3. Remove the impeller.
Use the impeller puller or the crowbars.
4. Remove the conical sleeve.
Install the F-impeller
1. Prepare the shaft:
a) Make sure that the end of the shaft is clean and free from burrs.
Polish off any flaws with a fine emery cloth.
b) Lubricate the shaft.
NOTICE:
Do NOT grease the conical part of the shaft.
2. Mount the impeller:
a) Fit the conical sleeve onto the shaft.
b) Fit one plain washer with a thickness of 2 mm (0.08 in.), eight adjustment washers with a thickness
of 0.5 mm (0.02 in.), and eight adjustment washers with a thickness of 0.2 mm (0.008 in.) onto the
impeller.
c) Press the impeller onto the shaft with the impeller screw.
3. Fasten the impeller:
a) Prevent the impeller from rotating by inserting the rod through the pump housing outlet.
b) Tighten the impeller screw.
If applicable, use the rod.
Tightening torque: 65 Nm (48 ft-lbs)
Maintenance (Continued)
Flygt 3102 Service and Repair Instructions
47
