MCZ Hydrotherm 70 - Manual (Page 43)

INSTALLATION AND USE MANUAL
Chapter 6
page
43
Maintenance and cleaning Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
6.1.4. Cleaning flue pipe
Mechanical cleaning of the flue pipe is recommended at least once a
year. Excessive deposits of unburnt solid material can cause problems
with the evacuation of smoke, and gives rise to a risk of chimney fires
6.1.5. Lubrication and routine maintenance of the
extensible guides
All of the doors of the fireplace stoves are mounted on extensible
ballbearing guides that ensure a robust, sturdy system that provides
silent movement.
Prolonged use and the heat of the fireplace stove gradually depletes
the lubricant in the guides. This will cause them to become less efficient
and noisier.
If necessary, periodically grease both runners as follows:
 Pull open the frame liner and extract the door so you can see
the tracks of the guide.
 Using the provided grease gun, apply two drops of grease,
about 5 mm in diameter, at the highest visible point of the
runners. Do not exceed the recommended amount!
 Perform this operation on both guides. Keep in mind that the
total amount of grease to be used is about 0.5ml (see
graduated scale on grease gun).
After lubrication:
 Put the glue gun back and conserve it
 Lower and raise the door completely at least 6 or 7 times so
that the grease is spread onto all of the other components of
the guides to complete lubrication. You should notice a
substantial improvement in ease of movement and noise
reduction.
It is advisable to carry out this operation at the end of
the season of use, or whenever the runners become
too noisy.
Do not use other types of grease. If the grease gun
runs out, request an MCZ original replacement.
Figure 15 – Points to be greased with provided
grease gun