7 Servicing/Maintenance
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CTN / CTN-H
WARNING
Insufficient stability
Risk of crushing hands and feet!
▷ During assembly/dismantling, secure the pump (set)/pump parts to prevent
tilting or tipping over.
A regular maintenance schedule will help avoid expensive repairs and contribute to
trouble-free, reliable operation of the pump, pump set and pump parts with a
minimum of servicing/maintenance expenditure and work.
NOTE
All maintenance work, service work and installation work can be carried out by KSB
Service or authorised workshops. For contact details please refer to the enclosed
"Addresses" booklet or visit "www.ksb.com/contact" on the Internet.
Never use force when dismantling and reassembling the pump set.
7.2 Servicing/Inspection
7.2.1 Supervision of operation
DANGER
Excessive temperatures as a result of thrust bearings (rolling element bearings)
running hot or defective bearing seals
Explosion hazard!
Fire hazard!
Damage to the pump set!
▷ Regularly check the lubricant level.
▷ Regularly check the rolling element bearings for running noises.
DANGER
Risk of potentially explosive atmosphere inside the pump
Explosion hazard!
▷ The pump internals in contact with the fluid to be handled, including the seal
chamber and auxiliary systems, must be filled with the fluid to be handled at all
times.
▷ Provide sufficient inlet pressure.
▷ Provide an appropriate monitoring system.
CAUTION
Increased wear due to dry running
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷ Never close the shut-off element in the suction line and/or supply line during
pump operation.
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