Husqvarna 560xp fuel leak/flooding

[Coed Glas]

Hi, first post on here so please be kind... ish!

My 560 is leaking fuel when laid on its side, only a small amount but its leaking through the pipe that runs from the tank and comes out behind the air filter this fuel is then flooding the engine and I'm unable to restart the saw. This issue only seems to happen when the saw is already warm, I'm assuming is something to do with pressure equalization in the tank forcing fuel back up the breather tube...? 

Any help would be greatly appreciated. I really cant afford to get it checked out in the shop at the moment and need to figure out a fix for myself.

Yes I know, don't lie it on it's side but old habits die hard and I keep forgetting.

 

Cheers

Stu

[Vedhoggar]

There might be a split in the fuel pipe.

[Coed Glas]

I did think this but with the air filter removed I can see the fuel bubbling out the end of the pipe coming out behind the filter. When I've had split pipes in the past it hasn't done this... I guess it could be though. I can hear the leak if I listen closely, it's a high pitched squeel/bubble sound.

When running there is no notable drop in performance.

[adw]

I am guessing this is an older 560, the breather hose for the fuel tank was fed into the air filter elbow, this was for emission reasons, however fuel vapour can be fed into the filter elbow making hot starting difficult, some time ago the rubber tube was removed from the breather and the pipe cut and blanked off with a  plastic plug, so this is what you need to do, the white tank breather is then open to atmosphere.

[Coed Glas]

Ahh fantastic thank you! Can I just leave the breather hanging free or should I attach it to another component? It's not just fuel vapor that is comming out, I found a small puddle of fuel under the saw in my footwell when I got home so a fair amount of fuel is comming up the breather when the saw is on its side. I wondered if it was a blocked tank valve that was not allowing equalization...?

 

I will do what you recomend and see if the issue stops, it will at least stop it flooding even if it leaks a bit.

 

Cheers

Stu

[adw]

The breather will just pull out and can be replaced fairly easily if it is leaking, there is no need to put anything onto the end of the breather just leave it open.

[Coed Glas]

Do I need to remove the tank to replace the breather?

Thanks again by the way it, I will get it all sorted later this week when I'm back by a workshop.

[adw]

No you can pull the breather out with the tank still connected, don’t grip the end too tight our it will break off and make harder to remove, if it should break screw a self tapping screw into it and pull it out.

[Coed Glas]

👍