TM 55-1930-209-14&P-4
(1)
Make sure power panel 1 circuit breaker 1 OP5 is open (OFF). Redtag circuit breaker with: -WARNING
DO NOT ACTIVATE. REPAIRS BEING MADE."
(2)
Tag and disconnect wires to sensor.
(3)
Disconnect piping from sensor and remove sensor.
b.
Installation.
(1)
Install sensor and connect piping.
(2)
Connect wires to sensor as tagged.
(3)
Energize sensor by closing power panel 1 circuit breaker 10P5. Remove red tag.
(4)
Recalibrate sensor as given in Xertex Corp. Instruction Manual in Appendix B.
4-7.1.12 Portable eyewash
4-7.1.12.1 Cleaning and inspection
a.
Wipe clean outside with clean cloth moistened in hot water.
b.
Visually check for damage. Add fresh water if needed. Change water weekly.
4-7.1.12.2 Replace.
a.
Removal. Remove portable eyewash from mounting.
b.
Installation.
(1)
Install portable eyewash on bulkhead mounting.
(2)
Fill with drinking water.
(3)
Check operation.
4-7.1.13 Flow switch
4-7.1.13.1 Cleaning and inspection
a.
Wipe clean with clean cloth moistened in hot soapy water.
b.
Visually inspect for leaks, loose wire connections, or damage. Tighten connections. Replace damaged switch.
Remove paddle and check for buildup or deterioration. Clean or replace paddle if necessary.
4-7.1.13.2 Repair. The only repair required is replacement of the flow switch paddle.
WARNING
Make sure metering pump motor controller is electrically dead before starting removal.
a.
Make sure power panel 1 circuit breaker 1 OP5 is open (OFF). Redtag circuit breaker with: 'WARNING - DO
NOT ACTIVATE. REPAIRS BEING MADE."
b.
Turn metering pump motor controller AUTO/OFF/MAN to OFF.
c.
Unscrew flow switch.
d.
Remove flow switch.
e.
Remove paddle and install new paddle.
f.
Reinstall flow switch.
g.
Energize metering pump motor controller by closing power panel 1 circuit breaker 1 0P5. Remove red tag.
h.
When product water from ROWPU is flowing to drinking water tanks, make sure flow switchstarts and stops
metering pump when metering pump motor controller AUTO/OFF/MAN switch is in AUTO.
i.
Record completion of this repair in maintenance logbook.
4-13
