Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 13

Handling
(cont.)
4.
Fig. 6
3. Disconnect plug from the power supply.
sYS
Note
The cable with plug designation
4. Use a dismantling aid, e.g. two-armed puller, to
remove the motor with torque support.
Note
Motor dimensions:
Width = 100 mm
■
■ Depth = 84 mm (incl. flange plate)
■ Shaft diameter = 20 mm
7.
6.
5.
5. Lift out the feather key.
6. Remove chain tensioner.
is not needed.
s:G
7. Remove chain by opening the master link.
Preparing for installation
3.
13