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#Post#: 77862--------------------------------------------------
Carburetor not getting fuel
By: shoesnsocks Date: June 24, 2017, 6:45 pm
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I'm working on my dad's Cs-520 and the carburetor isn't pulling
fuel into it. I just rebuilt it, the tank vent brand new and
works perfectly. The fuel line is not clogged, I pulled a vacuum
on it with a syringe and it filled up with fuel. The impulse
hole is working fine. When I have the carb hooked up I can pull
that cord 10 + times and when I open back up the carb it's bone
dry. I'm starting to go especially crazy over this because it's
the third machine in a row I've worked on that's done the same
thing. 2 carb rebuilds and one brand new carb. I think I must be
doing something wrong, but I rebuild carbs usually multiple
times a week and never had this problem before. Does anyone have
any ideas? I've got to take a break before I drive myself more
crazy and figured I'd try and get a second opinion.
#Post#: 77867--------------------------------------------------
Re: Carburetor not getting fuel
By: Chainsawrepair Date: June 24, 2017, 7:26 pm
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I was guessing you got diaphragm in wrong order.
#Post#: 77868--------------------------------------------------
Re: Carburetor not getting fuel
By: shoesnsocks Date: June 24, 2017, 8:51 pm
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Man I hope so. I'll look at it next week.
#Post#: 78119--------------------------------------------------
Re: Carburetor not getting fuel
By: shoesnsocks Date: July 15, 2017, 9:07 pm
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Finally figured out what was wrong with one of the units! It was
a cs-280E. The carburetor's metering diaphragm doesn't have a
metal disk, but there is supposed to be a separate plastic disk
the goes between the diaphragm and the metering lever. I
stupidly assumed that a new kit would come with the disk so I
tossed it, then somehow didn't notice when I was putting it back
together that there was no disk! Then come to find out there was
no way to get the part, but was able to use some random
diaphragm from a box of extra's. The saw now starts so easy a
baby could start it!
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