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Inherited an old Sears model 106.154541 oil air compressor. After first use, it blows circuit breaker every time it starts up. Help?

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  • Air Tools & ... Master
  • 9,845 Answers

Check the start capacitor on the motor and the centrifugal switch inside the motor to see if it operates correctly.

Posted on Dec 13, 2016

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Posted on Jan 02, 2017

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blueextc3221
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SOURCE: where can I find an owners manual for my old sears

CLICK HERE for a PDF version of the manual.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Posted on Mar 09, 2010

  • 1388 Answers

SOURCE: Oil capacity for craftsman air compressor circa 1978 model #106..

I have a 2hp craftsman air compessor with a two cylinder pump, Here is the info from my manual as far as oil capacitity:

Remove oil fill plug and slowly add
a compressor oil until it is even with the
top of the oil fill hole. NOTE: Do not
allow oil to be lower than 3/8"
from the top at any time. When filling
the crankcase, the oil flows very slowly
into the pump. If the oil is added too
quickly, it will overflow and appear to
be full. NOTE: Crankcase oil capacity is
approximately 16 fluid ounces.

I buy my compessor oil from Lowes in the tool department. It comes in 16oz and sells for about $3. I wouldnt worry about how many ounces it holds but rather that the oil level is to top of filler hole. Lowes also sells a synthetic oil for about $7 and is recommended for severe conditions (hot / cold / used all day). Good Luck!

Posted on Apr 26, 2009

  • 1388 Answers

SOURCE: keeps blowing the breaker... only 6 months old

This compressor is small however like other brands in this size range draw 13 - 15 amps. Thats quite a bit of power. The compressor has a thermal breaker that will begin to trip if compressor is hot. I am assuming that the breaker that is tripping is the one on the compessor. I have seen many hitachi breakers fail. Easy to replace with generic 20 amp, cost about $10. Before you replace anything, check amp draw with meter, if within specs try to determine what is causing heat.
example:
cycling too many times per hour (check manual for recommended)
low power due to weak circuit or extension cord
using generator for powering compressor (not recommended)
using low quality oil (use synthetic if hot climate)
air leaking from intank checkvalve back to pump
If no reason to overheat then replace breaker on compressor to 20 amp but watch for overheating. Good luck

Posted on Jul 10, 2010

  • 2468 Answers

SOURCE: sluggish on start and blows the breaker on compressor 17amp

replace the start capacitor on the motor body,it is located under a metal cover by loosening 2 screws,it is getting weak,also if you leave this breaker jumped,you will soon over heat the motor windings and ruin the motor

Posted on Apr 09, 2010

  • 2 Answers

SOURCE: Sears Craftsman 3-Gallon, 1.5 HP Air Compressor Hums

YES IT MAY BE THE CAPACITOR . IT COULD ALSO BE THE WIREING IN THE MTR, THE PUNP ITSELF.

Posted on Nov 26, 2008

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In our shop we have found the conditions you describe are almost always attributable to the power supply. First, never run a compressor on an extension cord, you are always better off running longer air lines. If you absolutely have to run an extension cord use a least a 12 guage cord no longer than 25 feet. If possible plug the compressor in as close to the circuit box as possible. Lastly the circuit the compressor is plugged into should be rated at least 15 amps, 20 amps is recommended for most compressors. Low amp lines cause the motor to overheat trying to get enough power and usually blow the circuit breaker at the motor and not at the circuit breaker. Lastly, use only compressor oil in the pump and make sure it's not overfull. This will also cause the motor to work harder and trip the circuit breaker.

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Keeps blowing the breaker... only 6 months old


This compressor is small however like other brands in this size range draw 13 - 15 amps. Thats quite a bit of power. The compressor has a thermal breaker that will begin to trip if compressor is hot. I am assuming that the breaker that is tripping is the one on the compessor. I have seen many hitachi breakers fail. Easy to replace with generic 20 amp, cost about $10. Before you replace anything, check amp draw with meter, if within specs try to determine what is causing heat.
example:
cycling too many times per hour (check manual for recommended)
low power due to weak circuit or extension cord
using generator for powering compressor (not recommended)
using low quality oil (use synthetic if hot climate)
air leaking from intank checkvalve back to pump
If no reason to overheat then replace breaker on compressor to 20 amp but watch for overheating. Good luck

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