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INSTRUCTION MANUAL

CHAIN SAW

CS-620PW

WARNING

Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.

X750-022 53 0
X750 326-270 0

ECHO, INCORPORATED

400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400

Printed in Japan

1304B

0014

Содержание CS-620PW

Страница 1: ...instructions carefully and follow the rules for safe operation Failure to do so could result in serious injury X750 022 53 0 X750 326 270 0 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 Printed in Japan 1304B 0014 ES ...

Страница 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 ...

Страница 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 a...

Страница 4: ...usted 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 ...

Страница 5: ... SAFE OPERATION 1 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 13 OPERATION 14 CUTTING INSTRUCTION 17 CHAIN AND GUIDE BAR COMBINATION 22 MAINTENANCE AND CARE 23 SETTING THE SAW CHAIN 27 TROUBLESHOOTING 29 STORAGE AFTER USE 30 TECHNICAL DATA 30 WARRANTY STATEMENTS 31 This chain sa...

Страница 6: ...ment Low speed mixture Choke control Cold Start position choke closed H Carburetor adjustment High speed mixture Oil and gasoline mixture T Carburetor adjustment Idle speed 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...

Страница 7: ...ain 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 Warranty registration card 13 x 19 mm T wrench Instruction manual Safety manual ECHO chain saw Saw chain Guide bar Kick Guard Warranty sheet ...

Страница 8: ...81CQ 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 manual WARNING Read and follow all safety precaution in the instruction manual Failure to follow instructions could result in serious personal injury TO AVOID KICKBACK 1 Hold the chain sa...

Страница 9: ...n saw is in use 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 nose 15 Oil tank cap F...

Страница 10: ...sted position s 4AKE PERIODIC BREAKS TO MINIMIZE REPETITION AND rest your hands s 2EDUCE THE SPEED AND FORCE IN WHICH YOU DO THE repetitive movement s O EXERCISES TO STRENGTHEN HAND AND ARM muscles s 3EE 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...

Страница 11: ...w 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...

Страница 12: ... bar GUIDE BAR AND SAW CHAIN INSTALLATION REMOVAL 1 Remove spark plug lead See page 25 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 cut...

Страница 13: ...3 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 ...

Страница 14: ...wer Blend X will void the two stroke engine warranty IMPORTANT s PREMIUM 0OWER LEND 8Í 5NIVERSAL 2 Stroke Oil may be mixed at 50 1 ratio for application in all ECHO engines sold in the past regardless of ratio speciﬁed in those manuals s 5SE OF UNMIXED IMPROPERLY MIXED OR FUEL OLDER than 90 days stale fuel may cause hard starting poor performance or severe engine damage and void the product warran...

Страница 15: ... Always loosen fuel caps slowly allowing pressure to equalize s EVER REFUEL A UNIT WHEN THE ENGINE IS HOT s EVER REFUEL A UNIT WITH THE ENGINE RUNNING s O NOT lLL FUEL TANKS INDOORS LWAYS lLL FUEL TANKS OUTDOORS OVER BARE ground s 3ECURELY TIGHTEN FUEL CAP AFTER REFUELING s NSPECT FOR FUEL LEAKAGE If fuel leakage is found do not start or operate unit until leakage is repaired s OVE AT LEAST M FEET...

Страница 16: ...s Oil tank cap CHAIN LUBRICANT Proper lubrication of the chain while in operation reduces friction between the chain and the guide bar to a minimum and assures a longer service life s 5SE BAR AND CHAIN OIL OF HIGH QUALITY FOR THIS purpose s O NOT USE USED OR RECLAIMED OIL TO AVOID VARIOUS oiler problems s 5SE BAR AND CHAIN OIL s 7HEN BAR AND CHAIN OIL IS NOT AVAILABLE Use motor oil etc s 5SE BAR A...

Страница 17: ...tle 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 s OVE CHAIN BRAKE LEVER FULLY FORWARD TO LOCK chain brake before starting s ONlRM THERE IS FUEL AND CHAIN OIL IN THE TANK...

Страница 18: ...PLACE 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 s HAIN TENSION SHOULD BE CHECKED FREQUENTLY during work and corrected as necessary s 4ENSION THE CHAIN AS TIGHT AS POSSIBLE BUT SO IT can sti...

