Chain Saw Safety Manual
Contents
1. English Main Parts 16 1 Shroud lock Carburetor adjusting screws Fuel pump easy start Shutter Summer winter operation MS 211 only Chain brake Chain sprocket Chain sprocket cover Chain catcher Chain tensioner side Bumper spike Guide bar Oilmatic saw chain Adjusting wheel quick chain tensioner Handle of wingnut quick chain tensioner Oil filler cap Muffler Front hand guard Front handle handlebar Spark plug boot Starter grip Fuel filler cap Master Control lever Throttle trigger Throttle trigger interlock Rear handle Rear hand guard Serial number Depending on model Chain Saw Safety Manual 0457 184 0121 englisch 0457 184 01212. at a safe distance but not on the escape paths When felling stand only to the side of the falling trunk and only move back laterally onto the escape route Plan escape routes on slopes parallel to the slope When getting out of the way watch out for falling branches and the crown area Preparing the work area at the trunk Clear the work area at the trunk of branches brush and other obstacles secure footing for all workers Carefully clear the base of the trunk e g with an axe sand stones and other foreign objects will dull the saw chain AN 3 Remove large buttresses remove the largest buttress first saw first vertically then horizontally only if the tree is in sound condition Making a felling notch g amp lt ao gt S With the help of the gunning sight on the shroud and fan housing of the chain saw it is possible to check the direction of fall when cutting the felling notch When making the felling notch orient the chain saw so that the gunning sight points precisely in the direction in which you want the tree to fall Several possibilities are permissible when it comes to the sequence of horizontal and diagonal cuts observe national regulations with regard to felling technique zZ x N lt oo S oO The felling notch C determines the direction of fall STIHL recommends the following procedure Make a hori
3. STIHL i Chain Saw Safety Manual OABOBRAYHAO Contents Safety Precautions and Working Techniques 2 Maintenance and Care 14 Main Parts 16 Original Instruction Manual Printing inks contain vegetable oils paper can be recycled Printed on chlorine free paper ANDREAS STIHL AG amp Co KG 2009 0457 184 0121 M4 L09 FST 0000000553_001_GB STIHL Chain Saw Safety Manual English This manual contains the safety precautions and recommended cutting techniques outlined in the instruction manuals for STIHL chain saws The chapter on Main Parts ofthe Saw shows the MS 211 as an example Other chain saw models may have different parts and controls This manual contains references to various chapters in the model specific instruction manuals You should therefore always refer to the instruction manual of your particular saw model Please contact your STIHL dealer if you any questions after reading this manual English Safety Precautions and Working Techniques Special safety precau tions must be observed when using a chain saw because the work goes faster than with an axe and a hand saw because the chain runs at very high speeds and because the cutters are extremely sharp It is important that you carefully read the entire Instruction Manual before using the machine for the first time and keep it ina safe place for future ref erence Non compliance with the Instruction Man ual may cau
4. age x Clean and turn over x Guide bar Deburr x Replace x x Chain sprocket Check x Clean x x Air filter Replace x Check x x Anti vibration elements Have replaced by dealer x 14 Chain Saw Safety Manual English The following maintenance intervals apply for normal operating conditions only If your daily working R time is longer or operating conditions are difficult very dusty work area resin rich wood tropical T a wood etc shorten the specified intervals accordingly If you only use the saw occasionally extend 2 ge the intervals accordingly x O c s S amp 2 e s 5 s s E lelg lg o z 8 gs ose Sole g 2 2 zZ gt 2 2 S a 5 82 5 s S se s S 5 3 E Cooling inlets Clean x Cylinder fins Clean x X Check idle adjustment chain must not rotate x x Carburetor Adjusting Idle Speed x Readjust electrode gap x Spark plug Replace after 100 hours of operation All accessible screws and nuts not adjusting Retighten X screws Check x Spark arresting screen in muffler not all markets Clean replace if necessary x Check x Chain catcher Replace Safety labels Replace 1 STIHL recommends a STIHL servicing dealer 2 Firmly tighten down the cylinder base screws of professional saws 3 4 kW or more after 10 to 20 hours of operation Chain Saw Safety Manual 15
