Thread: Oil Change Pump
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Old 01-25-2017, 08:09 AM   #1
Gordon J
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City: Italy
Vessel Name: Didi Mau
Vessel Model: Currently looking for next boat
Join Date: Jul 2015
Posts: 1,081
Oil Change Pump

The previous owner of my boat installed oil change pumps for both generators, engines and transmissions. I changed generator and engine oils yesterday using five-gallon pails of oil. The cummins 330s take 15 quarts each.

My question is how do those of you with such a setup get the right amount of oil pumped back into the engine. Because the fresh oil is cold, it takes some time to pump back 15 quarts and the five gallon pails are not marked.

I have learned that I can shine a flashlight into the pail and watch the liquid level drop, but the pails being unmarked, I am still guessing. I have thought of measuring with a ruler the fluid level and devising some fluid level marks for quarts or gallons, but was thinking there might be an easier way that I have not thought of.

thanks in advance.
Gordon
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