Jump to content

Recommended Posts

trident

Need some help. My 800 Special has an electric PTO. It is not working. Checked Ohms - nothing. My questions are 1) how does the PTO come off and 2) can they be rebuilt? I took the bolt out that I thought holds it on but no luck. Must be something more?

Share this post


Link to post
Share on other sites
 
trident

Got it off. It was hitting on the belt guard. Took the guard off and the PTO slid right off. Now to repair if possible or replace.

  • Like 1

Share this post


Link to post
Share on other sites
 
953 nut

:WRS:

Was the electric clutch getting voltage when the switch was turned on?  Many times the vibration of the engine and the load placed on the electric PTO clutch will cause the epoxy that holds the wires in place to fracture and the wire will vibrate and eventually break. Here is a good thread on the PTOs.

  

 

  • Like 4

Share this post


Link to post
Share on other sites
 
kpinnc

A soft start clutch controller would greatly reduce the shock of engaging the PTO. It measures the speed of the engine from the spark plug wire and uses pulses to engage the clutch more slowly. 

 

I don't know if they are compatible with the older Borg-Warner clutches for certain, but mine works wonders with my Ogura clutch. I've been using mine for two years and it works great. 

 

Might be worth looking into.

 

https://www.gdimeters.com/products.cfm?Page=Products&Product=SoftStart Clutch Controller

Edited by kpinnc
  • Like 3
  • Excellent 1

Share this post


Link to post
Share on other sites
 
trident

I got the PTO apart. Both electrical wires are broken off inside. Best solder to use? Silver solder? It looks like the coil wires were at one time also coated. Should I redo that too? 

  • Like 1

Share this post


Link to post
Share on other sites
 
953 nut

@Achto, @WHX?? @pfrederi @Pullstart what do you think, I have never attempted to repair one of these.

  • Like 2

Share this post


Link to post
Share on other sites
 
Achto
4 hours ago, trident said:

Best solder to use? Silver solder?

 

I have not had to make this repair but, I would think that silver solder would be the best route. I would also coat/ cover the wires, some insolation can't hurt anything.

  • Like 3
  • Excellent 1

Share this post


Link to post
Share on other sites
 
WHX??

Strike two here as I never had to make that repair yet either.  Silver solder might be the best but getting to CLEAN ends of the coil is what might scare me. Silver solder will yield the best strength but requires a bit higher heat which may or may not  be detrimental to the rest of the coil pack. 

I would be more inclined to replace but since it's already broke wouldn't hurt to give it the ole college try. 

Edited by WHX??
  • Like 4

Share this post


Link to post
Share on other sites
 
Handy Don
38 minutes ago, WHX?? said:

Strike two here as I never had to make that repair yet either.  Silver solder might be the best but getting to CLEAN ends of the coil is what might scare me. Silver solder will yield the best strength but requires a bit higher heat which may or may not  be detrimental to the rest of the coil pack. 

I would be more inclined to replace but since it's already broke wouldn't hurt to give it the ole college try. 

Heat is definitely your enemy, @trident. The coil wires' coating can melt and permit wires to short out, I would strongly consider a mechanical connection instead--a crimp collar comes to mind and make sure that it's well insulated afterward.

That said, I've made repairs to small electric motor windings but never one of these clutches.

Edited by Handy Don

Share this post


Link to post
Share on other sites
 
Pullstart

No ideas here, but please keep us informed on your work!  As mentioned, you can’t hurt it any worse…

Share this post


Link to post
Share on other sites
 
Achto
9 hours ago, WHX?? said:

since it's already broke wouldn't hurt to give it the ole college try. 

 

Yep!! Can't wreck it if it's already wrecked.:)

Share this post


Link to post
Share on other sites
 
gwest_ca

if you can get the wire cleaned is there room for bare butt connectors. They would give the mechanical strength required and solder would seal the connection. Shrink tubing would insulate the joints.

