Discussion for the Senco PC1010 1/2 HP Electric Air Compressor
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Question: Senco Compressor Charge
Senco PC1010: My compressor will not build more than 30 lbs. of pressure. I checked the unloading tube and there is air coming through. Does anybody have any ideas what could be the problem? Starts fine, air discharges from pump to tank but can't get over the 30lbs.
Is it possible for someone with a pc1010 to pull the cover on the pressure switch (1 screw) and tell me the wiring set up? Thanks
If you look at the Senco 2E21025TB Pressure Switch. On the back it has two lower terminals marked as Line. This is where the the wires from the power cord are attached, it doesn't mater which terminal the cord leads are attached to. The Higher Terminals are where the motor leads are attached, again it doesn't matter which terminal you use for the two motor leads. Do not forget to use the ground leads.
Question: Senco Pc1010 Pressure Switch
I just installed a new Senco comrpesser pressure switch and blew a breaker in the house. I wrote down the old configuration and that's how I wired it. Does anyone have a wiring diagram? I put power cord white on left, black on right. Motor wires were on top, white on left, black on right. Isn't this correct? If it doesn't work, what does it mean, hmm?
Reply: Senco Pc1010 Pressure Switch
Question: Emtpies When It Reaches Full And...
My senco pc1010 is about 1 year old. A couple weeks ago it started exhibiting and odd behavior. When it reaches 125 psi, it shuts off as usual. However, it immediately insists upon expelling all air from beneath the on/off switch -- there is a little that gets pushed when the off mechanism is triggered? any ideas why? and what to do? or replace?
Question: I Think This May Be Easy...
Have owned my Senco PC1010 for about a year. It has done very well, but has only been used maybe 50 times.
Recently, it will fill as normal and stop at the 125PSI mark. As soon as the auto-switch off clicks off, the air (all of it) is release from the mechanism beneath the switch where the little pin sticks out. I am thinking it is supposed to leak out a little and stop but do not recollect the exact way it behaved prior.
Just let me know which part to replace, and know that I appreciate your product and the work you put into it! :o)
Question: Senco PC 1010 Compressor Will On...
After a few months of no use I can now only get a max of 25 psi out of my compressor.
Any ideas as to problem?
Reply: Senco PC 1010 Compressor Will On...
If it is not that old of a compressor. I would think you may have a defective 2408008RNX Regulator. If it had heavy use before you put it away. It could be a number of wear parts. Such as the 3B34DC02 Rod Assembly and the, 3201068 Cylinder. You would have to inspect these parts for wear.
Question: Full Tank, Nothing Past Regulato...
I suspect the regulator valve 2408008RN, but here goes. Tank builds full pressure, regulator valve hisses when knob nearly completely backed out. Regulator pressure gauge shows zero. No pressure past regulator valve. Checked connectors and hose for obstructions, there are none.
Reply: Full Tank, Nothing Past Regulato...
I think your are correct in your thought regarding a defective 2408008RNX Regulator. Once you replace it your compressor problems should be a thing of the past.
Question: Senco Pc1010 2E21025TB
So, i just installed a new pressure switch and the compressor will not shut off automatically. when i shut down the compressor via the on/off switch air leaks out of the conection between the pressure unit and unloading tube set (it looks to be some type on needle valve). Does the pressure valve need to be adjusted? Do i have a problem with another part that is causing the problem? Thanks for the help.
Question: PC 1010
PC 1010 won't build pressure over 30 lbs keeps running and gets very hot
Reply: PC 1010
Remove the 3B11DC02A Exhaust Valve Assembly and you should see a broken reed valve or blown head gasket and cylinder ring.Hope that helps.Good luck.
Question: Senco PC0967 Repair
I have compressor that will run at first and charge to full pressure. As the pressure is reduced and the motor runs again it runs at a very low speed and trips the circuit breaker. Bypassed the pressure switch and it did not fix the problem. Ideas?
Reply: Senco PC0967 Repair
You might try replacing your 2414033A check valve. It could be causing your problems.
Question: Senco PC1010
What is the trick to rebuilding the pressure switch? It had a leak around the gasket so I took it apart and now it does not want to go back together.
Reply: Senco PC1010
This is the first time I've had a question on rebuilding the 2E21025TB pressure switch, since there are no internal parts available for it most people order a complete switch assembly.
Good luck, I hope you can repair it,
Reply: Senco PC1010
It is an absolute BEAR to put back together, spring tension is enormous. If you can find a suitable rubber membrane to make a new diaphragm from, it can be done. assemble it as best you can and start all 4 screws. right before you can tighten it up, push the flat piece nearest the cord entrance into place with a flat screwdriver and hold until you get it all tightened up (there is a small cutout there for that purpose. I'm a miser like no other, but a new switch is definitely the EASIEST method, but a rebuild can be done with Job-like patience and strong hands. Took me about an hour total.
Question: Unloading Valve
Where the Unloading Tube Set connects to the Pressure Regulator is what I believe is the Unloading Valve. It is not shown in the diagram or parts list. Is it available or does it come with the Pressure Regulator?
Reply: Unloading Valve
If I'm not mistaken, I think the item your looking for is the part number, 2414033A check valve. I hope I'm correct.
Question: No Pressure
I love my 1010 and it just stopped building pressure the motor runs and air goes into the tank but after about 2 pounds it stops building could this be a faulty check valve or do I need a new piston assembly?
Reply: No Pressure
Remove the cylinder head and check your reed valve and piston ring .If any of these are worn or damaged you will need to replace 3B11DC02A Exhaust Valve Assembly,3201068
Cylinder and 3B34DC02 Rod Assembly.The reason being is that on small oil less compressors these are high ware areas and by replacing all of this you do a clean repair on the pump..Before you remove the cylinder you could inspect the check valve but bad check valves will normally allow more pressure to build up then 2 pounds.Hope that helps.Good luck.
Question: Pressure Switch
1) air compressor hits the high pressure cut - out(approx 115 psi) and the motor stops air is released through the pressure switch. When the pressure falls to 80 psi the motor starts and builds pressure agin until it reaches the cut-out. This process repeats endlessly.
2) When the operating switch is turned to the off position, the motor turns off and all pressure in the tank is released through the pressure switch.
Reply: Pressure Switch
It sounds like you have a small leak somewhere. The compressor is building up to full pressure, then it leaks off to minimum pressure and restarts. How about a leaking check valve?