9 Installation and removal
AL HPM
After all the installation work has been completed, the movement of the drive shaft must be checked on the machine by rotating
it manually before the drive is switched on. Make sure the drive cannot be switched on accidentally.
Before any maintenance and repair work, switch off the main power supply switch and lock with a padlock. The person carrying
out the maintenance or repair work must hold the key to this lock.
9.1
Rotor/Stator
Removal of the Rotor/Stator
1. Isolate the AL HPM from the mains
2. Remove the funnel and cover plate
3. Disconnect supply pipes from solid and fluid pipes.
4. Undo and remove 6 cap nuts from the pump housing
5. Remove the complete pump housing with stator from the machine
Fitting the Rotor/Stator
Fit the tools in the reverse order to their removal:
To make removal easier, first lightly grease the hubs of the tools with a suitable grease.
When fitting, make sure that the O-rings of the individual tools lie correctly in the groove when they are stacked.
Firmly tighten the shaft cap nuts with a torque wrench (tightening torque approximately 30 Nm). We also recommend locking
the thread with a liquid thread lock, such as Loctite, for example.
9.2
Installing the drive
Details for installing the drive are included in the separate operating instructions for the multi-stage centrifugal pump LKH.
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