Xylem GK GV (8203, 8203X) - Manual (Page 45)

WS001297A
4. Adjust the impeller:
a) Using a hexagon-bit adapter, turn the adjustment screw clockwise until the impeller
makes contact with the pump housing.
b) Tighten it a further 1/8 turn (45°).
WS003001A
5. Fasten the impeller:
a) Fit the greased washer and impeller screw.
b) Tighten the impeller screw.
Tightening torque: 44 Nm (33 ft-lbs)
c) Tighten it a further 1/8 turn (45°).
WS001289A
d) Remove the rod used to lock the impeller.
e) Check that the impeller can rotate freely.
Maintenance
GK, GV (8203, 8203X) Installation, Operation, and Maintenance Manual 43