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Maintenance
NOTICE:
Shorter intervals may be required when the operating conditions are extreme, for
example with very abrasive or corrosive applications or when the liquid temperatures
exceed 40°C (104°F).
Inspection
Regular inspection and service of the pump ensures more reliable operation.
1
Regardless of individual applications, the inspection volume should not be inspected less frequently than the intervals for normal applications and
operating conditions at media (liquid) temperatures <40°C (104°F).
24
Service item
Action
Visible parts on
1.
Check that all screws, bolts, and nuts are properly tightened.
the pump and
2.
Check the condition of the pump casing, strainer, cover, lifting handles, eye bolts,
installation
ropes, chains, and wires.
3.
Check for worn or damaged parts.
4.
Adjust and/or replace if necessary.
Pipes, valves, and
1.
Check for worn or damaged parts.
other peripheral
2.
Adjust and/or replace if necessary.
equipment
Impeller
1.
Check for worn or damaged parts.
2.
Adjust and/or replace if necessary.
Wear on the impeller or surrounding parts necessitates fine adjustments of the impeller or
replacement of worn parts.
Oil
Check the oil:
1.
Take an oil sample.
2.
If the oil contains particles, then replace the mechanical seal. Contact an authorized
service shop.
Make sure that the volume is filled to the correct level. See
A smaller amount of water is not harmful for the mechanical seal.
Cable entry
1.
Check that the following requirements are met:
• The cable entry must be firmly tightened into its bottom-most position.
• The seal sleeve and the washers must conform to the outside diameter of the
cables.
2.
Cut off a piece of the cable so that the seal sleeve closes around a new position on the
cable.
3.
Replace the seal sleeve, if necessary.
Inspection
1.
Check that the inspection screw is properly tightened.
1
volume
2.
Remove the inspection screw.
3.
Drain all liquid, if any.
4.
If there is oil in the inspection volume, then empty the oil and check again after one
week. If there is oil in the inspection volume again, then replace the mechanical seal.
Contact an authorized service shop.
5.
If there is water in the inspection volume, then check that the inspection screw O-ring
is not damaged.
Cable
1.
If the outer jacket is damaged, replace the cable.
2.
Check that the cables do not have any sharp bends and are not pinched.
Cooling system
If the flow through the system has been partly restricted, then rinse and clean.
Level sensors or
1.
Check the functionality.
other sensor
2.
Repair or replace any damaged equipment.
equipment
3.
Clean and adjust the equipment.
Starter equipment 1.
Check the condition and functionality.
2.
Contact an electrician, if necessary.
Flygt 2840.180 Installation, Operation, and Maintenance Manual
Fill with oil
(page 26).
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