5. bucking for DYI projects Chain Saw Safety Manual 2 x D R x ao 2 2 e use a low kickback chain and be especially cautious 1 Begin the cut by applying the lower portion of the guide bar nose do not use the upper portion risk of kickback Cut until the depth of the kerf is twice the width of the guide bar 2 Swing the saw slowly into the plunge cutting position risk of kickback or pushback 3 Make the plunge cut very carefully danger of pushback Heartwood cut z x lt ao Q e if the diameter of the trunk exceeds twice the length of the guide bar ifa piece of heartwood remains uncut on large diameter trunks Chain Saw Safety Manual with trees that are difficult to fell oak beech to make possible to maintain the planned direction of fall more precisely and prevent the heartwood from splintering with soft deciduous trees to relieve tension in horizontal trunks and prevent slivers of wood from being torn out of the trunk Make the plunge cut in the felling notch very carefully danger of pushback then swing in the direction of the arrow Limbing Limbing may only be carried by persons who have had special training Persons who are not experienced chain saw users should carry out neither felling nor limbing risk of accidents use a low kickback saw chain Support the chain saw as much as possible Do not stand on the
6. cified type of containers and ensure they are correctly labeled Avoid direct skin contact with gasoline Do not inhale gasoline vapors danger to health In the event of a chain brake malfunction switch off the machine immediately risk of injury Consult a dealer do not use the machine until the malfunction has been remedied see chain brake Chain Saw Safety Manual 13 English Maintenance and Care The following maintenance intervals apply for normal operating conditions only If your daily working time is longer or operating conditions are difficult very dusty work area resin rich wood tropical T wood etc shorten the specified intervals accordingly If you only use the saw occasionally extend om 9 the intervals accordingly x 2 S i 2 gt s 2 5 Z ic alee le e le o 3 E 3 3 8 a 8 s s s e a 3 Visual inspection condition leaks x X Complete machine Clean X Throttle trigger trigger interlock choke lever stop switch Master Control lever depending on Check operation x X version Check operation x x Chain brake Have checked by dealer x Check x Pickup body filter in fuel tank Clean replace filter element x Replace x x x Fuel tank Clean x Chain oil tank Clean Chain Lubrication Check Inspect also check sharpness Saw chain Check chain tension x Sharpen x Check wear dam
7. ed To reduce the risk of fire due to ignition outside the cylinder move the slide control stop switch to STOP or 0 before turning the engine over on the starter with the spark plug boot removed or the spark plug unscrewed Do not service or store the machine near a naked light risk of fire due to the fuel Check fuel cap regularly for tightness Use only spark plugs that are in perfect condition and have been approved by STIHL see Specifications Inspect ignition lead insulation in good condition secure connection Check that the muffler is in perfect working condition Do not use the machine if the muffler is damaged or missing risk of fire Hearing damage Never touch a hot muffler risk of burns The condition of the antivibration elements influences vibration behavior inspect antivibration elements periodically Inspect chain catcher replace if damaged Chain Saw Safety Manual English Switch off engine to check the chain tension to retension the chain to change chains for remedying malfunctions Observe sharpening instructions for safe and proper handling always keep the chain and guide bar in flawless condition Keep the chain properly sharpened tensioned and well lubricated Change chain guide bar and chain sprocket in due time Check that the clutch drum is in perfect working condition Always store fuel and chain lubricant only in the spe
8. ged by Hand protection wearing warm gloves Work breaks The period of usage is shortened by Any personal tendency to suffer from poor circulation symptoms frequently cold fingers tingling sensation Low outside temperatures Amount of gripping force holding the power tool tightly restricts circulation Users who use the machine periodically or for long periods or users who repeatedly experience corresponding symptoms e g tingling sensation in fingers should undergo a medical examination Maintenance and repairs The machine must be serviced regularly Do not attempt any maintenance or repair work not described in the Instruction Manual All other work should be carried out by a servicing dealer STIHL recommends that maintenance and repair work be carried out only by authorized STIHL dealers STIHL dealers receive regular training and are supplied with technical information Use only high quality replacement parts in order to avoid the risk of accidents or damage to the machine Contact a dealer if in doubt STIHL recommends the use of genuine STIHL spare parts Such parts have been optimized for the machine and the user s requirements Before starting any maintenance or repair work and before cleaning the machine always stop the engine and disconnect the spark plug boot risk of injury if the engine starts up inadvertently Exception adjustment of carburetor and idle spe
