by process of elimination. Another area that can become easily plugged on a vacuum cleaner is under the lower base of the unit by the roller brush. Large debris can get caught in this area and restrict air flow to the hose.
If your vacuum refuse bag is not full and the suction hoses are not plugged the next thing to check is the condition of the hoses. Many hoses are made from plastic which can easily tear or crack. If your vacuum cleaner shows signs of wear or are cracked they need to be replaced. Even the smallest hole in a vacuum hose can leak enough air to greatly diminish the suction potential of your unit. Replace your vacuum cleaner parts with OEM parts from the original manufacturer to ensure the tightest fit.
Most vacuum cleaners contain filters. Filters are used as a last line of defense to remove dust and smaller debris particles before the air is recycled back into the environment. If vacuum cleaner filters become dirty or plugged they also can decrease the amount of air traveling through the unit. Some filters can be easily rinsed with water whereas others need to be replaced. It is important to check your owners manual before rinsing a vacuum filter.
The last and probably least common problem for a vacuum cleaner to loose suction is a bad or failing vacuum motor. Over time vacuum motors lose power due to worn carbon brushes or long term damage. A vacuum cleaners worst enemy is moisture. If water or moisture is sucked into the vacuum motor it will greatly diminish the amount of suction the unit has. Replacing a vac motor can be a costly and time consuming ordeal. In some cases, replacing a vacuum motor can outweigh the cost of buying a new vacuum. Vacuum suction is measured in water lift which can easily be measured by using a water lift gauge. If the water lift measured in inches, falls below half the original water lift specifications for the unit, it is time to replace your motor. Most vacuum cleaner repair shops carry this type of equipment and can easily tell you if it is time for a new vac motor.
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!