© Munters AB, 2013
27
fig. 13
2. Unscrew and remove q.ty 4 screws, q.ty 4 washers
and q.ty 4 nuts (ref.1) from the motor support.
fig. 14
3. Remove motor from fan frame.
fig. 15
4. Unscrew and remove the screw (ref.2) and the
washers (ref.3 & 4) from the motor axle and pull
out the hub (ref.5).
5. Insert the new shutter bearing assembly.
6. Put back the shutter blades and fix the closing
7. Springs in their position.
8. Fit the cover side plates back (see n.1).
Maintenance
Chapter8
The metal sheet used for constructing the fan housing and shutter blades have a
minimum ZM120 galvanization surface treatment (equivalent of 9μm on each
side) which corresponds to a corrosion resistance in salty mist of 1,000h.
Whenever it is intended to use the fans in ambients characterized by the presence
of particularily agressive agents (ammonia, clavolanic acid, etc.) the user, before
installing the fan at the installation site must verify that the environmental conditions
are compatible with the intended use of the materials that compose the fan.
Warning
There are a number of steps that can greatly reduce or eliminate the white rust
formation on the tightly packed components:
•
keep the components dry;
•
unpack the components to permit air circulation between the surfaces;
•
stack the components to allow water to drain out;
•
keep the packed components in such way to prevent moisture contact with
the galvanized surface.
noTe
!
