Echo CS-510 User's Manual
Contents
1. 7 Keep all parts of your body away from the saw chain when the engine is running 8 Before you start the engine make sure that the saw chain is not contacting anything 9 Carry the chain saw with the engine stopped the guide bar and saw chain to the rear and the muffler away from your body 10 Do not operate a chain saw that is damaged improperly adjusted 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 alert for springback so that you will not be struck when the tension in the wood fibers is released 14 Keep the handles dry clean and free of oil or fuel mixture 15 Operate the chain saw only in well ventilated areas 16 Do not operate a chain saw in a tree unless you have been specifically trained to do so 17 All chain saw service other than the items listed in the Instruction manual maintenance instructions should be performed by competent chain saw service personnel For example if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could2. P No 897510 03931 and flat file angle P No 89751 1 00230 are optional Inquire about the file holder if desired Push file as shown Hold the file tipped 10 upward One fifth of file diameter remains above cutter edge e Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then file top of depth gauge with flat the file until flat with top of the depth gauge tool sure to round off the front edge of the depth gauge Depth gauge tool des ek Remove until flat with tool Round off gt KT the edge 21 ac Top plate filing angle Side plate angle Properly filed cutters are shown as illustration 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 in it oil t AN 60 5 De Top plate cutting angle 0 64 mm 0 025 in he TT Parallel Depth gauge NOTE These angles are referred to as Oregon 3351 To sharpen other follow chain manufacturer s instru
3. and L Low Speed Needle needle adjustment limited that prevent settings outside acceptable limits 1 2 Before adjusting carburettor clean or replace air filter and muffler Spark Arrestor Screen Make sure the cutting attachments such as bar and chain are properly adjusted Start engine and run several minutes to bring to operating temperature Flash choke twice during warm up to clear any air from the fuel system Stop engine Turn H speed needle CCW to stop Turn L speed needle midway between full CW stop and CCW stop Idle Speed Adjustment e Start engine turn Idle speed adjustment screw CW clockwise until the saw chain begins to turn then turn screw out CCW counter clockwise until the saw chain stops turning Turn screw out CCW an additional 1 4 turn WARNING DANGER CUTTING ATTACHMENT MUST NOT TURN OR MOVE WHEN UNIT IS IDLING 6 Accelerate to full throttle for 2 3 seconds to clear any 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 Check idle speed and reset if necessary as described in item 5 If a tachometer is available idle speed should be set as specified in the Instruction Manual CAUTION When starting idling
4. with considerable force This is known as kick back Avoid it SEE INSTRUCTION MANUAL INSERT FOR INSTALLATION AND USE WITH THE KICK GUARD Direction of fall Secondcut j One third treg diameter 13 FALLING THE TREE A falling tree can seriously damage anything it may hit a car a house a fence a power line or another tree There are ways to make a tree fall where you want it so first decide where that is Before cutting clear the area around the tree You will need good footing while working and you should be able to work the saw without hitting any obstacles Next select a path of retreat When the tree begins to fall you should retreat away from the direction of fall at a 45 degree angle to avoid the trunk kicking back over the stump Begin the cut on the side to which the tree is to fall Cut a notch about 1 3 of the way into the tree The position of this notch is important since the tree will try to fall into the notch The felling out is made on the side opposite the notch and at a level about 5 cm 2 inch 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 inch 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 a
