9 Maintenance
Control of sludg e content
Dismantle the separator and
measure the thickness (A) of
the sludge collected on the bowl
wall. The thickness should never
exceed 10 mm.
If the interval between bowl
cleaning is too long, this can
result in a sludge cake that is
hard and difficult to remove. Too
long interval can also result in that
sludge enters the disc stack and
hinders separation. Oil overflow
and vibration can also occur.
When cleaning very contaminated
oil, bowl cleaning every 20 - 30
minutes could be necessary.
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A. Max. thickness = 10 mm
(corresponds to 0.6 litre)
1. Sludge
2. Bowl wall
See 9.4.2 Cleaning of bowl on page 58 for
information on procedure.
For further information, see 7.2 Separation
mode on page 35.
9.1.2 Strainer
When using the suction pipe with built-on strainer,
this has to be cleaned regular ly. How often
depends on the amount of coarse particles.
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During the initial period, open and inspect once every day to determine the necessary cleaning
inter val.
9.2 Once per year
9.2.1 Separator
Replace the O-rings with new ones included in the O-ring service kit. Their positions are shown in
the Spare Parts Catalogue.
See 9.4.3 Replacement of O-rings in purifier bowl on page 62 and 9.4.4 Replacement of O-rings in
clarifier bowl o n page 64 for procedure.
Check the condition of discs in the bowl, replace if necessary.
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