Assessments - 3, GPA: 4
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Facilidade de uso
. Remove blade and blade nut according to Replacing the Blade. . Use a flat head screwdriver to remove screws from ring washer and blade guard. Remove ring washer and blade guard. . Use a T25 Torx key, remove the screws from the belt cover. Remove the belt cover. . Using M10 and M8 wrenches, remove hex nuts and bolts gear/shaft assembly. Remove gear/shaft assembly. . Replace belt. . Reassemble in reverse order. Tighten all hardware securely. WARNING: Ensure all components are completely and properly reassembled before operating edger. Failure to correctly reassemble all belt components may result in serious injury or property damage. ADJUSTING CAMSHAFT-TO-ROCKER ARM CLEARANCE See Figures 18 - 20. Inspect the camshaft-to-rocker arm clearance after every 25 hours of operation. This should be done in a clean, dust- free environment. NOTE: This procedure requires partial disassembly of the engine. If you are unsure if you are qualified to perform this operation, take the unit to an authorized service center. . Stop the engine and disconnect the spark plug wire. Allow the engine to cool completely before proceeding. . Remove the screw from the top engine cover. Remove engine cover and set aside. . Using a Torx screwdriver, remove the screw from the rocker arm cover. Remove the cover and set aside. . Position camshaft by pulling the recoil starter grip just until the deep hole in the camshaft gear is located at the 6 o’clock position as shown. . Place the feeler gauge under each rocker arm and measure the gap. The gap should be between .006 in. (0.15 mm) and .008 in. (0.20 mm) for both rocker arms. NOTE: Use a standard automotive feeler gauge. The .006 in. (0.15 mm) feeler gauge should slide between the rocker arm and valve stem with a slight amount of resistance but without binding. The 0.008 in. (0.20 mm) MAINTENANCE feeler gage should not slide between the rocker arms and the cam lobes — it should be held tight. . If the valve clearance is not between .006 in. (0.15 mm) and .008 in. (0.20 mm), the clearance should be adjusted as follows: . While holding a wrench on the flats of the adjusting nut with one hand, loosen the retaining nut with a second wrench as shown. Take care not to loosen the stud. . Rotate the adjusting nut until it touches the feeler gauge. Once the gap setting is correct, hold the wrench on the flats of the adjusting nut and retighten the retaining nut securely. . Adjust the second rocker arm, if necessary. . Replace the rocker arm cover and screw; tighten securely. . Replace the top engine cover and screw; tighten securely. WARNING: Ensure all engine cover and all engine parts are completely and properly reassembled before starting engine. Failure to correctly reassemble engine may result in serious injury or property damage. STORING THE PRODUCT . Clean all foreign material from the product. Store idle unit indoors in a dry, well-ventilated area that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts. . Abide by all ISO and local regulations for the safe storage and handling of gasoline. When storing 1 month or longer: . Drain all fuel from tank into a container approved for gasoline. Run engine until it stops. HIGH ALTITUDE ENGINE OPERATION Please have an authorized service center adjust this engine if it is to be run above 2000 feet. Failure to do so may result in poor engine performance, spark plug fouling, hard starting, and increased emissions. Carburetor adjustment by an authorized service center will improve performance and allow that this engine meets EPA (Environmental Protection Agency) and California ARB (Air Resources Board) emission standards. An engine adjusted for high altitudes can not be run at 2000 feet or lower. In doing so, the engine will overheat and cause serious engine damage. Please have an authorized service center restore high altitude modified engines to the original factory specification before operating below 2000 feet. MAINTENANCE TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM POSSIBLE CAUSE SOLUTION Engine will not start No spark. No fuel. Engine is flooded. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer. If primer bulb fills, engine may be flooded, proceed to next item. Set the start lever to the START position. Squeeze the trigger and pull the rope repeatedly until the engine starts and runs. NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope. Engine does not reach full speed and emits excessive smoke Air filter is dirty. Spark arrestor screen is dirty. Spark plug fouled. Clean air filter. Refer to Cleaning Air Filter earlier in this manual. Contact a servicing dealer. Clean or replace spark plug. Reset spark pl...