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Hobart Powerweld 6500 rebuild


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  #1  
Old 12-17-2018, 01:39:04 PM
DJB6.03CE DJB6.03CE is online now
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Default Hobart Powerweld 6500 rebuild

Picked up another project
86 Hobart powerweld 6500. Model 6702 Kohler M16S
Not a lot of info on these

Motor runs well. Auto idle not working, and no voltage output in either welding or 110/220 volt .
Previous owner didnít seem to knowledgeable so hopefully something easy to fix.
Motor is super loud even with that big ass muffler on there.


[url=https://flic.kr/p/RuwDCo]
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Old 02-18-2019, 06:53:04 PM
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Default Re: Hobart Powerweld 6500 rebuild



Iím having a heck of a time getting this armature separated from a Kohler K341.

Itís pressed on a two inch shaft, not tappered as far as I can tell.

Iíve taken out the through bolt and put a rod inside. The inside is threaded so I put a bolt on top to try and push the shaft out/off.

Iíve tried a hammer, also tried a air chisel.

I guess Iíll leave it vertical with some WD40 soaking in the hole.
And maybe a heat gun, I canít use a torch because of the windings and a plastic fan.

Any input would be made ch appreciated.
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Old 02-18-2019, 09:05:42 PM
circuitman circuitman is offline
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Default Re: Hobart Powerweld 6500 rebuild

try the grease gun trick, tap the end for a grease gun zerk. screw in & attach the grease gun to it & pump full of grease as much as you can get. put something soft to catch rotor. hit with a dead blow or rubber hammer & she should come right off, if this is a taper.the hydraulic pressure from the grease causes it to release. a little messy but it usually works!!! keep us posted
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Old 02-19-2019, 01:57:58 AM
cobbadog cobbadog is offline
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Default Re: Hobart Powerweld 6500 rebuild

I do not know these machines but I would unbolt the short metal flange (adaptor plate) just in front of the fan. This should seperate from the engine and then a fixing bolt may be on that side.
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