Casing areas to inspect
The arrows point to the areas to inspect for wear on the casing:
Figure 34: Areas to inspect on the casing
Impeller replacement
This table shows the criteria for replacing the impeller:
Impeller parts When to replace
Impeller vanes
•
When grooved deeper than 1.6 mm | 1/16 in., or
•
When worn evenly more than 0.8 mm | 1/32 in.
Pumpout vanes When worn or bent more than 0.8 mm | 1/32 in.
Vane edges
When you see cracks, pitting, or corrosion damage
Frame adapter check and replacement
•
Replace the frame adapter if it has cracks or excessive corrosion damage.
•
Make sure the O-ring surface is clean.
Oil seal replacement
Replace the oil seal if it has cuts or cracks.
6.7 Pre-assembly inspections
Model ICO i-FRAME, ICOH i-FRAME Installation, Operation, and Maintenance Manual
77
