Xylem GK GV (8204, 8204X) - Manual (Page 46)

WS003001A
5. Fasten the impeller:
a) Fit the greased washer and impeller screw.
b) Tighten the impeller screw.
Tightening torque: 76 Nm (56 ft-lbs)
c) Tighten it a further 1/8 turn (45°).
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d) Remove the rod used to lock the impeller.
e) Check that the impeller can rotate freely.
Maintenance
44 GK, GV (8204, 8204X) Installation, Operation, and Maintenance Manual