Question about Air Tools & Compressors

1 Answer

Electric Air Compressor Kobalt Brand

Stupid thing start smoking.  I take the plastic cover off and turn it back on, sparks are flying and then the collector catches fire which stops as soon as I unplug it.  I take it apart to clean the collector, the brushes are chiped and worn.  I lightly sand them and the collector, put it all back together turn it on exact same thing happens.  Possilby one of the flat surfaces that makes up the collector is a little off compared to the others and is causing the issue?  Kolbalt won't warranty it as they have a new manufactureer now.  

Posted by on


1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 3 Answers

You may have a short in the wiring if the fire stops when you unplug it. Sounds like something electrical is arcing. This is dangerous and you should take it to a qualified repair shop. Using it in this condition can cause serious injury or death. 

Posted on Jan 17, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

My kobalt 80 gallon air compressor won't turn on

BE CAREFUL! Jump the pressure switch and see if it starts. If so, replace the switch. If it doesn't start but hums, cut the power and try to turn the compressor by hand. Free it up if possible. If it does not hum, look for a reset on the motor or a blown fuse or breaker.

Dec 14, 2013 | Kobalt 5.2 HP 80-Gallon 175 PSI Electric...

1 Answer

I have a DeWalt D55168 type 3 air compressor that the motor brushes keep sparking and smoking.

If the compressor is relatively new and performs well, it is probably not an issue. Brushes always spark on the commutator but without seeing the extent of the sparks it is hard to tell for certain if it is "too much" or not. I wouldn't expect any significant smoke from the brushes and commutator or the armature unless it is brand new and the oils from manufacturing are being burned off. If it is a very old machine, it is possible the armature is shorted out and needs to be replaced.

If, on the other hand, it is not brand new, but a couple years old, has had use, but not heavy and continuous and you just see small sparks coming from the brushes, then it is probably ok. If the sparks seem larger than what you are accustomed to and you are seeing smoke coming from the motor at all (presuming it is not the brand new situation noted above) then the armature may be starting to short out and/or the windings in the motor may be starting to burn out. Electric motors that are used within their design constraints (not overloaded, not run on low voltage, not run continuously if not designed for that use, not overheated) do not tend to burn out. However, if the windings get covered with sawdust (which insulates them), you run the compressor continuously for hours on end, day after day, especially in a hot environment and/or with low voltage, then you have probably overheated the windings and the motor is burning out. For a compressor of this size and quality, it would likely cost more to have the motor rewound than it cost to replace the compressor. Also, if it has failed from overly hard use, rewinding the motor will not prevent another burn-out, you need a larger, more durable compressor.

Aug 10, 2012 | Air Tools & Compressors

1 Answer

It is an electric motor Dewalt Emglo Compressor model#D55151. What type of oil should I use in it?

Dewalt recommends using synthetic pump oil, however if you only use the machine occasionally and not in a commercial setting, standard compressor oil will work great and save you money. Synthetic oil will last longer and can take much higher temperatures without breaking down. Lowes sell the kobalt brand of compressor oil and sells for about $3 for standard and $7 for synthetic. Home depot sells campbell hausfeld brand but equally as good. Auto parts stores also sell a line of compressor /pump oil just watch pricing for your needs. If you can't find compressor oil, non-detergent motor oil works just fine. Good holidays

Dec 15, 2010 | Dewalt d55151 factory reconditioned emglo...

1 Answer

Kobalt air compressor starts and stops after maybe a second or less. Need to reset my wall outlet every time it stops.

sounds like it is drawing too much power. either the breaker isn't sized correctly or the motor has a bad winding causing it to draw too much amperage. remember, electric motors draw up to 3 times the juice briefly when starting up

Aug 07, 2010 | Socket Communications Decal For Kobalt...

1 Answer

What oil should I use if Hitachi oil isn't avalible?

On your next trip to Lowes look for Kobalt air compressor oil in the tool department. It sells for under $3 and works great for normal use. They also have Kobalt synthetic compressor oil for extreme conditions and longer use between oil changes. Sell for about $7. I also used Hitachi synthetic oil #19210b 8oz about $8 but hard to find. Kobalt synthetic costs less and works. Good luck.

Aug 02, 2010 | Hitachi EC12 Portable Electric 2hp Air...

3 Answers

Kobalt air compressor won't run

hi mate take the head off and inspect the valves and gaskets i had this problem and it was the gaskets gone just make sure the valves are opening and closing ok good luck

Jul 23, 2009 | Air Tools & Compressors

1 Answer

Kobalt air compressor problem plastic tube gets a hole


Apr 20, 2009 | Air Tools & Compressors

1 Answer

Air Compressor

Dewalt recommends synthetic oil in their compressors. The dewlat part # 5130427-00 quart, and 5130702-00 for a 4oz size. Available at or their service center. I have been using the Lowes brand of synthetic compressor oil. Kobalt oil sells for about $7 and works great. If you do not use your compressor all day like I do, you can use the standard grade of Kobalt compressor oil that sells for around $3. Synthetic oil is for extreme conditions. Good Luck!

Apr 01, 2009 | Dewalt 2 Hp 4 GAL Air Compressor

Not finding what you are looking for?
Air Tools & Compressors Logo

Related Topics:

647 people viewed this question

Ask a Question

Usually answered in minutes!

Top Air Tools & Compressors Experts

John Trevino

Level 3 Expert

1388 Answers


Level 3 Expert

2528 Answers

Brad Brown

Level 3 Expert

17441 Answers

Are you an Air Tool and Compressor Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides