16
GB
9. Maintenance and inspection
9.1 Safety measures
i
Important!
The operator must be provided with any protective
clothing that may be required.
Before maintenance and inspection work, turn off the
power supply to the pump.
Intervall
Assembly
Action
Carried out by:
As required
Pump exterior
Clean off any stuck on dirt
Operating personnel
As required
Strainer cap, suction side
Clean
Maintenance personnel
Monthly
Housing
Visual check for damage
Operating personnel
Monthly
Housing
Check for leaking seals and loose connections Operating personnel
Monthly
Electrical equipment
Visual check for damage
Operating personnel
9.2 Maintenance and inspection table
Defective and worn parts must be replaced.
Who can carry out maintenance and inspection work?
Normal maintenance work may be carried out
by operational personnel.
10. Troubleshooting
Problem
Possible cause
Solution
System does not vent
air within 1 minute the
first time it is used
Container is empty
Fill the container.
Strainer cap blocked
Clean strainer cap
Air cannot escape from delivery line
Open pressure side valve
(delivery nozzle/system valve)
Pump motor not turning
although pump is
switched on
No power supply
Check that the terminal clamps are correctly
attached and that there is sufficient battery power.
External power pack defective
Check to see if the power pack is plugged in and
switched on and the output voltage is present.
Defective fuse
Check the blade fuse in the black holder
on the connection cable. Replace if nec.
Motor running slow
Insufficient power supply
Provide voltage of at least 80 %
of the nominal value
Pump motor turning
but pump not pumping
Counterpressure too high
(bypass open)
Reduce delivery height or use a larger
cable cross-section
Lines/hoses are blocked
Check to see if the delivery hose is kinked or a
valve is closed.
Motor turning in wrong direction
Check that the polarity of the power supply
is correct.
Increased noise
development
Air bubbles in the liquid
Leave the tank to stand for a few minutes.
Container empty
Fill the container
Broken seal
on pump housing
Defective seal
Replace the pump
Summary of Contents for CENTRI SP30
Page 107: ...107 Notizen ...