User manual MAKITA BUC250

[. . . ] ENGLISH (Original instructions) INSTRUCTION MANUAL Cordless Chain Saw BUC250 011442 IMPORTANT: Read Before Using. 1 ENGLISH (Original instructions) SPECIFICATIONS Model Chain speed per minute Length of guide bar Guide bar type Type Saw chain Number of teeth Overall length Net weight Rated voltage · Specifications and battery cartridge may differ from country to country. · Weight, with battery cartridge, according to EPTA-Procedure 01/2003 END005-4 BUC250 8. 3 m/s (500 m/min) 250 mm Sprocket nose bar 91VG 3/8" 40 6 576 mm 4. 5 kg D. C. 36V Pitch No. of drive links Carving bar 25AP 1/4" 60 9 589 mm · Due to our continuing programme of research and development, the specifications herein are subject to change without notice. Symbols The following show the symbols used for the equipment. Be sure that you understand their meaning before use. [. . . ] Hold the chain saw with both hands when switching it on. Hold the top handle with your right hand, the front handle with your left. The bar and the chain must not be in contact with any object. First press the lock-off button, then the switch trigger. The saw chain starts immediately. 2 3 Battery protection system The battery cartridge is equipped with the protection system, which automatically cuts off the output power for its long service life. The tool may stop during operation when the tool and/or battery are placed under the following situation. This is caused by the activation of protection system and does not show the tool trouble. · When the tool is overloaded: At this time, release the switch trigger and remove causes of overload and then pull the 7 1 1. Unlock 010939 Press the front hand guard forwards using the back of your hand. The saw chain must come to an immediate standstill. CAUTION: Should the saw chain not stop immediately when this test is performed, the saw may not be used under any circumstances. Consult a MAKITA specialist repair shop. Checking the run-down brake Switch on the chain saw. The saw chain must come to a standstill within one second. · ASSEMBLY · CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool. Installing or removing saw chain CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before installing or removing the saw chain. · Always wear gloves when installing or removing the saw chain. To remove the saw chain, slightly slide the lever in the direction of arrow so that it can be released from the locked position and move the lever in the upright position as shown in the figure. · · CAUTION: Should the saw chain not come to a stop within one second when this test is performed, the saw must not be used. Consult a MAKITA specialist repair shop. Adjusting the chain lubrication 1. Move in the upright position 1 011459 You can adjust the oil pump feed rate with the adjusting screw. The amount of oil can be adjusted using the universal wrench. 011452 Carabiner (rope attachment point) 3 1 2 1. Carabiner (rope attachment point) 011458 1 Carabiner (Rope attachment point) is for use of tool hanging. Before using carabiner, pull it out and tie it with a rope. Press the lever and with the lever pressed in, turn it counterclockwise to loosen the nut until sprocket cover comes off. (Pressing in the lever leads to the fitting of lever into the nut. ) Turn the adjusting dial counterclockwise to release the saw chain tension. Remove the saw chain and guide bar from the chain saw. [. . . ] Always clean out the chips and sawdust when sharpening or replacing the saw chain. 2 010927 Cleaning the oil discharge hole Small dust or particles may be built up in the oil discharge hole during operation. Small dust or particles built up in the oil discharge hole may impair the oil discharge flow and cause an insufficient lubrication on the whole saw chain. When a poor chain oil delivery occurs at the top of guide bar, clean the oil discharge hole as follows. Remove the battery cartridge from the tool. [. . . ]