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Clean off any loose plastic that
would interfere with your diam-
eter measurements.
Trim this layer at a slow speed.
Use the caliper to measure the
current diameter.
Set the lathe for 1/4” less then the
current diameter measurement.
Loosen the jaws and remove the
impeller.
Remove the trimming sleeve and
trim any remaining loose plastic
with the X-acto knife.
Chamfer a small amount off the
left edge.
Chamfer the right edge of the im-
peller a small amount.
Page 25
Section L - Impeller Repair (Impeller Trimming)
Repeat the proceeding four steps
until you reach the desired diam-
eter.