12
SSC-SVN001F-EN
Maintenance Procedures
These sections describe maintenance
procedures to be performed as part of
the normal unit maintenance program.
Air Filters
The
washable
permanent
filters
provided with the AC units should be
cleaned using a solution of water and
neutral detergent.
Put the filters into the solution, brush
them, flush with cold water and then
apply a compressed air jet.
Replace throwaway filters.
Do not operate the unit without filters.
Maintenance
Procedures
Sheaves and Belts
Check if the sheaves are properly
aligned and operating correctly.
1. Turn the sheaves by hand in order
to check if they can move freely.
2. Check motor and fan shafts. Both
shafts should be parallel to each other.
3. Verify that fan and motor sheaves
are aligned. In case of sheaves with
different widths, align sheave centers,
as shown in Fig. 2.
4. Make sure the belt tension is correct.
This will increase the life of motor and
fan bearings.
Fig. 06 - Belt Alignment
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