Fronius Robacta Operating Instructions Manual page 14

Replacing the
NOTE!
gas nozzle
Robacta 160 /
Risk of damage if the gas nozzle is removed or replaced incorrectly.
300 / 500
Damage to the O-rings may result.
▶
Robacta 700 /
700 Time
IMPORTANT! When replacing the gas nozzle, ensure that the holes on the per-
forated ring are positioned exactly over the holes in the torch body. Otherwise,
sufficient cooling of the gas nozzle cannot be guaranteed.
14
Always open the union nut before removing or replacing the gas nozzle.