6.4 Service the pump
Type of
maintenance
Purpose Inspection interval
Initial inspection A Xylem-authorized personnel checks the pump condition.
From the results, the personnel recommends the intervals
for the periodical inspection and overhaul for the
installation.
Within the first year of operation.
Periodical
inspection
The inspection prevents operational interruptions and
machine breakdowns. The measures to increase
performance and pump efficiency are decided for each
application. They can include such things as impeller
trimming, wear part control and replacement, control of
zinc-anodes and control of the stator.
Up to every year
Applies to normal applications and
operating conditions at media
(liquid) temperatures <40°C
(104°F).
Overhaul The overhaul lengthens the operating lifetime of the
product. It includes the replacement of key components and
the measures that are taken during an inspection.
Up to every three years
Applies to normal applications and
operating conditions at media
(liquid) temperatures <40°C
(104°F).
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).
6.4.1 Inspection
Service item Action
Cable 1. If the outer jacket is damaged, then replace the cable.
2.
Check that the cables do not have any sharp bends and are not pinched.
Connection to power Check that the connections are properly secured.
Electrical cabinets Check that they are clean and dry.
Impeller 1. Check the clearance.
2. If necessary, adjust.
6 Maintenance
40 Flygt 3069 Installation, Operation, and Maintenance Manual
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