Prime bulb builds pressure, but no fuel

[popopboat]

Hello everyone,
So basically i cant work this out, i checked everything but no luck...
As title says Prime bulb builds pressure, but no fuel comes through, just tiny bit
Hoses are fine, membrane great, bulb is good, carb is not clogged...No clue
i literally reasembled everything today more than few times, im loosing my nerves

 

[popopboat]

Update

It seems like its sucking air back from main jet... How is that possible? Any suggestions?

 

[Mkinslow]

One of the lines got a hole in it and sucking air maybe?

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[popopboat]

Update 2

It sucks air from low speed nozzle, not high speed 'o.o'
When i turn low speed screw all way to the right everythign is fine...
Any suggestions how to fix it?

 

[Mkinslow]

Lines backwards?

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[1990Husky262]

probable bad check valve

 

[popopboat]

Yep, both valves are bad..
Now i cant find them on the whole internet to buy :/
Anyone know where?

 

[Mkinslow]

HL supply, what saw is it

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[popopboat]

Zenoah/Komatsu clone or whatever they say? Only know that it is 62cc
As i am from europe wouldnt shipping from hl supply be pricier several times than parts itself :/
Hmh maybe ill just get 365 carb and do some work on it ( ͡° ͜ʖ ͡°)

 

[Mkinslow]

Yeah it would probably be expensive, sorry didn't know you were in Europe, the lines are probably regular fuel line but I'm not familiar with that model saw either

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[popopboat]

Dont worry, thank you for answer