MAINTENANCE OF THE M88A1 - OD1672 - LESSON 2/TASK 1
(2) Fuel Control Valves. A system of four manually-operated control
valves (figure 14) maintains fuel flow through the check valve and directs
the fuel to the engine and refueling systems. These valves are also used to
drain the fuel tanks.
FIGURE 14. FUEL CONTROL VALVES AND