7.1 Maintaining the product
• Check the pump and replace the oil once a year. If
the pump is used for pumping liquids containing
abrasive particles or it is operating continuously,
the pump must be checked at shorter intervals.
• If the drained oil contains water or other
impurities, we recommend that you replace the
shaft seal. Contact Grundfos Service.
7.2 Oil
In the case of long operating time or continuous
operation, the oil must be replaced as follows:
Liquid temperature
The oil must be replaced af-
ter
20 °C 4500 operating hours
40 °C 3000 operating hours
55 °C 1500 operating hours
The pump contains 78 ml non-poisonous oil.
Used oil must be disposed of in accordance with local
regulations.
7.3 Construction
The construction of the pump will appear from the
table below and figures 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 Inlet strainer
105 Shaft seal
182 Level switch
188a Screws
193 Screws
7.4 Service kits
Service kit Part number
Shaft seal, standard 96429307
Shaft seal, FKM 96429308
Oil 96010646
7.5 Contaminated pumps
CAUTION
Biological hazard
Minor or moderate personal injury
‐ Flush the product thoroughly with clean
water and rinse the parts in water after
dismantling.
‐ Wear personal protective equipment.
13
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