TM 10-4930-351-14
0007 00
OPERATING PROCEDURES (Continued)
(4) Use tweezers (12) to hold the test pad. Following the instructions under the front cover of the color rating
booklet (16), determine the rating of the sample.
(5) Report the nearest rating number and the sample volume used.
u.
Replace the protective plugs in the monitor (20). Handle the monitor (20) carefully. DO NOT open the monitor (20)
under any circumstances before returning it to the laboratory. If the monitor (20) is opened in the field, it can not be
used for gravimetric analysis.
v.
Place the monitor (20) in a suitable container and record the following information:
Date
Monitor Serial Number
Sample location and volume of sample
Line pressure and flow rate
w. Forward the monitor (20) to the appropriate laboratory for analysis as soon as possible.
x.
Fill solvent dispenser bottle (19) from ether storage bottle (21). Drain and disassemble the monitor housing
assembly (23) and flush with ether. Pour any unused ether into ether storage bottle (21).
y.
Wipe all components with a clean paper towel. Return all items to the fuel contamination test kit.
14. Periodically monitor condition of the fuel transfer pump discharge hose. A flattened hose indicates a loss of prime. If
hose remains flat for two minutes or more, shut down the system and determine why pump has lost prime. The most
likely cause is a large air bubble in a fuel drum(s).
15. Periodically monitor differential pressure gauge on liquid fuel filter-separator. Normal reading with clean elements is 2-
3 psid (1.41-2.11 gm/mm2 differential) when operating at full flow. Lower flow rates will cause element clogging at
lower differential pressures. If differential pressure approaches 15 psid, notify unit maintenance that coalescer elements
need to be replaced.
16. Periodically monitor the water level sight gauge on the liquid fuel filter-separator. The small ball should be afloat at all
times. If the ball reaches the top of the sight gauge, the water in the sump has risen to the highest level that can be
monitored. As soon as possible, isolate the filter-separator by closing the inlet and outlet valves, vent pressure by
opening the manual vent valve and drain the sump until all water has been drained.
CAUTION
System components are subject to damage from thermal expansion. As the temperature
increases, the pumpage in any component will expand. If trapped in a component, the
expanding pumpage may rupture seals and cause a leak or equipment malfunction. For this
reason, all system valves should remain open as long as the system is flooded. With all valves
open, the hoses will absorb the expansion and protect system seals. If any component must
be isolated, it should be drained or defueled immediately to prevent damage.
17. To change from use of a CCR nozzle to a D-1 nozzle during refueling operations:
a.
Close the discharge hose unisex coupling valve at the CCR inlet. Remove CCR nozzle from the hose.
b.
Drain the CCR nozzle IAW local SOP.
c.
Disconnect the CCR nozzle.
0007 00-24
