(2) Measure from the face of the impeller to the face of the wear plate with feeler gauge. Clearance should
be 0.010 to 0.015 inch (0.254 to 0.381 mm).
(3) Shim (4) is 0.010 inch (0.254mm) thick and shim (5) is 0.005 inch (0.127 mm) thick. Add any combina-
tion of shims to obtain proper clearance.
After proper clearance is obtained, use strap wrench to hold shaft and tighten impeller locking bolt (1).