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Craftsman choke issue? (hedgetrimmer)

Discussion in 'Chainsaws and Power Equipment' started by Machria, Feb 24, 2015.

  1. Machria

    Machria

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    I have this Craftsman hedge trimmer that I broke the plastic (blue) choke lever on a few months ago. It just snapped off when I was trying to hang the tool up... Looks to be the same motor they used on an old chainsaw possibly.

    Anyway, went to their parts website, viewed the carb and got the part # for the choke lever and ordered it. I received it and pulled the air cleaner off, and removed the broken lever and replaced with the new lever. All it comes with is the blue lever, a little tiny spring that goes into a hole in the carb that is below the lever, and a new choke fin which sticks into the lever. No biggie.

    Well, the choke lever is now just willy nilly, nothing holding it in place, no pressure or resistance, so it just flops around. So obviously I'm missing something?? But I don't see anything in the parts list pics, or anything obvious on it that is missing....

    Any ideas?

    Carb1.JPG Label2.JPG Side1.JPG Side2.JPG
     
  2. Moparmyway

    Moparmyway

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    Looks like a similar setup that I launched the spring and ball from. Top picture, next to the adjustment screws. That hole that you can see through, before you insert the choke - looks like a ball and spring could have gone there, and possibly ejected when you removed the old one.

    I am not looking at an IPB, just eerily familiar to what happened to me a few years back
     
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  3. cnice_37

    cnice_37

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    Post the carb make & model. One of us small engine hacks may have one lying around.
     
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  4. Scotty Overkill

    Scotty Overkill Administrator

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    There is a small "detent" in the plastic shaft, IIRC, and the spring pushes on a ball bearing that rides against that shaft. Without the spring and ball, it will just flop around.

    I'm thinking that is a Zama carburetor, basically the same carb that is on Weed Eater and Poulan string trimmers and many other cheaper engines. There should be some cross reference out there somewhere.
     
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  5. Machria

    Machria

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    There is a small spring that came out of, and got replaced (new one in lever package), from the hole where you can see the shaft of the blue lever in the first picture (that mopar is referring to). The spring came out of, and goes back into that hole, below the shaft, so you can't see it in the pic. But there was no "ball" or anything in there that came out, and/or in the new package. And I'm 100% sure there was no ball in there when it came apart. I had to dig the spring out...

    What you guys are saying does make sense cause I did notice the indent in the shaft, and it is near where that hole is. I wondered what the spring down the hole was for, it's tiny, and does not seem to have any pressure on it or anything when dropped in there... I'm a

    Not wure what brand carb it is, here it is, t's only $30 bucks. I should probably just buy it and replace it but I hate to throw things away cause it's missing a screw or something! The thing was running perfect till dumbo broke it! ;)

    The carb is part #530071639 and they said it is made by AYP in West Columbia, SC.

    http://www.searspartsdirect.com/Craftsman-Hedge-trimmer-Parts/Model-358796355/0247/1503630.html

    Hedge Trimmer model # is: 358.796355

    .
     
  6. Machria

    Machria

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  7. Scotty Overkill

    Scotty Overkill Administrator

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    Without the ball bearing the lever is useless. The spring goes in first, then the ball bearing. Depress both of them into the hole and slide choke lever into the hole simultaneously. Voilla!
     
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  8. Machria

    Machria

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    Great thanks. They shipping me a new one with the ball bearing. ;) But I'd like to know where the original one is??
     
  9. Machria

    Machria

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    So my package for the choke lever came with two choke levers (blue plastic), 1 spring and 1 choke plate. It was missing the bearing, and should have only had 1 lever. They shipping me a new one.... packing error... at least I'm not as dumb as I thought I was! ;)

    PD_0071_358_530071718.jpg
     
  10. cnice_37

    cnice_37

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    One of my dogs probably ate it, those dopes eat everything.
     
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  11. Moparmyway

    Moparmyway

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    Those balls and springs are like "E" clips, they launch and you will NEVER find them. If you dont know its there, its very easy to loose.
    The ball was probably ejected when you removed the old shaft, and the spring got hung up in the hole so you were able to see it and dig it out.
     
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  12. Machria

    Machria

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    Ok, got the new part which came correct this time with the ball. Put back together and the choke lever works properly now.....

    Unfortunately, I can't seem to keep the thing running thought. Fresh gas, ran some mechanic in a bottle thru it to clean out.... It starts up and idles, but as soon as I put any load on it (press throttle and the clutch kicks in to start moving the trimmer blade), the motor starts bogging down and stalls. Press primer ball a few times, and she will start back up and idle... Almost seems like she isn't getting enough fuel?

    The carb "looked" clean as can be, and the fuel lines (which are tiny) all look ok (not clogged or anything...). Any ideas?
     
  13. Moparmyway

    Moparmyway

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    Did you try richening the high speed adjusting screw ?
     
  14. Machria

    Machria

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    What language are you speaking, I do not recognize that dialect!! ??
     
  15. Moparmyway

    Moparmyway

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    It sounds like you need to adjust the carb.
    There could be more to it, but I prefer to rule out the basics first.
    The "mechanic in a bottle" cure all stuff usually ends up being more trouble than its worth.
    It might be as simple as adding more fuel to your high speed adjustment on the carb
    Although I have had some basket cases with Craftsman stuff, they are usually pretty well built for homeowner use.
    Some of their newer carbs do not have the ability to adjust the mixture .......

    See the top screw on the carb in the first picture in the first post ?
    Can you snap a picture of that side of the carb ?
    It looks like that side has the screw(s) for adjusting the fuel mixture.
    Moving down from the screw, you have the throttle cable attached to the throttle shaft, then your picture shows a big round looking thing.
    I believe that is oval and there should be at least one, if not two adjusting screws in there ............ your picture could help me there
     
    Last edited: Apr 7, 2015
  16. Machria

    Machria

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    Looks like just one screw.... ? this pic help?

    Carb side.JPG
     
  17. prell 73

    prell 73

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    I believe that's the idle screw
     
  18. cnice_37

    cnice_37

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    There are 2 screws hidden in that oval at the bottom of the pic. Should have label somewhere of L, H and the big guy Philips head you know is idle.
     
  19. Moparmyway

    Moparmyway

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    The oval has 2 splined adjusting screws (look inside of it) that could need a little attention. I only have 1 splined adjusting screwdriver.

    A) I could send you my splined adjusting screwdriver, but I would need it back very quickly.
    B) We could meet somewhere and I will adjust it for you and show you how

    FYI ........... these carbs have been known to give adjusting/running problems, but usually in the form of an unstable idle; requiring a new carb. It doesn't sound like that's the problem here. The carb might take to the adjustment just fine, but keep in mind there could be other problems (clogged fuel filter, ethanol related problems - you are on the water, etc..) which should be considered only if the carb doesn't adjust properly.

    Let me know if/how I can best help ya
     
  20. chris

    chris

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    Ethanol most likely the problem attacks lines and the diaphragm
     
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