Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 24

Installation sequence
Pellet supply via flexible screw conveyor
Fitting the flexible screw conveyor to the drive unit
6.
3.
5.
4.
B
A
Fig. 16
1. Undo screw on the motor shaft.
2. Pull motor shaft out downwards.
3. Undo the screws on the screw conveyor fixing tab,
but do not remove them.
4. Push flexible screw conveyor onto the motor shaft.
By turning the shaft, route the screw conveyor
underneath screw conveyor fixing tab
against disc .
B
24
(cont.)
1.
2.
4.
up
A
7.
5. Tighten the screws on the screw conveyor fixing
tab.
6. Insert the motor shaft into the drive unit.
Push the hose onto the drive unit connector and
secure with a hose clip.
7. Secure the motor shaft with a washer and screw.