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Yazoo PTO-B 48 inch mower

yazoo pto-b yazoo mower jerry clower special!

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#16 DougT ONLINE  

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Posted August 09, 2016 - 06:53 AM

Ohms should be about 1.4 on the primary side to ground and around 5K on the secondary side. The secondary can vary but should show something in the K ohm range. Usually if it shows continuity above 5 it will spark. You can also rig some jumpers and use a 9v battery to simulate the primary and see if you get spark out the secondary.


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#17 MH81 ONLINE  

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Posted August 09, 2016 - 06:56 AM

Ohms should be about 1.4 on the primary side to ground and around 5K on the secondary side. The secondary can vary but should show something in the K ohm range. Usually if it shows continuity above 5 it will spark. You can also rig some jumpers and use a 9v battery to simulate the primary and see if you get spark out the secondary.

do you have a schematic of that test method?

#18 KennyP ONLINE  

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Posted August 09, 2016 - 07:30 AM

do you have a schematic of that test method?

Yeah! Which is the primary side? Wire to the points?



#19 DougT ONLINE  

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Posted August 09, 2016 - 08:58 AM

do you have a schematic of that test method?

Only in my feeble mind. Maybe if I lay my head on the scanner?? There is probably someone on you-tube smart enough to make a video and post it.

 

Yeah! Which is the primary side? Wire to the points?

Yes, Kenny. the points side is the primary and the plug side is the secondary.

 

In the case of Kenny's coil the framework is the ground. Ground your spark tester or extended gap plug to the framework and hook the plug wire to the other. Hook the wire going to the points to the positive on the battery. Connect a jumper to the framework, touch it to the battery ground for a couple of seconds and pull it away. the spark should happen when you pull the wire away.


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#20 KennyP ONLINE  

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Posted August 09, 2016 - 01:17 PM

Maybe we can make something up for this!

 

I got the Yazoo all back together and greased. Checked oil in the drive and 90° gearbox. Got the new blades on the deck and gave it a whirl. On the North side of the drive is a small triangle section. This is before.

DSCN2028.JPG

 

This after a pass.

DSCN2029.JPG     DSCN2030.JPG

 

It's developed a carb issue. When I go to engage the deck, it will start sputtering badly. Acts like it is flooding. Sometimes it clears right up, others it may take a bit.


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#21 KennyP ONLINE  

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Posted August 10, 2016 - 08:46 AM

Ohms should be about 1.4 on the primary side to ground and around 5K on the secondary side. The secondary can vary but should show something in the K ohm range. Usually if it shows continuity above 5 it will spark. You can also rig some jumpers and use a 9v battery to simulate the primary and see if you get spark out the secondary.

I checked the primary and got 0.8. Nothing on the secondary, but that may be the plug wire end not getting a good connection.



#22 KennyP ONLINE  

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Posted August 17, 2016 - 07:07 AM

Well, I've played with it some more. The carb issue was the big soft plug was loose. JB Weld took care of that. Had to adjust the deck hangers as the drive shaft was bottoming out and not letting it set down right. Mows pretty good, but still needs some fine tuning on everything.

DSCN2033.JPG     DSCN2034.JPG

DSCN2035.JPG     DSCN2036.JPG

DSCN2037.JPG

 


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#23 Cvans ONLINE  

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Posted August 17, 2016 - 11:32 AM

That's a neat project. 

Back from the dead and working again.  :thumbs:


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#24 KennyP ONLINE  

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Posted August 17, 2016 - 03:49 PM

Wait til it's Red and Yellow again!


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#25 Cvans ONLINE  

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Posted August 17, 2016 - 04:07 PM

Wait til it's Red and Yellow again!

 

Can't wait. New coat of paint will be icing on the cake. 
Just wish that I enjoyed painting as much as doing the mechanical work. 

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#26 KennyP ONLINE  

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Posted August 17, 2016 - 04:20 PM

Gonna be a while yet! Not much support on how things work, so I have to try something. If that doesn't help, study it and try something else!


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#27 Cvans ONLINE  

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Posted August 17, 2016 - 06:41 PM

so I have to try something.

 

School of hard knocks, 66 years and I still don't have a diploma.   :(


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#28 KennyP ONLINE  

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Posted August 18, 2016 - 02:51 PM

I made a new lift lever holder for this. Yesterday morning, I painted it Regal Red to see how I like that color for the Yazoo. While it was hanging to dry, a hummingbird kept coming up and poking his beak in the bolt holes. Guess he thought it was another feeder. LOL

Here's the bracket.

DSCN2038.JPG

 

I put it on to see how it will work and I'm happy with it.

DSCN2039.JPG

 

When I swapped the lift bracket and springs around, I did not think about this. I think the front is a little high. I need to play with that set up some.

DSCN2040.JPG


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#29 olcowhand ONLINE  

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Posted August 18, 2016 - 03:45 PM

 

 

When I swapped the lift bracket and springs around, I did not think about this. I think the front is a little high.  

attachicon.gifDSCN2040.JPG

I don't know Kenny, I'd think it would be much easier servicing the blades & such with the higher lift position.


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#30 KennyP ONLINE  

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Posted August 18, 2016 - 04:25 PM

Well, I swapped things around again. I can still get to the blades just fine. But the driveline is now at a better angle. That could help if you just wanted to raise the deck with the PTO on and go over something.

DSCN2044.JPG     DSCN2045.JPG

 

The main issue before was it wouldn't follow the ground contour. The deck just hung out there going over a low area. Might have been able to let the lift cable out some, but If this works pretty good, I'll tweak from here.

 

As it sits right now the front wheels are 4.5" off the ground!


Edited by KennyP, August 18, 2016 - 04:28 PM.

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