TM 55-1930-209-14&P-5 Table 4-1. Drinking Water System Troubleshooting (continued) Problem Probable Cause Suggested Action 5.  Drinking water flow a.  Discharge pump a.  Troubleshoot dis- rate too high or too malfunctioning charge pump as given low as indicated by in problem 7 below system status page on monitoring system blow sensor b.  Troubleshoot flow malfunctioning sensor (Tracor Marcon Drawing no 23235 rev A in Appendix B) c.  Monitoring system c.  Troubleshoot monitor- malfunctioning Ing system TM 55-1930-209-14&P-11) d.  Valve in discharge d.  Open valves line closed e.  Leak In discharge e.  Check and repair line or hose Is discharge line damaged 6.  Water not being a.  Valve(s) DW6, 7, 8, a.  Open valve(s) discharged from or 9 closed storage tank(s) 1, (Figure 1-2) 2, 3, or 4 with discharge pump b.  Valve DW12 (all barges) b.  Open valve motor operating or DW18 (Barges 2 and 3) closed c.  Valve DW14 closed c.  Open valve d.  Discharge pump d.  Troubleshoot dis- malfunctioning charge pump (Aurora Pumps Instruction Manual in Appendix B) 7.  Discharge pump not a.  Circuit breaker P9 a.  Close appropriate operating (discharge pump 1) circuit breaker or circuit breaker P15 (discharge pump 2) open (OFF) b.  Motor controller main b.  Turn switch ON switch OFF c.  Motor controller HAND/ c.  Position switch to OFF/AUTO not set in HAND (local control) proper position or AUTO (continuous use) d.  Motor controller mal- d.  Troubleshoot motor functioning controller and Its thermal unit and fuse e.  Level switches mal- e.  Troubleshoot level functioning switches (Transamerica DeLavel Instructions In Appendix B). Check orientation of switches (Drawing no 87707) f.  Discharge pump motor f.  Troubleshoot pump not operating (Aurora Pumps Instructions Manual in Appendix B) 4-3