9. hain saw The chain saw should only be used if it is in full working order risk of accident Starting the engine Move at least 3 meters away from the place at which the machine was refueled and never in enclosed spaces English The machine is operated by only one person there should not be any other person within the working area not even when starting the machine Lock the chain with the chain brake before starting risk of personal injury due to rotating chain Do not drop start the engine start as described in the Instruction Manual Do not start the chain saw if the chain is in a cut During work In the event of impending danger or in an emergency switch off the engine immediately by moving the Master Control stop switch to STOP or 0 Never let the machine run unattended When the engine is running Note that the chain continues to rotate for a short period after your let go of the throttle trigger coasting effect Exercise caution with slippery surfaces water snow ice steep slopes uneven ground or green wood that has just been stripped of its bark danger of slipping Use caution with tree stumps roots ditches danger of stumbling Ensure you always have a firm and safe footing Do not work alone keep within calling distance of others in case help is needed More care and attention than usual are required when wearing ear protection since warning sounds sho
10. ition before continuing work refer also to the section Before starting Check the fuel system for leaks and make sure the safety devices are working properly Never continue using a power tool that is not in perfect working order Consult a STIHL dealer if in doubt Make certain that the saw chain does not continue rotating when the engine is idling if necessary correct the low speed setting if the chain continues to keep rotating in idle have it checked by a servicing dealer Reactive forces The most common reactive forces are kickback pushback and pull in Dangers of kickback Kickback can result in fatal cuts Chain Saw Safety Manual 001BA036 KN Kickback occurs when the saw is suddenly thrown up and back in an uncontrolled arc towards the operator Kickback occurs if for example lt a 50 Q i lt a x Q the saw chain in the area of the upper quarter of the guide bar nose unintentionally comes into contact with wood or a solid object e g unintentionally touches another limb during limbing the saw chain at the nose of the guide bar is pinched in the cut Chain Saw Safety Manual Quickstop chain brake This device reduces the risk of injury in certain situations it cannot prevent kickback When activated the chain brake stops the saw chain within a fraction of a second for a description of this device refer to the section Chain Brake in this Ins
11. l times Use the shortest possible guide bar The chain guide bar and chain sprocket must match each other and your saw z a N foe So lt ao oO Make certain that all parts of your body are well clear of the extended range of travel of the saw chain Always pull the saw out of the cut with the saw chain running Use the chain saw only for sawing not for prying or shoveling away limbs or roots Do not underbuck freely hanging limbs Be careful when cutting shattered wood risk of injury from slivers being caught and thrown in your direction Make sure your saw does not touch any foreign materials Stones nails etc may be flung off and damage the saw chain the saw may kick back unexpectedly Chain Saw Safety Manual zZ Q ise gt lt a S On slopes always stand above or to the side of the trunk or felled tree Watch out for rolling trunks When working above ground level always use a lift bucket never work on a ladder notinatree not in unsteady locations not above shoulder height not with one hand Begin cutting with the saw at full throttle and engage the bumper spike then saw Never use the chain saw without the bumper spike the saw may pull you forward suddenly Always engage the bumper spike securely Chain Saw Safety Manual At the end of the cut the chain saw is no longer supported by the cutting attachment in the cut The
