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jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Ariens Project #4
Original Message   Oct 15, 2011 9:35 pm
Finished redoing the dash on my blower
The new Honda 13hp engine I got to repower the blower (again)
was in great shape. Has the electric start and a 10A charging coil.
But it didn't have any of the wiring. No key switch, no rectifier, nothing.
All the factory stuff is way out of my budget so It had to go old school.
With an ignition on/off switch. (The old one that was still on the blower)
And a starter push button. Which meant that I had to rewire the whole
ignition system from the engine to the dash.
That is how things got started.
Then being the way I am, I couldn't just run new wire and leave it at that.
What's the fun it that. Anyway it's finished.
Just need to get a new impeller bearing and flanges and I can put the whole blower
back together and mate it to the tractor.


This message was modified Oct 18, 2011 by a moderator
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jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Ariens Project #4
Reply #33   Nov 3, 2011 12:52 pm
carlb wrote:
Check the battery voltage with the engine off, it should be around 12.5 12.6 volts.  If you can maintain 12.5 volts with the engine running and the light on you will probably be ok.

Thanks, I will do that.
jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Ariens Project #4
Reply #34   Nov 6, 2011 12:17 am
carlb wrote:
Check the battery voltage with the engine off, it should be around 12.5 12.6 volts.  If you can maintain 12.5 volts with the engine running and the light on you will probably be ok.

I checked the battery, it was reading 12.5V.  At idle and full throttle with the light on I was getting a steady reading of 11.9V.
I also disconnected both battery cables, and at both an idle and full throttle I got nothing out of the light.  Not even a faint dim glow.
Even the two small LED marker lights I have showed nothing.  And those draw hardly any power at all.  That seems odd to me.
Why would the coils not be putting out enough to at least light the LEDs??  I think I need to leave the battery disconnected and
start over. See what readings I get right off the rectifier terminals. Or right off the coil wires themselves.  But that's AC I believe.
And I'm not sure what readings to even look for, or to expect.
It was easier to figure out and repower the blower than it's been to figure out this electrical stuff.,,, LOL sort of. 
May I should just strap a car battery to it and throw a charger on it every once in a while.  This is making me crazy.
carlb


Joined: Nov 16, 2010
Points: 279

Re: Ariens Project #4
Reply #35   Nov 6, 2011 8:11 am
check the voltage coming out of the coil before the rectifier.  It should be AC but some of them are DC.  if you get an AC reading connect it to your rectifier and take a reading on the output side of the rectifier using the DC setting.   If your coil is actually putting out DC you do not need the rectifier because the light doesn't care AC or DC and the Battery needs DC.

Good luck
jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Ariens Project #4
Reply #36   Nov 6, 2011 8:47 am
carlb wrote:
check the voltage coming out of the coil before the rectifier.  It should be AC but some of them are DC.  if you get an AC reading connect it to your rectifier and take a reading on the output side of the rectifier using the DC setting.   If your coil is actually putting out DC you do not need the rectifier because the light doesn't care AC or DC and the Battery needs DC.

Good luck

If it is AC coming out of the coil.  Any thoughts as to what kind of readings I may see on the meter?  Last time I tried reading the out put of the coils on the AC setting of the meter.
I was seeing numbers that were no where near 12.xxV.  If I remember correctly they were in the 0.0xx range and they were constantly changing (maybe I had the meter hooked up wrong)?  Should I be seeing something around 12V.  Thanks!
This message was modified Nov 6, 2011 by jrtrebor
MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: Ariens Project #4
Reply #37   Nov 6, 2011 8:58 am
do you have a flukemeeter with an AC voltage reading setting?  12V sounds about right.
carlb


Joined: Nov 16, 2010
Points: 279

Re: Ariens Project #4
Reply #38   Nov 6, 2011 10:23 am
Reading the voltage directly from the coils and not through the rectifier, Set the meter to AC and take a reading.  If the reading is strange switch the meter to DC and take the reading.  If you are getting a reading in the 12.5 to 15 Volt range your charging coils are putting out DC and not AC and you don't need the rectifier.  You may see higher voltages than that with no battery hooked up,  Even at 15vdc and only 10 total amps available you will not hurt the battery if the voltage is a little high.

If you are getting DC voltage in that range you can hook up your coil directly up to the solenoid post and ground.  Make sure to connect the positive side of the output to the correct post on the solenoid, the ground can go to any ground point on the engine/frame.


Remember take these readings without the rectifier hooked up.

Good luck.
This message was modified Nov 6, 2011 by carlb
jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Ariens Project #4
Reply #39   Nov 6, 2011 4:30 pm
carlb wrote:
Reading the voltage directly from the coils and not through the rectifier, Set the meter to AC and take a reading.  If the reading is strange switch the meter to DC and take the reading.  If you are getting a reading in the 12.5 to 15 Volt range your charging coils are putting out DC and not AC and you don't need the rectifier.  You may see higher voltages than that with no battery hooked up,  Even at 15vdc and only 10 total amps available you will not hurt the battery if the voltage is a little high.

