Echo CS-620P, Instruction Manual

Page 1: ...d the instructions carefully and follow the rules for safe operation Failure to do so could result in serious injury X750 326 250 2 echo incorporated 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 1508sf 0528 ES Printed in Japan ...

Page 2: ...Copyright 2013 All Rights Reserved The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING ...

Page 3: ... for the saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent WARNING KICKBACK may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut Tip contact in some cases may cause a lightning fast reverse REACTION Kicking the guide bar up and back towards the operator Pinching the saw chain...

Page 4: ...d or not completely and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released 11 Shut off the engine before setting the chain saw down 12 Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance 13 When cutting a limb that is under tension be a...

Page 5: ... SYMBOLS AND SIGNS 3 PACKING LIST 5 NOMENCLATURE OF PARTS 6 OPERATOR SAFETY 8 CORRECT USE OF CHAIN BRAKE 9 PREPARATION FOR USE 10 FUEL AND LUBRICANT 12 EMISSION DATA 14 OPERATION 15 CUTTING INSTRUCTION 18 CHAIN AND GUIDE BAR COMBINATION 23 MAINTENANCE AND CARE 24 SETTING THE SAW CHAIN 28 TROUBLESHOOTING 30 STORAGE AFTER USE 31 TECHNICAL DATA 32 WARRANTY STATEMENTS 33 WARRANTY REGISTRATION SHEET 35...

Page 6: ...tion Chain oil fill Tip contact may cause the guide bar to move suddenly upward and backward which may cause serious injury Chain oiler adjustment Contact of the guide bar tip with any object should be avoided Decompression device Both of the operator s hands must be used to operate the chain saw L Carburetor adjustment Low speed mixture Chain brake operation H Carburetor adjustment High speed mix...

Page 7: ...ar and saw chain installation and other assembly may be necessary After opening the carton check for damage Immediately notify your retailer or ECHO dealer of damaged or missing parts Use the packing list to check for missing parts 13 x 19 mm T wrench Instruction manual Safety manual ECHO chain saw Saw chain Guide bar Kick Guard Warranty sheet ...

Page 8: ...er X524 005770 Part Number X505 006660 REPLACEMENT BAR AND CHAIN GUIDE BAR CHAIN PART NO PART NO 16 16D0PS3860 72LPX60CQ 18 18D0PS3866 72LPX66CQ 20 20D0PS3870 72LPX70CQ 24 24D0PS3881 72LPX81CQ 27 27D0PS3893 72LPX93CQ Or equivalent Note There may be other replacement components for achieving kickback protection For details please refer to the chain and bar combination sheet shown in the instruction...

Page 9: ...ter Device to adjust chain tension 11 Chain catcher A projection designed to reduce the risk of the operator s right hand from being hit by a chain which has broken or derailed from the guide bar during cutting NOMENCLATURE OF PARTS 12 Guide bar The part that supports and guides the saw chain 13 Saw chain Chain serving as a cutting tool 14 Bar tip guard Anti kickback device attached on the bar nos...

Page 10: ...or twisted position Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force in which you do the repetitive movement Do exercises to strengthen hand and arm muscles See a doctor if you feel tingling numbness or pain in your fingers hands wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be prevented EYE AND HEARIN...

Page 11: ... users Kickback may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut The installation of a chain brake may be mandatory by law or as stipulated by insurance regulations in your area of operation You should inquire through local government offices your employer or your local dealer to ensure that your chain saw conforms to...

Page 12: ...bar GUIDE BAR AND SAW CHAIN INSTALLATION REMOVAL 1 Remove spark plug lead See page 26 2 Remove two clutch cover nuts and remove clutch cover 3 Remove bar and saw chain if necessary See Maintenance and Care section for guide bar saw chain maintenance procedures 4 Unlock the chain brake and mount guide bar on studs and slide toward clutch to make saw chain installation easier Install chain with cutt...

Page 13: ... Hold the bar nose up and turn the adjuster screw clockwise until chain fits snugly against underside of the bar 4 Tighten both nuts with the bar nose held up 5 Pull the chain around the bar by hand Loosen the adjustment if you feel tight spots 6 When chain is properly tensioned tighten clutch cover nuts securely 20 to 23 N m 175 to 200 in lb 7 Keep chain properly tensioned at all times Adjusting ...