12. machine s weight must be borne by the user risk of loss of control Felling Felling may only be carried by persons who have had special training Persons who are not experienced chain saw users should carry out neither felling nor limbing increased risk of accidents Comply with national regulations regarding felling technique Only persons who are engaged in felling may be present in the felling area Make certain that no one is endangered by the falling tree engine noise can drown out shouting Gad Tad lt a D The distance to the next worksite must be at least 2 1 2 tree lengths Determine direction of fall and escape paths Select a gap in the timber stand into which the tree can be felled Pay special attention to the following points English the natural inclination of the tree unusually heavy limb structure asymmetrical growth damage to tree wind direction and speed do not fell trees in high winds direction of slope neighboring trees snow load Take the general condition of the tree into account be especially careful with trunk damage or deadwood brittle rotten or dead wood z Q g S lt a gt S A direction of fall B escape paths English Establish escape paths for each worker approx 45 diagonally backwards Clear escape paths eliminate obstacles Put down tools and equipment
13. od the chain saw may suddenly be driven straight back toward the operator to avoid this English Do not allow the top of the guide bar to become jammed Do not twist the guide bar in the cut Be very careful with freely hanging limbs with trunks that are under tension between other trees because they fell unfavorably when working in windbreaks In these cases do not use a chain saw use a hoist winch or dragline instead Pull out trunks that are lying about and have been cut free Whenever possible deal with them in open areas Deadwood brittle rotten or dead wood poses a substantial highly unpredictable hazard It is extremely difficult or even practically impossible to recognize the danger Use aids such as winches or draglines Always be especially careful whenfelling timber near roads railway lines power lines etc If necessary notify police power companies or railway authorities Holding and guiding the machine Always hold the chain saw firmly with both hands Right hand on the rear handle even if you are left handed To ensure reliable control wrap your thumbs tightly around the handlebar and handle Sawing Do not use the starting throttle position for cutting Engine speed cannot be controlled with the throttle trigger in this position Work calmly and methodically only with good lighting and visibility Do not endanger others stay alert at al
14. operating the machine Long hair must be tied up and covered headscarf cap helmet etc Chain Saw Safety Manual Wear safety boots with cut retardant mate rial non slip soles and steel toe caps Wear a hard hat if objects could fall on you Wear safety glasses or a face shield and per sonal hearing protection e g ear defenders Wear heavy duty non slip gloves preferably made of leather STIHL can supply a comprehensive range of protective clothing and equipment Transporting the chain saw Always engage the chain brake and attach the chain scabbard even before transporting the saw for short distances When transporting the saw for longer distances more than approx 50 m also stop the engine Always carry the saw by the handlebar with the hot muffler away from your body the guide bar must point to the rear Avoid touching hot parts of the machine especially the surface of the muffler risk of burns In vehicles When transporting in a vehicle properly secure your machine to prevent turnover damage and fuel spillage Chain Saw Safety Manual Refueling Gasoline is an extremely flammable fuel keep clear of naked flames and fire do not spill any fuel no smoking Switch off the engine before refueling Never refuel the machine while the engine is still hot the fuel may spill over risk of fire Open the filler cap carefully so that any e
15. ound Never saw through the bridge while felling otherwise the tree with fall in a direction other than the one planned risk of accident With rotten trunks leave a wider bridge Immediately before felling the tree give out a second warning cry of timber English Thin trunks simple fan cut 10 z N t a gt Engage the spiked bumper behind the hinge Pivot the chain saw around this point only as far as the bridge the spiked bumper rolls against the trunk Large diameter trunks sectioning method zZ g ice t lt a gt So Use the sectioning method if the diameter of the trunk exceeds the length of the chain saw guide bar 1 First cut The nose of the guide bar should enter the wood just behind the hinge hold the saw absolutely horizontally and swing it as far as possible use the spiked bumper as a pivot point reposition the chain saw as little as possible x lt ao Q e 2 While repositioning for the next cut keep the guide bar fully engaged in the cut in order to avoid an uneven felling cut apply the spiked bumper again etc Insert wedge 3 Last cut Position the chain saw as for the simple fan cut do not saw through the hinge Special cutting techniques Plunge cutting and heartwood cutting require training and experience Plunge cutting for felling leaners for relieving cuts during
