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Echo CS-620PW, Instruction Manual, Page: 17 / 34

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Echo CS-620PW Instruction Manual Download Page 17

15

CS-620PW

WHEN THE ENGINE IS COLD

   CAUTION

Make sure the bar and chain are free from 
any obstruction when starting the chain saw. 

s -OVECHAINBRAKELEVERFULLYFORWARDTOLOCK

chain brake before starting. 

s &ILLTHEFUELTANKWITHFUELMIXTURE

 

It is not permitted to fill fuel above the shoulder 
level of fuel tank. 

s &ILLTHECHAINOILTANKWITHLUBRICANT

 

Do not over fill. 

s -OVEIGNITIONSWITCHTOh

Run

” position. 

s

Press the decompression device. 

s

Pull choke control knob all the way out.  
(Choke position 

)

s 3ECURELYHOLDTHECHAINSAWASSHOWNAND

pull starter handle several times until first firing 
sound. 

s

Push choke control knob all the way in. 

s

Press the decompression device and pull starter 
handle again to start the engine.

s 7HENENGINESTARTSIMMEDIATELYSQUEEZEAND

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)

WHEN THE ENGINE IS WARM

   CAUTION

Make sure the bar and chain are free from 
any obstruction when starting the chain saw.

s -OVECHAINBRAKELEVERFULLYFORWARDTOLOCK

chain brake before starting. 

s #ONlRMTHEREISFUELANDCHAINOILINTHETANKS

s -OVEIGNITIONSWITCHTOh

Run

” position. 

s

Press the decompression device. 

s 3ECURELYHOLDTHECHAINSAWASSHOWNANDPULL

starter handle. 

s #HOKEMAYBEUSEDIFNECESSARYBUTAFTERlRST

firing sound, pull throttle trigger to release choke. 

s !FTERSTARTINGTHEENGINEPULLFRONTHANDGUARD

towards the operator immediately.  
(Chain brake unlocked position) 

Chain brake

Chain brake

Start / Run

Ignition switch

Decompression device

Start / Run

Ignition switch

Decompression device

Starter handle

Starter handle

Throttle trigger

Choke

Throttle trigger lockout

Unlock chain brake

Unlock chain brake

Summary of Contents for CS-620PW

Page 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 ...

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 a...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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