  • Like 4

Share this post


Link to post
Share on other sites
 
WHX??

Not a huge fan of butt connectors but Garry may be on to something using bare ones, shrink wrap and these...

 

Share this post


Link to post
Share on other sites
 
Handy Don
3 hours ago, gwest_ca said:

bare butt connectors

These are used in many appliances connecting heating coils to input power wiring. Good crimping tool is essential and I'd add dielectric grease to resist future corrosion in a tractor setting.

image.png.394fd859c8cb08a5b07f63738c88551d.png

 

 

3 hours ago, gwest_ca said:

solder would seal the connection

I'd avoid solder altogether--by the time you heat the connection enough to melt solder, the coils's insulation may have melted negating the entire effort.

 

3 hours ago, gwest_ca said:

Shrink tubing would insulate

Shrinks at much lower temp so a good choice (use heat gun, of course, not a flame!)

  • Like 3

Share this post


Link to post
Share on other sites
 
trident

Anybody have the part number for the PTO? Mine is mounted to an 11 hp Briggs and Stratton

PTO.HEIC

Share this post


Link to post
Share on other sites
 
Handy Don
8 minutes ago, trident said:

Anybody have the part number for the PTO? Mine is mounted to an 11 hp Briggs and Stratton

PTO.HEIC 2.08 MB · 1 download

It'll likely be in the IPL for your tractor. Search for "tractor mmmm" in files/documents with "use all my words as search terms" option set on where "mmmm" is the model, for example: 1100

Edited by Handy Don
  • Like 1

Share this post


Link to post
Share on other sites
 
pfrederi

Does your PTO look like this???  I assume you tried to post a picture but your apple world pics in HEIC format aren't easily viewable by the rest of the world.

 

 

IMG_0544.JPG

Edited by pfrederi

Share this post


Link to post
Share on other sites
 
trident

Yes it looks just like that. Sorry, I'm not very savy with computers. More of a get-er-done busted knuckle guy. But, I am what I am. lol.  What photo format works best for pictures here?

 

Edited by trident

Share this post


Link to post
Share on other sites
 
pfrederi

Okay pics do best on here as a .jpg. 

 

They haven't made these in years so yo are looking for a used one.  The style changes slightly but the are interchangeable but for one thing.  Crankshaft diameter.  The one i pictured is for a 1-1/8 crank shaft (FYI part number was 7915)  If you crankshaft is 1" number would be different.  Only one part of the unit is different between 1 and 1-1/8.  To pull the PTO off so you and measure your shaft do NOT us a gear puller.  You remove the small bolt in the center (will probably be 7/16 NF)  Then look inside and you will some much larger threads as part of the PTO.  Depending on the age of the unit could be 5/8NC 7/8NC or even 1" NC.  Get a bolt that size 4 or 5 inches long. Screw it in it will bottom and you keep turning the PTO will start to come off the crank.

 

Check with AtoZ tractor a vendor here.. Post a want add here and look at Ebay

  • Like 2

Share this post


Link to post
Share on other sites
 
pfrederi

I should add the field coil is the same on a 1 or 1-1/8" PTO

Share this post


Link to post
Share on other sites
 
squonk
On 3/18/2022 at 6:37 AM, Achto said:

 

Yep!! Can't wreck it if it's already wrecked.:)

You can't spoil a rotten egg! 

 

These babies might work. Low temp solder melts with a heat gun and casing shrinks.

 

Amazon.com: AIRNIX 50 Piece Red Heat Shrink Solder Sleeve Butt Connectors,  Insulated Crimpless Butt Splice, Water and Vibration Proof, Corrosion Free,  Gauge Range 22-18 AWG for Industrial Applications : Industrial & Scientific

 

https://powerwerx.com/heat-shrink-solder-sleeve-crimpless-connectors

  • Like 1

Share this post


Link to post
Share on other sites
 
trident

I've got some of those. was not too impressed with them but in this case maybe worth a try. Good suggestion.

