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Maintenance
1
Regardless of individual applications, the inspection chamber should not be inspected less frequently than the intervals for normal
applications and operating conditions at media (liquid) temperatures <40°C (104°F).
28
Service item
Action
Wear on the impeller or surrounding parts necessitates fine adjustments of the impeller
or replacement of worn parts.
Oil
Check the water and oil mixture as follows:
1.
Insert a tube or hose into the oil hole.
2.
Cover the top end of the tube.
3.
Take up a little oil from the bottom.
(Air/oil mixture can be confused with water/oil mixture.)
4.
If the mixture contains too much water, in other words if it is heavily emulsified
(creamlike) or if the water has settled out, then change the oil. See
oil
Cable entry
1.
Check that the following requirements are met:
• The cable clamps must be properly tightened.
• 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
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
chamber
2.
Remove the inspection screw.
3.
Drain all liquid, if any.
4.
If there is oil in the inspection chamber, then check that the inner mechanical
seal is not damaged. If necessary, contact an authorized service shop.
5.
If there is water in the inspection chamber, then do the following:
a.
b.
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
1.
Check the condition and functionality.
equipment
2.
Contact an electrician, if necessary.
Insulation
1.
Check the insulation between:
resistance in the
• Phase–phase on the stator
stator
• Phase–earth (ground)
The insulation should be > 1 megohm. Use a 1000-VDC megger to test the
insulation.
2.
If the resulting value is < 1 megohm, then contact an authorized service shop.
(page 29). Check again one week after changing the oil.
cables.
Check that the O-ring is not damaged.
Check that the cable entry does not have any leakage.
Flygt 3060 Installation, Operation, and Maintenance Manual
Change the
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