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Figure   2-33.   Tubes   Attached   to   Chemical   Feed   Pump
PREPARATION FOR OPERATION - cont

TM-10-4610-215-10 Water Purification Unit Reverse Osmosis 600 GPH Trailer Mounted Flatbed Cargo 5 Ton 4 Wheel Tandem Rowpu Model 600-1 Manual
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TM 10-4610-215-10 TM  08580A-10/1 Chemicals used for operating ROWPU can kill you. The chemicals alone or in mixture can be dangerous. ALWAYS wear protective clothing and make sure area is well ventilated. CAUTION Use  only  chlorine-free  water  for  mixing  to  prevent  damage  to  ROWPU membranes. If this is the first time the ROWPU is being started, use raw water to mix chemicals. If you are restarting the unit, use brine from storage tank. v. Mix polymer chemical: (1) Fill 107 ml measure HALF-FULL with liquid polymer chemical (there is no half-full mark on measure). (2)  Pour  liquid  chemical  into  POLYMER  pail. (3) Add brine (if available) or raw water up to the 3-gallon mark. (4) Stir with wooden paddle for one minute (or longer), until  all chemical  is  disolved. (5) (Model 600-1 ) Leave POLYMER in the pail and place both tubes (from POLYMER valve and pump) into the pail. (6)  (Model  600-3)  Pour  solution  into  5-gallon  container  marked  POLYMER. w.   Mix   Chlorine   Solution: (1)  Pour  3  gallons  of  brine  into  unmarked  pail. (2)  Fill  CALCIUM  HYPOCHLORITE  measure  with  0.2  pounds  (91  grams)  of  calcium hypochlorite. Mark one pail for chlorine use only. DO NOT use for other chemicals. (3)  Pour  calcium  hypochlorite  into  pail  marked  CHLORINE. (4) Pour brine (if available) or raw water from unmarked pail into CHLORINE pail. (5) Stir with wooden paddle for 1 minute (or longer), until  all chemical  is  disolved. NOTE Mixing calcium hypochlorite with water produces a chlorine solution. It is normal to see white particles in the solution. (6) (Model 600-1 ) Leave CHLORINE in the pail and place both tubes (from CHLORINE valve and pump) into the pail. 2-46 Change 1







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