In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

Inherited MTD Horizontal/Vertical hydro splitter

Discussion in 'Chainsaws and Power Equipment' started by Horkn, Nov 12, 2021.

  1. MasterMech

    MasterMech The Mechanical Moderator

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    Pro-tip, make sure when spraying carb cleaner, you hold that carb low so it sprays back up under the glasses. That's when you know you're gettin' real good. :loco: :crazy:

    If you have the choke, then the primer is near useless anyways. It just pressurizes the bowl vent to give a splash of fuel up the main. Most of these engines will fire from one good pull with the choke closed, even without a prime. If it's cracked/leaking, it will not affect engine operation like it can on diaphragm based carbs.

    They used to sell (EDIT: Still do!) just a needle/seat kit, which was bare minimum for diving into one of these. It was pretty universal across 95% of Tecumseh carbs too. 631021B was the part number. Aftermarket versions from trusted sources are fine, I have used the Stens 525-265 to good effect.

    If you get into one of these once in awhile, they still sell the crochet-hook tool. Very handy as it removes the seat, installs the seat, and sets float height. 670377
     
  2. Horkn

    Horkn

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    Thank you!!!
     
  3. Canadian border VT

    Canadian border VT

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    MasterMech your above post are funniest thing I seen this week:thumbs:

    Are you sure you haven’t been with me while doing this:headbang:
     
  4. amateur cutter

    amateur cutter

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    Hahaha! I'm pretty sure he was listening in on me in my shop too lol.
     
  5. MasterMech

    MasterMech The Mechanical Moderator

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    It's amazing how much humor you can find in repetitive tasks. The better you know the work, them more you can poke fun at it! :thumbs:
     
  6. Horkn

    Horkn

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    Part #: SME 7070039 is the Napa part number for the whole carb rebuild kit. All gaskets, needle and seat. Amazingly, napa is the least expensive of the reputable kits.
    $4.09.

    Screenshot_20211123-185726.png

    The shaft that the float pivoted on was gunked up. That was the majority of the issue. It's soaking in cleaner now.
     
    Last edited: Nov 23, 2021
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  7. Horkn

    Horkn

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    So, my carb kit I ordered from Napa that said it would be 2 days delivery to my local store ended up taking 3 weeks or so. Today was pretty decent outside, so after I got the carb cleaned and new components installed I went out to work on it . I used the drywall screw method to pull the old seat, and a 5/32 drill bit to install/ seat the new needle seat. Testing it out by blowing into the needle valve with the float attached, verified that it's working as it should. I'm adding a fuel filter to it, because I have one laying around, but I ran out of daylight today to get that done right. The filter is pretty large, so I might need to get a smaller one to make it a little cleaner install, but I'll deal with that later.

    So, where I'm stuck at now is the throttle/ choke/ governor linkages get hooked up. I'll look online to see if I can decipher how these need to be hooked up. But it's on the home stretch now.

    The recoil works nearly perfectly, after repairing that with an old pull handle from push mower that went south. The last inch of the recoil rope doesn't immediately rewind n, but a tap or two and it pulls that last bit on. Whatever.
     
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  8. brenndatomu

    brenndatomu

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    Sounds like the spring just needs one more wrap...if it's like most recoils, there is a notch in the outer edge of the pulley...snag the rope and pull some slack in it, then drop the rope into the notch, give the pulley 1 more wrap of tension, then pull the rope out and let it recoil...it should be more bettah buttah now :yes:
     
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  9. Horkn

    Horkn

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    I messed with it quite a bit, and want able to get it better. :tears:That was a good month ago though. Once I get it running then I'll mess with that again.

    I watched a couple of YouTube videos on the governors, so I should be able to figure out out once I have some daylight
     
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  10. Yawner

    Yawner

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    what kind of wood is that? Maybe red maple? Splits so easy!
     
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  11. Warner

    Warner

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    I have found that a sloppy pull rope will tighten up better when the engine starts.
     
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  12. HoneyFuzz

    HoneyFuzz

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    That's a fact !
     
  13. HoneyFuzz

    HoneyFuzz

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    Goodluck. ! Looks like a good project ! It will last years and years after you fix it ! Keep up the good work !
     
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  14. Horkn

    Horkn

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    I've seen that too. Hoping this one acts the same.

    I watched about an hour of YouTube videos last night with the throttle/ governor controls. This one is pretty much it.

     
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  15. The Wood Wolverine

    The Wood Wolverine

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    Donyboy73 is really easy to learn from imo.
     
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  16. Horkn

    Horkn

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    Figured the linkages out.
    It started in about 10 pulls from a dry carb bowl. :thumbs:

    20220226_161401.jpg

    20220226_163340.jpg

    Gassed up enough to test it out.

    It ran great. I split most of the red oak I had.
    20220226_164122_HDR.jpg

    There's a couple big noodled quarters/ halves that I need to get freed from the ground. They are frozen at the moment.
    Here's what's left.
    20220226_165959.jpg

    The only thing was that it doesn't really idle down. Maybe I need to put the linkage bar in a different hole? At any rate, it's only 5hp, so it really needs to be pretty much full throttle anyways. Maybe when it's warmer out I'll mess with that.

    I'll see what I can get done tomorrow as far as splitting and emptying the trailer full of ash rounds. The snow on the ground might make this difficult with my 2wd garden tractor. Could always take the pickup and move the trailer too.

    The recoil wound itself back as I hoped once it was running. That's still a crappy recoil, clearly severely cost engineered. The recoil on the predator is much much nicer as far as the recoil that's for sure.
     
  17. Horkn

    Horkn

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    20220226_161401.jpg 20220226_162023.jpg Here's a better pic of the linkage in the throttle plate. I don't recall what hole the linkage was in originally. So it's guessing time 20220226_161401.jpg
     
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  18. brenndatomu

    brenndatomu

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    Not sure, but that spring doesn't look right...way too stretched out IMO...but then again, would have to see a diagram or a picture to know what its supposed to look like for sure...
     
  19. Horkn

    Horkn

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    Well, the one end definitely goes on the throttle end. The spring is extended like that, because the throttle assembly isn't attached in those pics.

    It is here though. Idk if it's visible in this picture though. 20220226_163332.jpg .

    When the throttle is at the engine kill and low rpm position, it's barely got any tension, just enough to keep it in place and not falling off the linkage rod.
     
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  20. Horkn

    Horkn

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    I don't even have any extra parts after putting it back together. :rofl: :lol::rofl: :lol::rofl: :lol: