Impeller and wear plates
Check that measurements on the pump do not differ
greatly from the following ones.A difference would
imply reduced capacity and hydraulic efficienty as
well as stalling the engine because of friction on the
fixed part of the pump casing.
Minimum space. (A) Tab. 9 (mm 0,3 max 1,5)
Minimum space (B) Tab. 9 (mm 0,7 max 2)
12
8
9
Replacing front and rear wear plate
Remove all screws (Tab.7, part.1), pull out the wear
plate (Tab.7, part.2).
For reassembly, work in reverse and make sure that
seat is perfectly clean (Tab. 8, part.3).
