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Xylem IM200 R01 ADDENDUM Revision to Impeller Assembly Process NPE – IM013 User Manual

Addendum

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Subject:

Revision to Impeller Assembly Process

Effective August, 2006
To Be Used With Model and IOM Form Number:

NPE – IM013

ADDENDUM

Installation, Operation and Maintenance Instructions

DISASSEMBLY: To remove impeller, apply localized heat to the impeller hub to a

temperature between 150oC - 250oC. Heat Impeller hub for 1-3 minutes. This will

decrease the breakloose strength of the Loctite 271 and allow for easy removal.

ASSEMBLY: To install impeller clean shaft thoroughly with denatured alcohol let dry.

Apply Loctite 7649 primer to shaft, impeller threads and allow 3-5 minutes to dry.

Apply 3 drops of Loctite 271 high strength threadlocker to shaft threads and 2 drops to

the impeller threads. Tighten impeller and jam nut to 144 lb-in or 12 lb-ft. Allow
impeller to cure for 30 minutes before testing or running.

INSTRUCTION MANUAL

IM200