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Operation and maintenance manual, Discfilter HSF2200-1/2F PFC
Check/Action
Maintenance interval
Check the filter panels for clogging and damage.
See section 7.3.
Unwashed, dark areas in the form of a ring that ex-
tends around the entire disc is indicative of a clog-
ged nozzle(s). See section 7.1.
Once a week, or at another interval based on expe-
rience from actual application.
Inspect the inside of the filter: Make sure no lar-
ge objects that can get caught in the drum, filter
segments or sludge trough have entered the filter.
Also check that the reject does not accumulate (se-
diment) in the sludge trough.
NB Prior to servicing, read section 2.7. Remove large
objects and rinse the sludge trough.
WARNING! Turn the main power switch to
the OFF position and lock with a padlock.
Once a week or another interval based on expe-
rience from the application in question.
Rinse the metal surfaces of the filter structure with
clean water. Clean (uncontaminated) metal surfa-
ces minimise corrosion, particularly in salt water
applications.
Twice a month or another interval based on expe-
rience from the application in question.
Lubricate the swivel to the backwash pipe using
grease of the type NLGI:2 (e.g. Molykote Multilub,
Rembrandt EP or equivalent grease). See section
7.2.1.
Twice a month with continuous drum rotation.
Once a month with intermittent drum operation.
Lubricate the drum bearings (on the inlet and drive
side) using grease of the type NLGI:2 (e.g. Molykote
Multilub, Rembrandt EP or equivalent grease). See
section 7.2.2.
Twice a month with continuous drum rotation.
Once a month with intermittent drum operation.
Check drive chain tension and condition. See sec-
tion 7.4.1
Four times a year with continuous drum rotation.
Twice a year with intermittent drum rotation.
Check the oil level in the drive unit See section 7.5. Twice a year.
Check the inlet gasket. See section 7.6.
Once a year.
Change the gearbox oil. Oil type: ISO viscosity VG
680 (e.g. Omala oil 680 (Shell) or equivalent gear-
box oil). Also see appendix F.
See appendix F.
Inspect the tension and condition on the belt for
the backwash drive.
Ensure that the spray pattern of the spraybar is
correctly placed. If necessary adjust the screw that
controls the location of the spraybar.
Once - twice a year or in connection with nozzle
check up.
Always change the belt for the spraybar when
changing the bearings for the drum.
8. MAINTENANCE SCHEDULE
