TM 55-1925-283-12&P
0004 00
Table 1. Fuel Filter/Water Separator (refer to figure 1) (continued)
Key
Control/Indicator
Function
6
FO-42 F.O. FLTR / WATER
When OPEN, this valve permits fuel to bypass the fuel filter/water
SEP BYPASS COV
separator.
7
Water Sensor Probe
This probe senses the water level in the sump and triggers the alarm
when the water level exceeds the safe operating level.
8
Drain Valve
This valve permits water and particulates to be drained from the sump
area.
9
FO-16 F.O. FLTR / WATER
This valve secures the fuel entering the fuel filter/water separator.
SEP INLET COV
10
Alarm Indicator
This indicator illuminates red and sounds an audible signal when the
water sensor probe (figure 1, item 7) detects an unsafe water level in
the sump.
11
Inlet Pressure Gauge
This gauge indicates the pressure or vacuum present on the inlet
side of the fuel filter/water separator.
0004 00-2
