Evac 6540372 - 5.7 Installation of the impeller

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OPERATION & MAINTENANCE
Date: 06 Feb 2018 Doc. 000635-4
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6540372 PUMP SE 044A 3 X 220V 50 HZ 6540381 PUMP SE 044A 3 X 690V 60 HZ
6540369 PUMP SE 044A 3 X 380-420V 50 HZ 6540371 PUMP SE 044A 3 X 230V 60 HZ
6541600 PUMP SE 044A 3 X 690V 50 HZ 6540370 PUMP SE 044A 3 X 460V 60 HZ
4) Be sure that the end of the spring will go into the
groove in the retaining ring.
5) Compression of the spring is correct when the
distance from surface of the retaining ring to the
surface of seal housing is 1.5 mm. (See picture.)
6) Tighten the socked head screw in the retaining ring
carefully. The correct tightening torque is 7 Nm.
7) Remove the adhesive tape from the key way.
5.7 Installation of the impeller
Install the shaft key and the impeller. Secure the impeller using the impeller locking screw (P/N 5451350). The
correct tightening torque is 40 Nm.
! NOTE: The impeller locking screw must be changed to new one every time when unscrewed.