5. GUIDE BAR may be placed at the height of about 35 cm Rear handle should be gripped lightly with the right handle AUTOMATIC CHAIN BRAKE The automatic chain brake stops the operation of the saw chain in such a manner that kick back action produced at the end of the guide bar automatically actuates the chain brake To make sure that the automatic chain brake operates properly proceed as follows 1 Stop the engine of the chain saw 2 Operate the front and rear handles with hands grip them lightly so that the guide bar may be placed at the height of about 35 cm as shown in Fig 3 Softly detach the left hand from the front handle and touch the end of the guide bar against the wood or the like placed below so that the machine receives an impact At this time the rear handle should be gripped lightly with right hand 4 The impact is propagated to the brake lever which actuates the chain brake PRECAUTION 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 16 MAINTENANCE AND CARE T Idle adjusting screw AJ High speed needle I L Low speed needle CARBURETTOR ADJUSTMENT Every unit is run at the factory and the carburettor is set in compliance with California Emission Regulations In addition the carburettor is equipped with H High Speed Needle
6. THE BRAKE SHALL STOP THE CHAIN 0 12 SECONDS AT AN ENGINE SPEED OF 13 500 r min IT IS THE RESPONSIBILITY OF THE OWNER OPERATOR TO ENSURE THAT THE BRAKE IS SERVICED ADJUSTED AND TESTED STRICTLY ACCORDANCE WITH THE INSTRUCTIONS AS DETAILED HEREIN IN ORDER TO ENSURE THAT THE BRAKE PERFORMANCE IS MAINTAINED IN COMPLIANCE WITH THE STANDARD B 175 1 2000 PREPARATION FOR USE CAUTION e All adjustment should be made cold e Always wear gloves when working on chain MOUNTING GUIDE BAR AND CHAIN e Unscrew two nuts and remove clutch cover e Install the spiked bumper on the front of machine Use two bolts 5x12 Spiked bumper Mount bar and slide toward clutch to make saw chain installation easier e Install saw chain as shown Ensure cutters are pointing in the right direction e Install the clutch cover tighten nuts finger tight Ensure that chain tension adjuster fits into bar hole NOTE Ensure that the chain is installed with the cutters directed forward on the top of the bar ADJUSTMENT CHAIN TENSION e Hold the bar nose up and turn the adjuster clockwise until the chain fits snugly against the underside of the bar e Tighten both nuts with the bar nose held up Start the engine and run at low speed Stop and readjust if necessary FUEL AND LUBRICANT Ol Et 1 Gasoline 50
7. adjustment speed should be adjusted not to rotate the saw chain Correct idle speed is adjusted 2 900 to 3 100 r min Or 1 4 turn counter clockwise from the point the chain stops moving When there is some trouble with the carburettor refer to your distributor or dealer 17 AIR FILTER e Check before every use e Loosen cleaner cover knob and remove air cleaner cover and filter e Brush off dust lightly or clean with compressed air or replace the air filter e Reinstall filter and cover Cleaner cover knob Air cleaner cover Air filter cover OQO AU Cylinder cover CYLINDER FINS Check periodically e Clogged fins will result in poor engine cooling e Remove dirt and dust from between fins to let cooling air pass easily SPARK PLUG 0 65 mm 0 026 in gt e Check periodically e The standard spark gap is 0 65 mm 0 026 in e Correct the spark gap if it is wider or narrower than the standard gap e Fastening torque 15 17 130 to 145 in lb 18 Oil strainer Oil cap Adjusting screw Decrease Increase Cover Mark Direction to tension FUEL STRAINER e Check periodically e Do not allow dust to enter fuel tank e Clogged strainer will cause difficulty in starting engine or abnormalities in engine performance e Pull the fuel strainer out through fuel inlet port
8. part and repair if necessary Apply thin coating of oil on metal parts to prevent rust Remove chain and guide bar apply sufficient oil coating and wrap them up in plastic sheet Drain fuel tank pull starter slowly a few times to drain fuel from carburettor Pour a small amount of clean motor oil into spark plug hole pull starter and crank the engine until the TOP DEAD CENTER Store in a dry area free from dust AFTER USE WARNING DANGER DO NOT STORE IN ENCLOSURE WHERE FUEL FUMES MAY ACCUMULATE OR REACH AN OPEN FLAME OR SPARK NOTE For future reference you should keep this instruction manual CAUTION Do not lend and rent your chain saw without the Instruction manual Safety manual and Kick guard instruction TECHNICAL DATA CS 510 Dimension LxWxH mm 398 x252x 272 15 7 in x 9 9 in x 10 7 in Masses Power head dry kg 4 9 10 8 Ib Without chain and guide bar Engine Type Air cooled two stroke single cylinder Displacement mL cm8 49 3 3 00 cu in Carburettor Diaphragm type Magneto Flywheel magneto CDI system Spark plug CHAMPION 6 NGK BPM 8Y Starter Recoil starter Power transmission Automatic centrifugal clutch Fuel Mixture ratio 50 1 ratio with ECHO brand two stroke oil 89 octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Tank capacity L 0 60 20 3 US fl oz Oil B
