Festool boom arm hose clamp?

[zachjowi]

I bought a boom arm set and there is a 25-40mm hose clamp.  The manual doesn't mention it or show where it goes.  Does anyone know what it's for?

 

[tjskinny]

Check out item 4.2 and 5.3 of the manual on page 2 and 3.  It keeps the boom arm from lifting up.
https://festoolcdn.azureedge.net/pr...ment/0cda977b-4af3-11e9-80fa-005056b31774.pdf