3. At the control panel, set the ON/OFF switch (figure 3, item 1) to the OFF position. No self-test will be
performed. The alarm light (figure 4, item 1) will not illuminate and the audible alarm (figure 4, item 2) will not
4. Start the desired fuel transfer pump (TM 55-1925-273-10) to begin transferring fuel.
5. Observe the readings on the inlet pressure gauge (figure 4, item 3) and discharge pressure gauge (figure 4,
item 4). If the differential pressure between these gauges exceeds 10 PSI (0.7 bar) or 10 inHg (254 mmHg),
secure from fuel transfer and change the filters (WP 0013 00). If it is necessary to transfer fuel while
changing the filters, bypass the fuel filter/water separator to permit continued transfer of fuel. The bypass
procedure is contained at the beginning of this work package.
The sump drain interval will vary depending upon the level of contamination present in
the fuel. The initial sump drain interval should be every 15 minutes. This interval may
be adjusted depending upon the level of water and particulates present when the sump
6. Periodically shut down the fuel filter/water separator as described in the paragraph below. After shutdown,
7. Continue operation of the fuel filter/water separator until fuel transfer is complete or until the differential
pressure readings exceed the value given in step 5 above. When fuel transfer is complete, shut down the
fuel filter/water separator as described in the paragraph below.
Figure 3. Control Panel