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Air Compressors 101
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Discussion
Discussion for the Porter Cable CPLC7060V TYPE 1 60 Gallon Stationary Vertical Air Compressor
I have a CPLC7060V-1 upright compressir which just froze because of low oil. I didn;t notice that a seal had work off and leaked oil. The deleima because I can get the crankshaft but the connecting rod is discontiued. I called the dealed and in ereplacement and it's not available. If someone has the compressor pump where someone is upgrading or getting a larger one and would like to part with it, please let me know. Thanks
Similar to another problem that I saw posted on your forum, I have a Porter Cable CPLC7060V TYPE 1 (I believe) and when there is pressure in the tank, when the air pressure hits the cut-in set point. The motor attempts to restart but kicks out the 220 breaker. When I drain the air from the tank down to nothing, and reset everything, the compressor starts up and produces air and reaches the cut-out set point and shuts down properly. But as I use air, when it reaches the cut-in set point, the same thing happens again. I did replace, as you instructed someone else, the check valve (A19175) but nothing changed. Same thing still happens. Do you have any other input as to what could be causing this and an idea on how to go about checking/verifying whatever that suggestion may be? Any input you may have will be helpful!
Darrell, what you have sounds like a bad starter capacitor on the motor. This is under the little box attached to the motor. The starter capacitor gives the motor a surge of power to get it started. If it isn't sold as a part get the numbers off it and check with a motor shop about replacement. Hope this helps.
Mark
I have a Porter cable air compressor model- CPLC7060V type-2. It has developed a condition of a slow running. While running slower than normal it appears to almost have a variable speed. It does not sound like a binding condition but possibly the motor can not obtain full rpm. Any ideas?
I have a cplc7060v compressor. I have replaced the check valve. The compressor runs until it gets to 40 psi and then the pump bogs down and stops running. The motor is still running, but the pump is not. I disconnected the tube from the check valve. The check valve is not leaking back. I then started the motor with the check valve disconnected and the pump works. Then I pushed the check valve tube back onto the pump and it slows down and stops. When it pull the check valve tub back off it starts again. Can you help?
I have the cplc7060v and the crank broke. What would be the best way to repair this? Can I get a new crank and install it or do I need to get a new compressor? What is the torque on bolts and the part number for the crank? Thanks.
I have an air leak between the valve plate and head, the graphite gasket seems to be the problem, the manual requires the repair be made by a qualified tech. Not sure why, it seems to be a straight forward repair "remove screws, remove head, remove gasket replace gasket and reassemble". Am I missing something here? Is there a torque spec, is something spring loaded? and if I am replacing the one gasket should I be replacing other parts simply because of disassembly? Thanks in advance Roger
I also had the same problem. just took the head off real simple to do no small parts seems the head gaskets are poorly made better get a couple sets good luck
I have had this unit for about 5 yrs. I use it for personal use in my garage, nothing major. I run a Coats tire machine with it and air tools.
I have noticed that I seem to be getting oil into the tank. Where should I look to remedy this situation? Also, as near as I can tell, the head gasket or valve gasket is blown; I get a lot of air coming out from that area when it is running
The oil in the tank is likely a sign that the piston rings are worn and are allowing oil to blow by them. The air leak is likely one or both of the two upper gaskets. To repair the oil leak you will need new piston rings and have the cylinder honed. The piston rings are no longer available from the manufacture. The machine shop that hones the cylinder may be able to help you with new piston rings. The two upper gaskets are the following numbers. Valve Gasket, Part #A20868 and Graphite Gasket part #Z-CAC-291-1. These parts are available from http://ereplacementparts.com.
I have a model CPLC7060V (I believe Type 1) 60 gallon, 135 psi compressor. When the air tank is completely empty, the unit starts up properly and builds air pressure until it reaches the factory-set cut-out point. When I begin using the air and the pressure drops to the point of the cut-in setpoint, the unit attempts to restart but the motor apparently overloads and kicks out the 220V breaker. If I drain the tank completely once again of all air, reset the breaker and turn the unit back on, it will restart and run normally once again but again, when I'm using the air it won't restart but just kicks out the breaker. I installed a new check valve (part A19715) but nothing changed....same problem. Does anyone know if there are other things that can cause this same problem?
