Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 90

Pellet boiler 60 to 70 kw
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Commissioning, inspection, maintenance
Cleaning the heat exchanger
Removing the turbulators
2.
4x
6x
4x
2x
1.
Fig. 73
1. Pull out the spring pin.
2. Pull out the bolts.
90
(cont.)
3.
3. Remove the cover.

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