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Table   3-2.   Troubleshooting   (ROWPU)
Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_145

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 Table   3-2.   Troubleshooting  (ROWPU)    (continued) MALFUNCTION TEST   OR   INSPECTION CORRECTIVE   ACTION a. If water is turbid, shut down ROWPU in normal manner (para. 2–29) and change cartridge filter elements (para. 3–5). b. If water is clear, notify unit maintenance because gage may be defective. 4. REDUCED   PRODUCT   WATER   FLOW;   R.O.   PRESSURE SALTWATER,   500   FOR   FRESH   AND   BRACKISH   WATER. NOTE PSI   ADJUSTED   TO   960   FOR ROWPU  produces  less  product  water  when  raw  water  source  temperature drops (3 %. less per degree Celsius drop). Step 1. Check R.O. vessels for leaks caused by loose end caps or defective end cap O-rings. a.  Tighten  loose  nuts  (para.  3-4h(15)). b.  Replace  defective  end  cap  O-rings  (see  para.  3-4c  –  elements  need  not  be replaced). Step 2. Check R.O. vessel gage for reading higher than 100 psid. NOTE Membrane scaling may cause reduced product water flow without increasing R.O. vessel pressure. Cleaning elements when vessel pressure is under 100 psid may improve flow. a.  Clean  R.O.  elements  (para.  2–28). 5. PRODUCT   WATER   FLOW   READING   RISES   ABOVE   16   GPM   (FRESH/   BRACKISH),   12 (SEAWATER)  AND  CANNOT  BE  LOWERED  USING  REGULATE  PRODUCT  FLOW  VALVE. Step 1. Check the TDS of product water from each R.O. vessel as follows: a.  (Model  600-3)  -  Use  sample  valves  to  collect  product  water  sample.  Do  NOT disconnect product water hoses. b. (Model 600–1) – Sample valves are not available. 3-6







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