9. thumbs and fingers encircling the chain saw handles A firm grip will help you reduce kickback and maintain control of the saw Don t let go 3 Make sure that the area in which you are cutting is free from obstructions Do not let the nose of the guide bar contact a log branch or any other obstruction which could be hit while you are operating the saw 4 Cut at high engine speeds 5 Do not overreach or cut above shoulder height 6 Follow manufacturer s sharpening and maintenance instructions for the saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent B Other Safety Precautions Do not operate a chain saw with one hand Serious injury to the operator helpers bystanders or any combination of these persons may result from one handed operation A chain saw is intended for two handed use 2 Do not operate a chain saw when you are fatigued 3 Use safety footwear snug fitting clothing and protective gloves Wear eye hearing and head protection devices 4 Use caution when handling fuel Move the chain saw at least 3 m 10 feet from the fueling point before starting the engine 5 Do not allow other persons to be near the chain saw when starting or cutting with the chain saw Keep bystanders and animals out of the work area 6 Do not start cutting until you have a clear work area secure footing anda planned retreat path from the falling tree
10. tripped by kick back reaction the chain will stop immediately release the throttle to avoid possible damage prevent to the engine or clutch Do not attempt to operate the engine with the brake engaged TESTING THE BRAKE e Start the engine on a solid level surface and run at a fast idle until warm e Hold the saw firmly by the handles and accelerate the engine to a fast idle e 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 CAUTION Do not allow the saw to tip forward in order to avoid damage to the chain If the chain does not stop immediately return the saw to your authorized ECHO deafer for repair NOTE e For practice while cutting a small tree push the lever forward to engage the brake Atall the time confirm whether the brake works properly before each work e lf the chain brake is clogged with wood chips function of the brake deteriorates a little Always keep the device clean Do not increase engine revolution while the chain brake is engaged e Chain brake is used in emergencies Do not use it unless absolutely necessary e When in use of throttle lock at starting keep the chain brake position And after starting the engine release the brake immediately e Never test the brake in an area where gasoline fumes are present END OF THE
11. 50 1 US METRIC GAS OIL GAS OIL Gal Fl oz L mL 1 2 6 4 80 2 5 1 8 160 5 12 8 20 400 FUEL STATEMENT GASOLINE Use 89 Octane 2 gasoline gasohol known to be good quality Gasohol may contain maximum 10 ethyl grain alcohol or 15 MTBE methylteriary butyl ether Gasohol containing methyl wood alcohol is not approved TWO STROKE OIL Use 50 1 two stroke ECHO oil only Engine problems due to inadequate lubrication caused by failure to use 50 1 ECHO oil will void the warranty on your ECHO product MIXING Mix oil and gasoline gasohol according to the instructions on the ECHO oil label IMPORTANT Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use CAUTION Whenever opening up the fuel tank always loosen the cap very slowly and wait for the tank pressure to be equalized before removing the cap CAP INDICATION Fuel oil tanks are indicated by the following illustrations 60 OIL TANK FUEL 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 e Use ECHO bar and chain oil of high quality for this purpose e Do not use used or reclaimed oi