Page 14: ... instructions in the Storage section of this manual Fuel Mix Chart 50 1 U S Metric Gasoline Oil Gasoline Oil Gallons US fl oz L mL 1 2 6 4 80 2 5 2 8 160 5 12 8 20 400 FUEL AND LUBRICANT FUEL STATEMENT Gasoline Use 89 Octane R M 2 mid grade or higher gasoline or gasohol known to be good quality Gasohol may contain up to 10 Ethyl grain alcohol or 15 MTBE methyl teriary butyl ether Gasohol containin...

Page 15: ...y flammable Use extreme care when mixing storing or handling or serious personal injury may result Use an approved fuel container Do not smoke near fuel Do not allow flames or sparks near fuel Fuel tanks cans may be under pressure Always loosen fuel caps slowly allowing pressure to equalize Never refuel a unit when the engine is hot Never refuel a unit with the engine running Do not fill fuel tank...

Page 16: ...ormation on label varies by engine family PRODUCT EMISSION DURABILITY EMISSION COMPLIANCE PERIOD The 300 hours emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual EMISSION CONTROL INFORMATIO...

Page 17: ...TION After starting the engine immediately squeeze and release throttle trigger for disengaging throttle latch and returning engine to idle and pull front hand guard towards the operator immediately Chain brake unlocked position Never use throttle latch for cutting Use the chain brake only in starting or in emergencies OPERATION Start Run Ignition switch Chain brake Starter handle Unlock chain bra...

Page 18: ... trigger for disengaging throttle latch and returning engine to idle and pull front hand guard towards the operator immediately Chain brake unlocked position WHEN THE ENGINE IS WARM CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw Move chain brake lever fully forward to lock chain brake before starting Confirm there is fuel and chain oil in the tanks Mo...

Page 19: ...ignition switch down to Stop position NOTICE If engine does not stop pull choke control knob out fully to stop engine Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again CHECKING CHAIN TENSION Chain tension should be checked frequently during work and corrected as necessary Tension the chain as tight as possible but so it can still be pul...

Page 20: ... your best aid will be your own good common sense The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handlebar and your right hand on the rear handle so you can operate the throttle trigger with your right index finger Before attempting to fell a tree cut some small logs or limbs Become thoroughly familiar with the controls and the responses of the...

Page 21: ...ite the notch and at a level about 5 cm 2 in above the bottom of the notch Do not try to cut through to the notch with the felling cut The remaining wood between the notch cut and felling cut about 5 cm 2 in will act as a hinge when the tree falls guiding it in the desired direction When the tree starts to fall kill the engine place the saw on the ground and make your retreat quickly To fell big t...

Page 22: ...make the cut unless the tree is lying on perfectly flat ground or supported as shown If you make the cut with the tree on the ground don t let the saw s chain dig into the earth it is harmful for the saw and you stand a good chance of being struck by flying debris To cut the trunk use the bucking and two cut sequence shown The first cut should be no deeper than one third the trunk diameter DANGER ...

Page 23: ... a fast idle Slowly operate the chain brake lever while holding the saw firmly on the ground When the brake lever trips the chain should stop Immediately release the throttle trigger WARNING If the chain does not stop immediately return the saw to your authorized ECHO dealer for repair NOTICE For practice while cutting a small tree push the lever forward to lock the brake Confirm that the brake wo...

Page 24: ...le and drop the end of the guide bar against the wooden surface 4 The impact should lock the chain brake IMPORTANT When checking the operation of the automatic chain brake use a soft surface substance like wood to provide the impact so the chain is not damaged WINTER OPERATION Use the air shutter to prevent carburetor trouble in winter Remove air cleaner cover Pull the air shutter to cold position...

Page 25: ...kickback CAUTION Do not use replacement saw chain unless it has been designated as meeting the ANSI B175 1 kickback performance requirements when tested on the representative sample of chain saws below 3 8 c i d specified in ANSI B175 1 NOTICE LOW KICKBACK SAW CHAIN meets the kickback performance requirements of ANSI B175 1 safety requirements for gasoline powered chain saws Guide bar Saw chain Le...

