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Operation and maintenance, Discfilter HPF2200-series PFLC
7.5.3 Replacing the drive chain
1. Turn the main power switch to the OFF position and lock with a padlock.
2. Get maximum amount of slack on the drive chain by using the chain tensioner. For further
information of how to use the chain tensioner, read section 7.5.2.
3. Split and remove the drive chain.
4. Fit the new drive chain.
5. Adjust drive chain tension in accordance with section 7.5.2.
6. Start operations again as set out in section 5.1.
7.6 Drive unit
NB Prior to servicing, read section 2.7.
For information about the drive unit, see Appendix D.
7.7 Inlet gasket
NB Prior to servicing, read section 2.7.
7.7.1 Checking the inlet gasket
1. Turn the main power switch to the OFF (0)
position and lock with a padlock.
2. Lower the water level in the filter until the
whole inlet gasket is accessible.
3. Make sure the inlet gasket rests against the
inside of the drum.
4. Inspect the inlet gasket for damage and
wear (see Figure 7.24).
5. If necessary, replace the inlet gasket in accor-
dance with section 7.7.2.
6. Start operations again as set out in section 5.1.
Figure 7.24 Inlet gasket.
