7 Servicing/Maintenance
52 of 84
Amarex N
2563.84/08-EN
WARNING
Hot surface
Risk of injury!
▷
Allow the pump set to cool down to ambient temperature.
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷
Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.
Observe the safety instructions and information.
For dismantling and reassembly observe the general assembly drawing.
In the event of damage you can always contact KSB Service.
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷
Properly shut down the pump set.
▷
Close the shut-off elements in the suction line and discharge line.
▷
Drain the pump and release the pump pressure.
▷
Shut off any auxiliary feed lines.
▷
Allow the pump set to cool down to ambient temperature.
WARNING
Components with sharp edges
Risk of cutting or shearing injuries!
▷
Always use appropriate caution for installation and dismantling work.
▷
Wear work gloves.
7.4.2 Preparing the pump set
ü
The notes and steps stated in (
Section 7.4.1, Page 51) have been observed/
carried out.
1. De-energise the pump set and secure it against unintentional start-up.
2. Drain the lubricant.
3. Drain the leakage chamber and leave it open for the duration of the
disassembly.
7.4.3 Dismantling the pump section
Dismantle the pump section in accordance with the relevant general assembly
drawing.
1. Remove suction cover 162.
2. Undo and remove the M8 impeller fastening screw.
The impeller/shaft connection is a tapered fit.
3. For removing the impeller, an M10 jacking thread is provided at the impeller
hub.
Screw in the jack as shown in the drawing below and remove the impeller.
Summary of Contents for Amarex N series
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