Page 26: ... for that task Ask your ECHO dealer for these parts MAINTENANCE INTERVALS Maintenance Procedure Letter Codes I Inspect C Clean R Replace Maintenance Procedure Notes 1 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity All recommendations to replace are based on the finding of damage or wear during inspection Component system Maintenance procedure Required ...

Page 27: ...cess fuel in the engine then return to idle Accelerate engine to full throttle to check for smooth transition from idle to high speed If engine hesitates turn L needle CCW 1 8 turn and repeat acceleration Continue adjustment until smooth acceleration results 7 Check idle speed and reset if necessary as described in item 5 If a tachometer is available idle speed should be set to 2800 r min CAUTION ...

Page 28: ... is 0 65 mm 0 026 in Correct the spark gap if it is wider or narrower than the standard gap Fastening torque 15 to 17 N m 130 to 145 in lb FUEL FILTER Check periodically Do not allow dust to enter fuel tank A clogged filter will cause difficulty in starting engine or abnormalities in engine performance Pull the fuel filter out through fuel inlet port with a piece of steel wire or the like When the...

Page 29: ...ug lead Remove spark arrestor screen cover and screen from muffler body Clean carbon deposits from muffler components Replace screen if it is cracked or has holes burned through Assemble components in reverse order NOTICE Carbon deposits in muffler will cause drop in engine output Spark arrestor screen must be checked periodically AUTOMATIC OILER The discharge volume of the automatic oiler is adju...

Page 30: ...right cutters properly aligned Note that blunt or irregular cutters will result in poor cutting performance increased vibration of chains and premature breakage of the saw chain Drive link serves to remove sawdust from the groove of the guide bar Keep the lower edge of the drive link sharp where indicated SETTING SAW CHAIN For setting saw chain round file 5 5 mm 7 32 in diameter and flat file are ...

Page 31: ...ufficient 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 in it oil NOTICE These angles are referred to as Oregon 72LPX To sharpen other follow chain manufact...

Page 32: ...ixture is too rich Open choke Clean replace air filter Adjust carburetor Ask your ECHO dealer Spark at end of plug wire No spark at end of plug wire Ignition switch off Turn switch on Electrical problem Ask your ECHO dealer Spark at plug No spark at plug Spark gap incorrect Adjust 0 65 mm 0 026 in Covered with carbon Clean or replace Fouled with fuel Clean or replace Spark plug defective Replace p...

Page 33: ...y manual has become illegible or is lost please purchase a new one from your ECHO dealer STORAGE AFTER USE Inspect and adjust every part of the chain saw Completely clean every part and repair if necessary Apply thin coating of oil on metal parts to prevent rust Remove chain and guide bar Drain fuel tank pull starter slowly a few times to drain fuel from carburetor Pour a small amount of clean mot...

Page 34: ... CD 13738 and JASO M345 FD two stroke air cooled engine oil Gasoline Use 89 octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E 15 or E 85 Tank capacity L 0 645 21 8 US fl oz Oil Bar and chain ECHO bar and chain oil Tank capacity L 0 300 10 1 US fl oz Guide bar and saw chain See page 23 for Chain and Guide Bar Combi...

Page 35: ...oducing use will be covered by this limited warranty for five 5 years from date of purchase EXCEPTIONS For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive shafts and TC tines are warranted for the life of the product on parts only Cutting attachments such as but not limited to bars chains sprockets blades and nylon trimmer heads for residenti...

Page 36: ...d removed cutting shield or removed damaged air filter Damage caused by dirt pressure or steam cleaning the unit salt water corrosion rust varnish abrasives and moisture Defects malfunctions or failures resulting from abuse misuse neglect modifications alterations normal wear improper servicing or use of unauthorized attachments Incorrect storage procedures stale fuel including failure to provide ...

Page 37: ...ST and EASY NOTE your information will never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall and verifies your ownership for warranty consideration If you do not have access to the Internet you can complete the form below and mail to ECHO Inc Product Registration PO Box 1139 Lake Zurich IL 60047 ...

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