Servicing/Maintenance; Servicing/Inspection; Removing The Pump Set - KSB UPA Installation & Operating Manual

7 Servicing/Maintenance

7 Servicing/Maintenance

7.1 Servicing/inspection

Submersible borehole pumps are generally maintenance-free.
The following changes may result in damage. Checking the values regularly is
recommended.
▪ Temperature rise of the fluid handled
▪ Increased sand content of the fluid handled
▪ Change in current input
▪ Change in head and/or flow rate
▪ Change in frequency of starts
▪ Increase in noise and vibration levels
The submersible borehole pump need not be removed from the well/tank regularly
for inspection.
For any queries, repeat orders and/or spare parts orders specify the following
information. (ð Section 4.5, Page 21)
▪ Type series and size of pump and/or motor
▪ Operating data
▪ Order number or material number
For information concerning repair jobs and spare parts please contact your nearest
KSB service centre.
Pump set for sprinkler Pump sets for sprinkler applications are maintenance-free.
applications

7.2 Removing the pump set

Electrical connection work by unqualified personnel
Danger of death from electric shock!
Uncontrolled backflow of the fluid handled turning the magnet rotor in the UMA-
S 150, UMA-S 200 and UMA-S 250 submersible motor
The rotating permanent magnet rotor may generate an electric current at the
motor lead ends!
Danger of death from electric shock!
UPA / UPA S
1. To make sure the pump set is ready for operation, start up the pump set every
14 days for 5 minutes.
DANGER
▷ Always have electrical work performed by a trained and qualified electrician
only.
▷ Observe regulations IEC 60364 and HD 637 S1.
DANGER
▷ Take suitable precautions to prevent any inadvertent rotation caused by
uncontrolled backflow of the fluid handled.
▷ Make sure the motor cannot be rotated inadvertently.
▷ Observe the safety regulations that apply to work involving electrical hazards.
Verify that the equipment is de-energised.
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