Goulds Pumps 3311 - IOM - Manual (Page 13)

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4.5 Preservation
Usually, only iron pumps are preserved.
4.5.1 Removal of preservation
To remove the preservative coating, the pump should be
filled and drained several times using appropriate agents,
e.g. solvent naphta, diesel oil, or an alkaline detergent.
Flush with water, if necessary.
The pump must be installed and put into operation
immediately afterwards.
4.5.2 Re-preservation
If the pump has been supplied preserved and is to be
stored, a new preservative coating should be applied after
six months.
For suitable preservatives, contact Goulds Pumps.