Echo CS-4910, Operator'S Manual

Page 1: ... contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Read and understand all provided literature before use Failure to do so could result in serious injury 1RWH 7KLV SURGXFW FRPSOLHV ZLWK 1 6 10 ECHO INCORPORATED 2DNZRRG 5RDG DNH XULFK www echo usa com ...

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Page 8: ...SA Z62 1 3 Automatic Chain Brake LFNEDFN SURGXFHG IURP WKH WLS RI WKH JXLGH EDU ZLOO WULS WKH DXWRPDWLF FKDLQ EUDNH 7R PDNH VXUH WKDW WKH DXWRPDWLF FKDLQ EUDNH RSHUDWHV SURSHUO IROORZ WKHVH VWHSV 6WRS WKH HQJLQH ROG WKH VDZ ZLWK WKH JXLGH EDU DSSUR LPDWHO FP LQFKHV DERYH D ZRRGHQ VXUIDFH 5LJKW KDQG VKRXOG KROG WKH UHDU KDQGOH DQG OHIW KDQG VKRXOG KROG WKH IURQW KDQGOH 5HOHDVH WKH IURQW KDQGOH DQG ...

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Page 11: ...safety devices may result in serious or fatal injury Unit includes safety devices that reduce the likelihood of kickback Chain brake brake actuated by kickback energy not manual activation Reduced kickback guide bar reduced nose radius guide bar Low kickback saw chain saw chain that meets ANSI kickback performance requirements when configured with the bar chain recommendations in this manual Front...

Page 12: ...sed improperly and or safety precautions are not followed Proper clothing and safety gear must be worn when operating unit Physical Condition RXU MXGJPHQW DQG SK VLFDO GH WHULW PD QRW EH JRRG I RX DUH WLUHG RU VLFN I RX DUH WDNLQJ PHGLFDWLRQ I RX KDYH WDNHQ DOFRKRO RU GUXJV 2SHUDWH XQLW RQO LI RX DUH SK VLFDOO DQG PHQWDOO ZHOO Eye Protection Eye protection that meets ANSI Z87 1 or CE requirements ...

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Page 17: ...FRUSRUDWHG 1RWH Not all symbols will appear on your unit KRNH RQWURO 2 67 57 3RVLWLRQ KRNH ORVHG KRNH RQWURO 581 3RVLWLRQ KRNH 2SHQ 3XUJH 3XPS H RPSUHVVLRQ HYLFH 6723 0RPHQWDU 6723 6ZLWFK Symbol Description Symbol Description STOP STOP ...

Page 18: ...ury or death if not avoided The safety alert symbol accompanied by the word WARNING calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided The safety alert symbol accompanied by the word CAUTION calls attention to an act or condition which might lead to minor or moderate personal injury if not avoided The enclosed message provides information neces...

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Page 22: ...DZ FKDLQ VHSDUDWHG QVWDOO JXLGH EDU RSWLRQDO LFN XDUG70 DQG VDZ FKDLQ DV IROORZV Instructions to Install Optional Kick GuardTM to Bar 7RROV 1HHGHG 7ZR PP LQ UHQFKHV QVWDOO EROW LQ rear KROH RI RSWLRQDO LFN XDUG70 DQG WKURXJK IURQW KROH LQ JXLGH EDU IMPORTANT LPSOH LQ RSWLRQDO LFN XDUG70 PXVW HQJDJH UHFHVV LQ JXLGH EDU 6HFXUHO WLJKWHQ QXW DQG EROW Guide Bar and Saw Chain Installation Removal LVFRQQ...

Page 23: ...ZDUG QVWDOO VSURFNHW JXDUG RYHU JXLGH EDU VWXGV 0DNH VXUH FKDLQ WHQVLRQ DGMXVWHU SLQ ILWV LQWR WKH JXLGH EDU DGMXVWHU KROH EUDNH EDQG LV SRVLWLRQHG DURXQG FOXWFK GUXP 7LJKWHQ VSURFNHW JXDUG QXWV ILQJHU WLJKW GMXVW VDZ FKDLQ WHQVLRQ DV LQVWUXFWHG LQ GMXVW KDLQ 7HQVLRQ Improper sprocket guard assembly can result in serious injury and will cause severe saw damage if unit is started Never start or ope...