12. UECHE INSTRUCTION MANUAL ECHO CHAIN SAW 5 510 WARNING DANGER READ INSTRUCTIONS CAREFULLY AND FOLLOW RULES FOR SAFE OPERATION FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY A warninc A The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm RULES FOR SAFE OPERATION A Kickback Safety Precautions for Chain Saw Users 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 along the top of the guide bar may push the guide bar rapidly back towards the operator Either of these reactions may cause you to lose control of the saw which could result in serious personal injury Do not rely exclusively upon the safety devices built into your saw As achain saw user you should take several steps to keep your cutting jobs free from accident or injury 1 With a basic understanding of kickback you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2 Keep a good firm grip on the saw with both hands the right hand on the rear handle and the left hand on the front handle when the engine is running Use a firm grip with
13. and pull starter handle Choke may be used if necessary but after first firing sound pull throttle trigger a little to release throttle locking and choke RUNNING e When engine starts keep idling for a few minutes e Pull throttle trigger gradually and increase revolution of the engine e The chain starts running when the engine reaches to 3 800 r min approximately e Confirm proper acceleration and lubrication of chain and bar STOPPING e Release throttle trigger and turn switch down STOP position NOTE When engine does not stop pull choke control knob out fully to stop engine Check and repair stop switch before starting the engine again CHECKING CHAIN TENSION Chain tension should be checked frequently during work and corrected of necessary e Tension the chain as tight as possible but so it can still be pulled easily along the bar by hand CAUTION Do not operate with a loose chain CHAIN LUBRICATION TEST Hold the chain just above a dry surface and open the throttle to half speed for 30 seconds A thin line of thrown oil should be seen on the dry surface 11 CUTTING INSTRUCTION GENERAL NOTE Read the ECHO CHAIN SAW SAFETY MANUAL included with your chain saw for additional cutting and safety instructions 12 In all circumstances the operation of the cha
14. applies to all U S Forest Service lands In some of these areas the spark arrestor system must be certified per USDA Forest Service Regulation SAE J 335 Check with your local or state authorities for specific regulations in your area Failure to follow these requirements is a violation of the law CORRECT USE OF CHAIN BRAKE Rotational kickback Reduced radius belongs on top Rotational kickback De am che 0 bi eue vas L on be CE MECHO gt e jas am an ag on gt Ay 2 7 44 Chain moving downward at impact WARNING DANGER KICKBACK SAFETY PRECAUTION FOR CHAIN SAW USERS KICKBACK MAY OCCUR WHEN THE NOSE 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 the required safety standard ECHO chain brakes have been designed and tested to comply with international safety standards as follows USA ANSI Standard B175 1 2000 Safety Requirement for chain saws Canada CSA Standard Z 62 1 Standard Z 62 3 CHAIN SAWS Liner kickback WARNING DANGER ANSI STANDARD B 175 1 2000 STIPULATES THAT
15. ar and chain ECHO bar and chain oil or motor oil Tank capacity L 0 28 9 5 US fl 2 Guide bar and See page 22 for Chain and Guide Bar saw chain Combination Lubrication Adjustable automatic oil pump Standard Front hand guard Rear hand guard features Anti vibration Spiked bumper Throttle control lockout Chain brake Chain catcher Spark arrestor muffler Kick guard Technical data subject to change without notice 25 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 750 001 75 0 750319 4400
16. cifications descriptions and illustrative material in this literature as accurate as known at the time of publication but are subject to change without notice Illustrations may include optional equipment and accessories and may not include all standard This symbol accompanied by the CAUTION words WARNING and DANGER The word CAUTION indicate a potentially calls attentions to an act or a hazardous situation if not avoided may result in condition which can lead to minor or moderate injury serious personal injury or death NOTE Circle and slash symbol means This enclosed message provides tips for use whatever is shown is prohibited care and maintenance of the unit ECHO INSTRUCTION MANUAL CHO CHAIN SAW cs 510 NOMENCLATURE HAVE PARTS MECHO MECHO SAR SARE Sk MANUAL 10 NOMENCLATURE HAVE PARTS Instruction manual Included with unit Read before operation and keep for future reference to learn proper safe operating techniques Installation and use KICK GUARD Describe how to install the kick guard and operate the saw with kick guard Safety manual Describe operating and safety instructions for this chain saw Front hand guard Guard between the front handle and the saw chain for protecting the hand from injuries and aiding in control of the chain saw if the hand slips off the handle This guard is
