Xylem GK GV (8204, 8204X) - Manual (Page 45)

WS006260A
3. Remove the impeller screw:
a) Place the pump horizontally.
b) Lock the impeller in place by inserting a rod through the pump housing outlet.
c) Remove the impeller screw and the washer.
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°).
Maintenance
GK, GV (8204, 8204X) Installation, Operation, and Maintenance Manual 43