KSB Emporia MB, Installation & Operating Manual

Page: 26 / 40

7 Servicing/Maintenance
26 of 40
Emporia MB
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.
7.2 Servicing/inspection
7.2.1 Supervision of operation
DANGER
Incorrectly serviced shaft seal
Fire hazard!
Hot fluids escaping!
Damage to the pump set!
▷ Regularly service the shaft seal.
DANGER
Excessive temperatures as a result of bearings running hot or defective bearing
seals
Fire hazard!
Damage to the pump set!
▷ Regularly check the rolling element bearings for running noises.
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.
(
ð
Section 6.2, Page 22)
While the pump is in operation, observe and check the following:
▪ The pump must run quietly and free from vibrations at all times.
▪
Check the shaft seal.
(
ð
Section 6.1.4, Page 21)
▪ Check the static sealing elements for leakage.
▪ Check the rolling element bearings for running noises.
Vibrations, noise and an increase in current input occurring during unchanged
operating conditions indicate wear.
CAUTION
Operation outside the permissible bearing temperature
Damage to the pump!
▷ The bearing temperature of the pump (set) must never exceed 90 °C (measured
on the outside of the motor housing).