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Farmall & IHC Tractors Discussion Forum
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BN Almost Done (questions)

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Steve W (NY)

08-18-2004 10:17:23




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The original wiring uses a frame ground. Is this really reliable?

Where does the Positive cable hook up?

When I was cleaning the starter up, I took the band off to look at the brushes. It would appear that a paper material came off and desintigrated. Was I seeing things? Do I need to replace it...where do I get it?

Thanks in advance
Steve




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Bob M

08-18-2004 11:14:01




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 Re: BN Almost Done (questions) in reply to Steve W (NY), 08-18-2004 10:17:23  
Steve - Grounding to the frame is universal. Have never seen a tractor equipped with electric start that is not grounded via the frame. However I like to add an auxiliary ground wire between the voltage regulator base and the grounded battery cable connection to the frame - it eliminates one common cause of the dreaded "generator won't charge" condition. Also make sure paint is scraped to so bare metal shows on mating surfaces when mounting electrical components (eg. generator to gen bracket, gen bracket to block, starter to bell housing, etc).

I don't know offhand where the grounded battery cable bolts to the frame on a BN. However a buddy of mine has a restored BN - I will inquire and get back to you if you wish...

That "paper" under the starter commutator dust band acts as a gasket to keep dust, water, etc out of the starter. Unless you are working your tractor or leaving it outdoors, you can get by without it. Or you can make your own gasket. I do it by applying a layer or two of electrical tape to the inside of the dust band then trimming around the edges with an exacto knife.

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Steve W (NY)

08-18-2004 11:41:50




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 Re: BN Almost Done (questions) in reply to Bob M, 08-18-2004 11:14:01  
Bob....just the guy I wanted to chime in. I will probably have lot's of questions....the generator was a donor from a neighbors H (I swapped the pulley), The wiring Harness is NOS. The switch looks good although the 3.5 ohm resistor had a break in it, so I am planning to substitute a ceramic 3 Ohm one. Does this sound OK?

I wanted to make Churchville with the BN, but life got in the way....I did have quite a few AC's in my driveway leading up to and after the pageant of steam. Teased all my AC buddies I was gonna dust them with 2150 overspray....lol.

She's looking good. hopefully I can get here running and charging. I may be asking for advice.

Thanks
Steve

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Bob M

08-18-2004 12:40:39




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 Re: BN Almost Done (questions) in reply to Steve W (NY), 08-18-2004 11:41:50  
Sorry you did not make the Churchville show Steve. You missed a fun - and rain free - show! Much better conditions than the steam pageant I visited the day before. The pageant was muddy mess - but a still a great show (never saw so many orange tractors in one place!).

Anyway a 3 ohm ceramic resistor should work fine in place of the busted 3.5 ohm on your light switch. ...Bob M



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ffolkes

08-18-2004 11:13:08




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 Re: BN Almost Done (questions) in reply to Steve W (NY), 08-18-2004 10:17:23  
If yours is factory default, then the positive terminal is "ground", and should go between the + side of the battery, and under one of the transmission cover bolts. Your local automotive store should sell an appropriate cable.

ffolkes



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