Pump Construction; Contaminated Pumps - Grundfos Unilift AP12 Bedienungsanleitung

The pump contains approx. 60 ml non-poisonous oil.
Used oil must be disposed of in accordance with
local regulations.
If the drained oil contains water or other impurities,
the shaft seal should be replaced.

6.1 Pump construction

The construction of the pump will appear from the
table below and figs. A, B and C at the end of these
instructions.
Pos. Description
6 Pump housing
37a O-ring
49 Impeller
55 Pump sleeve with motor
66 Washer
67 Lock nut
84 Suction strainer
105 Shaft seal
182 Level switch
188a Screws
193 Screws

6.2 Contaminated pumps

Note: If a pump has been used for a liquid which is
injurious to health or toxic, the pump will be classi-
fied as contaminated.
If Grundfos is requested to service the pump,
Grundfos must be contacted with details about the
pumped liquid, etc. before the pump is returned for
service. Otherwise Grundfos can refuse to accept
the pump for service.
Possible costs of returning the pump are paid by the
customer.
However, any application for service (no matter to
whom it may be made) must include details about
the pumped liquid if the pump has been used for liq-
uids which are injurious to health or toxic.
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