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STIHL 036 QS
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1. x O lt m 00 138BA005K At temperatures below 10 C 50 F Preheat the carburetor 9 138BA003K In case of stubborn dirt Wash the filter parts in STIHL universal cleaner or in a fresh non flammable cleaning solution e g warm soapy water Dry all parts Never use a brush to clean the fleece filter element Always replace a damaged filter element Reinstall the filter 036 QS Turn twist lock above rear handle 90 counterclockwise Lift off the carburetor box cover vertically 138BA007K Take the shutter 1 out of the carburetor box cover and slide it into the slot 2 at the bottom end of the carburetor box cover The shutter must be returned to the summer position when the outside temperature is higher than 20 C 70 F This is necessary to avoid engine running problems and overheating Refit the filter and carburetor box cover and secure it with the twist lock Heated air is now drawn in from around the cylinder and mixed with cold air to help prevent carburetor icing 37 At temperatures below 10 C 14 F It is advisable to fit the intake air prehea ting kit if you use your saw in extremely cold conditions temperatures below 10 C 14 F in powder or drifting snow When fitted the kit ensures that only heated air is drawn in from around the cylinder it prevents air filter and carburetor icing The rotary shutter for carb
2. Fuel tank capacitiy 0 625 L 1 32 US pt Fuel mixture see chapter Fuel 036 QS Weight Dry without bar and chain 5 8 kg 13 2 Ib Chain lubrication Fully automatic speed controlled rotary oil pump Additional manual oil flow control Oil tank capacity 0 32 0 68 US pt Cutting Attachment Recommended cutting attachments for compliance with 5 12 of ANSI Standard B 175 1 1991 see page 14 of this Manual STIHL reduced kickback bar with green label for 3 8 pitch Rollomatic with sprocket nose 40 45 or 50 cm 16 18 or 20 in STIHL low kickback chain with green label 9 32 mm 8 8 Rapid Micro 2 33 RM 2 36 RM 2 Chain sprocket 7 tooth for 3 8 pitch spur sprocket Since new bar chain combinations may be developed after publication of this Manual ask your STIHL dealer for the latest STIHL recommendations Other bars and chains available for this powerhead are STIHL yellow labeled bars for 3 8 pitch Rollomatic S with sprocket nose 40 45 50 63 cm 16 18 20 24 in Duromatic with stellite tipped nose 40 45 50 or 63 cm 16 18 20 or 24 in STIHL yellow labeled chains for 3 8 pitch Rapid Micro 83 RM 36 RM Rapid Super 33 RS 36 RS 33 RSL Rapid Duro 33 RD In order to comply with the kickback performance requirements of 5 12 of ANSI Standard B 175 1 1991 do not use replacement saw chain unless it has been designated as meeting the
3. at the following intervals Full time professional users every 3 months Semi professional farm and construction industry every 6 months Occasional users every 12 months Information Before You Start don t start the engine yet Z lt o a lt m lt The four positions of the Master Control lever To start the engine move the lever to cold start position 1 do not use force If the Master Control lever is on Run 3 Press down the throttle trigger interlock and move the Master Control lever downward Cold start position Choke shutter is closed throttle trigger is in starting throttle position A cold engine should be started in this position As soon as engine begins to fire move the Master Control lever to warm start position 2 Move the Master Control lever one notch upward 036 QS Starting Warm start position Choke shutter is open throttle trigger is in starting throttle position If you leave the Master Control lever in the cold start position the combustion chamber will flood and stall the engine The Master Control lever must be in warm start position 2 to start a warm engine Also select this position if engine has been running but is still cold The Master Control lever should not be forced to Run position 3 it will move to the Run position as soon as the throttle trigger is activated a I p pe f an 1 JI HIT EHT HAT 111
4. 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 036 QS 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 water 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 mixin
