S
min
S
max.
300 - 860 0.6 0.29 0.35
350 - 360 0.5 0.24 0.28
350 - 430 0.6 0.32 0.37
350 - 510 0.6 0.32 0.37
NOTE
The listed maximum clearances are based on an efficiency loss of approximately 3 %
compared to the clearances of the pump in as-new condition.
7.2.2.4 Cleaning filters
CAUTION
Insufficient inlet pressure due to clogged filter in the suction line
Damage to the pump!
▷ Monitor contamination of filter with suitable means (e.g. differential pressure
gauge).
▷ Clean filter at appropriate intervals.
7.2.2.5 Lubricating the rolling element bearings
DANGER
Excessive temperatures as a result of bearings running hot or defective bearing seals
Explosion hazard!
Fire hazard!
Damage to the pump set!
▷ Regularly check the bearing seals.
CAUTION
Temporary storage of the pump set too long
Formation of deposits or condensate, resinification or leakage of grease!
▷ Replace the complete rolling element bearings before returning the pump set
to service.
CAUTION
Pump stored too long or incorrectly
Damage to the pump!
▷ Check especially the rolling element bearings and the lubricant. If any damage
is suspected, replace the rolling element bearings.
The rolling element bearings are supplied greased for life. No re-lubrication is
required.
7 Servicing/Maintenance
52 of 94
Omega / Omega V
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