Question about Hoover S3670 WindTunnel Bagged Canister Vacuum

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How to repair

No power at the brush

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  • 161 Answers

A wire might have come loose inside the Vacuum head.

Note: Electricity can cause serious injury even Death.
Isolate your power supply from the mains switchboard.
Switch off and Unplug your appliance from the wall socket before attempting any repairs.

Remove/Dismantle the Vacuum head and locate the wires.
Check the wires at the terminals and at pinch points

Check your power cord and power supply, check the plug is clean and free from corrosion or dirt.
Plug another appliance into the same socket to check there is power at the socket.

If its still under warranty, take it back to the store or manufacturer for replacement.
Call a serviceman to test the appliance for you,

If not you could...
Check your fuse in the device, you will have to dismantle the appliance. Some of them have a fuse to protect the motor.

Get your Multimeter and do some tests...
Test the flexible cord connections
Electrical tests included, visual inspection, Earth continuity, Polarity and Insulation resistance.

Examining cord for Damage
Disconnect flexible cord from power supply.
Check cord along the whole length for obvious damage

1: Visual Inspection
A visual test is necessary before using test instruments to ensure that all specific safety requirements are meet.
Check the general condition and safety of the cord, plug, cord anchorage, terminations and of the appliance itself.

2: Earth Continuity.
The earthing system of an electrical installation must be installed in a manner that will allow circuit protection devices to operate if there is a fault between live parts (other than Neutral) and the mass of earth.
What to check: For class (one) 1 protectively earthed appliances only, test for very low resistance between exposed appliance metalwork and the earth pin of the plug. this resistance should be as low as possible and must not exceed 1 ohm. Note: the Exposed metal parts of a class 2 double-insulated appliance must not be earthed.
Equipment requirements:
A Multimeter (Digital or analogue) Set on a ohm scale or an insulation tester that also has a continuity scale.
A set of leads.

3: Polarity
Why is this test necessary:
An incorrect connection of phase and neutral conductors to fittings and appliances is extremely dangerous and has been the cause, either directly or indirectly of many shocks and fatalities.
What to check:
Polarity tests are carried out to ensure that every single-pole switch operates in the active conductor or the circuit in which it is connected.
Equipment requirements:
A Multimeter (Digital or analogue) Set on the resistance scale when the SUPPLY is NOT connected.
or a voltage indicator set on a suitable voltage rating when the supply is not connected.

4: Insulation Resistance
Why this test is necessary:
All live conductors (including Neutrals) and live parts must be insulated to prevent - Electric shock hazards from inadvertent contact.
- Fire hazards and equipment damage from short circuits.
What to check:
Insulation resistance tests must be made between:
- Active conductors of a poly-phase circuit
- Active and Neutral
- Active and Earth
- Neutral and Earth
The insulation resistance between appropriate components shall be not less than 1 mega-ohm minimum
Equipment requirements:
An insulation resistance tester which maintains an output of 500 volts when loaded with a 1 mega-ohm resistance.
A set of leads.

Different countries adhere to spicific Electrical (safety) Regulations and standards

This information is only intended to enlighten the novice, guide and remind someone already in the field of electrical installations.
DO NOT attempt any electrical repairs unless you have the appropriate background or training.

Posted on Feb 10, 2014

  • Daniel Minguez
    Daniel Minguez Feb 15, 2014

    i change the fuze in the mother bord ,and it works ,thanks to you guys

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Posted on Jan 02, 2017

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Brush bar stops spinning


If cleaning debris from brush roll and nozzle housing doesn't solve the problem you may need a new PCB, if that doesn't solve it you may need a new power nozzle assembly. This is a difficult repair that should be performed by a qualified technician.

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Roomba keeps saying "Clean Brushes"!!


Have you made sure the brushes aren't clogged with thread and hair, and that the brush bearings are still good?

1) remove the brush guard.
2) remove the brushes
3) remove any hair or debris using the cleaning tool

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4) replace the Roombas brush bearings

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5) replace brushed and brush guards

If this doesn't work then, try the following:
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Vacuum base is not turning on but brush roller will turn on- Tri Star cannister/hose style


This indicates that you have a bad motor in the machine. If you are able to get power to the rest of the vacuum besides the motor, this means that the vacuum is getting power, and the motor's carbon brushes have probably worn out. I can look and see if the carbon brushes for the motor are availble, or if you'll have to purchase a new motor assembly completely if you can kindly do a clarification request or add a comment to this repair.