Page 24: ...herwise the sprocket guard and tensioner will be damaged 5HPRYH DLU FOHDQHU FRYHU DQG GLVFRQQHFW VSDUN SOXJ OHDG RRVHQ VSURFNHW JXDUG QXWV ROG WKH EDU QRVH XS DQG WXUQ WKH DGMXVWHU WRZDUG XQWLO FKDLQ FRQWDFWV XQGHUVLGH RI WKH EDU 7LJKWHQ QXWV ZLWK WKH EDU QRVH KHOG XS 3XOO WKH FKDLQ DURXQG WKH EDU E KDQG RRVHQ WKH DGMXVWPHQW LI RX IHHO WLJKW VSRWV ...

Page 25: ...to improper clutch engagement Diesel or alternative fuels can also cause premature deterioration of fuel lines gaskets carburetors and other engine components Fuel Requirements Gasoline 8VH IUHVK SXUFKDVHG ZLWKLQ WKH ODVW GD V IURP WKH SXPS 2FWDQH 5 0 PLG JUDGH RU KLJKHU JDVROLQH NQRZQ WR EH JRRG TXDOLW DVROLQH PD FRQWDLQ XS WR WKDQRO JUDLQ DOFRKRO RU 07 PHWK O WHUWLDU EXW O HWKHU DVROLQH FRQWDLQL...

Page 26: ... repeated or prolonged skin contact AVOID inhaling oil mists or vapors ECHO branded 2 stroke oils may be mixed at 50 1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals Handling Fuel Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury will result Use an approved fuel container Mark fuel container...

Page 27: ... to use in 30 days 90 days when a fuel stabilizer is added LOO DQ DSSURYHG IXHO FRQWDLQHU ZLWK KDOI RI WKH UHTXLUHG DPRXQW RI JDVROLQH GG WKH SURSHU DPRXQW RI VWURNH RLO WR JDVROLQH ORVH FRQWDLQHU DQG VKDNH WR PL RLO ZLWK JDVROLQH GG UHPDLQLQJ JDVROLQH FORVH IXHO FRQWDLQHU DQG UHPL Spilled fuel is a leading cause of hydrocarbon emissions Some locations may require the use of automatic fuel shut of...

Page 28: ...ipped with a momentary STOP Switch automatically return to RUN position Engine can start unintentionally Always remove spark plug lead from spark plug before assembling or performing maintenance procedures otherwise serious personal injury can result Servicing Fuel and Oil KHQ WKH IXHO WDQN FDS RU RLO WDQN FDS LV GLIILFXOW WR UHPRYH UHPRYH WKH VSDUN SOXJ OHDG SXOO WKH VWDUWHU KDQGOH VORZO DQG XVH ...

Page 29: ... WKH IROORZLQJ JUDGHV 6 1R LQ VXPPHU 6 1R LQ ZLQWHU RU ZKHQ FXWWLQJ UHVLQRXV WUHHV KHQ UHIXHOLQJ DOVR UHILOO FKDLQ RLO Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings Always stop engine disconnect spark plug and make sure all moving parts have come to a complete stop before removing obstructions clearing debris or servicing un...

Page 30: ...he bar and chain are free from any obstruction when starting the chain saw 0RYH FKDLQ EUDNH OHYHU IXOO 25 5 WR 2 FKDLQ EUDNH EHIRUH VWDUWLQJ LOO WKH IXHO WDQN ZLWK IXHO PL WXUH R QRW RYHU ILOO LOO WKH FKDLQ RLO WDQN ZLWK OXEULFDQW R QRW RYHU ILOO 0RYH 6723 VZLWFK WR 83 SRVLWLRQ 3XOO FKRNH FRQWURO NQRE DOO WKH ZD RXW 26 FKRNH SRVLWLRQ 3UHVV WKH GHFRPSUHVVLRQ GHYLFH After choke control knob is pulle...

Page 31: ...HV QRW VWDUW DIWHU SXOOV UHSHDW LQVWUXFWLRQV After starting the engine immediately squeeze and then release throttle trigger to release fast idle throttle latch otherwise severe brake damage may occur Never use fast idle throttle latch for cutting Use the fast idle throttle latch only in starting KHQ HQJLQH VWDUWV LPPHGLDWHO VTXHH H DQG UHOHDVH WKURWWOH WULJJHU WR GLVHQJDJLQJ WKURWWOH ODWFK DQG UH...

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Page 33: ... H VTXHH H WKURWWOH WULJJHU ORFN DQG WKURWWOH WULJJHU JUDGXDOO DQG LQFUHDVH HQJLQH VSHHG 7KH FKDLQ VWDUWV UXQQLQJ ZKHQ WKH HQJLQH UHDFKHV FOXWFK HQJDJHPHQW VSHHG VHH WHFKQLFDO GDWD SDJH RQILUP SURSHU DFFHOHUDWLRQ DQG OXEULFDWLRQ RI FKDLQ DQG EDU R QRW UXQ WKH HQJLQH DW KLJK VSHHG XQQHFHVVDULO H VXUH WKDW VDZ FKDLQ VWRSV PRYLQJ ZKHQ WKURWWOH WULJJHU ORFN DQG WKURWWOH WULJJHU LV UHOHDVHG Stopping 5H...

