Removing The Mechanical Seal - KSB Amacan P 500-270 Installation & Operating Manual

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7 Servicing/Maintenance

7.5.5 Removing the mechanical seal

7.5.5.1 Impeller-end mechanical seal
932.01 550.05 433.01
Fig. 34: Removing the impeller-end mechanical seal
ü The pump set has been securely placed in a horizontal position on wooden
supports. (ð Section 3.2, Page 12)
ü The impeller has been removed.
1. Remove circlip 932.01 and disc 550.05.
2. Pull mechanical seal 433.01 off the shaft.
NOTE
To protect the mechanical seal against damage when pulling it off the shaft placing
a foil (no thicker than 0.3 mm) around the free shaft stub is recommended.
7.5.5.2 Drive-end mechanical seal
932.01
433.02
550.05
350
Fig. 35: Removing the drive-end mechanical seal
ü The impeller-end mechanical seal has been removed.
1. Attach the pump set to the lifting tackle and pull it upright.
(ð Section 3.2, Page 12) Place the pump set down with pump bowl 112 on the
bellmouth.
2. Undo socket head cap screws 914.02.
3. Attach the lifting tackle to bail 571 and lift the pump set out of pump bowl 112.
Amacan P
818
112 914.02 80-1 571