Страница 19: ...our 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 sa...

Страница 20: ...site 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 ...

Страница 21: ...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 s I...

Страница 22: ... fast idle s 3LOWLY 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 s For practice while cutting a small tree push the lever forward to lock the brake s Conﬁrm that the brake ...

Страница 23: ...e 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 s 2EMOVE AIR CLEANER COVER Pull the air shutter to cold positio...

Страница 24: ...N Low 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 C I D SPECIlED IN 3 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 Leng...

Страница 25: ...d 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 ...

Страница 26: ...excess 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 CAUTIO...

Страница 27: ...K GAP IS MM 0 026 in s ORRECT THE SPARK GAP IF IT IS WIDER OR NARROWER than the standard gap s ASTENING TORQUE TO m 130 to 145 in lb FUEL FILTER s HECK PERIODICALLY s O NOT ALLOW DUST TO ENTER FUEL TANK s CLOGGED lLTER WILL CAUSE DIFlCULTY IN STARTING engine or abnormalities in engine performance s 0ULL THE FUEL lLTER OUT THROUGH FUEL INLET PORT WITH a piece of steel wire or the like s 7HEN THE lL...

Страница 28: ... SPARK ARRESTOR SCREEN COVER AND SCREEN from mufﬂer body s LEAN CARBON DEPOSITS FROM MUFmER COMPONENTS s 2EPLACE SCREEN IF IT IS CRACKED OR HAS HOLES burned through s NSPECT THE GASKET REPLACE IF DAMAGED s SSEMBLE COMPONENTS IN REVERSE ORDER NOTICE Carbon deposits in mufﬂer will cause drop in engine output Spark arrestor screen must be checked periodically AUTOMATIC OILER s 4HE DISCHARGE VOLUME OF...

Страница 29: ...HE 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 s RIVE 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 s OR SETTING SAW CHAIN ROUND lLE MM diameter 7 32 in and ﬂat ﬁle are us...

Страница 30: ...il 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 manufacturer s instru...

Страница 31: ...H s PEN CHOKE s LEAN REPLACE AIR lLTER s DJUST CARBURETOR s SK YOUR DEALER Spark at end of plug wire No spark at end of plug wire s GNITION SWITCH OFF s 4URN SWITCH ON s LECTRICAL PROBLEM s SK YOUR DEALER Spark at plug No spark at plug s 3PARK GAP INCORRECT s DJUST MM TO MM 0 024 to 0 028 in s OVERED WITH CARBON s LEAN OR REPLACE s OULED WITH FUEL s LEAN OR REPLACE s 3PARK PLUG DEFECTIVE s 2EPLACE...

Страница 32: ... X ISO L EGD ISO CD 13738 and JASO M345 FC 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 20 or E 85 Tank capacity L 0 645 21 8 US ﬂ oz Oil Bar and chain ECHO bar and chain oil or motor oil Tank capacity L 0 300 10 1 US ﬂ oz Guide bar and saw chain See page 22...

Страница 33: ...or non income producing use will be covered by this limited warranty for lVE years from date of purchase EXCEPTIONS s OR TWO STROKE ENGINE POWERED PRODUCTS THE ELECTRONIC IGNITION MODULE mEXIBLE DRIVE CABLES 32 SOLID DRIVE SHAFTS AND 4 tines are warranted for the life of the product on parts only s UTTING ATTACHMENTS SUCH AS BUT NOT LIMITED TO BARS CHAINS SPROCKETS BLADES AND NYLON TRIMMER HEADS F...

Страница 34: ...chments s NCORRECT STORAGE PROCEDURES STALE FUEL INCLUDING FAILURE TO PROVIDE OR PERFORM REQUIRED MAINTENANCE SERVICES AS PRESCRIBED IN THE operator s manual Preventative maintenance as outlined in the operator s manual is the customer s responsibility s AILURES DUE TO IMPROPER SET UP PRE DELIVERY SERVICE OR REPAIR SERVICE BY ANYONE OTHER THAN AUTHORIZED SERVICING DEALER during the warranty period...

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