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Why would my dewalt d28402 grinder start smoking?

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Could have been from an overload situation, usually SMOKE is from the electrical parts e.g. armature/field and would need to be diagnosed and repaired to prevent further damage.

Posted on Mar 04, 2012

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Posted on Jan 02, 2017

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SOURCE: new angle grinder dewault d28402 diamond disc

check your arbor size. (hole in middle of disc's) they must match up

Posted on Apr 21, 2010

  • 87 Answers

SOURCE: My son's Dewalt D28402 angle grinder gets so

that is normal...

Posted on May 26, 2011

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What could be the reason for my DeWalt dwe4011 angle grinder to smoke when turned on? No disk and brushes appear to be in good shape

The suppression capacitor by the switch or there was a problem with the housing of the electric field that was overheat and swollen and the armature running against the swollen plastic or by arcing sparkover by a defect collector.
The machine should get very hot , by only a supression capacitor remove it and leaf it out ,not neccesary for function its only for radio interference suppression on the mains.

Mar 26, 2017 | Dewalt Saws

1 Answer

How do I remove the gear from the gear housing assembly?

first grinding wheel > flange> safety cap > 4 screws >remove axis with drive shaft crown wheel > then 4 screws remove front with the armature if you must replace cone wheel and crown wheel. remove first the carbon brushes before take the armature out.

Dec 29, 2015 | Dewalt 4 1/2" Small Angle Grinder D28402

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I want to use flap disc's on my grinder with out the threaded portion attached. What do I have to do to install them on the grinder.

flap discs can be used on a grinder the same as grinding disc and cut off wheels . You may need a centre adaptor as some flap discs are larger in the centre hole

Aug 31, 2011 | Dewalt D28402 412" (115mm) Small Angle...

1 Answer

My grinder d28110 dewalt stop working. My friend told me that it may be the problem with brush. I opened the machine but I do not now where is the brush and how to replace it. Please help, Bozena

Most times , unless the unit has been used a big bunch, it's not the brushes it's the comentator that the brushes run on . spin it in the clockwise position while holding some crocus cloth to clean it. Remember to clean each groove as a piece of metal could short two copper pads and burn a wire and cause a dead spot. This can make act like a bad switch.

Nov 15, 2010 | Dewalt 65091601 Brush Set D28110 D28112...

1 Answer

I have a Dewalt Angle Grinder (4 1/2'' D28402) Checked that I have the O rings and don't see anything missing....don't know why but blade won't tighten down (unless I put the tightening wheel, wheel side...

What do you mean wheel side out? It should look just like the picture, the nut side of the disc threads on first. Depending on what disc you want to put on you may need a spacer that goes on first and then a threaded washer on the outside.

Jul 08, 2010 | Dewalt D28402 412" (115mm) Small Angle...

1 Answer

How do i change wheels

There usually is a locking pin that stops the wheel from turning. MAKE SURE YOU HAVE THIS UNIT UNPLUGGED!!! Press this button in while slowly rotating the wheel, once it engages the wheel will lock. With your wrench you can now take off the blade. It may have a left handed thread so going clockwise will loosen it.

Jun 06, 2010 | Dewalt 4 1/2" Small Angle Grinder D28402

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