User manual MAKITA RBC321

[. . . ] Conservar este manual de instrucciones con cuidado. English Thank you very much for purchasing the MAKITA Brush Cutter/String trimmer. We are pleased to recommend to you the MAKITA Brush Cutter/String trimmer which is the result of a long development programme and many years of knowledge and experience. Please read this booklet which refers in detail to the various points that will demonstrate its outstanding performance. This will assist you to obtain the best possible result from your MAKITA Brush Cutter/String trimmer. [. . . ] Particular attention is to be paid to the cutting blades which must be correctly sharpened. ­ Turn off the engine and remove spark plug connector when replacing or sharpening cutting tools, and also when cleaning the cutter or cutting tool. 4 Never straighten or weld damaged cutting tools. ­ Operate the Brush cutter/String trimmer with as little noise and contamination as possible. In particular check the correct setting of the carburetor. ­ Clean the Brush cutter/String trimmer at regular intervals and check that all screws and nuts are well tightened. ­ Never service or store the Brush cutter/String trimmer in the vicinity of naked flames. ­ Always store the Brush cutter/String trimmer in locked rooms and with an emptied fuel tank. Observe the relevant accident prevention instructions issued by the relevant trade associations and by the insurance companies. Do not perform any modifications on the Brush cutter/String trimmer as this will endanger your safety. The performance of maintenance or repair work by the user is limited to those activities as described in the instruction manual. All other work is to be done by an Authorized Service Agent. Use only genuine spare parts and accessories released and supplied by MAKITA. ­ If the nylon cutting head hits against a stone during operation, stop the engine and check the nylon cutting head immediately. Star Blade Eddy Blade Protector for metal blades Nylon cutting head Protector for cord cutter PART NO. 6258060001 CAUTION : The appropriate protector must always be installed, for your own safety and in order to comply with accident-prevention regulations. Operation of the equipment without the guard being in place is not permitted. ­ Fix the protector (1) to the clamp (3) with two bolts M6 x 30 (2). ­ When using the string head, fit the protector (6) into the protector (1), and tighten them with two nuts (5) and two screws (4). 10 MOUNTING OF CUTTER BLADE OR NYLON CUTTING HEAD Turn the machine upside down, and you can replace the cutter blade or the nylon cutting head easily. ­ Insert the hex wrench through the hole in the gear case and rotate the receiver washer (3) until it is locked with the hex wrench. ­ Loosen the nut (1) (left-hand thread) with the socket wrench and remove the nut (1), and clamp washer (2). With the hex wrench still in place. ­ Mount the cutter blade onto the shaft so that the guide of the receiver washer (3) fits in the arbor hole in the cutter blade. Install the clamp washer (2) and secure the cutter blade with the nut (1). [Tightening torque: 13 - 23 N-m] NOTE: Always wear gloves when handling the cutter blade. NOTE: The cutter blade-fastening nut (with spring washer) is a consumable part. If there appears any wear or deformation on the spring washer, replace the nut. Hex wrench Loosen Tighten NOTE: The clamp washer (2), and nut (1) are not necessary for mounting the nylon cutting head. The nylon head should go on top of the receiver washer (3). ­ Screw the nylon cutting head onto the shaft. Tighten Loosen Hex wrench ­ Make sure that the blade is the left way up. Rotation 11 FUELS/REFUELLING Handling fuel Utmost care is required when handling fuel. [. . . ] ­ Before operation, always check for clogging of the cooling air passage and the cylinder fins. ­ Perform the following work daily after use: · Clean the Brush cutter externally and inspect for damage. When working under extremely dusty conditions, clean the filter the severall times a day. · Check the blade or the nylon cutting head for damage and make sure it is firmly mounted. [. . . ]