3.
MAINTENANCE
IOM manual CTI & CTH centrifugal pumps
22
Fig. 3.4.13
Put a few drops of alcohol on the dynamic part O-
ring before mounting on shaft extension [16].
Fig. 3.4.14
Evenly pressing, place the dynamic part of the
mechanical seal [15A] onto the shaft extension [16].
Fig. 3.4.15
Assembly the spring of the mechanical seal.
Fig. 3.4.16
Evenly with both hands press the impeller [9…] onto
the shaft extension [16].
When mounting the impeller [9…] on the shaft
extension [16] make sure that it is locked in the
proper position before tightening the mounting
screw [191] with its washer [192].
NOTE! Take care not to damage the head surface of
the shaft extension.
Fig. 3.4.17
When assembling the washer [192] remember to
face the flat surface towards the impeller [9…]. Fit the
mounting screw [191] into the shaft extension [16].
Fig. 3.4.18
For tightening the mounting screw [191], use a
spanner key in the opening of the pump back cover
[11] to hold the shaft [16].
