Spare Parts - Wilo Atmos GIGA-I Einbau- Und Betriebsanleitung

12

Spare parts

No. Part
1 Exchange kit (com-
plete)
1.1 Impeller (kit) with:
Installation and operating instructions Wilo-Atmos GIGA-I/-B
Spare parts
Faults
Pump runs at reduced
performance.
Pump makes noises.
Table 6: Faults, causes and remedies
Obtain genuine spare parts only from a qualified specialist or Wilo customer service. To
avoid queries and order errors, please provide all pump and drive rating plate data with
every order.
CAUTION
Risk of material damage!
Trouble-free pump operation can only be guaranteed when original spare parts are
used.
Use only original Wilo spare parts!
Information to be provided when ordering spare parts: spare part numbers, spare
part names/descriptions, all data from the pump and rating plate. This helps prevent
return queries and incorrect orders.
NOTICE
List of genuine spare parts: See Wilo spare parts documentation.
For the allocation of assemblies, see spare parts table.
Details No.
1.5
2
Causes
Incorrect direction of rota-
tion.
Stop valve on the pressure
side throttled.
Speed too slow
Air in the suction line
Cavitation due to insuffi-
cient suction pressure.
Incorrectly installed mech-
anical seal.
Motor has bearing damage.
Impeller grinding.
Part
Coupling (complete)
Motor
Remedies
Check the direction of rotation
and change it if necessary.
Slowly open the stop valve.
Incorrect terminal bridging (Y
instead of Δ).
Eliminate leakage at flanges.
Vent pump. In case of visible
leakage, replace the mechan-
ical seal.
Increase the suction pressure.
Observe the minimum inlet
pressure at the suction port.
Check slide valve and filter on
the suction side and clean if
need be.
Remove the mechanical seal;
replace defective parts; install
mechanical seal in accordance
to the instructions.
Have the pump checked by
Wilo customer service or a spe-
cialised service centre and re-
paired if necessary.
Check faces and centrings and
between lanterns and motor
and lantern and pump housing,
clean if necessary.
Check the coupling and shaft
sliding surfaces. If necessary,
clean and slightly oil them.
Details
en
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