TM 5-4520-256-14
2-6. ASSEMBLY AND PREPARATION FOR USE - Continued.
f. Fuel Tank Selection. (Refer to Figure 2-6).
(1) If fuel is to be drawn from an external source:
(a) Connect external fuel source to external fuel tank connection (3).
(b) Set INTERNAL TANK/EXTERNAL TANK selection switch (1) to EXTERNAL TANK.
(2) If fuel is to be drawn from the internal tank:
(a) Check fuel gage (2) and refuel as required.
(b) Set INTERNAL TANK/EXTERNAL TANK selection switch (1) to INTERNAL TANK.
Figure 2-6. Tank Selection.
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