Bolens 32" vintage snowblower - Snowblower Forum : Snow Blower Forums
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post #1 of 12 Old 12-04-2015, 09:58 PM Thread Starter
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Bolens 32" vintage snowblower

I acquired a vintage Bolens 32" with a Tecumseh engine at the right price. Not sure of the blower model or engine model as all stickers are missing.

I've rebuilt the funkey differential by boring the aluminium housings and adding custom steel bushings and zerk fittings.

The motor has point ignition and runs great but does not have any voltage output from the alternator circuit to operate the hand warmers and head light. The warmers and light work when I hot wire a 12vdc test battery. Electric start was added by the previous owner. After reading some other posts about the magnet quantity, I will need to pop off the flywheel and count the number of magnets, there are at least 5 and maybe 6.

Appreciate assistance to test the alternator circuit that has 2 yellow and one red wires from the stator to a flat connector. Any other tips are appreciated.
Newie,
Jim
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post #2 of 12 Old 12-05-2015, 07:48 AM Thread Starter
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Alternator-No Output Voltage

After reading the Electrical Section I'm wondering if a missing rectifier plugs into the flat connector with wire colors noted below.

The motor has point ignition and runs great but does not have any voltage output from the alternator circuit to operate the


and head light. The http://www.cabelas.com/product/Heat-Demon-ATV-High-Low-Grip-Warmers/2197238.uts?productVariantId=4437382 and light work when I hot wire a 12vdc test battery. 110volt electric start was added by the previous owner. After reading some other posts about the magnet quantity, I will need to pop off the http://www.ebay.com/sch/i.html?_nkw=flywheel and count the number of magnets, there are at least 5 and maybe 6.

Appreciate assistance to test the alternator circuit that has 2 yellow and one red wires from the stator to a flat connector. Any other tips are appreciated.

Last edited by Kiss4aFrog; 12-05-2015 at 11:15 AM.
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post #3 of 12 Old 12-05-2015, 11:14 AM
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Welcome to the forum Jim


Can't help you with your problem but would like to see what you're working on.

.
Make sure the windows are up before the snow plow goes by !!

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post #4 of 12 Old 12-05-2015, 01:57 PM Thread Starter
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Quote:
Originally Posted by Kiss4aFrog View Post
Welcome to the forum Jim


Can't help you with your problem but would like to see what you're working on.
Rebuilt 32" Bolens differential housing bored oversize, 3 locked in place bushings and added zerk fittings to keep the moisture out.
Just now need to solve the alternator electrical problem!
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post #5 of 12 Old 12-05-2015, 03:44 PM
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Nice work on that diff !!

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Make sure the windows are up before the snow plow goes by !!

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post #6 of 12 Old 12-05-2015, 06:14 PM
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You're checking the voltage from plug that's labeled as "engine connector" in this diagram, right? the one with the red and black wires?

https://www.snowblowerforum.com/forum/762833-post2.html


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Last edited by db130; 12-05-2015 at 06:18 PM.
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post #7 of 12 Old 12-06-2015, 10:24 PM Thread Starter
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Yes, No voltage at the engine black and red 2 wire connector.
The diagram also shows a second engine 3 wire (yellow, yellow and red) connector. After reviewing the Tecumseh technical manual, electrical section, linked on this site I discovered that this old unit requires a rectifier/voltage regulator that converts the AC volts from the 2 yellows to DC volts and feeds the same red wire which runs to red 2 wire connector. I have 14 AC volts when probing the 2 yellows and now need to locate a 3 (yellow/alternator, yellow/yellow, red/positive) rectifier and voltage regulator. Am I on the right track? If so, where can I purchase the missing component?
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post #8 of 12 Old 12-07-2015, 03:56 AM
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I'm not sure if that part is separately available, it seems to be integrated to the charging coil itself. Take a look at this completed auction for a NOS Tecumseh 611097:

Tecumseh 611097 Alternator Charging Coil Stator HM80 HM100 | eBay


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post #9 of 12 Old 12-07-2015, 07:37 AM
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Here's a couple of pictures of a Tecumseh 10 HP that was set up for a light. There's an extra picture along with additional magnets on the flywheel

Hope that helps.
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post #10 of 12 Old 12-07-2015, 08:07 AM Thread Starter
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Quote:
Originally Posted by db130 View Post
I'm not sure if that part is separately available, it seems to be integrated to the charging coil itself. Take a look at this completed auction for a NOS Tecumseh 611097:

Tecumseh 611097 Alternator Charging Coil Stator HM80 HM100 | eBay
My stator has 2 alternator coils and 1 mag coil. The 611097 stator is alternator only according to the online electrical diagrams. The problem is all identification on this mower is missing. Thanks
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