7 Maintenance and repairs
66 R-220 Pro Continuous Operation Manual, Version A
Removal / installation of the vapor duct
With the ask seal removed, the (glass) vapor duct can easily be pulled out. At reinstallation, the
keyway at the vapor duct end must be aligned to the spring loaded notch at the gearbox to lock rota-
tion between the drive and the duct.
a
b
a
Remove the snap ange coupling and the ask seal rst. Pull out the vapor duct by hand.
b
To install the vapor duct proceed in reverse order. Make sure the notch blocks rotational
movement of the duct.
NOTE
Clean the vapor duct before reinstallation to ensure a clean seal face for good tightness!
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