17. cover so as to allow warm air to flow in from front SNOW PROTECTOR Option Snow protector prevents that snow gets into the unit by fan cover in snow fall or laying snow Set the protector hook 2pcs to the fan cover Ensure that the setting direction is correct as shown Tighten two screws to fasten the snow protector CAUTION For operation at normal temperature return the plug to its original place and remove snow protector It causes over heating of the engine SERVICE GUIDE 2 gt 63 D 5 3 59 gt JE es 28 cr 5 z3 5015 5 59 MAINTENANCE PAGE S O sr Air Filter Clean e Replace 18 e Fuel Filter Clean Replace 19 e Spark Plug Clean e Replace 18 e Carburettor Check Rebuild e Replace 17 De Cooling System Inspect Clean 18 e Muffler Inspect Clean e Oil Filter Inspect Replace 19 e Sprocket Inspect Replace 20 e Starter Rope Inspect Replace e Guide Bar Inspect Clean 20 e Fuel System Inspect Repair e Screws Bolts amp Nuts Inspect Tighten Replace e Choke System Check 10 e Ignition System Clean Replace NO MAINTENANCE REOUIRED FOR COIL AND FLYWHEEL 1 Replacement will be required for commercial use IMPORTANT after 600 hours For consumer use cleaning every 6 months is Time intervals shown are max
18. ction CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended to the model CS 510 Guide Bar Saw chain Length ECHO Part No Pitch Type Links mm in Double Guard Intenz mm in 406 16 160336601 162336601 8 26 0 325 OREGON33SL 66 457 18 180337201 182337201 8 26 0 325 OREGON33SL 72 508 20 200337801 202337801 8 26 0 325 OREGON33SL 78 Standard configuration SAW CHAIN GUIDE BAR CAUTION Replacement guide bars The following guide bars may be considered to have equivalent kickback energy e Sprocket nose guide bars of the same length and nose radius same pitch and having the same number of teeth A hard nose guide bars of the same length and nose radius as a sprocket nose bar 22 Do not use replacement saw chain unless it has been designated as meeting the ANSI B 175 1 2000 kickback performance requirements NOTE LOW KICKBACK SAW CHAIN is the chain which has met the kickback performance requirements of ANSI B 175 1 2000 safety requirements for gasoline powered chain saws WINTER KIT Use the winter kit with chain saw to prevent a carburettor s trouble in winter season Air cleaner cover Installation of the kit is as follows e AIR CLEANER COVER Remove air cleaner cover Remove plug located inside of cover front and put the plug into another grooved position as shown in the illustration and mount
19. er equipment is not required If you experience discomfort redness swelling of the fingers followed by whitening and loss of feeling consult your physician before further exposing yourself to cold and vibration PERE DINE STRESS INJURY It is believed that overusing the muscles and tendons of the finger hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain to the areas just mentioned Certain repetitive hand activities may put you at a high risk for developing a repetitive stress injury RSI e An extreme RSI condition is Carpal Tunnel Syndrome CTS which could occur when your wrist swells and squeezes a vital nerve that runs through the area Some believe that prolonged exposure to vibration may contribute to CTS CTS can cause severe pain for months or even years To reduce the risk of RSI CTS do the following Avoid using your wrist in a bent extended 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 feet 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 HEARING PROTECTION Wear eye protection goggles that meet ANSI Z 87 1 requirements Goggles meeting the requiremen
