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AODD Configurator

AODD Configurator

How to dismantle an MB centrifugal pump – BELLOWS SEAL

20 September 2019

How is a Debem MB- TS centrifugal pump dismantled properly?

In a few easy steps, damaged or worn parts can be checked and, if necessary, replaced, or preventative measures taken.

Only after ensuring that the pump has been cleaned internally and there are no dangerous substances, proceed as follows, Debem Srl takes no responsibility for damage to property or injury to people, arising from the implementation of the following instructions in the absence of the obligatory environmental and operator safety requirements.

1) disconnect the electrical wires entering the electric motor cover

2) disconnect the circuit pump

3) remove the screws (1)

4) uncouple the pump unit (2) and o-ring (13)

5) unscrew the caps (3), making sure you secure the impeller using a soft belt, so as not to damage the paddles

6) extract the impeller (4) from the shaft (10), taking care with the seal o-ring (11 and 12)

7a) In the case of MB 80/130 – TS pumps, extract the mechanical bellows seal (5) together with the metallic cylinder (8) and the silicon ring including its o-ring (14 and 15)

7b) In the case of MB 130/180 – TS pumps, extract the mechanical bellows seal (5) and the silicon ring including its o-ring (14 and 15)

8a) In the case of MB 80/100 – TS pumps, uncouple the seal support flange (6) from the remaining elements

8b) In the case of MB 110/180 – TS pumps, uncouple the seal support flange (17) from the rear flange (19), removing the securing screws (16); the seal o-ring should also be removed together with this (18)

9) remove the screw (9) securing the lantern to the electric motor

10) extract the lantern (7)

11) slacken the dowel (not visible in the image) used to secure the pump shaft to the electric motor shaft and proceed with extraction.

Should you require more detailed instructions, we recommend consulting the user manual.

For any other queries, please contact our technical office at any time.

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