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Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_149
Table   3-2.   Troubleshooting  (ROWPU)    (continued) - TM-10-4610-215-10_151

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   10-4610-215-1O TM   08580A-10/1 Table   3-2.   Troubleshooting   (ROWPU)   (continued) MALFUNCTION TEST   OR   INSPECTION CORRECTIVE   ACTION b. If raw water flow is normal, go to step 4. Step 4. Check to see if MULTIMEDIA FILTER gage has risen 5 psid over reading at startup. a.  If  yes,  backwash  multimedia  filter  (para.  2-26). b. If no, go to step 5. Step 5. Make turbidity test of water taken from DRAIN NO. 1 CARTRIDGE FILTER valve (fig. 2-36). a. If water is turbid, shut down ROWPU in normal manner (para. 2–31) and change cartridge filter elements (para. 3-5). b. If water is clear, notify unit maintenance. 12.   R.O.   PUMP   SHUTS   DOWN   AUTOMATICALLY;   R.O.   PUMP   HIGH   PRESSURE   LAMP   GOES ON. CAUTION If HIGH PRESSURE RELIEF VALVE did not activate before R.O. PUMP HIGH PRESSURE switch, notify unit maintenance. Step 1. Check to see if R.O. PRESSURE PSI gage is over 1150 psi. a. Clean R.O. elements (para. 2–29) then attempt to restart R.O. pump. b.  If  R.O.  PUMP  RESET  switch  does  not  turn  off  R.O.  PUMP  HIGH  PRESSURE lamp, there may be a defective switch. Notify unit maintenance. 13.  BACKWASH  PUMP  DOES  NOT  START  WITHIN  5  MINUTES  FROM  THE  TIME  THE  START BACKWASH  SWITCH  IS  SET  TO  START  (MECHANICAL  TIMER  -  MODEL  NO.  600-1). Step 1. Check that the timer recharge knob is in the idle position (fig. 2–71). Rotate clockwise to the idle position as required. Step 2. Push  START  BACKWASH  switch  (33,  fig.  2-4)  up  to  START  position.  Inspect  timer recharge lever to see if the lever has been pulled to the right to rotate the recharge knob (fig.  2-71). Manually push lever to the right as required. 3-12







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