FNM
®
HPE Series 87
3. Remove the impeller with the appropriate puller. Mark the impeller with a pen on the side at
sighttorepositionit(onlyifitisn’tdamaged)inthesameway.
4. If the impeller is too worn, provide for replacement.
5. When using a new impeller, lubricate it with silicon spray grease before mounting it.
Figure 36 - Lubrication of the impeller
6. Install the new impeller on the grooved shaft.
7. Re-close the pump cap and replace the seal gasket if possible.
8. Open the sea water intake valve.
9. Restart the engine and check for any leaks.