Impeller areas to inspect
C
A
B
C
101
A. Shroud
B. Wear ring
C. Vane
Figure 60: 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.
124
130
Figure 61: Impeller locknut inspection
6.5 Preassembly inspections
84
3620 i-FRAME API type BB2 single stage / ISO 13709 2nd Ed/API 11th Ed Installation, Operation, and Maintenance
Manual
Содержание GOULDS PUMPS i-FRAME 3620
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