7.2 Maintenance/inspection
7.2.1 Supervision of operation
DANGER
Excessive temperatures as a result of bearings running hot or defective bearing seals
Explosion hazard!
Fire hazard!
Damage to the pump set!
Risk of burns!
▷ Regularly check the lubricant level.
▷ Regularly check the rolling element bearings for running noises.
DANGER
Incorrectly serviced shaft seal
Explosion hazard!
Leakage of hot, toxic fluids!
Damage to the pump set!
Risk of burns!
Fire hazard!
▷ Regularly service the shaft seal.
DANGER
Incorrectly serviced barrier fluid system
Explosion hazard!
Fire hazard!
Damage to the pump set!
Leakage of hot and/or toxic fluids!
▷ Regularly service the barrier fluid system.
▷ Monitor the barrier fluid pressure.
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.
CAUTION
Impermissibly high temperature of fluid handled
Damage to the pump!
▷ Prolonged operation against a closed shut-off element is not permitted
(heating up of the fluid).
▷ Observe the temperature limits in the data sheet and in the section on
operating limits. (⇨ Section 6.2 Page 36)
While the pump is in operation, observe and check the following:
▪ The pump must run quietly and free from vibrations at all times.
▪ In case of oil lubrication, ensure the oil level is correct.
▪ Check the shaft seal.
▪ Check the static seals for leakage.
7 Servicing/Maintenance
RPH
41 of 76
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