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Operation and maintenance, Discfilter HPF2200-series PFLC
If necessary clean the chemical ramp nozzles as described below:
1. Turn the main power switch to the OFF (0) position and lock with a padlock.
2. Remove the nozzle by turning it ¼ turn anticlockwise (see Figure 7.13 b).
3. Clean the nozzle with compressed air or a plastic brush.
Never use a wire brush, metal pins or similar as these can damage the nozzle.
4. Refit the nozzle on the chemical ramp.
5. Start operations again as set out in section 5.1.
Figure 7.13 b) Nozzles on chemical ramp.
Figure 7.13 a) Location of the chemical spraybar (highlighted in blue) seen from the inlet side of the filter.