Maintenance
If you do not have a shaft seal driver, place the shaft seal
on the centering disk and carefully
force it in with light blows of the plastic hammer.
The shaft seal must not be bent.
Push the bushing (12/12) on to the shaft.
Insert the O-ring (12/11) into its groove.
Carefully push the centering disk (12/10) with the shaft
seal onto the shaft and up against the end plate; fasten
it with the screws (12/9).
Push the O-ring (12/7) and the compression disk (12/6)
on to the shaft.
Insert the key (12/5).
Mount the pump-half of the coupling (12/4) on the shaft.
Install the spring washer (12/3) and tighten the screw
(12/2).
Insert the coupling element (12/1) into the coupling and
mount the motor (see Section 3.5).
3.7 Removing and
Remounting the Pump
Module
Required tools:
Allen keys size 3, 5, and 8 mm, box wrench size 13,
possibly pliers, torque wrench.
Required spare parts:
Gaskets: . . . . . . . . . . . . . . . . . . . . . . . 239 73 039
. . . . . . . . . . . . . . . . . . . . . . . 200 90 148
3.7.1 Removing the Pump Module
Drain the oil and remove the oil case (see Section 3.4).
Unscrew the hex. nuts (13/1).
Pull the entire pump module (13/2) forward off the tie
rods (13/5).
When doing so, ensure that the individual
pin-fitted parts are not loosened. Further
disassembly of the pump module should
only be carried out by a trained service
engineer.
Remove the gasket (13/3).
Remove the coupling element (13/4).
After removing the protective shipping
materials, handle the new pump module
with care.
Before installing a new pump module, remove the four tie
rods from the new module and insert them in the old one
for protection during shipment.
20
Caution
Caution
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