5. ANSI 5 12 requirements on this specific powerhead or has been designated as low kickback saw chain in accordance with the ANSI B 175 1 1991 standard See definition of low kickback chain on page 16 of this Manual 49 Ordering Spare Parts Please enter your saw model machine number as well as the part numbers of the guide bar saw chain and chain sprocket in the spaces provided This will make re ordering simpler The guide bar saw chain and chain sprocket are subject to normal wear and tear When purchasing these parts always quote the saw model the part numbers and names of the parts 50 Model Machine number Guide bar part number Chain part number Sprocket part number For recommended STIHL reduced kickback cutting attachments see section Specifications of this Owner s Manual Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL servicing dealer using original STIHL spare parts Original STIHL parts can be identified by the STIHL part number the logo STIHL and the STIHL parts symbol 57 The symbol may appear alone on small parts 036 QS STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations The U S Environmental Protection Agency EPA a
6. Inch mm mm Inch Part No 1 4 6 35 4 0 5 32 5605 772 4006 3 8 PMN 9 32 4 0 5 32 5605 772 4006 3 8 P 9 32 4 0 5 32 5605 772 4006 0 325 8 25 4 8 3 16 5605 772 4806 3 8 9 32 5 2 13 64 5605 772 5206 0 404 10 26 5 5 7 32 5605 772 5506 File holder Part No 5605 750 4327 5605 750 4327 5605 750 4327 5605 750 4328 5605 750 4329 5605 750 4330 consisting of file holder with round file flat file and filing gauge Filing gauge Flat file Sharpening kit Part No Part No Part No 1110 893 4000 0814 353 3356 5605 007 1027 0000 893 4000 0814 353 3356 5605 007 1026 1110 893 4000 0814 353 3356 5605 007 1027 1110 893 4000 0814 353 3356 5605 007 1028 1110 893 4000 0814 353 3356 5605 007 1029 1106 893 4000 0814 353 3356 5605 007 1030 47 Maintenance Chart Please note that the following maintenance intervals apply for normal operating x 2 gt 8 5 a conditions only If your daily working time is longer than normal or cutting conditions are difficult 59 50 EB very dusty work area tropical hardwood etc shorten the specified intervals accordingly o2 50 2 2 3 B Si Ss s 82 3 E a 8 8 ov cet af E 7 Complete machine Visual inspection condition leaks X X Clean X ee throttle trigger interlock Ma Check operation X X Chain brake Check operation X X 29 30 Have
7. Incorporated warrants to the ultimate purchaser and each subse quent 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 51 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 Warranty Period The warranty period 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 warranted 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 maintenance will be warranted for the period of time up to the first scheduled replacement 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 wil
8. Owner s 18 Manual maintenance instruc tions should be performed by competent chainsaw service personnel For example if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could occur and could be subsequently cause the flywheel to burst When transporting your chain saw use the appropriate chain guard scabbard Other important safety precautions are contained in the body of the Owner s Manual Note When using a chainsaw for logging purposes refer to the Code of Federal Regulations Parts 1910 and 1928 STIHL 036 QS Your STIHL 036 QS is equipped with an additional chain braking system activated by removing the hand from the rear handle As before the chain brake can be activated manually by pushing the front hand guard toward the bar nose or by inertia in certain kickback situations In addition the new system which utilizes a different braking mechanism is designed to stop chain rotation within a second of you letting go of the rear handle The locked chain is not released until you press down the throttle trigger interlock lever again to operate the throttle 148BA000 KN The QS braking system may be activated in three ways 1 By inertia in certain kickback situations 2 Manually via the front hand guard 3 Manually via the rear handle new function The activating m
9. 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 accel eration of the engine can cause the chain to rotate During operation the power head 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 i iL N N o lt m T o Grip the front handle and place the muffler away from the body The chain guard scabbard should be over the chain and the guide bar which should point backwards When carrying your saw the bar should be behind you When removing the scabbard be careful not to contact the chain 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
