Specifications

95
Maintenance
HP rotor
LP rotor
frame
HP stator
LP stator
median flange
rear flange
seal-holder
Replacement of shaft seals
Specific tools
Recommended tools
Extracting a shaft seal from
its housing
Assembling the shaft seal
Direction of assembly
of shaft seals
• Specific assembly mandrel.
• A support plate (or washer).
• A flat screwdriver .
With the flange flat, the seal is extracted
using a screwdriver, resting on the plate
(or washer) so as not to damage the
seal housing.
The seal housing and the seal lip are
lubricated with the lubricant used in the
pump.
The flange is resting on a flat surface.
According to the direction of assembly
specific to each pump, the seal is fitted on
the assembly mandrel.
Using a press or a hammer, the seal is
inserted in its housing.
They are fitted using the assembly mandrel according to the direction of
assembly below:
ø 24.5 ± 0.1
5.5 ± 0.2
ø 14
+0.2
0
1
à 45°C
+0.2
0
Mandrel