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Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_152
Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_154

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 b.   Adjust   R.O.   PRESSURE   to   960   psig   for   seawater   feed   or   500   psig   for fresh/brackish water feed. Collect a sample of product water in a clean container and measure TDS with TDS meter (para. 2–32). Record value. c.    Open  REGULATE  PRODUCT  WATER  valve  fully.  Product  water  flow  should decrease to zero. d.    If  sample  valves  are  available  (Model  No.  600-3),  use  them  to  collect  sample product water from each vessel. If sample valves are not available (Model No. 600-1 ), use the following procedures: Take care when removing hoses from product water manifold. Water is under pressure and will discharge rapidly. (1) (2) (3) (4) Remove R.O. VESSEL 1 (top vessel) product water hose from product water manifold  (vertical  pipe  with  VENT  PRODUCT  WATER  valve  at  top)  by disconnecting camlock fitting. Install male plug camlock fitting in product water manifold in place of R.O. Vessel 1 hose camlock fitting. Remove threaded plug from end of product water stub tube at Vessel 1 front end cap (vessel end nearest drain valves). Slowly close REGULATE PRODUCT WATER valve until R.O. PRESSURE gage reads 800 (or 500 or brackish water) psig. Product water should flow from both ends of Vessel 1. e.   Using clean containers, collect a sample of product water from each end of R.O. Vessel 1. Be sure to rinse each container twice with sample water before collecting sample. Mark container appropriately as front or rear. f.    Open  REGULATE  PRODUCT  WATER  valve  fully.  Product  water  flow  should decrease to zero at product water flow meter and Vessel 1 stub tubes. g.  Measure TDS of each product water sample using the TDS meter (para. 2-32). h.  Based on the TDS measurements of the collected samples, one of the following four conditions can exist: 3-15







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