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yes or for any oil lubricated reciprocating air compressor pump 30wt non detergent oil which is also used in vacuum pumps as wellyes or for any oil lubricated reciprocating air compressor pump 30wt non detergent oil which is also used in vacuum pumps as well
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I just rebuilt my Emglo AM78 4CHV, new pressure switch, unloaded, check valve, aftercooler, and changed the #30 oil, It takes 4oz.
Runs like new after not cutting in/out correctly and purging air before reaching 125 psi. Kicked it down to 115 max psi via main spring setting. Don't need 125 for trim nailing and siding.
FYI don't use cheaper generic 125 psi pressure switch from Amazon!!
use Jenny M4-1247 (140-1074-01)
The pressure regulator switch needs to be replace. This the little black box that your power cord comes out of. It screws into the compressor. You must remove the wires going to the electric motor. Then unscrew from compressor and replace with new regulator.
ON a d55155 compressor, you will find the dipstick on the left side as you are facing the control panel. Notice a small black knob on the end-bell of the pump. Pull out the dipstick and notice the oil level line just up from the tip of the stick. Over-filling will cause oil to leak. Use 30wt non-detergent oil or compressor oil. Good luck
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
Most reciprocating air compressors use a 30 weight non-detergent oil. Synthetic blends are the most common and least expensive.
Full
synthetics are about twice the cost but well worth it, especially for
smaller compressors. They dissipate heat better, and won't build carbon
or varnish like other oils.
I feel when it comes to oil in a compressor Full Synthetic is the way to go.
What are you putting the oil in? The compressor takes regular non-detergent oil, and it should have a dipstick or a site glass. The guns on the other hand, take the pneumatic oil, and most of them now days, don't even take oil. Only the older ones. I haven't changed or touched the oil in my compressor in 20 years. Any of them. Check it out.
do you mean the relief valve. it is factory set for your safety and the sefety of the equiptment. also known as the safety relief valve.
if you are talking about working pressure you need to adjust that with the air regulator.
if you are talking the cut out pressure sensor, again this is also factory set for safety. if your equiptment is designed for 110 psi then when your resivor reaches that set point it should cut the motor off and stop running.
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