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H Generator

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neblinc

02-28-2008 06:06:08




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I think I can just clean it up and put new bearings on the ends. Anything else I should look for?

Randy

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Clarkbug

02-28-2008 18:24:35




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
Andy, Do you know where you can order such a kit?
Also, do any other changes have to be made when moving from the cutout relay to the voltage reg? I know at least one of the two H's I just picked up has the cutout relay (at least I think so, it still has the high/low charge switch, and the Ammeter shows the difference in positions), so I would think about swapping...



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1fortyfanatic

02-28-2008 18:19:15




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 Re: H Generator in reply to Janicholson, 02-28-2008 06:06:08  
Clean clean, and clean some more. Also, from experience, clean up those two wire posts before you button it up, and make sure the inside wires are soldered to the posts, and the posts are tight and won't break loose when you go to attache the wires on the outside. Good luck.

Dave



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GordoSD

02-28-2008 15:40:02




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
Too bad you are not here in SD. Have a magneto shop in town, one man operation, For 60 bucks he would have that out in a day looking like a new one. He just did my starter for 41 dollars! It might fit in a 8 dollar flat rate box?
Gordo



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Andy Motteberg

02-28-2008 12:02:40




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
I'd clean it up real good and put in a kit that has new bushings, brushes, seals and other small parts. Make sure all the parts are in good shape, not worn or damaged. Make sure you lubricate the bushings and bearings with some oil or grease. Also, I think you should get a brand new voltage regulator, they are much nicer than the cutouts.

Andy.



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Farmall Guy

02-28-2008 10:52:03




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
You would probably be better off buying a new starter. It would make it more reliable.



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Farmall Guy

02-28-2008 11:01:21




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 Re: H Generator in reply to Farmall Guy, 02-28-2008 10:52:03  
I mean generator not starter!



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TractormanNC

02-28-2008 09:47:44




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
Looks like you have cutout relay. I would spring for a new VOLTAGE REGULATOR. Much better for controlling battery charging rate. Get one that mounts on top of the gen in place of the cutout. The "correct police" will never know (if it matters)



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neblinc

02-28-2008 07:15:11




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
So Jim, when you say truing the commuter, is that a machine shop thing?

Randy



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Bob M

02-28-2008 09:19:23




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 Re: H Generator in reply to neblinc, 02-28-2008 07:15:11  
Commutator truing needs to be done on a lathe. However based on your photo the commutator on yours looks pretty good. I'd be inclined to undercut it like Jim suggests, then polish it up a bit and use it "as is".

----

A couple more things to check:

- Cracked/missing insulation on the interior wiring - especially the ungrounded brush holder leads. (Insulation here often tends to break apart when the end cover is removed and moved around.)

- The solder joints where the armature and field leads connect to their respective terminal posts.

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Also as Jim suggests go real easy on the oil in the commutator end bushing. Excess oil and the commutator/brushes to NOT get along well together!

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Janicholson

02-28-2008 06:21:03




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 Re: H Generator in reply to neblinc, 02-28-2008 06:06:08  
The commutator bars are undercut .020" so when truing the commutator, make sure to maintain the groove. A hacksaw with fine teeth will work. Do not use a petroleum solvent, use electro-Motive spray or equal. Synthetic grease will assist in getting the bearings lubed for initial running. Use it spareingly to prevent getting excess on the commutator/brushes. Check each brush spring to be sure it is sound. JimN

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