Draining/Cleaning; Disassembling Of The Pump/Unit; Preparation; Dismantling Pump/Unit - BADU Normblock Multi Originalbetriebsanleitung

Maintenance
8.3

Draining/Cleaning

• Normblock Multi: Loosen the drain plug (903) on the pump
housing and drain and dispose of the pumped liquid properly.
• BADU Block Multi: Loosen the drain plug (903.3) on the
pre-filter housing and drain and dispose of the pumped liquid
properly.
Clean or rinse the pump/unit with clear water.
8.4

Disassembling of the pump/unit

DANGER
Danger of injury due to insufficient safeguarding.
 Turn the pump/unit off correctly.
 Close shut-off valves and additional connections.
Drain the pump.

NOTICE
Disassembling various components from the shaft can be difficult
following longer operation times.
 Either use suitable extractor devices or commercial rust
disolvers.
8.4.1

Preparation

1. Switch the pump off and secure it from being switched on
again.
2. Reduce the pressure in the pipe system by opening a
consumer.
3. Dismantle additional connections.
8.4.2

Dismantling pump/unit

NOTICE
Depending on the installation conditions, the pump and motor size
are the deciding factors as to whether the pump unit should be
completely dismantled or just the motor unit.
1. Loosen the piping from the suction and pressure lines.
2. Loosen the motor feet (Normblock Multi) or pre-filter housing
(BADU Block Multi) screws from the foundation.
3. Remove the complete pump/unit from the piping.
36 EN 04/2019