Hi I have a Husqvarna 136 chainsaw the fuel line seems to have seperated/broken off inside the fuel tank. I can not see any place to reconnect it anybody have any ideas

Larry,Carburetor may be dirty, remove and clean or rebuild. Check the attached links,videos,instruction and guides, Good luck
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Husqvarna 136 Chainsaw Carburetor Rebuild Fuel Line Repair

http://www.mymowerparts.com/pdf/Husqvarna-Service-Repair-Manuals/W9200002.pdf

Husqvarna chainsaw fuel line check and replace - YouTube

? 3:44
https://www.youtube.com/watch?v=8FyU_fG9qwc
Feb 6, 2012 - Uploaded by mweba1
359. ... Husqvarna chainsaw fuel line check and replace. mweba1. SubscribeSubscribed .... You will want to inspect the tank vent and fuel line.

Husqvarna common air leak - YouTube

? 1:51
https://www.youtube.com/watch?v=Z7f9zNQTJBQ
Apr 11, 2012 - Uploaded by mweba1
Husqvarna common air leak ... Husqvarna 136 ChainsawCarburetor Rebuild & Fuel Line Repair - Duration: 22:39. by donyboy73 59,377 views.

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Its in the gas tank, also check for dry rotted gas line.

You will need to pull the fuel line out of the fuel filler hole. Remove the fuel filter. Pull the line out of the tank. When re-installing the line cut the end at an angle to allow you to push it back through the hole (it is tight). Reconnect the filter. Then attach to carb.

Same carb...
Husqvarna 136 Chainsaw Carburetor Rebuild Fuel Line Repair

you can get saw specific parts from a Husq. dealer or you can make shift something to get you by. the key is to make sure the hole in the tank is slightly smaller then the diameter of the hose to ensure there is no air leak there. I drill the tank hole out a size at a time until I have to force the hose in that will fit snuggly on the carb inlet then replace the fuel filter with one that fits the line

If you need further help, I’m available over the phone at https://www.6ya.com/expert/kelly_69a0cf1b13789df1

The breather is made of a sintered brass plug and beneath this ia what i call a duck bill valve ( because it looks like a ducks bill ) this is a one way valve green in colour which allows air one way into the tank, to test correctly you should do a vacume test via the fuel hose, to remove the valve will normally destroy.

Replace the fuel filter in the tank, check the fuel hose up to the carb for signs of leaking, if so replace the line, between the cylinder and the carb back plate is a rubber induction tube, make sure this has no split.

Hi

First remove the cover,air filter and the carburator.Then remove the gas tank cap and the fuel filter from inside of gas tank,at the end of fuel line.Take off the fuel line from the hole of the gas tank(at the top),replace the fuel line,put all back together and start the engine.

best regards savumihai71

I think they have a allen screw through hole in av spring