(please note, the internal wires T2 & P2 on my motor are yellow) It is possible that Campbell Hausfeld made that compressor for Sears way back when because Sears really don't make their own shit.īut the internal wires on your motor that are labeled T2 & P2 are probably the ones you need to change. The motor looks similar to yours and is a Doerr brand made by Emerson Electric. I recently changed my old Campbell Hausfeld compressor from 120V to 240V. I want to make it clear that I am providing no guarantees that this will work, and you assume all the risk. ![]() Without a label on your motor or the manual that came with the compressor, this could be a bit tricky. It wont let me add another picture but imagine an old 3 wire dryer or water heater plug. All the instructionals say that there should be 6 wires but i can't see a T1 anywhere.Īlso is this the correct plug for this type of service? It was an old dryer plug before I converted it to 4-wire. ![]() Much more inspection revealed that the wires are labeled P1-P2 & T2-T4. I spent some time on the internet & learned that the coils need to be changed from parallel to series ( makes sense). ![]() There is no diagram under the covers on the motor & any decals it may have had on the outside are long gone. I found a wiring diagram for the switch that seems to indicate that it indeed is intended to run on 220 (L1 & L2). I don't know if the motor needs to be re-wired or just put a new plug on the switch. I have had it for the last 18 years or so & just moved it to my new house.Īnyway he told me that it will run on 220 so I wired the new shop for 220 with 10-2 run. I think he got it about 35 years ago when we everything from Sears.
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