TM 9-2320-269-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - CONTINUED
RUNS UNEVENLY - SURGES, STALLS, OR NO POWER
Step 1. Check for engine overheating (TM 9-2320-269-10).
Step 2. Check for engine being overcooled (TM 9-2320-269-10).
Step 3. Inspect air inlet (1) and air cleaner (2) for blockage or damage.
a. Remove air cleaner (2) (page 2-152).
b. If air inlet (1) or hose (3) is blocked or damaged, clean or replace as needed.
c. If air cleaner (2), element (4), or base screens (5) are blocked or damaged,
clean or replace as needed.
d. Install air cleaner (2) (page 2-152).
Step 4. Test fuel system for pressure.
a. Remove vent plug (6) from secondary filter (7), and install fuel pressure gage
using 9/16-inch and 5/8-inch wrenches.
b. Have assistant crank engine and check gage reading.
TA228592
2-66
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