TM 5-4330-263-13&P
0003 00
Table 1. Filter/Separator Controls and Indicators
Item
Name
Description
1
Purge Valve
Manually operated valve that allows air trapped inside the filter/separator to be
released.
Indicates the difference in pressure between the inlet and outlet of the filter/separator in
2
Differential Pressure
Gauge
pounds per square inch differential (PSID). This is used as an indication of the
condition of the filter elements. Clean elements should generate between 2 and 4
PSID. The maximum allowable pressure differential is 15 PSID.
3
Sight Gauge
Indicates the water level in the filter sump.
4
Water Drain Valve
Ball valve that is used to drain water from the filter sump.
5
Fuel Drain Valve
Ball valve that is used to drain fuel from the vessel.
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