Page 34: ...HFHVVDU Do not operate with a loose chain Chain Lubrication Test ROG WKH FKDLQ MXVW DERYH D GU VXUIDFH DQG RSHQ WKH WKURWWOH WR KDOI VSHHG IRU VHFRQGV WKLQ OLQH RI WKURZQ RLO VKRXOG EH VHHQ RQ WKH GU VXUIDFH Cutting Instructions General This chain saw is designed for cutting wood Do not cut metal plastic or any non wood material Wear suitable hearing protection such as earmuffs or earplugs to prot...

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Page 36: ...RU EDU DQG FKDLQ RLO WR PHWDO SDUWV DIWHU WKH DUH FOHDQHG QVWDOO DQG SURSHUO WHQVLRQ JXLGH EDU DQG FKDLQ 5XQ HQJLQH IRU RQH PLQXWH DOWHUQDWLQJ HQJLQH VSHHG EHWZHHQ IXOO WKURWWOH IRU VHFRQGV DQG LGOH IRU VHFRQGV WR FRDW PHWDO SDUWV ZLWK DGGLWLRQDO SURWHFWLYH FKDLQ RLO Do not run a chainsaw not under cutting load at wide open throttle longer than 5 seconds or engine damage can occur Keep chain prope...

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Page 39: ...I EHLQJ VWUXFN E IO LQJ GHEULV 7R FXW WKH WUXQN XVH WKH EXFNLQJ DQG WZR FXW VHTXHQFH VKRZQ 7KH ILUVW FXW VKRXOG EH QR GHHSHU WKDQ RQH WKLUG WKH WUXQN GLDPHWHU Chain And Guide Bar Combination 7KH IROORZLQJ FRPELQDWLRQV DUH UHFRPPHQGHG IRU PRGHO 6 Use of replacement saw chain and or guide bar other than that specified or operation without the optional Kick GuardTM in place may cause severe kickback ...

Page 40: ...H OHQJWK DQG QRVH UDGLXV DV D VSURFNHW QRVH EDU Saw Chain Low kickback Only use saw chain designated as LOW KICKBACK that meets ANSI B175 1 or CSA Z62 1 3 Standard when tested on the representative sample of chain saws below 3 8 C I D and ECHO guide bar specified MAINTENANCE Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings Alwa...

Page 41: ...H ZKHWKHU RX ZDQW WR 2 7 2856 RU KDYH WKH HDOHU GR LW HDFK PDLQWHQDQFH WDVN KDV EHHQ JUDGHG I WKH WDVN LV QRW OLVWHG VHH RXU HDOHU IRU UHSDLUV The use of emission control components other than those specifically designed for this unit is a violation of federal law Skill Levels Level 1 DV WR GR RPPRQ WRROV PD EH UHTXLUHG Level 2 0RGHUDWH GLIILFXOW 6RPH VSHFLDOL HG WRROV PD EH UHTXLUHG Level 3 6HH R...

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Page 43: ...H VHD OHYHO 6 N3D 7R PDLQWDLQ SURSHU HQJLQH RSHUDWLRQ DERYH IHHW 6 WKH FDUEXUHWRU PLJKW QHHG WR EH DGMXVWHG E DQ DXWKRUL HG VHUYLFH GHDOHU If the engine is adjusted for operation above 1 100 feet ASL the carburetor must be re adjusted when operating the engine below 1 100 feet ASL otherwise severe engine damage can result HIRUH DGMXVWLQJ FDUEXUHWRU FOHDQ RU UHSODFH DLU ILOWHU DQG PXIIOHU 6SDUN UUH...

Page 44: ...VXOWV KHFN LGOH VSHHG DQG UHVHW LI QHFHVVDU DV GHVFULEHG LQ LWHP I D WDFKRPHWHU LV DYDLODEOH LGOH VSHHG VKRXOG EH VHW WR YDOXH OLVWHG RQ VSHFLILFDWLRQV SDJH When starting idling adjustment speed should be adjusted to prevent the saw chain from moving When you experience trouble with the carburetor contact your dealer Air Filter KHFN EHIRUH HYHU XVH 26 FKRNH 5HPRYH DLU FOHDQHU FRYHU DQG DLU ILOWHU ...

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