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STIHL 009

1. Wear an approved safety hard hat to protect your head Chainsaw noise may damage your hearing Always wear sound barriers ear plugs or ear mufflers to protect your hearing Continual and regular users should have their hearing checked regularly aces s THE SAW Parts of the chainsaw for illustrations and definitions of the parts see the chapter on Main Parts of Saw A Warning Never modify a chainsaw in any way Only attachments and parts supplied by STIHL or expressly approved by STIHL for use with the specific STIHL saw models are authorized Although certain unauthorized attachments are useable with the STIHL powerhead their use may in fact be extremely dangerous THE USE OF THE SAW Transporting the chainsaw A Warning Always stop the engine before putting a chainsaw down or carrying it Carrying a chainsaw with the engine running is extremely dangerous Accidental acceleration of the engine can cause the chain to rotate During operation the powerhead muffler and the material around it reach extremely high temperatures Avoid touching the hot muffler you could receive serious burns By hand When carrying your saw by hand the engine must be stopped and the saw must be in the proper position Grip the front handle and place the muffler away from the body 001BA115 KN The chain guard scabbard should be over the chain and the guide bar which should point backwards When carr
2. Always cut with a properly sharpened chain Reduced kickback bar STIHL green labeled reduced kickback bars are designed to reduce the risk of kickback injury when used with STIHL green labeled low kickback chains A Warning When used with other more aggressive chains these bars may be less effective in reducing kickback and may result in higher kickback forces Bow Guides A Warning Do not mount a bow guide on any STIHL chainsaw Any chainsaw equipped with a bow guide is potentially very dangerous The risk of kickback is increased with a bow guide because of the increased kickback contact area Low kickback chain will not significantly reduce the risk of kickback injury when used on a bow guide To avoid kickback The best protection from personal injury that may result from kickback is to avoid kickback situations 1 Hold the chainsaw firmly with both hands and maintain a secure grip 2 Be aware of the location of the guide bar nose at all times 3 Never let the nose of the guide bar contact any object Do not cut limbs with the nose of the guide bar Be especially careful when cutting small tough limbs small size brush and saplings which may easily catch the chain Don t overreach Don t cut above shoulder height Begin cutting and continue at full throttle 7 Cut only one log at a time 8 Use extreme caution when reentering a previous cut 9 Do not attempt to plunge cut if
3. ponents or with damaged or worn AV buffers will also tend to have higher vibration levels Maintain a firm grip at all times but do not squeeze the handles with constant excessive pressures Take frequent breaks All the above mentioned precautions do not guarantee that you will not sustain whitefinger disease or carpal tunnel syndrome Therefore continual and regular users should monitor closely the condition of their hands and fingers If any of the above symptoms appear seek medical advice immediately Proper Clothing A Warning To reduce the risk of injury the operator should wear proper protective apparel Clothing must be sturdy and snug fitting but allow complete freedom of movement Avoid loose fitting jackets scarfs neckties jewelry flared or cuffed pants unconfined long hair or anything that could become entangled with the saw or brush Wear overalls or jeans with a reinforced cut retardant insert or cut retardant chaps Protect your hands with gloves when handling saw and saw chain Heavyduty nonslip gloves improve your grip and protect your hands Good footing is most important in chainsaw work Wear sturdy boots with nonslip soles Steel toed safety boots are recommended K To reduce the risk of injury to your eyes never operate a chainsaw unless wearing goggles or properly fitted safety glasses with adequate top and side protection complying with your national standard
4. the depth gauge end of each cutter Use only special saw chain sharpening files Other files have the wrong shape and cut Select file diameter according to chain pitch see table Sharpening Tools at the end of this chapter You must observe certain angles when resharpening the chain cutter 689BA021 KN A Filing angle B Side plate angle Chain type Angle A B Rapid Micro RM 30 85 Rapid Super RS 30 60 Picco Micro PM PMN 30 85 Cutter shapes Micro Semi chisel Super Full chisel The specified angles A and B are obtained automatically if recommended files or sharpening tools and correct settings are used Furthermore the angles must be the same on all cutters If angles are uneven Chain will run roughly not in a straight line wear quickly and finally break zZ x ire A e L ao a As these requirements can be met only after sufficient and constant practice Usea file holder A file holder must be used for manual resharpening of Super chain The correct filing angle is marked on the file holder Special Accessory 85 70 ho9 U a0 HEDE 689BA022 KN For checking angles STIHL filing gauge see table A universal tool for checking the filing and side plate angles depth gauge setting and cutter length Also cleans the guide bar groove and oil inlet hole Special Accessory 689BA018 KN File correctly If y
5. Use safety footwear snug fitting clothing protective gloves and eye hearing and head protection devices continued on the back inside cover Contents Parts of the Chain Saw Safety Precautions The Operator The Saw The Use of the Saw Maintenance Repair and Storing Mounting the Bar and Chain Fuel Fueling Chain Lubricant Fill Chain Lubricant Chain Brake During Break in Period During Operation After Finishing Work Starting Guide Bar Chain and Sprocket Troubleshooting on Chain Oiling System Air Filter Printed on chlorine free paper Andreas Stihl AG amp Co KG 2004 0458 125 3021 M2 F4 PM Printed in USA OoOoAR AD 25 28 29 29 30 31 31 31 32 37 38 Adjusting Carburetor Motor Management Checking Spark Plug Replacing the Chain Sprocket Maintaining and Sharpening Saw Chain Maintenance Chart Specifications Ordering Spare Parts Storing the Machine STIHL Incorporated Federal and California Emission Control Systems Utility Engines 39 40 41 42 46 47 48 48 49 This Manual contains operating and safety instructions for all STIHL 009 series power saws Pay special attention to the safety precautions outlined on pages 4 to 24 Allow only persons who understand this Manual to operate your chain saw To receive maximum performance and satisfaction from your STIHL chain saw it is important that you read and under stand the maintenance and safety
6. and hold the cutting attachment over a light patch of ground Take care the Oilomatic chain must not touch the ground hold it at least 20 cm 8 in clear of the ground Run the engine at about half throttle If an increasing film of oil can be seen on the ground chain lubrication is operating correctly If this is not the case refer to Trouble shooting on Chain Oiling System 35 36 Chain Tension Apart from chain lubrication chain tension is the factor that has the greatest influence of the cutting attachment s useful life It is therefore necessary to check chain tension before starting work and at regular short intervals during cutting work Chain tension is correct in the cold condition when the chain fits snugly against the underside of the bar and can still be pulled along the bar by hand wear gloves As it warms up to normal operating temperature the chain expands and sags noticeably The saw chain must be retensioned when the drive links begin to come out of the groove on the underside of the bar If this is not done there is a risk of the chain jumping off the bar If the chain is retensioned during cutting work it must always be slackened off again after finishing work This is neces sary because high contraction stresses would otherwise occur as the chain cools down to ambient temperature especially at extremely low outside temperatures and cause damage to the crankshaft and bearings A new chain must be
7. has fired or after three or four pulls on the starter rope and the engine still refuses to start you can assume that the combustion chamber is already flooded In such a case remove and dry off the spark plug With the spark plug still removed and the stop switch on t clear the combus tion chamber by cranking the engine several times on the starter When you now try to start move the choke lever away from and set the throttle trigger to the start position The stop switch should again be moved away from t In very cold weather only open the choke partially after the engine begins to fire move choke lever to about the center position Allow engine to warm up for a brief period with the throttle in the start position Then move choke lever com pletely away from and disengage the starting throttle lock A new engine or one which has been run until the fuel tank is dry will not start first time after fueling because the fuel pump only begins to deliver sufficient fuel of the carburetor after the engine has been turned over a few times on the starter Guide Bar Chain and Sprocket Guide Bar The nose and underside of the guide bar are subject to a particularly high rate of wear To avoid one sided wear turn the bar over every time you resharpen or preplace the chain Regular cleaning of the oil inlet holes and guide bar groove is also important The bar can be examined for signs of wear at the same time A minimum bar gr
8. inertia 3 Oilomatic Saw Chain A loop consisting of cutters tie straps and drive links 4 Guide Bar Supports and guides the saw chain 5 Chain Tensioner Permits precise adjustment of chain tension 6 Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar 7 Chain Sprocket The toothed wheel that drives the saw chain 8 Chain Sprocket Cover Covers the clutch and the sprocket 9 Bumper Spike Toothed stop for holding saw steady against wood 10 11 12 13 14 15 16 17 18 19 Muffler Reduces engine exhaust noise and directs the exhaust gases Choke control A control used when starting cold engine Rear Hand Guard Gives added protection to operator s right hand Starter Grip The grip of the starter for starting the engine Oil Filler Cap For closing the oil tank Fuel Filler Cap For closing the fuel tank Starting Throttle Lock Keeps the throttle partually open during starting Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated Throttle Trigger Controls the speed of the engine Stop Switch Switches the engine s ignition system off and stops the engine Front Handle Handle bar for the left hand at front of saw Front Hand Guard Provides protection against projecting branches and helps prevent the left hand from touching the chai
9. injury They are available from your STIHL dealer A Warning Even if your saw is equipped with a Quickstop a reduced kickback bar and or low kickback chain this does not eliminate the risk of injury by kickback Therefore always observe all safety precautions to avoid kickback situations 15 Low kickback chain Some types of saw chain have specially designed components to reduce the force of nose contact kickback STIHL has developed low kickback chain for your powerhead Low kickback saw chain is a chain which has met the kickback performance requirements of 5 11 2 4 of ANSI B 175 1 2000 Safety Require ments for Gasoline Powered Chain Saws when tested in its original condition on a selected repre sentative sample of chainsaws below 3 8 cubic inch displacement specified in ANSI B 175 1 2000 A Warning There are potential powerhead and bar combinations with which low kickback saw chains can be used which have not been specifically certified to comply with the 45 computer derived kickback angle of 5 11 of ANSI B 175 1 2000 Some low kickback chains have not been tested with all powerhead and bar combinations Warning A dull or improperly sharpened chain may reduce or negate the effects of the design features intended to reduce 16 kickback energy Improper lowering or sharpening of the depth gauges or shaping of the cutters may increase the chance and the potential energy of a kickback