Please rate the repair suggestion as helpful by clicking the thumbs up icons if this answered your question.

Thanks,

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My eureka central vac power brush turns off when pushing forward than back on when pushing back. Ever seen this before?


Yes I repair them all the time. What that means is that the connection of the hose handle to the power brush upper wand is loose. This can happen over time with use. The connection just loosens up. Do you have the exact model of the power brush?

Nov 22, 2009 | Eureka 1810 Central System Vacuum

1 Answer

I need replacement carbon brushes for the motor. I haven't been able to find a source.


Try looking for a power tool repair shop, they usually have some brushes and can order more. I have put Hoover brushes in my Shop-Vac.
Look for some that are close to matching,( spring size,spring length, brush length). If the brushes are a little large they can be made smaller by dragging on a flat file. Carefully fit them so they slide into the brushholder nicely.
I have even soldered different ends onto the pigtails, whatever works----I am a pragmatist!
You could also look for an electric motor repair shop in your area- they have suppliers.

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How to clean the power brush on the miele vacuum. Is the brush removable? If so how do you remove it?


Greetings from GoVacuum.com,

Miele canisters have 2 different types of power brushes. The first, and most popular is the Miele SEB 217, and 213 Power heads. To remove the brush, follow these instructions.

On the bottom of the power head there are 2 yellow (older models it is black) plastic screws. You can remove these screws with a phillips head, or flat head screw driver. Simply unscrew these two screws. You do NOT have to remove these screws, just unscrew them to where they are loose enough to remove the bottom plate.
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Once you have unscrewed the plastic screws, simply pull the bottom plate up and off of the power brush. You will notice the belt on the left hand side of the brush. Simply pull the brush up, and un hook the belt from the brush;
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Now that you have unhooked the brush from the belt, you may thoroughly clean the brush, and un wrap any hair or thread that is wrapped around the brush. You will notice on the roller brush itself there are two indentions on both sides of the brush that run the entire length of the brush. You can take a knife or scissors and run them down the brush on both indentions, which will help you remove the stubborn debris wrapped around them.

Also you'll notice on both sides of the brush that there is a yellow bearing cap on both sides of the brush. You may pull these bearing caps off, and remove any debris that is around these caps. You may also lubricate these bearings with grease or WD-40, to ensure the brushes spin fluently.
3ab4cc7.jpg

After you have cleaned the brushes and bearings, insert the brush roller back through the belt, and into the power brush. You'll notice that the bearing cap will have two sides. One side of the bearing cap has 1 groove in it, the other side has 2 grooves.
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When you reinsert the brush back into the power brush, you may lower the roller brushes if the machine has been used a lot. If the roller brush is older, you will want to re insert the brush with the side that has 2 grooves facing upwards, and the side with 1 groove in it, facing down. In the first picture above, you will see that the side with 1 groove is facing upwards and is visible to the camera. The side with 2 grooves is facing down. This is because this brush is new. If your brush is older, you will want to reverse that, and have the side with 2 grooves facing upwards. When the brush is back into the power head, simply put the bottom plate back on, (IMPORTANT! Make sure that in the front of the machine the bottom plate is completely hooked onto the front of the power brush, there should NOT be any space in the front) Once you have screwed the plastic screws back into the power brush, in the front of the power head, push the bottom plate upwards to make sure there it is fastened tightly in the front.

I hope this helps you. If you have the larger, less popular SEB236 power brush, just send me an email, I'd be happy to walk you through cleaning the brush on this one also. If you have any questions about this repair, please feel free to email with any questions, I really enjoy sharing my knowledge, and passion fixing vacuum cleaners.

Chris Jones
GoVacuum.com
chris.jones@govacuum.com

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Good armature maybe needs new brushes


You can replace the carbon brushes and most repair shops should have them. Also tho, the armature could be causing the problem, if you put in new brushs and it still arcs badly, then the armature is bad.

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