Xylem IM197 R01 ADDENDUM Revision to Impeller Assembly Process NPE – IM013 MCC – IM060 MCS – IM052 - Manual

Subject:
Revision to Impeller Assembly Process
Effective August, 2006
To Be Used With Model and IOM Form Number:
NPE – IM013
MCC – IM060
MCS – IM052
ADDENDUM
Installation, Operation and Maintenance Instructions
DISASSEMBLY: To remove impeller, apply localized heat to the impeller hub to a tem-
perature between 150oC - 250oC if needed. Heat Impeller hub for 1-3 minutes. This
will decrease the breakloose strength of the Loctite 243 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. Ap-
ply 3 drops of Loctite 243 medium strength threadlocker to shaft threads and 2 drops
to the impeller threads. Tighten impeller to 144 lb-in or 12 lb-ft. No Jam nut needed.
Allow impeller to cure for 30 minutes before testing or running.
INSTRUCTION MANUAL
IM197