ITT 3610 i-FRAME Manual page 88

6.5 Preassembly inspections
Impeller areas to inspect
A. Shroud
B. Wear ring
C. Vane
Figure 63: Impeller inspection
Oil ring replacement
Oil rings must be as round as possible in order to function properly. Replace oil rings if they are worn,
distorted, or damaged beyond reasonable repair.
Impeller locknut areas to inspect
Locknut surfaces must be smooth and free of grooves and scratches, especially in the areas indicated by
arrows in the figure. Also check the outside diameter of the locknuts.
Figure 64: Impeller locknut inspection
86 3610 i-FRAME API 610 11th Ed/ISO 13709 2nd Ed, API Type BB1 Single-Stage, Axially-Split, Between-Bearing IOM
C
A
B
C
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