c) Grease the conical sleeve, the threads of the adjustment screw, the washer, and the
impeller screw.
Always use a new impeller screw.
d) Adjust the adjustment screw so that it is flush with the sleeve.
e) Fit the sleeve and impeller to the shaft.
f)
Hand-tighten the impeller screw to prevent it from falling off.
Maintenance
48 Flygt 3153 Installation, Operation, and Maintenance Manual