Won't start and smells like burn

by Douglas Armstrong
(Howell n.j)

Has a wining noise and it smells like burn and it won't built air

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Jan 31, 2017
Exact same problem
by: Steve

Makes whining noise, motor spins but compressor isnt making compression noise or building air!

Jan 30, 2017
Won't start and smells like burn
by: Bill

I'm puzzled. If it won't start, how can it have a whining noise?

This were my Bostitch compressor, I'd check the motor capacitor first.

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Bostitch no power electrical burn smell

by Paul
(Virginia Beach, Va)

Bostitch pancake air compressor

Bostitch pancake air compressor

Bostitch pancake compressor no power electrical burn smell

Bostitch pancake compressor turned on for less than 1 second then electrical burn smell. Beginner level of knowledge worth trying to fix?

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Nov 08, 2014
Bostitich burnt smell
by: Bill

I don't know what model is yours, Paul. I've uploaded an image, but don't know if this is your Bostitch compressor or not.

This one has an ON/OFF switch. If it's the switch that's burnt, it's only a few dollars to replace.

Of course, the issue is what's burnt, and what's it cost to replace whatever has failed. No way I can know with the information you've provided.

You need to use a multimeter to trace the power flow to find where it stops, and that may identify the part in question.

Or, simply bypass the ON/OFF switch for a quick check to see if that's the problem.

The compressor I've shown retails for around $110 or so. If it's a motor that's failed, for example, the motor cost may exceed that value.

If you decide to replace, don't toss out the old compressor. Keep whatever parts off it are suitable as replacement parts for the new one.

Bill

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Hot Electrical Smell, Seems to be Excessive Arcing?

by Shawn L
(Utah)

6 gal oil-free Bostitch pancake compressor

6 gal oil-free Bostitch pancake compressor

6 gal oil-free pancake compressor. About 4 years old, used infrequently.

Air issues are fine but recently it's begun to smell really hot electrically.

I opened the motor cover and powered it on. Seemed there was excessive arcing between the brushes & commutator although I don't know how much there should be. The commutator was quite dark. I polished it gently back to bright look and verified all seemed to be fine with the brushes. Powered it back on and the commutator was quickly darkened and the arcing was the same amount.

Hot electrical smell is reduced but I've only had the motor on 20-30 seconds.

Commutator is hot; sizzles when touched with a wet finger.

Would like to get input here first before running long and possibly damaging it?

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Sep 05, 2014
Brushes
by: Doug in s.d.ca

Yeah, that ain't good.

I'd take out the brushes and make sure they move freely in the holder and have a fair amount of spring to them. Also check that they seat onto the armature flat.

Might want to take a meter to 'em to make sure they are electrically solid.

Make sure the windings in the armature are not shorted together - may be copper dust in the commutator.

The commutator should be sort of a dark almond color, not black, and you shouldn't see but a tiny arc.

Good luck.

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6 gal pancake compressor burn smell

Brand new and everything seems fine..pressure building but about halfway it started to make what I consider a funny sound and has a slight burning smell..what is wrong here?

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Feb 02, 2017
"6 gal pancake"
by: Doug in s.d.ca.

...narrows it down a bit - but what specific model did you buy?

After break-in, possible causes vary, depending.

Feb 02, 2017
New compressor burn smell
by: Bill

Assuming the manual indicates what that is, did you follow the break in procedure?

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Burnt smell pancake bostitch compressor

by Haley
(Boll)

Brand new pancake bostitch compressor smells burnt. Why?

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Dec 19, 2016
Burnt smell
by: Doug in s.d.ca

Before or after it was plugged in?

If after, how long?

Did it build any pressure?

Dec 18, 2016
Pancake bostitch compressor burnt smell
by: Bill

Did you follow the break in procedure?

Are you using an extension cord?

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