24
Operation and maintenance manual for
Hydrotech Discfilter HSF31-series
7.8.Maintenance.schedule
Inspection./.Action
Maintenance.interval
Check the nozzles.
(If clogged, see section
7.1.1
)
Every week or other interval
based on experience for the
actual application.
Visually check the filter panels for damages. (See also
section 7.3)
Every week or other interval
based on experience for the
actual application.
Inspect the inside of the filter for larger pieces of debris
which cannot be removed by the rinse water system and
check the sludge trough for any accumulated sludge.
Remove this debris manually and hose down the sludge
trough if sludge accumulates.
WARNING!
Set the safety switch to OFF (0) and
lock it in the OFF position by means of a padlock before
starting any work on the filter.
Every week or other interval
based on experience for the
actual application.
Grease the ball bearings in the support wheels with
grease type NLGI:2 Grease: Molykote Multilub,
Rembrandt EP or equivalent grease.
Every 2nd week at continuous
operation.
Wash the surface of the stainless steel constructions with
clean water. Especially in salt water systems, keeping
surfaces free of contamination minimizes corrosion.
Every 2nd week or other
interval based on experience for
the actual application.
Grease the centre bearings (see section 7.2.1) with
grease type NLGI:2.
(Grease : Molykote Multilub, Rembrandt EP or
equivalent)
Every 2nd week at continuous
operation.
Check the drive chain tension.
Every 6th month.
Visually check the drive chain for damages
Every 6th month.
Grease the chain with Pinus N68 or equivalent chain oil.
Every 6th month.
Check the inlet rubber sealing between the filter frame
and the drum, for wear / damage.
Every year.
Visually check the support wheel bearings for
exceptional wear
Every year.
Check if the nozzles are worn out. Change if necessary
(see
7.1.2
).
Every year or other interval
based on experience for the
actual application.
Change the gearbox oil.
Oil type: ISO viscosity VG 680 (e.g. Omala oil 680 (Shell)
or equivalent).
See appendix F.
!
