7 Servicing/Maintenance
35 of 60
Sewabloc
900.02
920.17
550.04
164.02
412.05
Fig. 7:
Inspection hole in the casing
Opening the inspection hole
▪
Close the shut-off element on the suction side.
▪
Switch off the drive and make sure it cannot be re-started unintentionally.
▪
Close the shut-off element on the discharge side.
▪
Open the drain plug (auxiliary connection 6B).
▪
Collect and dispose of any liquid residues.
▪
Loosen nuts 920.17 at the inspection hole. Remove inspection cover 164.02.
▪
Perform a visual inspection with a lamp or similar.
Closing the inspection hole
▪
Fit new O-ring 412.05.
▪
Fit inspection cover 164.02.
▪
Fit discs 550.04 and nuts 920.17 on screws 900.02. Tighten the nuts.
▪
Observe the instructions on commissioning/start-up. (
ð
Section 6.1.1, Page 27)
7.2.3 Lubrication and lubricant change
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 condition of the lubricant.
7.2.3.1 Lubricating the rolling element bearings
The rolling element bearings of the pump sets are grease-packed and maintenance-
free.
7.2.3.2 Changing the lubricant of the mechanical seal
DANGER
Excessive temperatures in the shaft seal area
Explosion hazard!
Damage to the pump set!
▷
Regularly check the lubricant level.
Содержание Sewabloc Series
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