20. imum required Actual use and your experience will determine Cleaning includes Rebuild kits the frequency of required maintenance 23 TROUBLE SHOOTING Problem Engine starts hard Cause Remedy does not start Engine Fuel at No fuel e Fuel strainer clogged e Clean Cranks carburettor at carburettor Fuel line clogged e Clean e Carburettor e Ask your ECHO dealer Fuel at No fuel at e Carburettor e Ask your ECHO dealer cylinder cylinder Muffler wet e Fuel mixture is too rich Open choke with fuel e Clean replace air filter e Adjust carburettor e Ask your ECHO dealer Spark at No spark at e Ignition switch off e Turn switch on endof gt endofplug e Electrical problem e Ask your ECHO dealer plug wire wire e Spark gap incorrect e Adjust 0 6 mm to 0 7 mm Spark at No spark at 0 024 to 0 028 in plug plug e Covered with carbon e Clean or replace e Fouled with fuel e Clean or replace e Spark plug defective e Replace plug Engine e Internal engine problem Ask your ECHO dealer does not crank Engine Dies or e Air filter dirty e Clean or replace runs accelerates poorly e Fuel filter dirty e Replace e Fuel vent blocked e Clean e Spark plug e Clean and adjust replace e Carburettor e Adjust e Cylinder fins blocked e Clean e Exhaust port port spark e Clean arrestor screen blocked 24 STORAGE Inspect and adjust every part of the chain saw Completely clean every
21. in saw is a one man job It is difficult at times to take care for your own safety so don t assume the responsibility for a helper as well After you have learned the basic techniques of using the saw 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 saw Start the engine see that it is running properly Squeeze the trigger to open the throttle wide open and start the cut If the chain is properly sharpened the cutting should be relatively effortless It is not necessary to press down hard to make the saw cut Pushing the saw too hard will slow the engine and cutting will actually be more difficult Some material may adversely affect the housings of your ECHO chain saw Example palm Tree Acid fertilizer etc To avoid housing deterioration carefully remove all packed sawdust around clutch and guide bar area and wash with water CAUTION Do not let the tip of the bar touch anything while the engine is running At cutting speed the chain is moving at a high rate of speed Should the tip contact a limb or log while the chain is moving the tip will be pushed upward
22. ken at the point where you 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 WARNING DANGER KICKBACK IS GENERATED WHEN THE ROTATION OF THE CHAIN IS ARRESTED FOR SOME REASON THE MOST DANGEROUS EFFECT OF THIS ACTION OCCURS WHEN THE NOSE OF THE BAR CONTACTS ANOTHER OBJECT THE CHAIN IS MOMENTARILY STOPPED AND ALL THE ENERGY OF ENGINE THROWS THE BAR UPWARDS AND BACKWARDS TOWARDS THE OPERATOR THE CHAIN SAW INDUSTRY AND GOVERNMENT AGENCIES HAVE 1 ATTEMPTED TO PRESCRIBE VARIOUS First cut SAFETY DEVICES BUT THE BEST PROTECTION IS TO AVOID KICKBACK COMPLY WITH THE SAFETY PRECAUTIONS AS LISTED ON PAGE 1 OF THIS MANUAL AND SAFETY MANUAL 14 Kickback motion Kickback Chain brake function When the lever is pushed forward chain brake instantly work to stop the chain Chain brake release When the lever is fully pulled toward the operator brake is released 15 CHAIN BRAKE OPERATION Set the lever the released position before starting to cut e lf the brake is
23. l to avoid various oiler problems e When refueling also refill chain oil OPERATION WHEN THE ENGINE IS COLD Fill the fuel tank with fuel Fill the chain oil tank with lubricant Press hand guard forward Chain brake ACTIVATED position Turn ignition switch upside RUN position Pull choke control knob all the way out Choke position CAUTION Make sure bar and chain are free from any obstruction when starting the saw Make sure guide bar and saw chain are not touching anything when starting the saw Securely hold the saw as shown and pull starter handle several times until first firing sound Push choke control knob all the way in Pull starter handle to start the engine When engine starts immediately pull throttle trigger up to release the latch then release throttle trigger CAUTION The chain will attempt to rotate when engine is started with throttle latch engaged After engine starts release throttle trigger to idle engine otherwise brake damage may occur Never use the latch for cutting Use it only when starting the engine 10 WHEN THE ENGINE IS WARM Confirm fuel and chain oil in the tanks e Press hand guard forward Chain brake ACTIVATED position Turn ignition switch upside RUN position Make sure guide bar and saw chain are not touching anything when starting the saw Securely hold the saw as shown
