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AFL INDUSTRIES,INC. <br /> RIVIERA BEACH,FLORIDA <br /> SERVICE TROUBLESHOOTING GUIDE PAGE 2 OF 3 <br /> MANUAL <br /> PRODUCT: OIL-WATER SEPARATORS <br /> C. FOAMING <br /> Cause Remedy, <br /> 1. Cleaners/surfactants <br /> a. Batch dump Flush system. Determine recurrence probability. <br /> A commercial anti-foam may be needed. <br /> b. Process change Return to former products. Low-foaming substitutes <br /> may be possible. If not,an anti-foam may be required. <br /> 2. Air in piping <br /> a. Pumps drawing air Raise liquid level,reduce flow. <br /> b. Opening/leak in piping Seal leak/hole. <br /> D. SOLIDS IN EFFLUENT <br /> Cause Remedy <br /> 1. Sludge build-up beyond Clean tank compartments,remove sludge. <br /> recommended level <br /> a. Manual removal Increase maintenance frequency. <br /> b. Pump-out package Check for correct operation of level sensors, timers, <br /> pumps,piping. Increase draw-off rate if necessary. <br /> 2. Solids not settling <br /> a. Excessive flow and decreased Reduce flow rate. <br /> retention time <br /> SUPERSEDES I-O-M: 2.00-3 <br />