[drive surgeon]

What’s your thoughts on when spray arms hit decorative stones etc and get a slight bend in them? I’ve found they become less affective. Obviously nozzles get battered so get replaced regularly but I change spray arms after a while too when they get a bend in them .

[Mike Halliday]

I’ve just changed the arm and jets on my FSC and can feel the difference  it has less vibration. I’ve had holes appear in the arm were stones & graven has eventually worn through.

I bend mine hitting the corner  of steps when I lift it to clean steps instead of using the lance