24. nd make your retreat quickly To fell big trees with a diameter exceeding twice the bar length start the notching cuts from one side and draw the saw through to the other side of the notch Start the back cut on one side of the tree pivoting the saw through to form the desired hinge on that side Then remove the saw for the second cut Insert the saw in the first cut very carefully so as not to cause kickback The final cut is made by drawing the saw forward in the cut to reach the hinge LIMBING Limbing a fallen tree is much the same as bucking Never limb on the tree that you are standing When limbing caution is the word Be careful of the tip touching other limbs Always use both hands CAUTION Wear suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises Don t cut with the saw overhead or the bar in a vertical position If the saw should kick back you may not have well enough control to prevent possible injury gt BUCKING Bucking is the sawing of a log or fallen tree into smaller pieces There are a few basic rules which apply to all bucking operations Keep both hands on the handles at all times 6 2 Support logs if possible When cutting on a slope or hillside always stand uphill Keep in mind that the wood is heavy and that it will bend and pinch the saw if improperly supported The trunk will wea
25. occur and could subsequently cause the flywheel to burst 18 When transporting your chain saw use the appropriate guide bar scabbard 19 Spark arrestor mufflers approved to SAE Standard J 335 are standard on ECHO chain saws to reduce the possibility of forest fires Do not operate the chain saw with a loose or defective muffler Do not remove the spark arrestor screen CONTENTS RULES FOR SAFE OPERATION 420546 ata 1 NOMENCLATURE HAVE PARTS ann nt nn anni 4 OPERATOR SAFETY 6 CORRECT USE OF CHAIN BRAKE 7 PREPARATION FOR USE 8 FUEL AND LUBRICANT 9 OPERATION issued a 10 CUTTING INSTRUCTION 12 MAINTENANCE AND GARE a 17 SET TING THE SAW CHAIN Rene 20 CHAIN AND GUIDE BAR 22 1 B eter mine a au 23 TROUBLE SHOOTING ranpa ii 24 STORAGE AFTER USE tials Whaat 25 25 e 25 Spe
26. rvice the chain brake Worn 0 5 mm 0 020 in SPROCKET The damaged sprocket will cause premature damage or wear of saw chain When the sprocket has worn out 0 5 mm 0 020 in or more replace it e Check sprocket when you install new chain Replace it if worn Groove GUIDE BAR e Clean before using Clean the groove of the guide bar with for example a small screwdriver Clean oil holes with a wire e Clean sprocket clutch and bar mount area before installation of bar SETTING THE SAW CHAIN eee tie strap Drive link Left hand cutter eg Top plate Tie n Oe Side plate Guard link v Depth guage Se 9 7 hand cutter Important points for proper maintenance of saw chain Keep the cutters sharp at all times e Keep the left and the 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 e Drive link serves to remove sawdust from the Sharpen lower edge groove of the guide bar Therefore keep the lower edge of the drive link indicated by the arrow sharp 20 SETTING SAW CHAIN e For setting saw chain round file 4 mm dia 5 32 bea inch and flat file are used Lee 25 e To keep correct position and correct angle lt this use the file holder Sure Sharp Round file
27. ts have the mark Z 87 stamped on them Wear hearing protection If this guideline is not followed hearing loss can occur The Occupational Health and Safety Act of 1970 OHSA requires the use of hearing protection if you use the unit more than two hours per day ECHO recommends wearing hearing protection at all times WEAR PROPER CLOTHING Snug fitting durable clothing should be worn Pants should have long legs DO NOT WEAR SHORTS Do not wear loose fitting clothing scarves neckties jewelry or any item that may become tangled in surrounding growth or the trimmer itself Wear shoes with non skid soles DO NOT wear open toed shoes or operate unit barefooted Wear no slip heavy duty work gloves to improve your grip on the trimmer handles The gloves also help reduce the transmission of machine vibration to your hands Special vibration reducing gloves such as ECHO s PRO COMFORT are designed to provide additional comfort 5 PARK ARRESTOR MUFFLER The spark arrestor muffler controls the exhaust noise and prevents hot glowing particles of carbon from leaving the muffler Make sure the spark arrestor screen is in good repair and properly seated in the muffler Certain internal combustion engines operated on forest brush and or grass covered areas in the states of Washington Oregon Idaho California Minnesota New Jersey and Maine are required to be equipped with a spark arrestor This requirement also
