TM 55-1930-209-14&P-5
Section IV. Maintenance procedures
4-6.
General. Maintenance for this system consists of lubncating, disassembling, repairing, and/or replacing and
reassembling components using repair parts listed In Appendix G In TM 55-1930-209-14&P-18 No special tools are
required
4-6.1.
General maintenance practices. When performing maintenance, be sure to observe procedures In
manufacturers' manuals/instructions and these approved general shop practices:
a.
Always use new seals and gaskets before reassembling components disassembled for repair. Be sure to use
only new seals and gaskets identical to original. Install them carefully so as not to damage seals and gaskets
during assembly
Table 4-1. Drinking Water System Troubleshooting
Problem
Probable Cause
Suggested Action
1. Water not flowing
a. Valve(s) DW1, 2, 3,
a. Open valve(s)
into storage tanks
or 4 closed (Figures 1-2
and 1-3)
b. ROWPU(s) not in opera-
b. Start up or trouble-
tion, or malfunctioning
shoot ROWPU system
(TM 55-1930-209-14&P-3)
2. Chlorine content In
a. Chlorination system
a. Stop discharge pump 1
drinking water not
malfunctioning
or 2, ROWPU system,
acceptable
including seawater pumps
1 and 2; and chlorination
system Troubleshoot
chlorination system
(TM 55-1930-209-14&P-4)
3. Drinking water salin-
a. ROWPU's
a. Troubleshoot ROWPU's
Ity level not accept-
malfunctioning
(TM 55-1930-209-14&P-3)
able as indicated by
EMS video monitor
EMS video monitor
SALINITY display page
b. Salinity sensor
b. Troubleshoot salinity
malfunctioning
sensor (Tracor Marcon
Drawing No 23236 In
Appendix B)
c. Monitoring system
c. Troubleshoot monitor-
malfunctioning
Ing system
(TM 55-1930-,209-14&P-1 1)
4. Drinking water pres-
a. Discharge pump
a. Troubleshoot discharge pump
sure too high or too
malfunctioning
as given in problem 7 below
low as indicated by
system status page
b. Pressure sensor
b. Troubleshoot pressure
on monitoring system
malfunctioning
sensor (Tracor Marcon
Drawing no. 22723 rev D 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
4-2
