TM 9-2320-209-34-2-3 FRAME 4 1. 2. 3. 4. 5. 6. NOTE Fuel flow test and adjustment should be done even on a new fuel control valve. Fuel control valve must be adjusted for use with different fuels. A stop watch or watch with a second hand is needed for this test. Hold fuel outlet (1) of fuel control valve (2) over overflow container (3). Be sure HI-LO switch (4) is in LO position. Flip control switch (5) to RUN position. Fuel pump should be pumping. Flip HI-LO switch (4) to HI. Let fuel flow into overflow container (3) for a few seconds. Let fuel flow into graduate (6) for exactly one minute. Flip HI-LO switch (4) to LO. Flip control switch (5) to OFF position. Place graduate (6) on a level surface. Read level of fuel (7) as shown. Level of fuel should be as in table for type of fuel used. Diesel Fuel FUEL TYPE Combat DFA DF1 DF2 Gasoline Flow Rate 14 to 18 14 to 18 15 to 19 15 to 19 (cc/mm) If fuel flow is not within range of table, get a new fuel control valve (2). GO TO FRAME 5 21-6