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AFL INDUSTRIES,INC. <br /> RIVIERA BEACH,FLORIDA <br /> SERVICE INSTALLATION,OPERATION PAGE 2 OF 2 <br /> MANUAL &MAINTENANCE INSTRUCTIONS <br /> PRODUCT DELTA-TUBE AND DIFFUSION BAFFLES <br /> CLEANING DELTA-TUBES <br /> A good indication that the Delta-Tube modules need cleaning is either a decrease in effluent quality,provided the unit is <br /> operated at design flows,or a drastic increase in the water level in the separation chamber,also at the design flow condition. <br /> For proper cleaning,the tube modules should be removed and each module separately steam cleaned or pressure washed. <br /> NOTE:When pressure washing,use biodegradable cleaning detergents suitable for grease and oil. <br /> SPARE PARTS <br /> Minimum 50%of Delta-Tubes furnished on an application. <br /> SUPERSEDES: I-O-M:2.25 <br />