4.2Finishing Up
1.Once the oils have been removed from the tank being skimmed, disconnect the intake hose from the intake attachment via the quick connection.
2.Before shutting off the pump, lift the intake hose out of the tank for about 10 seconds. This will ensure that no liquid is still in the intake line.
3.Shut the pump off by adjusting the regulator. NOTE: See Section 4.3 for details on empty- ing the tank, if necessary, before proceeding further.
4.Disconnect your air line from the air intake fit- ting.
5.Remove the return line from the tank being skimmed by lifting it near its connection to the coalescing tank to free it of liquid.
4.3Emptying the Coalescing Tank
1.Open waste water ball valve to manually drain any wastewater to your waste container, then close (refer to flow schematic in Section 3.2).
2.Tilt, in an upward position, the prefilter and ultra- filter housings.
3.Close ball valve for the oil ultrafiltration line (refer to flow schematic in Section 3.2).
4.Open ball valve for oils to be emptied from tank (refer to flow schematic in Section 3.2).
5.Place the oil return line into your preferred oil holding vessel. Make sure that it can hold the re- maining amount of oil left in the coalescing tank. CAUTION: Fluid is returned under pressure.
6.Adjust the air regulator of the pump to 10psi.
4.4Storing the System
It is recommended to empty the coalescing tank before storing the system for more than 1 or 2 days. Holding liq- uid in the tank can contribute to bacterial contamination of the coalescer, and thus your equipment. We recom- mend utilizing an Oxygenator™ when storing fluids in the coalescing tank to minimize bacterial growth.
4.5Cleaning the System
1.Empty and clear the coalescing tank and both hoses of all fluids (refer to Section 4.3)
2.Discard the cellulose ultrafilter.
3.Mix a 10% solution of a mild degreasing agent, such as Red Thunder™, provided, to clean the coalescing tank and stainless steel prefilter. A pressure washer works well, or just clean by hand with the brush, provided.
4.Rinse thoroughly with straight water.
5.Dispose of wash and rinse baths in accordance to federal, state, and local environmental laws and regulations.
6.Replace filters, making sure
7.
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