Assessments - 3, GPA: 3.3 ( )

Fabricante : Makita Arquivo Tamanho: 1.22 mb Arquivo Nome : Língua de Ensino:

5 Put the cord ends temporarily into the notched (H) when winding being finished. Leave approximate 100 mm (4”) of the cord extended beyond the notch. 6 Place the spool into the cover. Remove the ends of the cord from the notches (H) and put them in the metal eyelets (I) on the cover. 7 Mount the spool ( cover-assembly ) in the housing so that the grooves and protrusions on the spool mach up with those in the housing ( C ). C A I B G E F D H Then push the cover firmly onto the housing to secure it. SERVICING INSTRUCTIONS Before doing any work on the Brush Cutter/String Trimmer, always stop the engine and pull the plug cap off the spark plug. Always wear protective gloves. Do not attempt to remove the recoil starter by yourself, which may cause an accident. It should be done by the Authorized Service Agent. To ensure a long service life and to avoid any damage to the machine, the following servicing operations should be done at regular intervals. Daily checkup and maintenance Before operation, check the machine for loose screws or missing parts. Pay your special attention to the tightness of the cutting tool. Before operation, always check for clogging of the cooling air passage and the cylinder fins. Clean them if necessary. Do the following works daily after use : -Clean the machine externally and inspect for damage. -Clean the air filter. When working under extremely dusty conditions, clean the filter several times a day. -Check the blade or the nylon cutting head for damage and make sure it is firmly mounted. -Check if there is sufficient difference between idling and engagement speed. Make sure that the cutting tool does not rotate while the engine is idling. -Check the functioning of the I-O switch, the lock-off lever, the control lever and the lock button. Cleaning of air-filter -Remove screw (B). STOP -Remove the air filter cover (A). Take out the air-filter (C) and clean it in warm soapy water. Dry the air-filter completely. -After cleaning, put back the air filter cover and fasten it with the screw. Note : B If there is excessive dust or dirt adhering to the air filter, clean it every day. A clogged air filter may make it difficult or impossible to start the engine or increase the engine rotation-speed. A C Checking the spark plug Only use the supplied universal wrench to remove or install the spark plug. The gap between the two electrodes of the spark plug should be 0.6 – 0.7 mm ( 0.024” – 0.028” ). If the gap is too wide or too narrow, adjust it. If the spark plug is clogged with carbon or fouled, clean it completely or replace it. CAUTION : Never touch the spark plug connector while the engine is running ( danger of high voltage electric shock ). 0.6 mm – 0.7 mm 12 Supply of grease to gear case Supply grease (Shell Albania 3 or equivalent ) to the gear case through the grease hole every 30 hours. Suction head in the fuel tank The fuel filter (A) of the suction head is for filtering the fuel to the carburetor. A periodical visual inspection of this fuel filter is highly recommended. To inspect the fuel filter, open the tank cap and pull out the suction head through the opening of the tank using a wire hook. If the filter is found to have hardened, polluted or clogged up, it should be replaced. Insufficient fuel supply caused by the deteriorated filter will result in the poor performance of the engine. It is therefore important to replace the fuel filter at least quarterly to ensure fuel-supply to the carburetor. Cleaning of muffler exhaust port Check the muffler exhaust port (B) regularly. If it is clogged by carbon deposits, scratch out the deposits carefully with a suitable tool. STORAGE When the Brush Cutter/String Trimmer is in storage for a long time, 1 Drain all fuel from the fuel tank into a container approved for gasoline. A B Run the engine until it stops. Clean all foreign material from the machine and store it in a well-ventilated place that is not accessible to children. 13 MAINTENANCE SCHEDULE General Engine assembly, screws and nuts Visual inspection for damage and tightness. Check for general condition and security. After each refueling Control lever I-O switch Functional check Functional check Daily Air filter Cooling air duct Cutting tool Idling speed To be cleaned To be cleaned Check for damage and sharpness Inspect (Cutting tool does not rotate) Weekly Spark plug Muffler Inspection, replace if necessary Check and clean the opening if necessary Quarterly Suction head Fuel tank To be replace To be cleaned Yearly (Long Term) Fuel tank Carburetor Empty fuel tank Operate until engine stops TROUBLESHOOTING CHART Trouble System Observation Cause Engine does not start or hard to start Ignition system Ignition spark O.K. Failure in fuel supply or compression system, mechanical defect No ignition spark I-O switch operated, wiring fault or short circuit, spark plug or connector defective, ignition module faulty Fuel supply Fuel tank filled Wrong choke position, defective carburetor, fuel ...

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