How do you test the fuel tank vent on 044?

[caddguy]

I just want to know if I need to change out the hose and the 2 grub screws.
If that's all to it...how do you test it?

 

[nanuk]

Uh.... maybe blow through it?

I just want to know if I need to change out the hose and the 2 grub screws.
If that's all to it...how do you test it?

they should be one way only... you should be able to blow air into the tank, but not suck air from the tank.