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Starter problem-need cheap advice

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AGR538

09-23-2002 14:49:52




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Starter on my '40 H was sluggish and now will not turn over the motor. It just barely engages the bendix and then nothing. Battery is hot...everything else is OK just no turnover. Evidently I need another starter but I was wondering if there was anything I could do to salvage the old one. Possible rebuild myself or something that is cheaper than buying another one. Before anyone comments...yes..I do have a hand crank but no..I am not that cheap.

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Corey

09-24-2002 16:50:54




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
The most cheap way to do it (if it is not to badly burned out) is to spray a lot of CRC Lectra-Motive right into the starter and let it dry that may restore some of the power. But a rebuild is most definanitly inevitable somewhere down the road.



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Kendall

09-24-2002 07:18:21




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
The starter on my Super-A got slower and slower and finally just stopped. I took it apart, cleaned, lubed bushings, cleaned armature (I used machinest laping paper so as not to imbed sand particles into copper)and installed new brushed. Now it spins at about 1 billion rpm!!



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joe

09-23-2002 19:15:14




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
Check your cables like the others said, BUT.... I had the same problem with our H a few years back. I took the starter off, disassembled, shined things up, lubed things, etc, put it back together, and presto, it works like new. So you could try that too. All someone in town would do (for a hundred bucks) is take it apart, shine things up, and possibly replace brushes.



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Gerald (aka been there done that)

09-23-2002 19:03:55




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
Had the same problem on my M. Restored it myself several years ago and replaced the battery cables. It has a 6 volt system and the cables I replaced it with were two thin and the tractor just barely would turn over, even with a new battery. Replaced them with heavy duty 1 ga cable. Now it will spin till the cows come home....Good luck.....Gerald



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gene b

09-23-2002 18:43:19




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
the most important thing is the cables they should be 1ga and the shorter the better and ground to the frame not a piece of sheet metal



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Michael Soldan

09-23-2002 17:14:01




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
AGR538, the starter can be rejuvinated. New brushes are likely needed and the armature can be freshened up with some fine emery cloth, just to shine it up. The brushes aren't that hard to change. Check end play as well, if the armature will not turn freely you need to replace the end bushings as well. Bench test the starter and check end play first...if it won't turn over on th bench you may need a rewind in which case a used starter is an option. Definitely check your cables and ground as F14 has suggested...Good luck from Mike in Exeter Ontario.

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F14

09-23-2002 15:56:47




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 Re: Starter problem-need cheap advice in reply to AGR538, 09-23-2002 14:49:52  
Very frequently, that problem is caused by voltage drop in the cables. Those stranded cables will corrode up under the insulation where you can't see it, which drives the resistance in the cable way up, and cuts down on voltage to the starter motor. A new set of heavy duty cables doesn't cost much. Make sure your grounding points are clean, and the clamps on the battery end are clean and tight.

If that doesn't fix it, rebuilding the bendix is the next cheapest way to go. Perhaps The Red or someone will see this and give you the details on that.

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Ron Hart

09-23-2002 19:59:30




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 Re: Re: Starter problem-need cheap advice in reply to F14, 09-23-2002 15:56:47  
Do NOT use emory cloth an any armature!
Use fine sand paper.



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another doug

09-24-2002 05:02:57




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 Re: Re: Re: Starter problem-need cheap advice in reply to Ron Hart, 09-23-2002 19:59:30  
So glad you said that! is the reason that the emery cloth abrasives are so hard that they will embed themselves into the soft copper commutator and it will itself become a grinding stone for your carbon brushes?



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Tom Olson

09-23-2002 20:17:40




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 Re: Re: Re: Starter problem-need cheap advice in reply to Ron Hart, 09-23-2002 19:59:30  
Had same problem with my Super A earlier this year. I have seen starters on the larger "red iron" that looked the same as mine with the start switch mounted on top of the starter. Disconnect the battery cables and take the start switch off the starter and look at the contacts. Look at the contacts in the switch itself and the one on the body of the starter. Mine were badly pitted and had been heated because of the resistance (you can tell when a contact has gotten hot). I also had to resolder the field coil wires in that contact that sticks up through the starter housing as the heat had cause the joint to go bad.
After replacing the switch and cleaning up the other contact, the starter worked like new.

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