Need new brush - Euro-Pro NV22 Shark Navigator Bagless Upright Vacuum

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.

Patricia,
It could be a couple of things that need looking at. You might need a new brush roller or a new motor housing. It sounds like something is allowing the belt to "ride" off of the pulley and it could be that the pulley is worn, or the housing that the brush is mounted in is now worn and the brush sits at an angle instead of being straight across. Take your belt off and wiggle the brush while looking at the brush mount. If the bearing wobbles in the mount area, you need a new housing. Depending on when you purchased this vacuum, there might be a possibility that it might be under warranty. Hope this helps!

Firs thing you need to do is check to see if the belt that drives the brush is properly connected to both the brush and the motor drive. Also, even though you say it is brand new, did something get caught in the brush and cause it to jamb? You may want to remove the brush and clean it of all debris and reassemble with a new(?) drive belt.
If you find this advice helpful, I would appreciate your feedback in the thumbs up response. If you need additional help, feel free to contact me.
Paul

You would have to contact the manufacturer.

You need to know that very seldom will new carbon brushes alone `FIX`a motor in todays vacuums as they are higher RPM than those of 30 years ago.
On a salvageable motor a good rebuild procedure will generally include repacking bearings, cleaning suction fans and reseating new brushes with an abrasive seating stone at low speed with a motor run in device with variable voltage

That said, I have not done a HENRY in years but it likely will contain a generic AMTEK Lamb type motor as it is sold as more durable vac.
On a traditional vac motor, carbon brushes are removed by releasing a clamp over the brush. The brush holder will have either a flag terminal on it where the wiring will disconnect from the side, or a flat flag terminal which slides into a pocket on the carbon brush housing.
. If you are going to the trouble of replacing the brushes, remove and inspect the old ones for wear and chipping. Also inspect the commutator surface on the motor where the brushes contact. If there are any curved gaps between segments, or if the com is worn like an apple core , you need a motor complete.
If the motor has simply worn to the point where a brush has stuck or worn to nothing, you may be bale to reseat the new brushes, however any evidednce of BLUE sparks or noise is not a good sign . Best of luck. Post back if you need more help

If you can see the arcing you are likely in the motor housing. The brushes are specific to the motor depending on RPM. Most brushes and motors in Sears units are supplied by AMTEK Lamb. The color on the plastic housing and stamped model # on motor will help identify the correct carbon brush, however new brushes will NOT always solve your problem if the motor is arcing.
If the armature is worn like an apple core or if the lines between segments on the copper commutator are gaping and not parallel you will need a new or rebuilt motor.
If brushes are properly removed there is a tiny flag terminal which will slide out of most brush housings where the wire meets the brush itself. New brushes are best installed after dressing the armature surface with a fine carbarundum seating stone or very fine wet dry sandpaper and then the motor is run in at half speed at reduced voltage.
|There is usually a hold down clamp over each brush to seat it and a lock tab underneath to align the new brush.

you might need a new agitator (brush). if you caught something on it like : shoe laces, socks or anything that stops the brush. you should see on the brush were the v-belt goes burn marks or even gashes. this is a indication that you need a new brush.

Make sure the vacuum is on the carpet setting..the brush won't turn on the hard floor setting..

Not likely. You just need a new belt. The roller has graduated bearing caps that are adjustable for brush wear. If you look on the bottom/back of the roller housing, you will see a guide that tells you which colour code you use to compensate for the brush wear. The bearing caps are colour coded to indicate the adjustment.

You should be able to order thru a repair shop, you will need your model number. Are you talking about the brush roll or an attachment brush?