10. low speed screw L Engine stops while idling Turn the idle speed adjusting screw LA clockwise until chain begins to run then back off the screw one quarter of a turn Chain runs when engine is idling Turn the idle speed adjusting screw LA counterclockwise until chain stops running then turn screw another quarter turn in the same direction Erratic idling behaviour poor acceleration Idle setting is too lean Turn the low speed adjusting screw L counterclockwise until engine runs and accelerates smoothly 39 Checking Spark Plug z x o lt a Wrong fuel mix too much engine oil in the gasoline a dirty air filter and unfavorable running conditions mostly at part throttle etc affect the condition of the spark plug These factors cause deposits to form on the insulator nose which may result in trouble in operation If engine is down on power difficult to start or runs poorly at idling speed first check the spark plug Remove spark plug see chapter Starting Clean dirty spark plug Check electrode gap it should be 0 5mm 0 02 A readjust if necessary 40 Use only resistor type spark plugs of the approved range Rectify problems which have caused fouling of spark plug Incorrect carburetor setting too much oil in fuel mix dirty air filter unfavorable running conditions e g operating at part load Fit anew spark pl
11. may be hoses and connectors and other emission related assemblies Where a warrantable condition exists STIHL Incorporated will repair your small off road equipment engine at no cost to you including diagnosis if the diagnostic work is performed at an authorized dealer parts and labor Manufacturer s Warranty Coverage The small off road equipment engines are warranted for two years in California In other states 1997 and later model year small off road equipment engines are also warranted for two years If any emission related part on your engine is defective the part will be repaired or replaced by STIHL Incorporated free of charge Owner s Warranty Responsibilities As the small off road equipment engine owner you are responsible for the per formance of the required maintenance listed in your owner s manual STIHL Incorporated recommends that you retain all receipts covering maintenance on your small off road equipment engine but STIHL Incorporated cannot deny warranty solely for the lack of receipts or for your failure to ensure the perform ance of all scheduled maintenance Any replacement part or service that is equivalent in performance and durability may be used in non warranty mainten ance or repairs and shall not reduce the warranty obligations of the engine manufacturer As the small off road equipment engine owner you should be aware however that STIHL Incorporated may deny you warranty cov
12. slope stand on the uphill side of the log Watch out for rolling logs 001BA051 LA Cut only one log at a time Shattered wood should be cut very carefully Sharp slivers of wood may be caught and flung in the direction of the operator of the saw When cutting small logs place log through V shaped supports on top of a sawhorse Never permit another person to hold the log Never hold the log with your leg or foot 001BA050 LA Logs under strain Risk of pinching Always start relieving cut 1 at compression side A Then make bucking cut 2 at tension side B If the saw pinches stop the engine and remove it from the log Only properly trained professionals should work in an area where the logs limbs and roots are tangled Working in blowdown areas is extremely hazardous Drag the logs into a clear area before cutting Pull out exposed and cleared logs first MAINTENANCE REPAIR AND STORING Maintenance replacement or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual However if you claim warranty for a component which has not been serviced or maintained pro perly or if nonapproved replacement parts were used STIHL may deny warranty Never operate a chainsaw that is damaged improperly adjusted or not completely or securely assembled Follow the maintenance and repair instructions in the a
13. springs 5 retainers 6 and clutch carrier 7 for cracks If any damage is found replace the parts concerned LG Only original STIHL chain sprockets may be installed CY Reverse the above sequence to refit the parts Take care to ensure that the clutch shoes and retainers are correctly positioned Securely tighten down the clutch again 125BA030 LA Remove the locking srew refit and tighten down the spark plug Fit the spark plug connector Maintaining and Sharpening Saw Chain Correctly sharpened chain A properly sharpened chain slices through wood effortlessly and requires very little feed pressure Do not work with a dull or damaged chain as it will increase the physical effort required produce unsatisfactory results and a higher rate of wear Clean and check your chain for cracks in the links and damaged rivets replace any damaged or worn parts of the chain and match the new parts to the shape and size of the original parts A It is absolutely essential to comply with the angles and dimensions specified below If the saw chain is incorrectly sharpened and in particular if the depth gauge is set too low there is a risk of increased kickback of the chainsaw with resulting risk of injury Select sharpening tools according to chain pitch See Specifications for permissible chain pitches 42 Zz x A e T a D The chain pitch e g 3 3 is marked on
14. the bar and the operator to ensure that the Quickstop has sufficient time to activate and stop the chain before potential contact with the operator A Warning An improperly maintained chain brake may increase the time needed to stop the chain after activation or may not activate at all Warning Never run the chainsaw above idle speed for more than 3 seconds when the chain brake is engaged or the chain is pinched or otherwise caught in the cut Clutch slippage can cause excessive heat leading to severe damage of the motor housing clutch and oiler compo nent and may interfere with the operation of the chain brake If clutch slippage in excess of 3 seconds has occured allow the motor housing to cool before pro ceeding and check the operation of your chain brake as described in the chapter entitled Chain Brake Also make sure that the chain is not turning at idle speed see above Important Adjustments Low kickback saw chain and reduced kickback bars STIHL offers a variety of bars and chains STIHL reduced kickback bars and low kickback chains are designed to reduce the risk of kickback injury Other chains are designed to obtain higher cut ting efficiency or sharpening ease but may result in higher kickback tendency STIHL has developed a color code system to help you identify the STIHL reduced kickback bars and low kick back chains Cutting attachments with green warning decals or green labels on th
15. tree that has a diameter greater than the length of the guide bar requires use of either the sectioning felling cut or plunge cut method These methods are extremely dangerous because they involve the use of the nose of the guide bar and can result in kickback Only properly trained professionals should attempt these techniques Sectioning method For the sectioning method make the first part of the felling cut with the guide bar fanning in toward the hinge Then using the bumper spike as a pivot reposition the saw for the next cut 001BA048 LA Avoid repositioning the saw more than necessary When repositioning for the next cut keep the guide bar fully engaged in the kerf to keep the felling cut straight If the saw begins to pinch insert a wedge to open the cut On the last cut do not cut the hinge Plunge cut method Timber having a diameter more than twice the length of the guide bar requires the use of the plunge cut method before making the felling cut 21 Gad An D is lt a First cut a large wide felling notch Make a plunge cut in the center of the notch The plunge cut is made with the guide bar nose Begin the plunge cut by applying the lower portion of the guide bar nose to the tree at an angle Cut until the depth of the kerf is about the same as the width of the guide bar Next align the saw in the direction in which the recess is to be cut With the saw at full thrott
16. your saw make sure you have a firm foot hold and check that the saw chain is not touching the ground or any other obstacles Bystanders must be kept well clear of the general work area of the saw Starting procedure 1 Engage the chain brake by pushing the hand guard 1 towards the bar nose 2 Move stop switch 2 away from Z 3 If engine is cold move choke slide 3 to Z This also applies if the engine has been running but is still cold If engine is warm move choke slide away from 4 Set throttle trigger 4 to start position by pressing the safety throttle lock 5 throttle trigger 4 and starting throttle lock 6 in that order Then let go of throttle trigger 4 first and then the starting throttle lock 6 125BA013 LA 125BA014 LA lt x ad o So lt a e N Starting saw between legs 5 1 5 2 125BA017 LA You can hold the saw in one of two ways for starting Saw between legs Hold the rear handle tightly between your legs just above the knees Grip the front handle 7 securely with your left hand Saw on ground Hold the saw firmly on the ground with your left hand on the front handle 7 Pull starter grip 8 slowly with your right hand until you feel the starter engage and then give it a quick strong pull Do not pull out starter rope more than 70 cm 27 5 in as it might otherwise break Do not allow starter grip 8 to snap back Guide it back slowly so that starter r
17. 0 08142523356 5605 007 1027 0 325 8 25 4 8 Che 5605 772 4806 56057504328 11108934000 0814 252 3356 5605 007 1028 of 9 32 5 2 lea 5605 772 5206 5605 750 4329 11108934000 0814 252 3356 5605 007 1029 0 404 10 26 5 5 7 32 5605 772 5506 5605 7504330 11068934000 08142523356 5605 007 1030 1 consisting of file holder with round file flat file and filing gauge 45 Maintenance Chart Please note that the following maintenance intervals apply for normal operating conditions only If your daily working time is longer than normal or cutting conditions are difficult Muffler very dusty work area tropical wood etc shorten the specified intervals accordingly 2 Z g 3 23 _ o2 25 32 gt zla 2 3 2 Sei a aS 8 s S 2 g S5 aziat z E 8 2 Complete machine Visual inspection condition leaks x X Clean Throttle trigger throttle trigger interlock Master Control depending on model Check operation x Xx Check operation 30 Rhain brake Clean by STIHL dealer 30 Check 29 Filter in fuel tank Clean replace filterelement 29 Replace pick up body Fuel tank Clean 28 Chain oil tank Clean Chain lubrication Check 35 Inspect also check sharpness x Saw chain Check chain tension 36 Sharpen 42 Check wear damage 35 Guide bar Clean and turn over Deburr Replace Chain sprocket Check 36 Air filter Clean Sai Replace Cooling inlets Clean Cylinde
18. STIHL Occasional User Saw STIHL 009 Instruction Manual Read and follow all safety precautions in Instruction Manual improper use can cause serious or fatal injury STIHL SLO aT IE ge Some Important Safety Precautions for Chain Saw Users A A Summary of Warnings on kickback and other Selected Risks Taken Primarily from ANSI B 175 1 See also Safety Precautions section of this Owner s Manual Z 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 Section 5 11 of ANSI B 175 1 2000 sets certain performance and design criteria related to chainsaw kickback STIHL has developed a color code system using green and yellow to help you select a powerhead bar and chain combination that complies with the kickback requirements of the ANSI Standard See the sections entitled Safety Precautions and Specifications of this manual Do not rely exclusively upon the safety devices built into your saw As a chainsaw user you should take several steps to
19. Some STIHL bar and chain types are designed to reduce kickback forces STIHL recommends the use of reduced kickback bars and low kickback chains ANSI B 175 1 1991 chainsaw kickback standard Section 5 11 of ANSI standard B 175 1 2000 sets certain performance and design criteria related to chainsaw kickback To comply with section 5 11 of ANSI B 175 1 2000 a saws with a displacement of less than 3 8 cubic inches must in their original condition meet a 45 computer derived kickback angle when equipped with certain cutting attachments and must be equipped with at least two devices to reduce the risk of kickback injury such as a chain brake low kickback chain reduced kickback bar etc b saws with a displacement of 3 8 cubic inches and above must be equipped with at least one device designed to reduce the risk of kickback injury such as a chain brake low kickback chain reduced kickback bar etc The computer derived angles for saws below 3 8 cubic inch displacement are measured by applying a computer program to test results from a kickback test machine A Warning The computer derived angles of 5 11 of ANSI B 175 1 2000 may bear no rela tionship to actual kickback bar rotation angles that may occur in real life cutting situations In addition features designed to reduce kickback injuries may lose some of their effectiveness when they are no longer in their original condition especiall
20. ailable for installation on most older STIHL saws Ask your dealer to retrofit your older model saw with a chain brake 14 3 Koj ise fo lt a 3 When a kickback occurs the guide bar may rotate around the front handle If the cutting position is such that the operator s left hand is gripping the front handle behind the hand guard and if the left hand rotates around the front handle and makes a sufficiently forceful contact with the front hand guard which is the Quick stop activating lever this contact will activate the Quickstop The chain brake on most new model STIHL chainsaws can also be activated by inertia See the chapter entitled Chain Brake of your Owner s Manual A Warning Never operate your chainsaw without a front hand guard In a kickback situation this guard helps protect your left hand or other parts of your body In addition removal of the hand guard on a saw equipped with a chain brake will deactivate the chain brake A Warning No Quickstop or other chain brake device prevents kickback These devices are designed to reduce the risk of kickback injury if activated in certain kickback situations In order for the Quickstop to reduce the risk of kickback injury it must be properly maintained and in good working order See the chapter entitled Chain Brake and Maintenance Repair and Storing of your Owner s Manual In addition there must be enough distance between
21. anted part which is not scheduled for replacement as required maintenance or which is scheduled only for regular inspection to the effect of repair or replace as necessary will be warranted for the warranty period Any warranted part which is scheduled for replacement as required mainten ance will be warranted for the period of time up to the first scheduled replace ment point for that part Diagnosis You as the owner shall not be charged for diagnostic labor which leads to the determination that a warranted part is defective However if you claim warranty for a component and the machine is tested as non defective STIHL Incorporated will charge you for the cost of the emission test Mechanical diagnostic work will be performed at an authorized STIHL servicing dealer Emission test may be performed either at STIHL Incorporated or at any independent test laboratory 50 Warranty Work STIHL Incorporated shall remedy war ranty defects at any authorized STIHL servicing dealer or warranty station Any such work shall be free of charge to the owner if it is determined that a warranted part is defective Any manufacturer approved or equivalent replacement part may be used for any warranty mainten ance or repairs on emission related parts and must be provided without charge to the owner STIHL Incorporated is liable for damages to other engine components caused by the failure of a warranted part still under warranty The Ca
22. ater cooled mix oils Take care when handling gasoline Avoid direct contact with the skin and avoid inhaling fuel vapour see Safety Precautions The canister should be kept tightly closed in order to avoid any moisture getting into the mixture The fuel tank and the canister in which fuel mix is stored should be cleaned from time to time Fuel mix ages Only mix sufficient fuel for a few days work not to exceed 3 months of storage Store in approved safety fuel canisters only When mixing pour oil into the canister first and then add gasoline Gaso Oil STIHL 50 1 or line equivalent branded TC oils US gal US fl oz 1 2 6 2 1 2 6 4 5 12 8 Dispose empty mixing oil canisters only at authorized disposal locations Fueling Before fueling clean the fuel filler cap and the area around it to ensure that no dirt falls into the tank Always thoroughly shake the mixture in the canister before fueling your machine Warning In order to reduce the risk of burns or other personal injury from escaping gas vapor and fumes remove the fuel filler cap carefully so as to allow any pressure build up in the tank to release slowly Warning After fueling tighten fuel cap as securely as possible by hand Use a suitable tool e g screwdriver end of combination wrench to tighten slotted fuel caps Change the fuel pick up body eve
23. ave a Quickstop model the chain brake must be disenga ged before you remove the sprocket cover by pulling the hand guard toward the front handle 125BA002 LA Now back off the tensioning nut 4 by turning the tensioning screw 5 counterclockwise until the end of its thread is level with the tensioning nut Locate the slot of the guide bar over the stud bolt 6 and push it at an angle between the clutch drum of the sprocket 7 and the peg of the tensioning nut 4 until the stud bolt 6 is at the forward end of the slot To protect yourself from being injured by the sharp cutting edges you should always wear gloves when fitting the saw chain and guide bar or tensioning and checking the chain 125BA003 LA 26 Locating the guide bar lt a t i lt a o N 2 Starting at the chain sprocket 7 place the Oilomatic chain on the guide bar so that the cutting edges on the top of the bar point toward the bar nose 8 Now pull the guide bar forwards until the peg of the tensioning nut 4 engages the lower fixing hole 9 The bar should now fit against the housing Now tension the chain by turning the tensioning screw 5 clockwise until the chain sags only slightly at the bottom of the bar Make sure that the drive link tangs 10 are located in the bar groove Refit the sprocket cover 3 making sure that the rear of the sprocket cover locates in the housing seat below the rear handle as you push it ove
24. chemicals known to the State of California to cause cancer birth defects or other reproductive harm 0458 125 3021 englisch English USA CARB EPA
25. d or missing catcher Inspect buffers periodically Replace damaged broken or excessively worn buffers immediately since they may result in loss of control of the saw A sponginess in the feel of the saw increased vibration or increased bottoming during normal operation may indicate damage breakage or excessive wear Buffers should always be replaced in sets If you have any questions as to whether the buffers should be replaced consult your STIHL servicing dealer A Warning Take extreme care in wet and freezing weather rain snow ice Put off the work when the weather is windy stormy or rainfall is heavy A Warning Avoid stumbling on obstacles such as stumps roots or rocks and watch out for holes or ditches Clear the area where you are working Be extremely cautious when working on slopes or uneven ground There is increased danger of slipping on freshly debarked logs A Warning To reduce the risk of serious or fatal injury to the opera tor or bystanders never use the saw with one hand You cannot control reactive forces and you may lose control of the saw which can result in the skating or bouncing of the bar and chain along the limb or log Even for those compact saws designed for use in confined spaces one handed operation is dangerous because the operator may lose control Cutting Instructions Grip Always hold the saw firmly with both hands when the engine is running P
26. derside of the filter element It follows that only the underside of the element becomes dirty It is therefore necessary to remove the element and turn it over to check its condition To clean the element first knock it out on the palm of your hand and then wash it in non flammable cleaning solution warm soapy water and blow out with compressed air if possible It is best to carry a spare filter with you at all times The element must be replaced immediately if the felt shows any signs of damage tears holes Top Unscrewing the flat head screw Bottom Filter cover removed ee l N O lt Q e N 125BA027 LA Refit the air filter by reversing the above sequence When placing the filter cover in position make sure the lugs engage in the recesses in the crankcase Also make sure that the choke valve 3 in the filter cover is in good condition Adjusting Carburetor Motor Management Exhaust emissions are controlled by the design of the fundamental engine parameters and components e g carburetion ignition timing and valve or port timing without the addition of any major hardware Check the air filter and clean it if necessary Warm up the engine Turn screws only very slightly and carefully even minor changes have a noticeable effect on the engine s running behavior It is usually necessary to change the setting of the idle speed adjusting screw LA after every correction to the
27. e utility company or railway authority before beginning to cut Warning The noise of your engine may drown any warning call Warning There are a number of factors that may affect and change the intended direction of fall e g wind lean of tree sloping ground one sided limb structure wood structure decay snow load etc To re duce the risk of severe or fatal injury to yourself or others look for these condi tions prior to beginning the cut and be alert for a change in direction during fall 18 3 o t fo lt a Q Escape path First clear the tree base and work area from interfering limbs and brush and clean its lower portion with an ax Then establish two paths of escape B and remove all obstacles These paths should be generally opposite to the plan ned direction of the fall of the tree A and about at a 45 angle Place all tools and equipment a safe distance away from the tree but not on the escape paths ih I I Mey Buttress roots If the tree has large buttress roots cut into the largest buttress vertically first horizontally next and remove the resulting piece 001BA041 LA 001BA019 KN Gunning sight When making the felling notch use the gunning sight on the shroud and housing to check the required direction of fall Position the saw so that the gunning sight points exactly in the direction you want the tree to fall re ag K Conve
28. e packaging are designed to reduce the risk of kickback injury The matching of green decaled powerheads under 3 8 cubic inch displacement with green labeled bars and green labeled chains gives compliance with the computed kickback angle requirements of ANSI B 175 1 1991 when the products are in their original condition Products with yellow decals or labels are for users with extraordinary cutting needs and experience and specialized training for dealing with kickback STIHL recommends the use of its green labeled reduced kickback bars green labeled low kickback chains and a STIHL Quickstop chain brake for both experienced and inexpe rienced chainsaw users Please ask your STIHL dealer to properly match your powerhead with the appro priate bar chain combinations to reduce the risk of kickback injury Green labeled bars and chains are recommended for all powerheads See your STIHL Bar and Chain Information leaflet for details A Warning Use of other non listed bar chain combi nations may increase kickback forces and increase the risk of kickback injury New bar chain combinations may be developed after publication of this litera ture which will in combination with certain powerheads comply with 5 11 of ANSI B 175 1 2000 Check with your STIHL dealer for such combinations A Warning Reduced kickback bars and low kickback chains do not prevent kickback but they are designed to reduce the risk of kick back
29. els may have different fuel caps Cap with Grip Warning In order to reduce the risk of fuel spillage and fire from an improperly tightened fuel cap correctly position and tighten the fuel cap in the fuel tank opening 5 To do this with this STIHL cap raise the grip on the top of the cap until it is up right at a 90 angle Insert the cap and the fuel tank opening with the triangular marks on the grip of the cap and on the fuel tank opening lining up Using the grip turn the cap firmly clockwise as far as it will go approx a quarter turn N Fold the grip flush with the top of the cap If the grip does not lie completely flush with the cap and the detent on the grip does not fit in the cor responding recess in the filler neck the cap is not properly seated and tightened and you must repeat the above steps Slotted Cap Warning Unit vibrations can cause an improperly tightened fuel filler cap to loosen or come off and spill quantities of fuel In order to reduce the risk of fuel spillage and fire tighten fuel filler cap by hand with as much force as possible The screwdriver end of the y STIHL combination wrench AN or other similar tool can be used as an aid in tightening slotted fuel filler caps See Fueling chapter in your Owner s Manual z N o S S Starting The chain brake must be engaged when starting the saw Warning Your chainsaw is a one person saw Do not allow
30. epairs After adjusting a chain start the saw let the engine run for a while then switch engine off and recheck chain tension Proper chain tension is very important at all times Working Conditions Operate the chainsaw under good visibility and daylight conditions only Warning Your chainsaw produces poisonous exhaust fumes as soon as the combustible engine is running These gases e g carbon monoxide may be colorless and odor less To reduce the risk of serious or fatal injury from breathing toxic fumes never run the chainsaw indoors or in poorly ventilated locations Ensure proper venti lation when working in trenches or other confined areas A Warning Use of this product including sharpen ing the saw chain can generate dust mists and fumes containing chemicals known to cause respiratory disease can cer birth defects or other reproductive harm If you are unfamiliar with the risks associated with the particular dust mist or fume at issue consult your employer governmental agencies such as OSHA and NIOSH and other sources on hazardous materials California and some other authorities for instance have published lists of substances known to cause cancer reproductive toxicity etc Control dust such as sawdust mists such as oil mist from chain lubrication and fumes at the source where possible In this regard use good work practices and follow the recommendations of OSHA NIOSH and occupa
31. erage if your small off road equipment engine or a part has failed due to abuse neglect improper mainten ance or unapproved modifications You are responsible for presenting your small off road equipment engine to a STIHL service center as soon as a problem exists The warranty repairs will be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights and responsibilities please contact a STIHL customer service representative at 1 800 467 8445 or you can write to STIHL Inc 536 Viking Drive P O Box 2015 Virginia Beach VA 23450 2015 Coverage by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent purchaser that your small off road equipment engine will be designed built and equipped at the time of sale to meet all applicable regulations STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your engine is free from defects in materials and workmanship which cause the engine to fail to conform with applicable regulations for a period of two years 49 Warranty Period The warranty periods will begin on the date the utility equipment engine is purchased by the initial purchaser and you have signed and sent back the warranty card to STIHL If any emission related part on your engine is defective the part will be replaced by STIHL Incorporated at no cost to the owner Any warr
32. ew chain has to be retensioned more often than one that has been in use for some time Chain cold Tension is correct when chain fits snugly against the underside of the bar and can still be pulled along the bar by hand Retension if necessary see section Tensioning the Saw Chain Chain at operating temperature The chain stretches and begins to sag The drive links must not come out of the bar groove the chain may otherwise jump off the bar Retension the chain see section Tensioning the Saw Chain Always slacken off the chain after finishing work The chain contracts as it cools down If it is not slackened off it can damage the crankshaft and bearings After long period of full throttle operation Allow engine to run for a short while at idling speed so that engine heat can be dissipated by flow of cooling air This protects engine mounted compo nents ignition carburetor from thermal overload After Finishing Work Slacken off the chain if you have retensioned it at operating temperature during cutting work The chain contracts as it cools down If it is not slackened off it could damage the crankshaft and bearings Before storing your saw for a long period See chapter Storing the Chain Saw 31 32 Starting Top Stop switch away from t Center Choke slide on cold start Chain brake engaged Bottom Starting throttle position 125BA012 LA Before starting
33. ews 2 and withdraw the oil pump If the oil pump is stuck use a screwdriver to carefully pry it away from the crankcase Pull off the hose 3 and remove the polymere disc 4 Take the filter 5 off the stub Now pull the cover 6 off the pump housing making sure that the diaphragm 7 does not stick to the cover and tear Take the plunger and diaphragm 7 out of the pump housing and remove the two gaskets 9 10 Note the spring 8 between the pump housing and diaphragm It must not be lost Carefully wash the pump housing cover plunger with dia phragm and the filter in clean gasoline Thoroughly clean the gaskets and flange faces on the crankcase Reassemble the pump by reversing the above sequence Coat the plunger with a little lubricating oil before refitting 37 38 Air Filter The air filter s function is to hold back dust and dirt in the intake air and thus reduce wear on engine components to a minimum Dirty air filters reduce engine power increase fuel con sumption and make starting more difficult The air filter must be cleaned when there is a noticeable loss of engine power Before removing the filter clean loose dirt off the filter cover 1 and the area around it to be sure that no dirt can get into the engine through the carburetor when the cover is removed Take out the M 4 flat head screw to remove the filter cover and air filter element 2 Important The intake air flows to the un
34. iological chain and bar lubricant e g STIHL Bioplus completely fill the chain oil tank Store the machine in a dry and high or locked location out of the reach of children and other unauthorized persons STIHL Incorporated Federal and California Emission Control Warranty Statement Your Warranty Rights and Obligations The U S Environmental Protection Agency EPA the California Air Resources Board CARB and STIHL Incorporated are pleased to explain the Emission Control System Warranty on your model year 2000 and later equip ment type engine In California new small off road engines must be designed built and equipped to meet the State s stringent anti smog standards In other states new 1997 and later model year small off road equipment engines must be designed built and equipped at the time of sale to meet the U S EPA regulations for small non road engines The equipment engine must be free from defects in materials and workmanship which cause it to fail to conform with U S EPA standards for the first two years of engine use from the date of sale to the ultimate purchaser STIHL Incorporated must warrant the emission control system on your small off road engine for the period of time listed below provided there has been no abuse neglect or improper maintenance of your small off road equipment engine Your emission control system includes parts such as the carburetor and the ignition system Also included
35. ith your right hand until you feel a definite resistance and then give it a brisk strong pull A Warning Be sure that the guide bar and chain are clear of you and all other obstructions and objects including the ground When the engine is started the engine speed with the starting throttle lock engaged will be fast enough for the clutch to engage the sprocket and if the chain brake is not activated turn the chain If the upper quadrant of the tip of the bar touches any object it may cause kick back to occur see section on reactive forces To reduce this risk always engage the chain brake before starting Never attempt to start the chainsaw when the guide bar is in a cut or kerf A Warning When you pull the starter grip do not wrap the starting rope around your hands Do not allow the grip to snap back but guide the starter rope slowly back to permit the rope to rewind properly Failure to follow this procedure may result in injury to hand or fingers and may damage the starter mechanism Important adjustments Warning To reduce the risk of personal injury from loss of control or contact with the running chain do not use a saw with incorrect idle adjustment At correct idle speed the chain should not rotate For directions to adjust idle speed see the appropriate section of your Owner s Manual If you cannot set the correct idle speed have your STIHL dealer check your saw and make proper adjustments or r
36. 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 thumbs and fingers encircling the chainsaw handles A firm grip will help you reduce kickback and maintain control of the saw Don t let go 3 Make sure 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 that could be hit while you are operating the saw 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 8 Reduced kickback bars and low kickback chains are designed to reduce the risk of kickback injury Ask your STIHL dealer about these devices B Other Safety Precautions Z Warning 1 Do not operate a chainsaw with one hand Serious injury to the operator helpers bystanders or any combination of these persons may result from one handed operation A chainsaw is intended to be used with two hands 2 Do not operate a chainsaw when you are fatigued 3
37. lace your left hand on front handle bar and your right hand on rear handle and throttle trigger Left handers should follow these instructions too Wrap your fingers tightly around the handles keeping the handles cradled between your thumb and forefinger With your hands in this position you can best oppose and absorb the push pull and kickback forces of your saw without losing control see section on reactive forces Make sure your chainsaw handles and grip are in good condition and free of moisture pitch oil or grease A Warning Do not operate your chainsaw with the starting throttle lock engaged Cutting with the starting throttle lock engaged does not permit the operator proper control of the saw or chain speed lt pe i pa e lt a is A Warning Never touch a chain with your hand or any part of your body when the engine is running even when the chain is not rotating The chain continues to rotate for a short period after the throttle trigger is released Warning Do not cut any material other than wood or wooden objects Use your chainsaw for cutting only It is not designed for prying or shoveling away limbs roots or other objects When sawing make sure that the saw chain does not touch any foreign materials such as rocks fences nails and the like Such objects may be flung off damage the saw chain or cause the saw to kickback A Warning In order to keep control of yo
38. le insert the guide bar in the trunk Enlarge the plunge cut as shown in illustration Warning There is an extreme danger of kickback at this point Extra caution must be taken to maintain control of the saw To make the felling cut follow the sectioning method described previously 22 If you are inexperienced with a chainsaw plunge cutting should not be attempted Seek the help of a professional Limbing Limbing is removing the branches from a fallen tree Warning There is an extreme danger of kickback during the limbing operation Do not work with the nose of the bar Be extremely cautious and avoid contacting the log or other limbs with the nose of the guide bar Do not stand on a log while limbing it you may slip or the log may roll Start limbing by leaving the lower limbs to support the log off the ground When underbucking freely hanging limbs a pinch may result or the limb may fall causing loss of control If a pinch occurs stop the engine and remove the saw by lifting the limb Warning Be extremely cautious when cutting limbs or logs under tension spring poles The limbs or logs could spring back toward the operator and cause loss of control of the saw and severe or fatal injury to the operator L ad oO oO Co lt a So e Bucking Bucking is cutting a log into sections Warnings 1 When bucking do not stand on the log Make sure the log will not roll downhill If on a
39. lifornia Air Resources Board s Emission Warranty Parts List specifically defines the emission related warranted parts These warranted parts are Carburetor Choke Cold start enrichment system Intake manifold Air filter Spark plug Magneto or electronic ignition system ignition module Catalytic converter if applicable Fasteners Where to make a claim for Warranty Service Bring the product to any authorized STIHL servicing dealer and present the signed warranty card Maintenance Requirements The maintenance instructions in this manual are based on the application of the recommended 2 stroke fuel oil mixture see also instruction Fuel Deviations from this recommendation regarding quality and mixing ratio of fuel and oil may require shorter maintenance intervals Limitations This Emission Control Systems Warranty shall not cover any of the following repair or replacement required because of misuse neglect or lack of required maintenance repairs improperly performed or replacements not conforming to STIHL Incorporated specifications that adversely affect performance and or durability and alterations or modifications not recommended or approved in writing by STIHL Incorporated and replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled replacement point A WARNING The engine exhaust from this product contains
40. loss Never touch a hot muffler or burn will 24 result If your muffler was equipped with a spark arresting screen to reduce the risk of fire e g in the USA Canada and Australia never operate your saw if the screen is missing or damaged Remem ber that the risk of forest fires is greater in hot or dry weather Keep the chain bar and sprocket clean replace worn sprockets or chains Keep the chain sharp You can spot a dull chain when easy to cut wood becomes hard to cut and burn marks appear on the wood Keep the chain at proper tension Tighten all nuts bolts and screws except the carburetor adjustment screws after each use A Warning In order for the chain brake on your STIHL chainsaw to properly perform its function of reducing the risk of kickback and other injuries it must be properly maintained Like an automobile brake a chainsaw chain brake incurs wear each time it is engaged The amount of wear will vary depending upon usage conditions under which the saw is used and other factors Excessive wear will reduce the effectiveness of the chain brake and can render it inoperable For the proper and effective operation of the chain brake the brake band and clutch drum must be kept free of dirt grease and other foreign matter which may reduce friction of the band on the drum For these reasons each STIHL chain saw should be returned to trained personnel such as your STIHL servicing dealer for peri
41. n if it slips off the handle bar Rear Handle The support handle for the right hand located at or toward the rear of the saw Guide Bar Nose The exposed end of the guide bar not illustrated see chapter Fensioning the Saw Chain Clutch Couples engine to chain sprocket when engine is accelerated beyond idle speed not illustrated Safety Precautions The use of any chainsaw may be hazardous The saw chain has many sharp cutters If the cutters contact your flesh they will cut you even if the chain is not moving At full throttle the chain speed can reach 45 mph 20 m s It is impor tant that you read fully understand and observe the following safety precau tions and warnings Read the Owner s Manual and the safety instructions periodically Pay special attention to the section on reactive forces A Warning Reactive forces including kickback can be dangerous Careless or improper use of any chainsaw may cause serious or fatal injury All safety precautions that are generally observed when working with an ax or a hand saw also apply to the operation of chainsaws However because a chain saw is a high speed fast cutting power tool special safety precautions must be observed to reduce the risk of personal injury Have your STIHL dealer show you how to operate your chainsaw Observe all applicable local safety regulations standards and ordinances A Warning Minors sho
42. ns may produce whitefinger disease Raynaud s phenomenon or carpal tunnel syndrome These conditions reduce the hand s ability to feel and regulate temperature produce numb ness and burning sensations and may cause nerve and circulation damage and tissue necrosis All factors which contribute to whitefinger disease are not known but cold weather smoking and diseases or physical condi tions that affect blood vessels and blood transport as well as high vibration levels and long periods of exposure to vibration are mentioned as factors in the develop ment of whitefinger disease In order to reduce the risk of whitefinger disease and carpal tunnel syndrome please note the following The STIHL 009 is not equipped with an antivibration AV system Many STIHL models are available with an anti vibration AV system designed to reduce the transmission of vibrations created by the engine and cutting attachment to the operator s hands An AV system is recommended for those persons using chainsaws on a regular or sustained basis Wear gloves and keep your hands warm Heated handles which are available on most STIHL power heads are recommended for cold weather use Keep the saw chain sharp and the saw including the AV system well maintained A dull chain will in crease cutting time and pressing a dull chain through wood will in crease the vibrations transmitted to your hands A saw with loose com
43. ntional cut A felling notch determines the direction of the fall For a conventional cut Properly place felling notch perpendicular to the line of fall close to the ground Cut down at app 45 degree angle to a depth of about 1 5 to 1 4 of the trunk diameter Make second cut horizontal Remove resulting 45 degree piece 001BA042 LA Open face technique A felling notch determines the direction of the fall For an open face cut Properly place felling notch perpendicular to the line of fall close to the ground Cut down at app 50 degree angle to a depth of app 1 5 to 1 4 of the trunk diameter Make second cut from below at app 40 degree angle Remove resulting 90 degree piece 19 001BA043 LA Making sapwood cuts For medium sized or larger trees make cuts at both sides of the trunk atsame height as subsequent felling cut Cuttono more than width of guide bar This is especially important in soft wood in summer it helps prevent sapwood splintering when the tree falls 20 7 f Z f Z 001BA044 LA B Felling cut Conventional and open face technique Begin 1 to 2 inches higher than center of felling notch Cut horizontally towards the felling notch Leave approx 10 of diameter uncut This is the hinge Do not cut through the hinge you could lose control of the direction of the fall Drive wedges into the felling cut where necessary t
44. ny way Check operation of chain brake Before starting work Run engine at idle speed engage the chain brake push hand guard toward bar nose Accelerate up to full throttle for no more than 3 seconds the chain must not rotate The hand guard must be free of dirt and move freely Chain brake maintenance The chain brake is subject to normal wear and tear It must therefore be checked and serviced regularly by trained personnel e g STIHL dealer at the following intervals Full time professional users every 3 months Semi professional users every 6 months Occasional users every 12 months During Break in Period A factory new machine should not be run at high revs full throttle off load for the first three tank fillings This avoids unnecessary high loads during the break in period As all moving parts have to bed in during the break in period the frictional resistances in the engine are greater during this period The engine develops its maximum power after about 5 to 15 tank fillings Do not make the mixture leaner to achieve an apparent increase in power this could damage the engine see section Adjusting Carburetor Note Always disengage chain brake before accelerating engine and before starting cutting work High revs with the chain brake engaged chain locked will quickly damage the powerhead and chain drive clutch chain brake During Operation Check chain tension frequently A n
45. o control the fall Warning If the tip of the bar contacts a wedge it may cause kickback Wedges should be of wood or plastic never steel which can damage the chain 001BA045 LA C Hinge Helps control the falling tree Do not cut through the hinge you could lose control of the direction of the fall Warning In order to reduce the risk of personal injury never stand directly behind the tree when it is about to fall since part of the trunk may split and come back towards the operator barber chairing or the tree may jump backwards off the stump Always keep to the side of the falling tree When the tree starts to fall withdraw the bar shut off the engine and walk away on the preplanned escape path Watch out for falling limbs lt d oO Tt So lt x a Q A Warning Be extremely careful with partially fallen trees which are poorly supported When the tree hangs or for some other reason does not fall completely set the saw aside and pull the tree down with a cable winch block and tackle or tractor If you try to cut it down with your saw you may be injured Felling cut for small diameter trees simple fan cut Engage the bumper spikes of the chain saw directly behind the location of the intended hinge and pivot the saw around this point only as far as the hinge The bumper spike rolls against the trunk 001BA047 LA Felling cut for large diameter trees Warning Felling a
46. odic inspection and servicing of the brake system according to the following schedule Heavy usage every three months Moderate usage twice a year Occasional usage annually The chainsaw should also be returned immediately for maintenance whenever the brake system cannot be thoroughly cleaned or there is a change in its operating characteristics For any maintenance please refer to the maintenance chart and to the warranty statement near the end of this manual Additionally the daily maintenance schedule for your chainsaw set forth in your STIHL Owner s Manual should be strictly followed Store chainsaw in a dry place and away from children Before storing for longer than a few days always empty the fuel tank see chapter Storing the Machine in this manual Mounting the Bar and Chain Top Unscrewing collar nut Center Removing pan head screw on machines without chain brake Chain brake disengaged Bottom Backing off tensioning nut 125BA000 LA 125BA001 LA You can run chains of different pitches on this chainsaw depending on the chain sprocket see Specifications The chain pitch must match the guide bar The drive link gauge must match the guide bar groove width The guide bar and Oilomatic chain are supplied separately To mount them first unscrew the collar nut 1 and if your machine does not have a chain brake take out the pan head srew 2 and remove the sprocket cover 3 If you h
47. oove depth must be maintained in order to prevent the drive links contacting the bottom of the groove the heels of the cutter and tie strap would no longer on the guide bar rails The groove depth varies according to chain type and pitch Chain type Chain pitch Minumum depth Picco 3 8 5 mm 0 2 The groove depth should be measured at the point where the bar is stressed most That is the bar nose on Duromatic bars and the area where most of the cutting is done in Rollomatic bars The guide bar must be replaced when groove depth is less than the specified minimum On Rollomatic guide bars it is not necessary to separately lubricate the sprocket nose bearing because the chain oil which flows to the bearing by way of the bar groove during normal operation is adequate for lubrication Checking chain lubrication lt L N N O lt L a o N Breaking in Oilomatic Chain Every new chain has to be broken in for about 2 to 3 minutes Ample chain lubrication is essential during this period After breaking in stop the engine check chain tension and adjust if necessary Chain Lubrication Never operate the chain saw without proper chain lubrica tion If the chain is allowed to run dry the whole cutting attachment will be irretrievably damaged within a very short time For this reason you should always check operation of the chain lubrication system and the level in the oil tank before starting work Start the saw
48. ope can rewind correctly Top Bottom Starting saw on ground Idle position 125BA018 LA lt x D O lt a w N Pull starter rope three or four times then move choke slide away from Z If the engine fires while you are cranking it over immediately open the choke Then continue cranking As soon as engine is running immediately blip the throttle trigger to release the starting throttle lock 6 so that the engine can settle down to idle speed The clutch can be damaged if the engine is not immediately returned to idle speed 33 34 Top Chain brake disengaged Stop switch in t position Bottom 8 Disengage the chain brake before starting cutting work by pulling the hand guard 1 back toward the handle bar 7 9 The engine is shut down by sliding the stop switch 2 to t Other points to observe when starting the engine The choke lever is mechanically connected to the carbure tor s choke valve The choke valve is closed when the choke lever is on 4 and open when the choke lever is moved away from Z When starting a cold engine only keep the choke slide in the Z position until the engine begins to fire Even if you do not hear the engine firing always open the choke after pulling the starter rope three or four times If you leave the choke slide in the position the combustion chamber will flood and stall the engine If you have moved the choke slide away from Z after the engine
49. other persons to be near the running chainsaw Start and operate your saw without assistance For speci fic starting instructions see the appro priate section of the Owner s Manual Proper starting methods reduce the risk of injury Do not drop start This method is very dangerous because you may lose control of the saw There are two recommended methods for starting your chainsaw With the first method the chainsaw is started on the ground Make sure the chain brake is engaged see Chain Brake chapter in your Owner s Manual and place the chainsaw on firm ground or other solid surface in an open area Maintain good balance and secure footing 001BA113 KN Grip the front handlebar of the saw firmly with your left hand and press down For saws with a rear handle level with the ground put the toe of your right foot into the rear handle and press down With your right hand pull out the starter grip slowly until you feel a definite resistance and then give it a brisk strong pull The second recommended method for starting your chainsaw allows you to start the saw without placing it on the ground Make sure the chain brake is engaged grip the front handle of the chainsaw firmly with your left hand Keep your arm on the front handle in a locked straight position Hold the rear handle of the saw tightly between your legs just above the knees Maintain good balance and secure footing Pull the starting grip slowly w
50. ottom Tensioning the chain Holding bar nose and tightening the hexagon nut Checking chain tension 125BA009 LA as te fo Ed fra o N o 125BA011 LA 27 Fuel This engine is certified to operate on unleaded gasoline and oil with the mix ratio 50 1 Your two stroke engine requires a mixture of brand name gasoline and quality two stroke engine oil with the classification TC Use regular branded unleaded gasoline with a minimum octane rating of 90 ROZ U S A Canada pump octane min 89 If the octane number of the regular grade gasoline in your area is lower use premium unleaded fuel Fuel with a lower octane rating may result in preignition causing pinging which is accompanied by an increase in engine temperature This in turn increases the risk of piston seizure and damage to the engine The chemical composition of the fuel is also important Some fuel additives not only detrimentally affect elastomers carburetor diaphragms oil seals fuel lines etc but magnesium castings as well This could cause running problems or even damage the engine For this reason it is essential that you use only branded fuels Use only STIHL two stroke engine oil or equivalent branded two stroke air cooled engine oils with the classification TC for mixing 28 We recommend STIHL 50 1 two stroke engine oil since it is specially formulated for use in STIHL engines Do not use BIA or TCW two stroke w
51. ou use a file holder the FG 1 or FG 3 Leave the chain on the bar Clamp the bar in a vise if necessary e Lock the chain push hand guard forward Torotate the chain pull hand guard against handle Sharpen chain frequently take away as little metal as possible two or three strokes of the file are usually enough e Always file from the inside to the outside of the cutter e The file only sharpens on the forward stroke lift the file off the cutter on the backstroke 43 Hold the file horizontally for all chain types at right angle to side of guide bar and file according to the angles marked on the filing tool e Avoid touching the tie straps and drive links with the file Rotate the file at regular intervals while filing to avoid one sided wear Use apiece of hardwood to remove burrs from cutting edge Check angles with the filing gauge All cutters must be the same length If the cutters are not the same length they will have different heights This makes the chain run roughly and can cause it to break Find the shortest cutter and then file all other cutters back to the same length This can be very time consuming it is best to have it done in the workshop on an electric grinder 44 ee d 2 a te lt L a e Depth gauge setting The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the chip remo
52. ppropriate section of your Owner s Manual especially those in the chapters Mounting the Bar and Chain Maintaining and Sharpening and Chain Brake A Warning Use only STIHL replacement parts for maintenance and repair Use of parts manufactured by others may cause serious or fatal injury Warning Always stop the engine and ensure that the chain is stopped before making any adjustments maintenance or repair work 23 changing the saw chain or cleaning the saw Do not attempt any maintenance or repair work not described in your Owner s Manual Have such work perfor med at your STIHL service shop only Warning Never test the ignition system with ignition wire terminal removed from spark plug or with unseated spark plug since uncontained sparking may cause a fire Warning To reduce the risk of fire and burn injury use only spark plugs authorized by STIHL Always press spark plug boot snugly onto spark plug terminal of the proper size Note If terminal has detachable SAE adapter nut it must be attached A loose connection between spark plug terminal and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire Keep spark plug clean and make sure ignition lead is in good condition Warning Do not operate your chainsaw if the muffler is damaged missing or modified An improperly maintained muffler will increase the risk of fire and hearing
53. precautions before using your saw Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this Manual ZN warning Because a chain saw is a high speed wood cutting tool some special safety precautions must be observed as with any other power saw to reduce the risk of personal injury Careless or improper use may cause serious or even fatal injury STIHL s philosophy is to continually improve all of its products As a result engineering changes and improvements are made from time to time If the operating characteristics or the appearance of your saw differs from those described in this Manual please contact your STIHL dealer for information and assistance STIHL Main Parts of the Saw 1 Spark plug boot 2 Chain brake 3 Oilomatic saw chain 4 Guide bar 5 Chain tensioner 6 Chain catcher 7 Chain sprocket 8 Chain sprocket cover 9 Bumper spike 10 Muffler 11 Choke control 12 Rear hand guard 13 Starter grip 14 Oil filler cap 15 Fuel filler cap 16 Starting throttle lock 17 Throttle trigger interlock 18 Throttle trigger 19 Stop switch 20 Front handle 21 Front hand guard 22 Rear handle Definitions 1 Spark Plug Boot Connects the spark plug with the ignition wire 2 Chain Brake A device to stop the rotation of the chain if activated in a kickback situation by the operator s hand or by
54. r Clean remove deposits c Check idle adjustment chain must not turn 39 arburetor aaa Readjust idle Spark plug Replace 40 All accessible screws and nuts not adjusting screws Retighten voma Inspect BOBO rv IDI ann DUES Have replaced by STIHL dealer Inspect Inspect spark arrestor screen Clean or replace spark arrestor screen Chain catcher Check Replace 46 Specifications Engine The Emission Compliance Period referred to on the Emissions Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements Category A 300 hours B 125 hours C 50 hours The Emission Compliance Period used on the CARB Air Index Label indicates the terms Extended 300 hours Intermediate 125 hours Moderate 50 hours STIHL single cylinder two stroke engine 009 009 L Displacement 36 6 cm 40 8 cm 2 23 cu in 2 49 cu in Bore 36 mm 38 mm 1 42 in 1 50 in Stroke 36 mm 36 mm 1 42 in 1 42 in Power output according ISO 7293 1 2 kW 1 5 kW Max engine speed with bar and chain 10 500 r p m Ignition System Type Electronic breakerless magneto ignition Spark plug suppressed Bosch WSR 6 F or NGK BPMR7 A Heat range 200 Electrode gap 0 5 mm 0 02 in Spark plug thread M 14x1 25 9 5 mm 0 37 in long Fuel Oil System Carburetor All position diaphragm carburetor with in
55. r the stud bolt 6 On Quickstop models the chain brake must be disengaged and the top end of the lever 11 must be located in the slot in the hand guard 12 Top Center Bottom Fitting the chain Peg in fixing hole cutting edges point toward bar nose Drive link tang 125BA005 L lt o 3 t lt a Te A aa 125BA007 LA Fitting the sprocket cover Q 2 a wo N h Fit collar nut 1 on the stud bolt 6 On machines without a chain brake also fit the pan head screw 2 Both the collar nut and pan head screw should only be screwed down temporarily at this stage Hold the bar nose 8 up and turn the tensioning screw 5 until the Oilomatic chain is properly seated on the underside of the bar The Oilomatic chain is correctly tensioned when it fits snugly against the underside of the bar but can still be pulled easily along the bar After finally tensioning the chain again hold the bar nose up and securely tighten down the collar nut 1 and on machines without chain brake the pan head screw 2 Chain tension and lubrication are extremely important in respect of the cutting results obtained and the service life of the whole cutting attachment Chain lubrication must always be checked before you start cutting Chain tension should be checked frequently during cutting and corrected as ne cessary See chapter Guide Bar Chain and Sprocket for further details Top Center B
56. retensioned more frequently than a used one because it stretches during the initial break in period Worn chain sprocket x al m N QO lt a wo N Chain Sprocket The stress and strain on the chain sprocket are particularly high If the wear marks on the teeth are very pronounced about 0 5 mm 0 02 in deep the sprocket should be replaced A worn sprocket reduces the service life of the saw chain The chain sprocket should be replaced as a matter of routine with every second Oilomatic chain It is best to use saw chains alternately with one sprocket Troubleshooting on Chain Oiling System Removing oil pump lt x l vt N O lt Q e N If you have checked chain lubrication see chapter Guide Bar Saw Chain and Chain Sprocket and found that no oil is being delivered although the oil tank is full switch off the engine and start looking for the fault on the cutting attach ment To do this remove the chain sprocket cover guide bar and chain Thoroughly clean the oil inlet holes as well as the passage between the holes and the bar groove Also clean away dirt that may have collected at the end of the oil hose 1 and the area around it Now check oil delivery again If no oil emerges from the hose 1 the oil pump must be removed from the machine and cleaned Component parts of oil pump in correct sequence 125BA025 LA Cleaning the Oil Pump Drain the chain oil tank Remove the fastening scr
57. rs when the top of the bar is used for cutting To avoid pushback 1 Be alert to forces or situations that may cause material to pinch the top of the chain 2 Donotcut more than one log at a time 3 Do not twist the saw when withdrawing the bar from a plunge cut or underbuck cut because the chain can pinch Cutting Techniques Felling Felling is cutting down a tree Before felling a tree consider carefully all conditions which may affect the direction of fall including The intended direction of the fall The natural lean of the tree Any unusually heavy limb structure Surrounding trees and obstacles The wind direction and speed A Warning Always observe the general condition of the tree Inexperienced users should never attempt to cut trees which are decayed or rotted inside or which are leaning or otherwise under tension There is an increased risk that such trees could snap or split while being cut and cause serious or fatal injury to the operator or bystanders Also look for broken or dead branches which could vibrate loose and fall on the operator When felling on a slope the operator should stand on the uphill side if possible 17 a ee 001BA088 L Felling Instructions When felling maintain a distance of at least 21 2tree lengths from the nearest person When felling in the vicinity of roads railways and power lines etc take extra precautions Inform the polic
58. ry year Before storing your machine for a long period drain and clean the fuel tank and run engine until carburetor is dry Chain lubricant For automatic and reliable lubrication of the chain and guide bar Use only a quality environmentally compatible chain and bar lubricant STIHL chain lubricant with non fling additive or the rapidly biodegradable STIHL Bioplus is recommended Important Biological chain oil must be resistant to aging e g STIHL Bioplus since it will otherwise quickly turn to resin This results in hard deposits that are difficult to remove especially in the area of the chain drive clutch and chain It may even cause the oil pump to seize The service life of the chain and guide bar depends on the quality of the lubricant It is therefore essential to use only a specially formulated chain lubricant If special chain lubricant is not available you may in an emergency use an HD single grade or multigrade engine oil with a viscosity that suits the prevailing outside temperature A Warning Medical studies have shown that renewed contact with waste oil can cause skin cancer Avoid direct contact with waste oil If waste oil does get on your skin wash with soap and water Do not use waste oil for any purpose and dispose of it only at authorized disposal locations Fill chain lubricant Thoroughly clean the oil filler cap and the area around i
59. s an extremely flammable fuel If spilled or ignited by a spark or other ignition source it can cause fire and serious burn injury or property damage Use extreme caution when handling gasoline or fuel mix Do not smoke or bring any fire or flame near the fuel or the chainsaw Note that combustible fuel vapors may be vented from the fuel system Fueling Instructions A Warning Fuel your chainsaw in well ventilated areas outdoors only Always shut off the engine and allow it to cool before refue ling Gasoline vapor pressure may build up inside the gas tank of a two cycle engine depending on the fuel used the weather conditions and the venting system of the tank In order to reduce the risk of burns or other personal injury from escaping gas vapor and fumes remove the fuel filler cap on the STIHL product carefully so as to allow any pressure build up in the tank to release slowly Never remove fuel filler cap while engine is running Select bare ground for fueling and move at least 10 feet 3 m from fueling spot before starting the engine Wipe off any spilled fuel before starting your saw and check for leakage Z warning Check for fuel leakage while refueling and during operation If fuel or oil leakage is found do not start or run the engine until leak is fixed and spilled fuel has been wiped away Take care not to get fuel on your clothing If this happens change your clothing immediately Different mod
60. s may result in loss of control which may in turn cause serious or fatal injury An understanding of the causes of these reactive forces may helpyou avoid loss of control The most common reactive forces are kickback pushback pull in Kickback Kickback may occur when the moving saw chain near the upper quadrant of the bar nose contacts a solid object or is pinched lt l io q lt a The reaction of the cutting force of the chain causes a rotational force on the chainsaw in the direction opposite to the chain movement This may fling the bar up and back in an uncontrolled arc mainly in the plane of the bar Under some cutting circumstances the bar moves towards the operator who may suffer severe or fatal injury Kickback may occur when the nose of the guide bar is pinched unexpectedly unintentionally contacts solid material in the wood or is incorrectly used to begin a plunge or boring cut It may also occur during limbing The greater the force of the kickback reaction the more difficult it becomes for the operator to control the saw Many factors influence the occurrence and force of the kickback reaction These include chain speed the speed at which the bar and chain contact the object the angle of contact the condition of the chain and other factors The type of bar and saw chain you use is an important factor in the occurrence and force of the kickback reaction
61. t to ensure that no dirt falls into the tank Refill the chain oil tank every time you refuel There must still be a small amount of oil in the oil tank when the fuel tank is empty If the oil tank is still partly full the reason may be a problem in the oil supply system Check chain lubrication clean the oil passages contact your STIHL dealer for assistance if necessary 29 Chain Brake lt 3 oO oak lt ao Tre A Locking chain with chain brake in an emergency when starting at idling speed The chain is stopped and locked when the hand guard is pushed toward the bar nose by the left hand or when brake is activated by inertia in certain kickback situations 30 125BA032 LA Releasing the chain brake Pull the hand guard back toward the front handle Note Always disengage chain brake before accelerating engine and before starting cutting work The only exception to this rule is when you check operation of the chain brake High revs with the chain brake engaged chain locked will quickly damage the powerhead and chain drive clutch chain brake The chain brake is also activated by the inertia of the front hand guard if the kickback force of the saw is high enough The hand guard is accelerated toward the bar nose even if your left hand is not behind the hand guard e g during felling cut The chain brake will operate only if the hand guard has not been modified in a
62. tegral fuel pump Air filter Large area felt mat Fuel tank capacity 0 29 0 61 US pt Fuel mix See chapter Fuel Chain lubrication Fully automatic oil pump Oil tank capacity 0 23 0 49 US pt Weight without bar and chain 4 1 kg 9 0 Ib Cutting Attachment Recommended cutting attachments for compliance with 5 11 of ANSI Standard B 175 1 2000 see page 12 of this Manual STIHL reduced kickback bar with green label Rollomatic with sprocket nose 30 35 or 40 cm 12 14 or 16 in STIHL low kickback chain with green label 9 32 mm 3 8 Picco Micro1 63 PM1 Chain sprocket 6 or 7 tooth for 3 8 Picco pitch Other cutting attachments available for this powerhead are STIHL yellow labeled chain Picco Micro 63 RM Since new bar chain combinations may be developed after publication of this Manual ask your STIHL dealer for the latest STIHL recommendations In order to comply with the kickback performance requirements of 5 11 of ANSI Standard B 175 1 2000 do not use replacement saw chain unless it has been designated as meeting the ANSI 5 11 requirements on this specific powerhead or has been designated as low kickback saw chain in accordance with the ANSI B 175 1 2000 standard See definition of low kickback chain on page 11 of this Manual 47 Ordering Spare Parts Please enter your saw model machine number as well as the part numbers of the g
63. tional and trade associations When the inhalation of toxic dust mists and fumes cannot be eliminated the operator and any by standers should always wear a respirator approved by NIOSH MSHA for the type substance at issue A Warning Breathing asbestos dust is dangerous and can cause severe or fatal injury re spiratory illness or cancer The use and disposal of asbestos containing products have been strictly regulated by OSHA and the Environmental Protection Agen cy Do not cut or disturb asbestos asbe stos containing products e g asbestos containing drywall or other construction products or products such as pipes which are wrapped or covered with asbe stos insulation If you have any reason to believe that you might be cutting asbe stos immediately contact your employer or a local OSHA representative The muffler and other parts of the engine e g fins of the cylinder spark plug become hot during operation and remain hot for a while after stopping the engine To reduce risk of burns do not touch the muffler and other parts while they are 10 hot Don t work alone Keep within calling distance of others in case help is needed Your chainsaw is equipped with a chain catcher It is designed to reduce the risk of personal injury in the event of a thrown or broken chain From time to time the catcher may be damaged or removed To reduce the risk of personal injury do not operate a chainsaw with a damage
64. ug after approx 100 operating hours or earlier if the electrodes are badly eroded 000BA036 TR AN warning To reduce the risk of fire and burn injury use only spark plugs authorized by STIHL see Specifications Always press spark plug boot 2 snugly onto spark plug terminal 1 of the proper size Note If terminal has detachable SAE adapter nut it must be attached A loose connection between spark plug terminal and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire Replacing the Chain Sprocket Top Locking screw in position Center Removing the clutch Bottom Parts in correct order First disengage the chain brake pull hand guard back toward front handle and then remove the chain sprocket cover guide bar and chain Take out the spark plug and screw locking screw 1 into spark plug hole by hand until it is firmly seated Turn clutch 2 to rotate crankshaft clockwise until the piston head butts against the lockig srew Now use a Suitable 19 mm wrench to unscrew the clutch 125BA028 LA Caution The clutch has a left hand thread uncrew it clockwise After unscrewing the clutch remove the chain sprocket and needle cage from the crankshaft Clean the stub of the crankshaft Wash out needle cage in clean gasoline and lubricate it with anti friction bearing grease lt x al D N O lt a e N Examine clutch shoes 4
65. uide bar saw chain and chain sprocket in the spaces provided on the right This will make re ordering simpler The guide bar saw chain and chain sprocket are subject to normal wear and tear The part numbers of the standard bar chain and sprocket are printed on the right for your convenience When purchasing these parts always quote the saw model the part numbers and names of the parts Model Machine number Guide bar part number Chain part number Sprocket part number For recommended STIHL reduced kickback cutting attachments see sec tion Specifications of this Owner s Manual 48 Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL Service Shop using original STIHL spare parts Original STIHL parts can be identified by the STIHL part number the STIHL logo and the STIHL parts symbol amp 7 The symbol may appear alone on small parts Storing the Machine For periods of about 3 months or longer Drain and clean the fuel tank in a well ventilated area Run engine until carburetor is dry this helps prevent the carburetor diaphragms sticking together Remove the saw chain and guide bar clean them and protect with corrosion inhibiting oil Thoroughly clean the machine pay special attention to the cylinder fins and air filter If you use a b
66. uld never be allowed to use a chainsaw Bystanders especially children and animals should not be allowed in the area where a chainsaw is in use Never let the saw run unattended Store it in a locked place away from children and empty the fuel tank before storing for longer than a few days Do not lend or rent your chainsaw without the Owner s Manual Be sure that anyone using your saw reads and under stands the information contained in this manual These safety precautions and warnings apply to the use of all STIHL chainsaws Different models may have different parts and controls See the appropriate section of your Owner s Manual for a description of the controls and function of the parts of your model saw Safe use of a chainsaw involves 1 the operator 2 the saw 3 the use of the saw THE OPERATOR Physical Condition You must be in good physical condition and mental health and not under the influence of any substance drugs alcohol which might impair vision dexterity or judgment Do not operate a chainsaw when you are fatigued Be alert If you get tired while operating your chainsaw take a break Tiredness may result in loss of control Working with any chainsaw can be strenuous If you have any condition that might be aggravated by strenuous work check with your doctor before operating a chainsaw A Warning Prolonged use of chainsaws or other machines exposing the operator to vibratio
67. ur saw always maintain a firm foothold 001BA031 L Never work on a ladder or on any other insecure support Never use the saw above shoulder height A Warning Never work in a tree unless you have received specific professional training for such work are properly secured such as tackle and harness system or a lift bucket have both hands free for operating the chainsaw in a cramped environment and have taken proper precautions to avoid injury from falling limbs or branches 11 001BA082 KN Position the chainsaw in such a way that your body is clear of the cutting attach ment whenever the engine is running Stand to the left of cut while bucking Don t put pressure on the saw when reaching the end of a cut The pressure may cause the bar and rotating chain to pop out of the cut or kerf go out of control and strike the operator or some other object If the rotating chain strikes some other object a reactive force may cause the moving chain to strike the operator Reactive forces including kickback A Warning Reactive forces may occur any time the chain is rotating Reactive forces can be dangerous In any chainsaw the 12 001BA093 L powerful force used to cut wood can be reversed and work against the opera tor If the rotating chain is suddenly stopped by contact with any solid object like a log or branch or is pinched the reactive forces may occur instantly These reactive force
68. ved Specificed distance or setting between depth gauge and cutting edge a This setting may be increased by 0 2mm 0 008 for cutting softwood in mild weather season no frost Chain pitch Depth gauge setting a Inch mm mm Inch 1 4 6 35 0 65 0 026 3J PMN 9 32 0 45 0 018 3 3 PM 9 32 0 65 0 026 0 325 8 25 0 65 0 026 le 9 32 0 65 0 026 0 404 10 26 0 80 0 031 Lowering depth gauges The depth gauge setting is reduced when the chain is sharpened Use filing gauge to check the setting every time you sharpen the chain and if necessary lower the depth gauge with a flat or triangular file so that it is level with the filing gauge z A G q lt a D Round off depth gauges parallel to the stamped marking After sharpening Clean the chain thoroughly remove filings or grinding dust lubricate the chain by immersing it in an oil bath Before long out of service period Clean the chain with a brush and immerse it in an oil bath Sharpening Tools special accessories Chain pitch Round file Round file File holder Filing gauge Flat file Sharpening kit Inch mm mm inch Part No Part No Part No Part No Part No 174 6 35 4 0 Cr39 5605 772 4006 56057504327 11108934000 08142523356 5605 007 1027 3 PMN 9 32 4 0 39 5605 772 4006 56057504327 00008934000 08142523356 5605 007 1026 3 3 P 9 32 4 0 39 5605 772 4006 5605 750 4327 1110893400
69. y if they have been improperly maintained Compliance with 5 11 of ANSI B 175 1 2000 does not automatic ally mean that in a real life kickback the bar and chain will rotate at most 45 A Warning inch displacement to comply with the computed kickback angle requirements of 5 11 of ANSI B 175 1 2000 use only the following cutting attachments bar and chain combinations listed as complying in the Specifications section of the Owner s Manual or other replacement bar and chain combinations marked in accordance with the standard for use on the powerhead or replacement chain designated low kickback saw chain See the section on Low kickback saw chain and reduced kickback bars 13 Devices for reducing the risk of kickback injury STIHL recommends the use of the STIHL Quickstop chain brake on your power head with green labeled reduced kick back bars and low kickback chains A Warning To reduce the risk of injury stop using the saw immediately if the chain brake does not function properly Take the saw to your local STIHL Service Centre Do not use the saw until the problem has been rectified see the section Chain Brake Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of injury in certain kickback situations It is called a Quickstop chain brake The Quickstop is available as standard equipment on your STIHL chainsaw and is av
70. ying your saw the bar should be behind you By vehicle When transporting in a vehicle keep chain and bar covered with the chain guard Properly secure your saw to prevent turnover fuel spillage and damage to the saw Preparation for the use of the saw Take off the chain guard and inspect for safety in operation For assembly follow the procedure described in the chapter Mounting the Bar and Chain of your Owner s Manual STIHL Oilomatic chain guide bar and sprocket must match each other in gauge and pitch Before replacing any bar and chain see the sections on Specifications Kickback and the ANSI B 175 1 2000 chainsaw kickback standard in this manual A Warning Proper tension of the chain is extremely important In order to avoid improper setting the tensioning procedure must be followed as described in your manual Always make sure the hexagonal nut s for the sprocket cover is are tightened securely after tensioning the chain Never start the saw with the sprocket cover loose Check chain tension once more after having tightened the nut s and thereafter at regular intervals when ever the saw is shut off If the chain becomes loose while cutting shut off the engine and then tighten Never try to tighten the chain while the engine is running Fueling Your STIHL chainsaw uses an oil gaso line mixture for fuel see chapter Fuel of your Owner s Manual A Warning Gasoline i
71. you are not experienced with these cutting techniques 10 Be alert for shifting of the log or other forces that may cause the cut to close and pinch the chain 11 Maintain saw chain properly Cut with a correctly sharpened properly tensioned chain at all times 12 Stand to the side of the cutting path of the chainsaw Our 001BA037 LA A Pull in Pull in occurs when the chain on the bottom of the bar is suddenly stopped when it is pinched caught or encounters a foreign object in the wood The reaction of the chain pulls the saw forward and may cause the operator to lose control Pull in frequently occurs when the bumper spike of the saw is not held securely against the tree or limb and when the chain is not rotating at full speed before it contacts the wood A Warning Use extreme caution when cutting small size brush and saplings which may easily catch the chain and pull you off balance To avoid pull in 1 Always start a cut with the chain rotating at full speed and the bumper spike in contact with the wood 2 Pull in may also be prevented by using wedges to open the kerf or cut 001BA038 LA B Pushback Pushback occurs when the chain on the top of the bar is suddenly stopped when it is pinched caught or encounters a foreign object in the wood The reaction of the chain drives the saw straight back toward the operator and may cause loss of saw control Pushback frequently occu

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