It sounds like your starter capacitor is bad.This gives the motor a burst of current to get it started when their is a load on it.The motor doesn't need help when the tank is not charged with air. Hope this helps.
i have a porter cable air compressor model number cplc7060v i am replacing the head gasket and i believe the head plate gasket i need to know what the torque spec are for the head bolts , bottom pan bolts , and the connecting rod bolts i cannot find this info anywhere and would appreciate the help thanks
I have a Porter Cable Single-Stage vertical 60 gal. compressor, model # CPLC7060V-1. I use in my artist canvas manufacturing biz. Over the last two weeks I have been smelling a burnt or hot oil smell when it runs. Today the compressor was smoking when it was pumping. When I put my hand on top of the compressor at the air filter, the whole top of the head was covered with oil.
I removed the compressor pump from the tank and took it to my bench. I removed the filter cover and found the intake ports covered in oil. I pulled the head off the pump and inspected the pistons and cylinder walls. All looked good. I removed the oil pan off the crankcase and checked out the crank, rods and lower cylinder walls. Again, everything looks great. I noticed a small black nylon looking mass inside one of the pistons. After getting out the parts manual, I see these are (2 of them) filters for the crankcase vents.
Is it posibel with one of these filters out, oil was being thrown up the vent and on to the air intake ports and intake filter? I would appreaciate input from anyone who knows before I replace the compressor pump.
Hey Paul,
The filters are there to keep the vent clear of small particles..If somehow the vents get plugged ...it creates back pressure in the pump and causes the oil to escape or be pushed past the rings into the head..another possible problem is that air leaking back thru the tank check valve and got back into the pump and caused this..also too much oil added can be an issue because of the 'splash' design of the pump where the piston rod tips splash down into the oil to lubricate..:) this pump.. however is difficult to overfill so you may have some other problem..
Make sure your pump head is cleaned of any oil in the valves, replace gaskets if needed..and inspect the check valve for leaks..[with the tank filled up it should not leak at all]
parts avail at ereplacementparts.com
hope this is helpful..
cmoorejack
Reply: CPLC7060V-1 Porter-Cable Compres...
paulroccafortesr
Thanks!!!!!
I checked everything you suggested. I did notice a discoloration between the cylinder bores that went across the crankcase breather port slot. After reassembling the pieces of gasket that pulled apart when I pulled the head and valve plate apart. It seams there is about 3/8 inch of gasket missing. I have ordered a gasket kit and will put the pump back together and see what happens. I am going to use head gasket cement when I assemble the parts.
Again....thanks for all your help!
Paul
i have a porter cable cplc7060v-1 compressor and i am replacing head gasket, valve flappers and valve plate gasket. the valve plate assembly has small pits and the top of the pistons have these small pits too. is there a way to clean these up or just leave them the way they are? please help. Thanks
Hey Gonncrazy,
As long has you are replacing the valves you should be ok..The pits are usually caused by build up of carbon and or outside particles..you can use a piece of emery cloth to " smooth" down the pitted parts but make sure the cylinder is wiped or cleaned out sufficiently before you reassemble..[rotate the crank until the piston reaches the top of the cylinder for easier access..]
Hope this is helpful..:)
Craig
Hi,I have a porter cable mod.cplc7060v-1.The problem is the motor won't start if there is any air in the tank,it tries but then it kicks the reset.I think it might be one or both of the capcitors on the motor.Is this where I should start.
thanks
Hey mbradshaw,
Most likely it is the check valve...part # A19715 that is the problem..[it lets air in to the tank and not back out]..so what is happening when the motor tries to restart.. there is back up pressure in the head of the pump from the air leaking back out of the tank it and creates too much of a load on the motor.. an easy check is to loosen the nut on the small bleeder tube after the air comp has filled up and shut off..if it leaks any air..its the check valve..however, the motor might have some issues also from the hard starts..and you may also have a stuck head valve causing another load or heat problem..
parts avail at ereplacementparts.com..
hope this helps..:)
Craig
I purchased this used right before Christmas 07 and just hooked it up this weekend. I have about a 40 ft run from my main service panel to a sub panel using a no. 6 wire that I run my welder, from there I added a box with 2 - 20 amp breakers and ran a no. 12 wire about another 45 ft to a 20 amp recepticle and from the recepticle I used the existing plug off the compresser motor, looks to be a no. 14 wire.
Here is my probe, the air compresse starts up and run fine until it get to about 20 psi and it starts bogging down and the after about 1 minute the over load kicks out.
Hey eric68,
It sounds like you have adequate power supply..you may have a bad check valve on the air compressor and it is letting air back out of the tank and then back in to the pump head..also make sure you don't have anything else running on the same circuit by mistake..also make sure it is 220 and not 110..anyhoo..to check if it is the check valve just undo the the fitting[make sure you have some air in the tank] on the small copper tube going to your pressure switch and see if it leaks..if it doe's that is the problem..
hope this is helpful..
Craig
Reply: Porter Cable Compressor CPLC7060...
Erick68
Ok I ordered an new check valve took about 2 weeks to get here and replaced it. It starts and runs up to 40 psi and just keeps running. Does not want to go above 40 psi. What next?
Reply: Porter Cable Compressor CPLC7060...
cmoorejack
Make sure your drain cock is fully closed..[bottom of the tank]..check all your air fittings/nuts are all tight..while the air comp is running move your hand over the fittings to check for air leaks..sometimes it is hard to hear leaks over the air comp noise..
Craig
Reply: Porter Cable Compressor CPLC7060...
Erick68
I put this off for several months,still having troubles, I replaced the head gaseket and the assembly valve plate and previously relaced the check valve in the tank and toqued the head bolts to 250 in pounds. Turned it on and when the compressor got up to about 40 psi I noticed air blowing back out of the head out of one of the valves. Do I now need a need a new compressor head?
Reply: Porter Cable Compressor CPLC7060...
cmoorejack
Hey Eric,
Sorry to hear you are still having problems...are you sure you you reinstalled the valve plate assy correctly? The ports have to align up so they draw and push the air the right way..recheck the parts breakdown to confirm..if it is installed [backward] it will blow air out..also make sure you check all your fittings and allow enough time for the compressor to recharge the tank..[some pumps have a cold start valve in the head that doesn't close until it exceeds 30 to 40 psi..] with the pump running you should feel a suction where your air filter is [check it with the filter removed..if it is blowing out the plate needs to be turned around to the other side ..
hope this helps and good luck..?!:)
Craig
Reply: Porter Cable Compressor CPLC7060...
Erick68
I double checked the plate and ran the compressor without the cylinder head wondering if the compressor was heating up and siezing up, did not appear to be a problem.Put everything back together and started it up again. The air coming out of the top of the head is coming from a 3/16 dia hole in the to cylinder head. It appears that the air may be coming out of the crandcase? Blow by because the rings are not sealing properly?? Not sure why the compress would get up to about 40 psi and tax the motor and stop running.
This thing has got me puzzled.
Reply: Porter Cable Compressor CPLC7060...
cmoorejack
Hey Eric,
Holy moly..It still sounds like you have a valve problem..you may try to re-install the plate assy the other way..just rotate it so the valves are on the other side of the pump..[180 degrees] just to see what happens..:) it wont damage anything and you should see a major change..good or bad.. uh..that's all I got left on this one...:o
cmoorejack
I have been running this compressor for several years now, not sure how many actually but maybe as many as 6 or 7.I should have gotten a bigger one from the start because this one was at the minimum CFM that I needed. So it has been run fairly hard for a weekend hobby user. I have used it to sand blast parts, run sanders, grinders, cut off tools, die grinders, etc. I cant tell you how many hours it has but it allot IMO. The only problem I have had with it was one check valve and now the outlet tube #33 broke off at the check valve. I expect to get many more hours out of this compressor.
compressor is actuall a DeVilbiss. The name and model are spray painted over by Porter Cable.THe castings were made poorly and the compressor failed at an early age.The pump is listed as"obsolete." in parts catalog.