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Welding Shop

Miller AEAD-200LE welder-generator

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Old 10-16-2010, 09:20:36 PM
Lil Joe Lil Joe is offline
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Default Miller AEAD-200LE welder-generator

I bought this unit new in 1984 and it been trouble free. With all the bad weather in the past ten months the generator has had a lot of use when the power has been off, days at a time. Now the generator output seem to be lacking when the furnace blower kicks on. It's rated at 5kva and I didn't have very much on line. I use # 12 romex cable for power cord. This problem has just started. Before I take the cover off, does anyone have any experience or have any tips on what to look for. Thank You. Lil Joe
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Old 10-17-2010, 12:45:44 AM
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OnanParts OnanParts is offline
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Default Re: Miller AEAD-200LE welder-generator

Check the output voltage. Is the fine current control set to 10? Idle speed at 1860 RPM? The AC generator side has a voltage regulator board, if it's gone bad your output voltage will be around 95-105 volts instead of around 120. Slip rings cleaned since you got it 26 years ago?
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Old 10-17-2010, 01:35:22 AM
Lil Joe Lil Joe is offline
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Default Re: Miller AEAD-200LE welder-generator

Onan Parts, thank you for giving me a place to start. I kept the oil and filter changed, plug and wires and new coil, but have done nothing to the generator. I did have the dial on 10 and the rpm's were 1850. I haven't taken the cover off to check anything, My electrician had his knee operated on so I was waiting. I will check the slip rings and connections for corrosion etc. I'm supposed to have my wrist operated on, but I'll get back to you. Lil Joe

---------- Post added at 01:35 AM ---------- Previous post was at 01:33 AM ----------

I forgot, the voltage was 114 volts.
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