If you are getting DC voltage in that range you can hook up your coil directly up to the solenoid post and ground.  Make sure to connect the positive side of the output to the correct post on the solenoid, the ground can go to any ground point on the engine/frame.


Remember take these readings without the rectifier hooked up.

Good luck.

Well here is what I got.
 As I posted before there are actually four wires (two pairs) that come out from behind the shroud. Each pair are joined together to give you one wire with a connector on the end.  See photo in Reply #18.  (I never have really understood the two wires to one wire, unless there are four coils.  Maybe I should call Honda and see if they could give me an explanation).

Black probe to grnd. Red probe inserted into the wire connector
Engine @ idle reading from left wire - meter set to VAC    3.6V to 3.9V
Engine @ idle reading from right wire - meter set to VAC    1.6V to 1.7V

Engine @ full throttle reading from left wire - 12.5V steady
Engine @ full throttle reading from right wire - 5.3V steady

With meter set to VDC  Left wire 0.01V  Right wire 0.01V

If I had to take an uneducated guess I would say that I may have a coil that's not right.  5.3V compared to 12.5V. But what do I know.
Maybe in all my switching wires around in the beginning trying to figure out the rectifier hook ups I burned up one of the coils.  I know there is a chance that I at one time
I had the ground terminal on the rectifier swapped with one of the + output terminals on the rectifier. I had the first terminal and third terminal hooked up backwards.
I think.  If I did would, or could that have burned out or damaged one or more of the coils?  If so, I guess that could explain the wide difference in readings between
the two coil wires
This message was modified Nov 6, 2011 by jrtrebor
carlb


Joined: Nov 16, 2010
Points: 279

Re: Ariens Project #4
Reply #40   Nov 6, 2011 5:24 pm
Well from your readings it is putting out AC and not DC.  What reading do you get when you set the meter to AC and probe both wires at the same time.  If it is actually AC output you dont want to ground either of those wires.  You would only ground the negative wire after it was rectified to DC.

At this point I would take the shroud off and see exactly where the wires are coming from and how many coils you have. 
jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Ariens Project #4
Reply #41   Nov 6, 2011 9:49 pm
carlb wrote:
Well from your readings it is putting out AC and not DC.  What reading do you get when you set the meter to AC and probe both wires at the same time.  If it is actually AC output you dont want to ground either of those wires.  You would only ground the negative wire after it was rectified to DC.

At this point I would take the shroud off and see exactly where the wires are coming from and how many coils you have. 

Okay I pulled the flywheel.  I have two coils, each coil has two wires coming.  All four wires are the same color.
One wire from coil "A" is joined to one wire from coil "B"
The second wire from coil "A" is joined to the second wire from coil "B"
The two wires that have connectors on the end that I have been connecting to the rectifier. Have a wire from coil "A" and coil "B"
It is supposed to be a 10A coil system.
Flywheel has 4 magnets.
This mean anything to anyone?
While I have things apart.  Is there a way for me to check the coils with an ohmmeter to see if they are okay? If so any thoughts as what kind of readings I should get
if they are okay. And what I should see on the meter if they are bad, or partially bad or shorted.

This morning I hooked an ohmmeter between the two coil wires. That is the two wires that have connectors on the end.  Not the two that come off of each coil. "I got a tone".
I probably should have gone between a wire and ground as well.   Maybe that reading would mean something to those that know about these things
This message was modified Nov 7, 2011 by jrtrebor
manjestic


Location: North Shore, MA
Joined: Oct 31, 2011
Points: 87

Re: Ariens Project #4
Reply #42   Nov 7, 2011 3:00 pm
From your description of the splicing, the coils are in parallel.  A single phase rectifier fed by two coils to my mind implies the coils are in phase.  I'm not sure if each coil should have the same voltage output.  In parallel the voltage across them must be equal but independently, this is not true.  I'm thinking there is nothing wrong with your coils; there are two to produce more current than a single coil.  I'm a little rusty on this stuff.

Are you removing the splice?  How are you checking the coil voltages independently?

Since AC, wire color does not matter, your rect/reg will flip the negative half of the alternating current into positive.  Your voltage at the solenoid and battery will vary with RPM and battery voltage.  That is, even with a regulator, the output of the regulator will be higher when the battery is not at full capacity, than when it is at full capacity.  If your battery is significantly drained, I wouldn't necessarily be concerned about the high voltage on the output of your regulator (battery post).  I assume you are keeping a load on the output, as JimmyM says.

Paul
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