Table 4-3. Unit Troubleshooting Procedures CONT.
Test or inspection
ENGINE WILL NOT START (CONT).
Check visible fuel tube (4) between carburetor box (5) and fuel tank (1). Pull starter several times
to see if fuel becomes visible in the hose.
If no fuel is visible check for plugged fuel tube and replace (para 4-19) or clear tube as
If fuel tube is ok but fuel is still not visible, go to step 7.
Check for excessive fuel/flooding conditions (para 2-9c).
Flooding conditions are indicated by black smoke or raw fuel running from exhaust pipe.
Close fuel knob and pull starter repeatedly until engine starts.
If engine does not start go to step 8.
If flooding condition persists, go to step 10.