DAB 1 KVT Installations- Und Wartungsanleitungen Seite 54

For ME heads do not disassemble the motor side half coulpling.

Rescrew by hand the regulating nut until it touches its base (fig. 11).

Tighten the adjustment nut of 1/6 turn at a time until the pump becomes free to rotate (impellers disconnected from their
place). At this point the pump should turn freely by hand.
OR drive heads:

Insert one flat spanner into the flat slots on the transmission shaft O and another flat spanner P on the regulating nut
(fig. 12).

Holding O quite still immobile, screw down P in order to lift the transmission shaft.

Screw up again in order to match the hole of the set screw with the corresponding threaded hole.

Put the set screw in and screw down tightly.
ME drive heads:

Insert one flat spanner into the flat slots on the transmission shaft O and a socket wrench P on the regulating nut (fig. 13).
Holding O quite still immobile, screw down P in order to lift the transmission shaft.

Screw up again in order to match the hole of the set screw with the corresponding threaded hole.

Put the set screw in and screw down tightly (fig. 14).
ENGLISH
Figure 11
Figure 13
50
Figure 12
Figure 14