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7 Servicing/Maintenance
45 of 72
Vitachrom
7.4.7 Removing the mechanical seal
ü
The notes and steps stated in (
ð
Section 7.4.1, Page 42) to
(
ð
Section 7.4.6, Page 44) have been observed/carried out.
ü
The back pull-out unit is kept in a clean and level assembly area.
1. Remove the rotating part of the mechanical seal (spring-loaded ring) from
impeller 230.01.
2. Remove second mechanical seal (rotating assembly), if any, from shaft 210.01.
3. Unscrew hexagon nuts 920.07, if fitted, on drive lantern 341.
4. Remove discharge cover 163.01 from drive lantern 341.
5. Remove the stationary assembly of the mechanical seal (seat ring 433.01) from
discharge cover 163.01.
6. Remove stationary assembly of the second mechanical seal 433.02, if any, from
discharge cover 163.01.
7.5 Reassembling the pump set
7.5.1 General information/Safety regulations
DANGER
Wrong selection of motor
Explosion hazard!
▷
Use an original motor or a motor of identical design from the same
manufacturer.
▷
The permissible temperature limits at the motor flange and motor shaft must
be higher than the temperatures generated by the pump. (Contact KSB for
temperatures).
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷
Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.
CAUTION
Improper reassembly
Damage to the pump!
▷
Reassemble the pump (set) in accordance with the general rules of sound
engineering practice.
▷
Use original spare parts only.
Sequence
Always reassemble the pump in accordance with the corresponding general assembly
drawing or exploded view.
Sealing elements
Always use new O-rings.
Never use O-rings that have been made by cutting an O-ring cord to size and gluing
the ends together.
Always use new gaskets, making sure that they have the same thickness as the old
ones.
Always fit gaskets of asbestos-free materials or graphite without using lubricants
(e.g. copper grease, graphite paste).
Assembly adhesives
Avoid the use of assembly adhesives, if possible.
Summary of Contents for Vitachrom
Page 1: ...Hygienic Pump in Close coupled Design Vitachrom Installation Operating Manual ...
Page 68: ...Index 68 of 72 Vitachrom W Warnings 7 Warranty claims 6 ...
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