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echoffmann

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About echoffmann

  • Rank
    Member

Wheel Horse Information

  • tractors
    1990 520-H 41-20OE01
    1995 416-H 73421
  • favoritemodel
    520H

Profile Information

  • Location
    Elysian, MN

Recent Profile Visitors

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  1. Toro 268H won't start

    I have a 2001 268H that threw a rod on it's factory cv18S. I replaced it with a CV20S, swapping stator and flywheel and adding regulator for charging system. I didn't clean the carb and anxiously tried to start it and it ran rough and died. Took the carb off and cleaned everything with carb cleaner and air compressor....now it won't start at all!!!!! Fuel pump was checked and is pumping, the carb solenoid checks out and clicks, I don't know what to check now, any ideas? When it did run maybe float was stuck as it loaded up with fuel and soaked the air cleaner, now dry as a bone, cranks and cranks no fuel getting into carb it seems? All safety items seem to be working as it won't crank without brake on or sitting on mower. Side note....I tried the carb off of the CV18 and it ran, put the CV20 carb on and nothing. Swapped it again for the old CV18 and once again, no fuel at carb to run?!?!?!?
  2. 268H Engine Swap

    I have a 2001 Toro 268H that had a Kohler CV18S in it that threw a rod. I picked up a CV20S to replace it with. I'm used to my older 520 and 416 Onans, these Kohlers are foreign to me! I'm going to replace the starter as the donor uses an external solenoid, and the old one had it all on the starter, this way I can use the factory wiring with less issues. The bigger issue is that there is no external voltage regulator on this one, the 18 had one? There is a "cover" where the regulator would be and a two-wire black and yellow wire coming out the back of the motor, anyone have an idea what that is? Not sure how to complete the charge system on this swap.
  3. 1995 416H missing most electrical harness

    So I got it wired and running but not charging. The B+ terminal on rectifier reads 0, the one on my 520 reads 14.5v. Any leads on an aftermarket as new one is $120?
  4. 1995 416H missing most electrical harness

    Thanks for all the tips so far and attachments, I'll start with the wiring diagram and see what I have to work with. I like Cleats idea of starting with the basics, starting and charging then adding from there.
  5. I have a 1995 416H Model: 73421 / Ser: 5900214 that I picked up running. Sadly for whatever reason the electrical has been butchered and what was taken out was handed to me in an ice cream bucket. Previous owner stripped it down to hot-wiring the starter to a push button , that is ran by a toggle switch to turn main power on or off. Can I at a bare minimum get the charging feature back, right now I have to keep it on a tender? It’s a mess, I don’t know where to start. There are wires tagged “Relay 1” and “Relay 2” but I don’t see any relays, no clue where the fuse block should mount or relays, all the ends for the gauges or micro switches are gone. The 9 pin connector is still on the motor side. If anyone can send me photos of their wire harness by the cab showing connections and ends, that would be super helpful, or if anyone knows how to just get charging function added back I could live with that. I did pick up a wire harness from another year 416, Harness #116724-a (attached images)...though not the same part number as mine calls for, when I compare the drawings from the online microfiche, they are the same wire layout...maybe different wire color differences? Thanks!
  6. 520H Ignition Coil readings

    N3PUY you nailed it!!! I happened to have a test light on the coil when I bumped a wire and the light came on! Narrowed it down to a broken spade on the PTO switch on the PTO not making a solid connection. All other Ignition components checked out fine so I was getting baffled.
  7. 520H Ignition Coil readings

    Thanks for the input! I found a post about adding 12v to the + side of the coil then cranking to test and that worked, I have spark when coil is powered by an external source. So, the coil seems fine, now I guess off comes the shroud and start following wires.
  8. I'm having trouble getting my 1990 520H going after 3 good years, the Onan P220. Last mowing going up hill it started to sputter, lost power and died. Towed it back to the shop and got it running, idled fine still sputtered at high RPM, got to my spot and engaged the PTO and it killed. Replaced fuel pump and went to try it....no start. Looked like weak spark on the front cylinder and no spark for the rear. I found the specs for testing the coil and the primary is fine at 3.5ohm. When I go to test the secondary I get a reading of 21,670. The book says the high limit is 19,800, I'm wondering if this is enough to cause a bad coil and my problem or if I should be looking elsewhere? Coil is the 166-0820 Used a test light on the leads from the ignition module out of the stator and the light surged so I think that means that is alright.
  9. 1990 520H Hydro Change Procedure

    Awesome tips guys! I've usually lucked out with other forum topics (STV stuff) but this is great! I'm going to try rmaynard's trick with the bolt removal. I have the fender off already so much easier access to it from the top. Thanks to all who replied.
  10. 1990 520H Hydro Change Procedure

    Thanks for the tips! I didn't figure there was much to it, just didn't want to think I'm doing it a favor, and then overlook something and ruin my dependable 520H.
  11. Sorry if this has been covered, if so I'll delete my post. I'm changing the hydro fluid and filter on my 520H. Is there a special procedure to refill the system, or bleed out the air?
  12. Can't find a 44" dual stage like I want for my 1990 520H. But, a local guy has a 42" single stage 06-42ST04 for sale. Came off a 01-17KE01 tractor, it looks like it might fit but way different than the dual stages I've been looking at. Anyone know how to tell if it will fit? Should I hold out for a dual stage, I need to throw it!
  13. Post Pics

  14. Oil filter adapter torque setting

    Perfect, thanks Martin. Knowing that, I'll see if I can come up with a close number using ekennell direction...just to see.
  15. Oil filter adapter torque setting

    Thanks! And yes, the bolt is what I meant....good luck torquing a plate of aluminum. Great tip for all projects, when I get the bolt out I'll do some measurements and fire up the Google machine.
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