6.3
Pump maintenance
Cleaning/servicing the multi-vane impeller (GTF500):
▶ Check the ease of movement of the moving parts.
▶ Check the ease of movement of the float switch.
▶ Remove the intake cage.
▶ Remove the spiral housing.
▶ Check the multi-vane impeller for deformation and ease of
movement.
▶ Clear the ventilation pipe. ➋
▶ Clean moving components.
▶ Clean the exposed multi-vane impeller using a water bath.
▶ Wipe the float switch down with a damp cloth.
▶ Assemble the pump again in reverse order.
54
Installation and operating manual
1
Fig. [20]
2
3
016-059