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Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_145
Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_147

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  08580  A-10/1 Table   3-2.    Troubleshooting   (ROWPU)    (continued) MALFUNCTION TEST   OR   INSPECTION CORRECTIVE   ACTION b.  Make  a  chart  like  the  following: R.O.   Vessel FLOW   (gpm) 1 (Top) 4 2 3 3 2 4  (Bottom) 1 c.  Examine  your  chart  for  a  similar  pattern,  Flow  should  get  smaller  from  top  to bottom. (1) If any R.O. vessel does not follow this pattern, disassemble that vessel and replace defective items (para. 3-4). (2) If all vessels follow this pattern, notify unit maintenance to check for defective PRODUCT  FLOW  indicator. 6. R-O.  PRESSURE  PSIG  GOES  ABOVE  960  PSI  IN  SALTWATER  OPERATION,  500  IN  FRESH OR   BRACKISH   WATER   OPERATION. Step 1. Check TDS of product water (para. 2-32c(4)). a. If TDS over 1500 ppm, shut down ROWPU in normal manner (para. 2-29) and clean R.O. elements (para. 2–28). b. If TDS below or at 1500 ppm, notify unit maintenance of possible defective gage. 7. BACKWASH   PUMP   RUNS   CONTINUOUSLY. Step 1. Check position of R.O. ELEMENT CLEANING switch. Switch must be off except during R.O. element cleaning. Turn ELEMENT CLEANING switch to OFF position. Step 2. Notify unit maintenance to troubleshoot BACKWASH TIMER and its electrical wires. 3-8







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