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EL-42 Help

Discussion in 'Chainsaws' started by dbittle, Jun 18, 2017.

  1. dbittle

    dbittle Well-Known OPE Member

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    I'm trying to get a Zama EL-42 dialed in on my mildly ported Husqvarna 346. Out of the box, it needed a little more fuel, so I drilled the main nozzle through both sides, which is I think the usual fix. I took the main nozzle to work and asked a machinist friend to drill it, which he did with a .029" bit. I tried the saw today and it was smoking rich even with the high screw turned all the way in. Does anyone have the part number and a source for those nozzles?
     
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  2. paragonbuilder

    paragonbuilder ONE OF THE GREATEST!

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    I don't but you can jbweld the hole and redrill it


    Sent from my iPhone using Tapatalk
     
  3. 7sleeper

    7sleeper Well-Known OPE Member

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    Never heard before of needing to drill out anything on midly modded saws! Typically there are a few screws named "H, L, T " which are turned in or out to make a saw run properly. Looks like new carb time. Sounds more like the carb needing a proper cleaning before instead of any drilling.

    7
     
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  4. backhoelover

    backhoelover SERVICE MANUAL MASTER

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    A007255 here is the number for you nozzle check
     
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  5. backhoelover

    backhoelover SERVICE MANUAL MASTER

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  6. backhoelover

    backhoelover SERVICE MANUAL MASTER

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    anytime you need a parts list you just type the carb name a model in google search bar and bam
     
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  7. old guy

    old guy Super OPE Member

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    I drilled one for a ported 346 and it works just fine on that saw but I just put together a slightly modded 357 with a cross drilled el42 and while it starts on choke & runs fine on the h needle it will note idle, gotta be something else in there. Will pull it off today.
     
  8. dbittle

    dbittle Well-Known OPE Member

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    I was a little worried about JB weld in continuous gasoline immersion. Better just to get another nozzle if possible. I can pull this one back out again and solder that second hole shut also, and try again with a smaller diameter hole.

    My buddy might have accidently made the original hole larger as well, which would be easy to do.
     
  9. dbittle

    dbittle Well-Known OPE Member

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    Thanks much. There is something about the Zama website that this computer doesn't like and I was getting frustrated with it. The part number helps a lot.
     
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  10. dbittle

    dbittle Well-Known OPE Member

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    Painful news on the nozzle project. New ones come with about a 3 month lead time, according to the vendor I tried to buy a couple from this morning. The good news is that its a $4.00 part. I think I'll fall back to the soldering up the second hole and going from there.

    Good excuse to buy a pin vise and a few tiny drill bits!
     
  11. Mastermind

    Mastermind Knocker Of Farts Staff Member

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    Just blow the metal shavings out of it.
     
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  12. dbittle

    dbittle Well-Known OPE Member

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    I'm a little puzzled why mine went pig-rich the way it did. What drill number or diameter do you use when you do the operation?
     
  13. dbittle

    dbittle Well-Known OPE Member

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    I can pull it back out and check. I shot carburetor cleaner through it and gave it a visual once over, but I didn't use the air compressor on it. Maybe I should have.

    The part lookup said its a check valve. Maybe its a dumb question, but will the air compressor mess that up? I pulled that stunt on my 242 and was rewarded with a ruined check valve for my ignorance, which is why I ask.
     
  14. Mastermind

    Mastermind Knocker Of Farts Staff Member

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    Blow air across the top of it. If anything is inside it will be pulled out. Check metering height too.
     
  15. dbittle

    dbittle Well-Known OPE Member

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    Got it. Thanks much!!
     
  16. old guy

    old guy Super OPE Member

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    I got a set of micro drills at Harbor Frieght and used the one that that fit the hole.
     
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  17. backhoelover

    backhoelover SERVICE MANUAL MASTER

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    i bought a set of them for when i build kart engines. pretty good for hf
     
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  18. old guy

    old guy Super OPE Member

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    They are sharp little buggers, just hold one against your fingertip & give it a little turn & it immediatly is caught in your fingerprints.
     
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  19. dbittle

    dbittle Well-Known OPE Member

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    Those are definitely on the list. I pulled the nozzle back out of the carburetor and it did in fact have a couple of stray metal shavings in it. Good call by Mastermind on that one.
     
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