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Best way to remove and clean cutting oil from sump

Whetstone

Cast Iron
Joined
Mar 27, 2011
Location
Providence RI
I just bought a horizontal mill and want the replace the cutting oil (which smells like motor oil) with a water based coolant. I can use the pump and a vacuum to remove most of the oil from the reservoir, but what is the best way to clean the sump and lines in preparation for coolant? Fill the sump with a solvent and run it through the system? If so, what solvent? Are there other options?
 

DDoug

Diamond
Joined
Oct 18, 2005
Location
NW Pa
Try diesel fuel or kero as a solvent, nothing stronger/more flamable.

Afterwards, the off the shelf alkaline cleaner should remove the solvent.
 

andrewmawson

Hot Rolled
Joined
Jan 9, 2003
Location
UK
When I've cleaned 'orrid coolant tanks I've always used sawdust - pile it in, stir it around to absorb the oil and water, and then vacuum it out. Obviously taking care to avoid pipe lines etc.
 








 
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