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Brushes Hi Is there a way of telling if my drill brushes are there a minimal length of the carbon Thanks John Feel free to ask any gas appliance questions as that is my trade(especially gas boilers

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Well i use to rely on makita and Campbell Hausefield and because I used them a lot - I always had a set on hand - I as a general rule would not run them below 75% wear- go to their web sit and check - be advised that as the armature wears- you will get less mileage from brushes. Best of luck. Oh replace them is you are in doubt-this willprevent bunrout on armature

Posted on Oct 16, 2008


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Rival slicer model #65301, sparks when I slice meat, need a new motor ?

possibly not as sparks can be from low brush length or the armature needs a clean up
all brushed motors spark when they run and normally it is a small blue spark the full length of the brush and contained under the brush
If it is a harsh arc like spark then the motor should be looked at by an appliance repair shop

Oct 05, 2015 | Kitchen Appliances - Others

3 Answers

Sparking from the rear air vents during use--cause and how to fix

The most likely cause is the carbon brushes that make contact with the armature are badly worn. There should bea circular port on either side of the housing near the rear. They look as if a coin would be the right shape to unscrew them.when removed you should see a spring and a carbon block on the end. There will be a severe concave gouge at the end. Perhaps almost no block at all. It is simple to replace then bushes, simply slip in the new ones and align the spring to the cover and screw back on.
Take note that the bushes may so badly worn that they will fall apart when removed.
Get new "carbon bushes"for that model drill before disassembly, they are not expensive, look on ebay. If this is not the problem the chances are It is a faulty armature, in which case by a new drill, happy fixing.

Aug 02, 2014 | Dewalt DC900KL Heavy - Duty 36 - Volt...

1 Answer

Drill does not work when i press the trigger

Did you take a look at the carbon brushes?. Metabo has what they call Auto stop Carbon brushes. so if they are worn down they will pop away from the motor and the drill will simply not run. this happens when the brushes are basically worn out.

Mar 16, 2012 | Metabo SBE1010PlusC 1/2" 0 900/0 2,600 Rpm...

1 Answer

HI, My neighbours are complaining about the interference my drill is causing to their tv, radio etc. What is causing the problem and how do I combat it?

check the power cable of the drill is it a 2 prong or 3 prong plug? if it's a 2 prong it is an insulated power tool it is prone to emitt EMI (Electro Magnetic Interferance) becaus the casing is usually plastic, what could be done is check the carbon brushes inside the drill they could be worn and produce a lot of blue sparks, replace the brushes, if it's a 3 prong check for a faulty ground, with a faulty ground the metal casing of the drill is not shealding the EMI and could be deadly for the user in the event of a faulty live wire touching the casing

If all is well for the drill, contact a qualified electrician and ask for a EMI filter you could ave installed in the electric panel

Good luck!

Dec 31, 2010 | Drills

1 Answer

Hi, ive just bought a new Makita drill Ive noticed that when using the drill i will occasionally see a bright flash inside the 'barrel' area when i release the trigger just as the drill stops spinning. Is...

For the carbon brush to sparks as the motor turns, it is just normal especially for new ones. It will be minimal when the brushes sets well on the rotating commutators.

Nov 24, 2009 | Plumbing

1 Answer

I have a Dewalt DW 566 type 3 sds+ drill that runs slow and sparks arround the comutator. Ps I have already fitted new brushes

Take the carbon brushes off one at a time. Clean the
commutator by Grit 800 sandpaper to clear it from carbon deposits. You can manually rotate the drill to have it clear from carbon deposits. Thereafter clean it
further by cotton cloth. Sparks will now be minimized
until the brush is fully seated on the commutator.

Nov 22, 2009 | Washing Machines

1 Answer

I have fault code E30 any ideas?

Hi there,

E30 indicates a motor fault.
Unplug the appliance from the wall socket, remove the lid and remove the carbon brushes from the motor. You'll probably find them worn out or broken.

Good Luck!!


Nov 18, 2009 | Hotpoint Dryers

1 Answer

Replacing carbon brushes of csb 500 re bosch drill

bosch brushes are unique. they have a spring embedded in the carbon so when the length gets too short, the spring lets go and raises the brush above the commutator and the appliance stops. you need to remove the handle partially or the brush covers and unscrew the brush holder(s) two small screws secure the brushes and holder to the appliance.

Oct 13, 2009 | Bosch Drills

3 Answers

Hi, My hammer drill HILTI TE76-ATC has service red light on. How can I solve this problem? Thanks

Hi. It all depends on the age of it as there are 2 different types of electronics fitted to the TE76.
If you have an early model, the service light came on when the brushes were worn or it was in need of a service. Check your brushes 1st. then to reset the light, simply pull the trigger and hold it untill it resets.
If you have the newer type then you will need to reset the service light by attaching a data reader to the service light. this data reader plugs in to a PC, you will also need the HILTI ODA Software to go with it. Basicaly you need to send it back to hilti to have is serviced and reset. if your machine is less than 2 years old, this is FREE. just phone hilti and ask them to collect it. they will pick it up, service it and get it back to you in 3 working days. if you not sure how old your machine is simply phone Hilti and ask them, quoting the serial number. this is etched into the plastic on the left side of the machine underneath the white writing on the motor housing. Good Luck

Sep 25, 2009 | Drills

3 Answers

Washing machines

sounds like your belt may be loose or the timer control maybe worn out

Aug 17, 2008 | Hotpoint Aquarius WD63 Front Load...

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