28. used to activate the chain brake which is to stop the saw chain rotation Air cleaner cover Covers air filter Rear handle for the right hand Support handle located towards the rear of the engine housing Choke control knob Device for enriching the fuel air mixture in the carburettor to aid cold starting Rear hand guard Extension on the lower part of the rear handle for protecting the hand from the chain if it breaks or degrooves Clutch cover Protective cover to the guide bar saw chain clutch and sprocket when the chain saw in use 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 ber during cutting 11 12 13 14 15 16 17 18 19 20 21 Guide bar The part that supports and guide the saw chain Bar tip guard Anti kickback device attached on the bar nose Saw chain Chain serving as a cutting tool Spiked bumper Device fitted in front of the guide bar mounting point acting as a pivot when in contact with a tree or log Front handle for the left hand Support handle located at the front of the engine housing Oil tank cap For closing the oil tank Fuel tank cap For closing the fuel tank Throttle trigger Device activated by the operator s finger for controlling the engine speed Throttle trigger lockout A safety lever
29. which must be depressed before the throttle trigger can be activated in order to prevents the accidental operation of the throttle trigger Ignition switch Device for connecting and disconnecting the ignition system and thus allowing the engine to be started or stopped Starter handle Pull handle slowly until starter engages then quickly and firmly When engine starts return handle slowly DO NOT let handle snap back or damage to unit will occur OPERATOR SAFETY HOT HUMID WEATHER Heavy protective clothing can increase operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late afternoon hours when temperatures are cooler AND COLD It is believed that a condition called Raynaud s Phenomenon which affects the fingers of certain individuals may be brought about by exposure to vibration and cold Exposure to vibration and cold may cause tingling and burning followed by loss of color and numbness in the fingers The following precautions are strongly recommended because the minimum exposure which might trigger the ailment is unknown e Keep your body warm especially the head and neck feet and ankles and hands and wrists e Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks and also by not smoking e Limit the number of hours of operation Try to fill each day with jobs where operating the chain saw or other hand held pow
30. with a piece of steel wire or the like e When the strainer is dirty replace it e When the inside of the fuel tank is dirty rinsing the tank out with gasoline can clean it OIL STRAINER e Check periodically Do not allow dust to enter into oil tank Clogged oil strainer will affect the normal lubricating system e Pull it out through oil filling hole with a piece of steel wire or the like lf the strainer is dirty wash it in gasoline or replace it e When the inside of the tank gets dirty rinsing the tank out with gasoline can clean it AUTOMATIC OILER e The discharge volume of the automatic oiler is adjusted to 4 mL min approx at 7 000 r min prior to shipment from factory To increase the delivery volume turn the adjusting screw counterclockwise When the screw touches stopper and stops this position indicates maximum discharge volume 13 to 14 mL min at 7 000 r min Do not turn the adjusting screw beyond the max or min limit of volume adjustment ADJUSTING THE CHAIN BRAKE When brake band is worn or elongated adjust the location of adjuster peak as follows Remove the clutch cover Remove the cover and side plate e Turn adjuster position to set its peak to the correct tensioning location e Ensure that clutch drum can be turned freely by hand when brake handle is in cutting position release position CAUTION ECHO recommends that an authorized ECHO servicing dealer should se
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