AQ 280 Missing part number hoses

[nenivua]

Hi anyone recognises these hoses, what part number is this?
Appreciate your help with this issue.

 

[Bt Doctur]

guessing there exaust relief ports

 

[nenivua]

Yes, I need to check purpose of these more detailed. I'm trying to find spare part hoses for these. Any ideas where to find?

 

[nenivua]

Still this is a mystery for me. What is the purpose of these and where can i get a new one?

Thanks.

Nenivua