7 Servicing/Maintenance
47 of 60
Multi Eco
3.
Place joint ring 412.02 onto the last stage casing.
4.
Fit washer 554.02, screw on and tighten the two nuts 921.
Tightening torque: 10Nm!
5.
Slide fan impeller 831 onto the motor shaft.
6.
Fit fan hood 832 onto the motor housing.
7.
Place new O-ring 412.03 onto the discharge cover.