TM10-3930-660-20 Table 2-3. Mechanical Troubleshooting (Cont’d) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 3. Check  for  partially  engaged  manual  fuel  shutoff  valve  lever. Check position of manual fuel shutoff valve lever. Be sure lever is placed in “ON” position. Step 4. Check for inadequate fuel supply. Check for and remove the source of fuel restriction, para. 5-11 and 5-16. 9. LOW POWER Step 1. Check for fuel control lever not moving to full speed. Adjust accelerator cable if necessary, para. 5-21. Step 2. Check for partially engaged manual fuel shutoff valve lever. Verify that manual fuel shutoff valve lever is positioned fully in “ON” position. Step 3. Check for high oil level. Check for high oil level and drain oil if necessary, para. 4-3. 2-31