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• Avoid pulling the rope to its end or returning it by releasing the knob. Such actions can cause starter failures. 6. Move the choke lever downward to open the choke. And restart engine. (OP2) 7. Allow the engine to warm up for several minutes before starting operation. US-12 8. Operation OP7 MA1 ¦ REFILLING TRIMMING LINE (MA1) 1. For replacement line, use a diameter of .095in (2.4mm). The spool is capable for a line upto 20ft (6m) on the 4” head. Avoid using a larger line as it may cut down the trimming performance. WARNING For safety reasons, do not use metalreinforced line. 2. Pinch the slotted area on the both sides of the spool housing to unhook the bottom cap. 3. Take out the spool and pull off the old line. Fold new line so that one half line is 4.7in.(12cm) shorter than another half. And then, hook bended end in the slot of the spool. 4. Wind up the line in the correct direction as indicated on the spool. 5. Hook each end of the line in the slot on the edge of the spool, and then put the ends through the eyelets on the housing. Make sure that the spring and the washers are in place. 6. While holding the spool against the housing, pull the line ends to release them from the slot. 7. Line up the slot on the bottom cap with the hook on the housing, press the cap against the housing until it clicks. BCZ2650S/T/SS 9. Maintenance ¦ MUFFLER WARNING WARNING • Make sure that the engine has stopped and is cool before performing any service to the machine. Contact with moving cutting head or hot muffler may result in a personal injury. ¦ AIR FILTER • The air filter, if clogged, will reduce the engine performance. Check and clean the filter element. If the element is broken or clogged, replace with a new one. (MA2) (1) air filter ¦ FUEL FILTER • When the engine runs short of fuel supply, check the fuel cap and the fuel filter for blockage. (MA3) (1) fuel filter ¦ SPARK PLUG Starting failure and mis-firing are often caused by a fouled spark plug. Clean the spark plug and check that the plug replacement plug, use the correct type REPLACEMENT PLUG IS A NGK U S • Inspect periodically, the muffler for loose fasteners, any damage or corrosion. If any sign of exhaust leakage is found, stop using the machine and have it repaired immediately. •Note that failing to do so may result in the engine catching on fire. ¦ SPARK ARRESTER • The muffler is equipped with a spark arrester to prevent red hot carbon from flying out of the exhaust outlet. Periodically inspect and clean as necessary with a wire brush. In the State of California it is required by law (Section 4442 of the California Public Resources Code) to equip a spark arrester when a gas powered tool is used in any forest covered, brush covered, or grass covered unimproved land. (MA5) (1) spark arrester ¦ GEAR CASE (MA6) • The reduction gears are lubricated by multipurpose, lithium-based grease in the gear case. Supply new grease every 25 hours of use or more often depending on the job condition. • Remove the side bolt in gear case opposite of grease nipple before installing new grease to arrange for old grease to exit. ¦ INTAKE AIR COOLING VENT (1) MA2 (1) MA3 (1) MA5 MA6 .025 in 0.655mm MA4 • gap is in the correct ranspecified by RedMax. ( • CMR7H. MA4) ge. For a IMPORTANT WARNING • Note that using any spark plug other than those designated may result in the engine failing to operate properly or in the engine becoming overheated and damaged. • To install the spark plug, first turn the plug until it is finger tight, then tighten it a quarter turn more with a socket wrench. TIGHTENING TORQUE: 87~104 in-lbs (9.8~11.8 N.m.) • Never touch the cylinder, muffler, or spark plugs with your bare hands immediately after stopping the engine. The engine can become very hot when in operation, and doing so could result in severe burns. • When checking the machine to make sure that it is okay before using it, check the area around the muffler and remove any wood chips or leaves which have attached themselves to the brushcutter. Failing to do so could cause the muffler to become overheated, and US-15 BCZ2650S/T/SS 9. Maintenance that this in turn could cause the engine to catch on fire. Always make sure that the muffler is clean and free of wood chips, leaves, and other waste before use. • Check the intake air cooling vent and the area around the cylinder cooling fins after every 25 hours of use for blockage, and remove any waste which has attached itself to the brushcutter. Note that it is necessary to remove the engine cover shown in (MA7) in order to be able to view the upper part of the cylinder. IMPORTANT MA8 ¦ PROCEDURES TO BE PERFORMED AFTER EVERY 100 HOURS OF USE 1. Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe away any carbon buildup on the muffler exhaust vent and cylinder exhaust port at the same time. 2. Tighten all screws, bolts, and fittings. 3. Check to see if any oil or grease has worked its way in between the clutch ...

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