Weed Eater BC3150 - Manuals

7 8. Insert a small screwdriver into aligned holes. This will keep the shaft from turn- ing while tightening the blade nut. Screwdriver 9. TIghten blade nut firmly with a wrench while holding screwdriver in position. 10. Remove the screwdriver. 11. Turn blade by hand. If the blade binds against the ...

8 line and oil at a ratio of 40:1. A 40:1 ratio is ob- tained by mixing 3.2 ounces (95 ml) of oil with 1 gallon (4 liters) of unleaded gasoline. DO NOT USE automotive oil or marine oil. These oils will cause engine damage. When mixing fuel, follow instructions printed on container. Once oil is added...

9 NOTE: If engine dies with the choke lever in the OFF CHOKE position, move the choke lever to the HALF CHOKE position and pull the rope until engine runs, but no more than 6 pulls. Choke position decal STARTING A WARM ENGINE 1. Move ON/OFF switch to the ON position. 2. Move the choke lever to the H...

11 S WHEN BLADE THRUST OCCURS -- Blade Thrust can occur without warning if the blade snags, stalls, or binds. This is more likely to occur in areas where it is difficult to see the material being cut. By using the unit properly, the occurrence of blade thrust will be reduced and the operator will be...

12 CLEAN AIR FILTER A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation. 1. Clean the cover and the area around it to keep dirt from falling into the carburetor chamber when the cover is removed. 2. Rem...

13 Idle Speed Adjustment Allow engine to idle. Adjust speed until engine runs without trimmer head, blade or optional attachment moving or spinning (idle too fast) or stalling (idle speed too slow). S Turn idle speed screw clockwise to increase engine speed if engine stalls or dies. S Turn idle spee...