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Фрагмент инструкции
Only use saw chain designated as, “LOW-KICKBACK,” that meets the ANSI B175.1-2000 Standard when tested on the representative sample of chain saws below 3.8 C.I.P. specified, and the Echo guide bar specified. IMPORTANT Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above. IMPORTANT If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of the Echo dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at com. Refer to your Chain Saw Safety Manual for kick guard application information. 21 SETTING THE SAW CHAIN For setting saw chains, round file (4 mm o: 5/32”) and flat file are used. • To keep correct position and correct angle, use the file holder. - Round file and flat file are available from your Echo Dealer. • File cutters as below. To sharpen other type chain, follow chain manufacturer’s instructions Type : 91VG 1/5 90° Depth 30° gauge HOLD FILE HOLDER ONE FIFTH OF FILE DIAMETER LEVEL REMAINS ABOVE CUTTER EDGE • Place the depth gauge tool firmly on guide bar so that depth gauge protrudes. Then file top of depth gauge with flat file until flat with top of the gauge tool. -Be sure to round off the front edge of the depth gauge. Depth gauge tool Round Remove off the until flat edge with tool Keep this angle PUSH FILE AS SHOWN • Properly filed cutters are shown below. (Top plate angle) (Side plate angle) (Top plate cutting angle) (Depth gauge) 30° 80° 60° 0.64 mm (0.025 in.) Parallel • When setting of the chain is finished, soak it in oil and wash away filings completely before using. • When chain has been filed on the bar, supply sufficient oil to it, rotate the chain slowly to wash away the filings before using again. • If the chain saw is operated with filings clogged in the groove, the saw chain and the guide bar will be damaged prematurely • If the saw chain becomes soiled with resin, for instance, clean it with kerosene and soak it in oil. (SPROCKET) CHAIN TYPE AND SPROCKET PITCH Saw chain should be used with corresponding pitched sprocket. To identify chain type and pitch of sprocket, Number check as follows. indicates Chain • Chain type number (A) is stamped on drive link. type • Sprocket pitch (B) is stamped on clutch drum. AB 3/8A 91 Sprocket Pitch (DRIVE LINK) 22 TROUBLESHOOTING Poor performance of the engine and/or cutting mechanism can normally be prevented by carefully following these instructions. Poor performance can easily be corrected even by a beginner. When the engine does not function properly check the following three (3) points first. • Is the engine compression adequate? • Is fuel system in good condition and is enough fuel being supplied? • Is electrical system in good condition and is spark plug operating normally? When there is serious trouble with the unit, do not try to repair it yourself but have your distributor or dealer do it for you. For detailed TROUBLESHOOTING refer to tables 1 and 2. Locate the problem on the following charts and repair as necessary. Fuel is not Fuel strainer clogged ................................... Clean. Table 1 reaching carburetor 0 0 0 00 Fuel pipe clogged ........................................ Clean. Suction insufficient ....................................... Make sufficient. Fuel is not reaching 0 0 0 0 00 cylinder Strainer clogged .......................................... Clean. Carburetor out of order ................................. Disassemble and check. Engine does not start (or, is difficult to start)Engine cranksThere is fuel in the tankFuel is reaching carburetor Fuel is reaching cylinder There is spark at hightension cord end There is spark at plugStarting procedures C.D.I. module defective ................................. Remove and replace. Ignition coil defective .................................... Remove and replace. No spark at high tension Wire connection defective ............................. Reconnect. 0 00 cord end. High-tension cord connection defective ......... Repair as necessary. Switch is grounded ....................................... Switch on. Insulator cracked .......................................... Replace plug. Spark gap incorrect ...................................... Adjust. 00 No spark at plug Covered with carbon ..................................... Clean or replace. Fouled with fuel ............................................ Clean or replace. Starting procedures incorrect ....................... Start correctly. Low and high speed needle ........................... Readjust. setting too lean Metering lever spring too strong .................. Readjust. Fuel does not keep running 000 Fuel pump diaphragm defective ..................... Replace. Fuel passage clogged with dust ................... Disassemble and clean. correct Acceleration and low speed function defective 0 0 0 Fuel leaking from fixing surfaces .................. Retighten all screws. of carburetor Air valve, fuel tank cap does no...
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