TM 9-2350-247-20-1
ENGINE RUNS ROUGH, STALLS, OR DOES NOT PUT OUT FULL POWER
(M548A3)—Continued
0017 00
3BY
1. Insert hose into suitable container of at least one gallon (4 liter)
capacity.
2. Turn MASTER SWITCH ON.
3. Start and run engine at 1200 rpm for one minute (see your -10).
4. Stop engine (see your -10).
5. Did fuel flow at least 2/3 gallon (2.5 liters) per minute?
YES
NO
GO TO EY (PAGE 0017 00-10)
4BY
1. Problem was clogged fuel filters.
2. Verify no faults found.
CY
1. Submerge hose in fuel.
2. Turn MASTER SWITCH ON
3. Run fuel pumps for 30 seconds.
4. Turn MASTER SWITCH OFF.
5. Are air bubbles appearing on the surface of the fuel?
YES
NO
GO TO FY (PAGE 0017 00-8)
2CY
1. Air leak in suction side of fuel system.
2. Tighten all connections from the fuel tank (1) to electric fuel
pumps (2).
3. Verify no faults found.
0017 00-7
