DeWalt Compressor, breaker pops

by Carl
(Vallejo, CA)

The compressor is a DeWalt 110 psi, dual cylinder. Bought the compressor used. It will run my impact wrench until the motor has to kick in twice. At the second or third time the motor kicks in, the motor will start to struggle back and forth, and the circuit breaker will then pop.


At first I thought it was a faulty circuit breaker, so I replaced the circuit breaker, but the same thing happened with the new breaker.
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Carl, check the start and or start / run capacitor.

B.

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Dewalt 55154 Type 1 twin tank portable air compressor broken connecting rod

by Werner
(Cheyenne, Wyoming )

Bill, When I removed the oil reservoir and opened the case I immediately spotted a broken connecting rod. I have since removed the piston and broken rod.

My questions:

(1) the crank shaft has a whiteish material, does it require "dressing" with steel wool or cleanup? I Think it is reminants of the connecting rod aluminum.

(2) Is there some sort of teflon washer or slip on bearing that comes with the new rod?

(3) Is there an easy way to reinstall the rod and piston? Another words must the cylinder be separated from the casing to get the bottom of the connecting rod to slip over the end of the crank case, or can you do it with the cylinder and casing joined?

(4) Do you know the tool stud that fits to remove the two bolts that hold the cylinder to the casing? They appear to have female insert nut driver heads?

Thank You so much for your expertise and kindness in helping me (babysitting me) with this project! Werner (wmoore)

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D55151 milky fluid is forced out from the dipstick port

by gregg
(wisconsin)

DeWalt D55151 air compressor (Photo: www..dewalt.com)

DeWalt D55151 air compressor (Photo: www..dewalt.com)

d55151 hasn't been used in a while. when it starts, a milky fluid is forced out from the dipstick port. does this mean water in the oil,and if so, why is it being forced out? how do i fix this? thanks, gregg
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The milky fluid is, I suspect, a combination of lubricating oil and the water that collects in the compressor tank every time an air compressor runs.

As to the crud being forced out of the dipstick port, if you have overfilled the oil that might happen, a bit, but it's more likely that you have a really full oil sump and enough air is wicking past the piston seal to pressurize the sump.

Some air always migrates past seals into the sump, which is one of the reasons they are vented. Enough air to blow oil out suggests a quite severed piston seal leak.

Bill

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