16. recommends that you consult your doctor and the manufacturer of your pacemaker in order to avoid all health hazards Anyone who has consumed alcohol medicines affecting their ability to react or drugs must not operate a power tool Postpone the work if the weather is bad rain snow ice wind higher risk of accidents Do not cut any material other than wood or wooden objects Other uses are not permitted and may lead to accidents or damage to the machine The machine must not be modified in any way this may also lead to accidents or damage to the machine Only use tools guide bars chains chain sprockets or accessories that have been approved by STIHL for this machine or which are technically equivalent Contact a dealer if in doubt Only use high quality tools or accessories Otherwise there may be a risk of accidents or damage to the machine STIHL recommends the use of genuine STIHL tools guide bars chains chain sprockets and accessories These have been optimized for the product and the user s requirements Clothing and equipment Wear proper protective clothing and equipment Clothing must be sturdy and snug fitting but allow complete freedom of movement Wear snug fit ting clothing with cut retardant pads an overall not a loose fitting jacket Clothing which could become trapped in wood brush or moving parts of the machine should not be worn Do not wear a scarf tie or jewelry when
17. se serious or even fatal injury Observe the national safety regulations issued for example by the employers liability insurance association social security institutions occupational safety and health authorities or other organizations If you have never used a power tool before Ask the salesperson or another expert to explain how to use it safely or attend a training course Minors should never be allowed to use a chain saw except for young trainees over the age of 16 when working under supervision Keep children animals and bystanders well away from the machine When not using the machine it must be laid down in such a way that it does not endanger anyone Ensure that the machine cannot be used without authorization The user is responsible for accidents or risks involving third parties or their property The machine should only be provided or loaned to people familiar with this model and its operation and the Instruction Manual should always be handed over with the machine The machine may only be operated by people who are fit in good physical health and in good mental condition If you have any condition that might be aggravated by strenuous work check with your doctor before operating a power tool If you have a pacemaker The ignition system of your machine produces an electromagnetic field of very low intensity An effect on individual pacemaker types cannot be excluded entirely STIHL
18. truction Manual Reduce the risk of kickback Work cautiously and methodically Hold the chainsaw firmly with both hands and maintain a secure grip Always cut at full throttle Beaware of the location of the guide bar nose Do not cut with the guide bar nose Be especially careful with small tough limbs undergrowth and offshoots the saw chain may become caught in them Never cut several limbs at once Do not lean too far forward Do not cut above shoulder height Use extreme caution when re entering a previous cut Do not attempt plunge cuts if you are not experienced in this cutting technique Be alert for shifting of the log or other forces that may cause the cut to close and pinch the chain English Always cut with a correctly sharpened properly tensioned saw chain the depth gauge setting must not be too large Use low kickback saw chains as well as narrow radius guide bars Pull in A 001BA037 KN When the chain on the bottom of the bar overbucking is suddenly pinched caught or encounters a foreign object in the wood the chain saw may suddenly be drawn forward toward the log to avoid this engage the bumper spike firmly in the wood Pushback B z a 2 Ss lt ao ro When the chain on the top of the bar underbucking is suddenly pinched caught or encounters a foreign object in the wo