Share this post


Link to post
Share on other sites
 
trident

Pfrederi - My B&S has a 1 inch crankshaft. Could I not just match another (new) PTO to the engine? Not sure why an original Wheel Horse PTO is needed. That Briggs was used on more than Wheel Horse. I'm not crazy about buying another 52 yr. old PTO off E-Bay that is also on it's last legs.

Thanks for the info. It's a learning curve for sure.

 

Share this post


Link to post
Share on other sites
 
pfrederi

If you could find a new PTO with an appropriate size pulley and could fabricate a  mounting it could work. The PTO was not a WH product.  Heim Warner I believe..

Share this post


Link to post
Share on other sites
 
oliver2-44

If you want to coat the existing coil you should use an electrical insulating paint such as Glyptal Very gently clean the outside of the coil very throughly. Painting over contamination such as carbon does more harm than good. 
You can use some spray electrical cleaner and a tooth brush. Test the spray cleaner to make sure it doesn’t soften/dissolve the old insulation. I use a citrus based cleaner when I can find it. After cleaning place in a warm area to dry the insulation very throughly. Got it a couple of light coats. 

  • Like 2

Share this post


Link to post
Share on other sites
 

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Similar Content

    • the jeep driver
      By the jeep driver
      My daughter was using the Wheel Horse rider to mow, I was push mowing.  She drives over to me and says, "Dad, the blades aren't turning." I look at the mower, she's got the blades engaged (lever forward) but nothing is moving.  I disengage the blades, and re-engage... nothing.  No movement from the belt nor clutch.  Then I notice the smell, and look closer, the belt is so hot is melting on the clutch.  Or rather, the clutch is so hot it's melting the belt.  Melting occurred. 

      While the clutch is disengaged, I can spin the clutch freely; and whilst it's engaged, it won't move. 

      So, what did I do now?  Peter told me to lube that needle bearing, but I couldn't find a write up/how to anywhere, so I was putting it off until after the leaves were done falling in the Fall.  I haven't taken anything off yet, other than the pins that hold the pinion and such, and the little brake pad.  I see there are two snap rings, assume they come off, and then the assembly slides out as a whole? 

       
      Some pictures of the clutch, can anyone tell if it's usable from them?
       

       

       

       
       
    • decvt79
      By decvt79
      My 1999 270H with 48” deck is having an issue getting power to PTO.   Checked PTO with jumper to battery and it worked fine and I’ve actually been cutting grass using the jumper for awhile.  I checked power from PTO switch to PTO and there is none.  I checked PTO switch and it appeared OK but I replaced it anyway and still no power to PTO.   Then checked brown/tan wire leading to switch and there is none.   Could the issue be the NMIR module and is there a good way to check it.  If bad, where is the best place to get a replacement and do other brands/models have NMIR a modules I can use.    Also, would suppling battery power directly to PTO switch and bypassing NMIR result in switch working.
    • BrianKoch
      By BrianKoch
      Hello gentleman, 
       
      Problem: will not crank on its own, will crank with jump box—but still not fire
       
      Recent things I did prior to this issue: cleaned fuel filter, replaced battery cables, replaced cable from ignition to starter
       
      I have my test light out and am probing around. 
       
      There is no power at ignition/magneto wire or the ignition/starter wire
       
      There is power everywhere else






    • Jeff-C175
      By Jeff-C175
      Detailed wiring from the Demystification Guide #492-4509
      4 pages 1.4MB Color
      p7-67 to p7-70
       
      Onan powered
       
      1989 416-8 model 31-16O801
    • BMW1
      By BMW1
      What direction does the front PTO Pulley turn on a wheel horse D180 with a Kohler K482 as you face the front of the tractor?
       
      I want to get a hydraulic pump for a Johnson 10 loader I will be mounting to tractor and want to make sure I get a pump that rotates the correct direction.
       
       
       
×
×
  • Create New...