TM1040241
SL impeller clearance screws
TM083389
SE impeller clearance screws
Pos. Description
1 Set screws
2 Fastening screws
13.1.1 Impeller clearance adjustment - in case of minor maintenance when the pump remains in application
Tighten the set screws carefully to avoid bearing damage.
The following method is suitable for pumps in horizontal position.
TM083497
Horizontal lifting points for SL pumps
SL pumps are not intended for horizontal installation.
Only move them horizontally for maintenance purposes.
Proceed as follows:
1. Loosen all fastening screws.
2. Slowly tighten all three set screws to a stop. Follow a circular pattern when tightening, use the same torque on each screw (torque wrench
not necessary). In this case, the suction cover touches the impeller, and the impeller cannot be turned, the gap is set to 0. To make sure
that the Suction Cover is not slanted in any direction, check the „Indirect Gap” around. The gap must be even all around.
3. Loosen all set screws one by one, by turning them 120° counterclockwise.
90
English (GB)
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