(3) Remove the eight metal screws from the blower inlet ring and
remove the blower inlet ring,
(4) Slide the impeller from the shaft.
Cleaning and Inspection.
(1) Clean the centrifugal fan impeller with cleaning fluid and
(2) Repair or replace a damaged fan impeller.
(1) Position the centrifugal fan impeller on the shaft and tight
set-screw on the flat of the motor.
(2) Install the blower inlet ring with the eight metal screws.
(3) Install the front panel (para 39).