6. Fasten the impeller:
a) Fit the lubricated washer and impeller screw.
b) Tighten the impeller screw.
For tightening torque, see Torque values (page 41).
c) Tighten it a further 1/8 turn (45°).
d) Remove the rod that is used to lock the impeller.
e) Fit the O-ring and flush valve cover and fasten it with screws.
For tightening torque, see Torque values (page 41).
f) Check that the impeller can rotate freely.
7. Check that the clearance between the impeller and the insert ring is 0.1–0.5 mm
(0.004–0.02 in).
Maintenance
Flygt 3202 Installation, Operation, and Maintenance Manual 53
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