7 Maintenance and repairs
65
R-220 Pro Continuous Operation Manual, Version A
b
Open both levers of the snap flange
c
Use the seal tool (order no 20075) to unlock the metal reed and free the snap flange
Carefully pull off the snap flange from the metal reed locking
For reinstallation plug the coupling back onto the flange The metal reed snaps into locking position
with a noticable click sound
➡
After installation, see also section 5 18 for correct adjustment of the lever tension!
Removal / installation of the flask seal
Vapor duct might slip out!
a
Remove the snap flange coupling Hook some fingers behind the seal at two of the three
cut-outs
b
Carefully pull off the seal step by step Change the position at the cut-outs from time to time
to avoid canting of the seal plate! Make sure the vapor duct does not accidently slip out when
removing the seal plate
For reinstallation proceed in reverse order
NOTE
Do not use metal tools or other utilities that might scratch or harm the metal flange or the seal plate!
Clean the seal face before reinstallation