Remove packing (X) from motor (K). Throw packing away.
Hold impeller (Y) and using socket, remove nut (Z). Throw nut away.
Using 3/8 inch flat-tip screwdriver to hold center screw (hidden) at armature end of motor
( K ) , unscrew impeller (Y) from threaded shaft.
Remove shim washers (AA) and felt washer (AB). Throw washers away.
Go on to Sheet 4