19. trunk when limbing Do not cut with the guide bar nose Watch out for limbs that are under tension Never cut several limbs at once English Sawing thin wood Use a sturdy stable fixture sawhorse Do not hold the wood in place with your foot Other persons must neither be allowed to hold the wood nor help in any other way Lying or standing logs under tension Always make the cuts in the correct order first compression side 1 then tension side 2 otherwise the chain saw may pinch or kick back risk of injury 001BA151 KN Zz S N oO lt ao oO Make relieving cut in the compression side 1 Make bucking cut in the tension side 2 11 English If the bucking cut is made from the bottom upwards underbuck risk of pushback fo Lying logs must not touch the ground at the point where the cut is made otherwise the chain will be damaged Ripping zZ x D x ao i Sawing technique without use of the spiked bumper risk of pull in position the guidebar at as shallow an angle as possible be especially careful increased risk of kickback Vibrations Prolonged use of the power tool may result in vibration induced circulation problems in the hands white finger disease 12 No general recommendation can be given for the length of usage because it depends on several factors The period of usage is prolon
20. uts alarms etc cannot be heard properly Take breaks in due time in order to prevent tiredness and exhaustion risk of accidents Keep easily combustible materials e g wood chips bark dry grass fuel away from hot exhaust gases and hot mufflers risk of fire Mufflers with catalytic converters can become especially hot Your power tool produces toxic exhaust fumes as soon as the engine is running These gases may be colorless and odourless and may con tain unburnt hydrocarbons and ben zene Never run the engine indoors or in poorly ventilated areas even if your model is equipped with a catalytic converter Ensure proper ventilation when working in trenches hollows or other confined areas Toxic fumes can kill If you feel sick if you have a headache vision problems e g your field of vision gets smaller hearing problems dizziness or inability to concentrate stop work immediately Such symptoms may be caused by an excessively high concentration of exhaust emissions risk of accident Dust e g sawdust fumes and smoke produced while using the machine may be hazardous to health Wear a dust mask if dust is generated No smoking when working with or near the machine risk of fire Combustible fuel vapor may escape from the fuel system If the machine is subjected to unusually high loads for which it was not designed e g heavy impact or a fall always check that it is in good cond
21. xcess pressure is relieved gradually and fuel does not splash out The machine may only be refueled in a well ventilated place Clean the machine immediately if fuel is spilled Change your clothes immediately if they are contaminated with fuel A number of different filler caps are installed as standard at the factory Close the filler cap as LC tightly as possible after refueling 5 Place the cliplock filler cap bayonet type in position turn it until it will go no further and fold the cliplock down This helps reduce the risk of unit vibrations causing an incorrectly tightened filler cap to loosen or come off and spill quantities of fuel English Before starting Check that saw is properly assembled and in good condition refer to appropriate chapters in the Instruction Manual functional chain brake front hand guard Correctly mounted guide bar Correctly tensioned chain The throttle trigger and throttle trigger interlock must move easily throttle trigger must return automatically to the idle position when released Master control stop switch must move easily to STOP or 0 Check that the spark plug boot is secure A loose boot can lead to flying sparks which may ignite the escaping fuel air mixture risk of fire Never attempt to modify the controls or safety devices Keep the handles dry and clean free from oil and pitch for safe control of the c
22. zontal cut in doing so check the direction of fall with the gunning sight e Start a diagonal cut at an approx 45 angle e Check the felling notch then correct the felling notch if necessary Important Felling notch at right angle to direction of fall As close to the ground as possible cut to a depth of approx 1 5 to 1 3 of the diameter of the trunk Chain Saw Safety Manual Sapwood cuts Felling cut z amp fe wo lt ao S oO With long fibered wood sapwood cuts prevent the sapwood from splintering when felling the trunk saw both sides of the trunk at the level of the felling notch base to approx 1 10 of the diameter of the trunk with thicker trunks not more than the width of the guide bar Do not use sapwood cuts on diseased trees Chain Saw Safety Manual 001BA144 KN Give a warning cry of timber before making the felling cut Make the felling cut D slightly higher than the horizontal cut of the felling notch Exactly horizontal approx 1 10 of the diameter of the trunk must remain standing between the felling cut and the notch bridge Insert wedges in the felling cut in time use only wedges made of wood light metal or plastic no steel wedges Steel wedges damage the saw chain and can cause kickback English zZ a to lt c S o The bridge E functions as a hinge to guide the tree to the gr
Download Pdf Manuals
Related Search