Xylem FLYGT 2640.181, Service And Repair Instructions, Page: 57 / 72

WS004780A
Figure 15: Discharge connection for sludge pumps. Generic pump shown.
4.7 Service
Regular inspection and service of the pump ensures more reliable operation.
Type of
service
Purpose Inspection interval
Inspection To prevent operational interruptions and machine
breakdown. Measures to secure performance and pump
efficiency are defined and decided for each individual
application. It can include such things as impeller
trimming, wear part control and replacement, control of
zinc-anodes and control of the stator.
2,000 hours or 1 year, whichever comes
first. Applies to normal applications and
operating conditions at media (liquid)
temperatures < 40°C (104°F).
Overhaul To secure a long operating lifetime for the product. It
includes replacement of key components and the
measures taken during an inspection.
4,000 hours or 2 years, whichever comes
first. These intervals apply 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).
4.7.1 Inspection
Regular inspection and service of the pump ensures more reliable operation.
Service item Action
Visible parts on the
pump and
installation
1. Check that all screws, bolts, and nuts are properly tightened.
2. Check the condition of the pump casing, strainer, cover, lifting handles, eye bolts,
ropes, chains, and wires.
3. Check for worn or damaged parts.
4. Adjust and/or replace if necessary.
Pipes, valves, and
other peripheral
equipment
1. Check for worn or damaged parts.
2. Adjust and/or replace if necessary.
4 Maintenance
2640.181/.281 Service and Repair Instructions 55