Any luck yet? Marty is on the same page as my original comment to your
post. Just wondering how it was going..
Fraser Competition Engines
> Is there a regulator on the generator ? it might over-rev with no load... >
> There might be an internal switch that doesn't switch nicely.
> Martin H. Eastburn
> @ home at Lions' Lair with our computer lionslair at consolidated dot net
> NRA LOH & Endowment Member
> NRA Second Amendment Task Force Charter Founder
> IHMSA and NRA Metallic Silhouette maker & member
> Mike wrote:
>> Thanks for the reply. I fixed the throttle and it's not the engine. The
>> generator is charging and then not charging. Almost in a timed interval >> of
>> about 4 minutes or so. But there is no load applied. When it's >> "charging"
>> it will weld. Welder has set up for five years or so.
>> You can actually here the engine load up a little when it goes into the
>> "charging" mode.
>> I'm a diesel injection specialist and it's not the pump or engine. Would >> the
>> brushes come and go?
>>> Is the RPM staying constant or is it "hunting-or-surging"? If not, >>> and
>>>it's stable and staying at a constant speed the brushes may be shot or on
>>>the way out. I just replaced mine in a Miller Legend just for good >>>measure
>>>and I noticed a surprising increase in the weld power. I also cleaned the
>>>commutator, rotor-gizmo with abrasive cloth and it made a huge >>>difference.
>>>(Five bucks total cost) If the engine is bouncing all over the place I
>>>don't know if your unit has one but there is a solenoid on mine attached >>
>>>the governor linkage that affects the engine drive speed when set to the
>>>"weld" or "auto detect" setting. Maybe take a look at the circuit and
>>>hardware. My manual indicates that the springs have a short service life. >>
>>>it's weak, the governor could easily be getting out of whack. I just was >>
>>>too clear if you have stable engine performance or just electrical
>>>fluxuation. I have only fixed my Miller and I rebuilt a Pipe-Liner for a
>>>friend a week ago, I'm no expert. I'm just tossing out what I have to >>
>>>Fraser Competition Engines
>>>>Sometimes it welds.
>>>>Welder cycles on and off like a load is applied but there is no load.
>>>>Why would the gen set load and unload. It will only weld while it's >>>>"loaded"
>>>>The throttle is fixed and the engine is stable, it's the gen set that is
>>>>coming and going. Any ideas? Old generac with Kubota engine. 5,500 w >>>>