10. a dry place and away from children Before storing for longer than a few days always empty the fuel tank Mounting the Bar and Chain 143BA034 KN 45BA001 K 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 In addition the drive link gauge must match the guide bar groove width Unscrew nuts and take off cover Turn tensioning screw 1 counterclockwise until the peg of the tensioner slide 2 butts against left end of housing slot 036 QS 143BA004 z x o lt m Disengage the chain brake Pull hand guard 3 toward the front handle Wear work gloves to protect hands Fit the chain start at the bar nose 14 C676 597 e n U I a Loto tit Fit the guide bar over the studs 4 cutting edges on top of bar must point to right and engage the peg of the tensioner slide in locating hole 5 Place the chain over the sprocket 6 at the same time Now turn tensioning screw 7 clock wise until there is very little chain sag on the underside of the bar and the drive link tangs are located in the bar groove 001BA091 KN Refit the sprocket cover and screw on the nuts only finger tight Tension the chain see Tensioning the Saw Chain 25 Tensioning the Saw Chain 133BA024 KN Retensioning during cutting work Turn off the eng
11. blip the throttle trigger your saw is ready for operation 4 so that the Master Control lever Observe safety precautions 3 moves to the normal operating Check chain lubrication before position 5 I and the engine starting work returns to idle speed To turn off engine As the chain brake is still engaged the Move Master Control lever to t engine must be returned to idle speed immediately to avoid damage to the Always disengage the chain brake engine and chain drive clutch before opening the throttle Running the engine at higher revs with the chain brake engaged saw chain at a stand still will quickly damage the engine and chain drive clutch chain brake 036 QS 33 Checking Chain Lubrication Pull off the spark plug boot Take out screw and remove the shroud Unscrew and dry off the spark plug Set the Master Control lever to t Crank the engine several times with the starter to clear the combustion chamber Refit the spark plug and connect the spark plug boot reassemble all other parts Set Master Control lever to warm start JX even if engine is cold Now start the engine Z x lt S X m g Fuel tank run until dry and then refueled If engine doesn t start Pull starter rope several times to The saw chain must always throw off prime the fuel system a small amount of oil If you did not move the Master Control lever to warm start
12. cleaned and serviced by STIHL dealer x 29 30 Filter in fuel tank Check X Clean replace filter element X 28 Fuel tank Clean X Chain oil tank Clean X Chain lubrication Check X 34 Inspect also check sharpness X X 45 Saw chain Check chain tension X X 26 Sharpen X 45 Check wear damage X 38 Guide bar Clean and turn over X X 38 Deburr X Replace X X Chain sprocket Check X 44 Air filter m 2 28 Replace X Cooling inlets Clean X Cylinder fins Clean x Cairo Check idle adjustment chain must not turn X X 39 Readjust idle X 39 Spark plug Readjust electrode gap X 40 All accessible screws and nuts not adjusting screws Retighten X Rubber vibration buffers Have replaced by STIHL dealer X Inspect X 40 Spark arresting screen in muffler Clean or replace 7 40 Chain catcher neck Replace X Tighten down the cylinder base screws firmly after the first 10 to 20 hours of operation 48 036 QS Specifications Engine STIHL single cylinder two stroke engine Displaceent 61 5cm 3 75cu in Bore 48 mm 1 89 in Stroke 34 mm 1 34 in Idle speed 2 800 rpm Ignition System Type Electronic magneto ignition breakerless Spark plug suppressed Bosch WSR 6 F NGK BPMR 7 A or Champion RCJ 6 Y Electrode gap 0 5 mm 0 02 in Spark plug thread M 14x1 25 9 5 mm 0 37 in long Fuel System Carburetor All position diaphragm carburetor with integral fuel pump Air filter Prefilter and bisectional box filter
13. electrode gap it should be 0 5mm 0 02 A readjust if necessary 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 plug after approx 100 operating hours or earlier if the electrodes are badly eroded 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 036 QS Replacing Starter Rope and Rewind Spring 001BA002 KN 001BA003 K lt N o lt a 00 Remove four screws Use screwdriver or suitable pliers Use a screwdriver to pry the rope Push the hand guard upward to carefully remove spring clip 1 out of the starter grip Pull underside of fan housing away from the starter post Remove remaining rope from the from crankcase and remove it Now remove the rope rotor with rotor and starter grip downward washer 2 and pawls 3 Thread the new rope Part No 1122 190 29
14. front hand guard and 2 activation by means of the rear handle there will be a difference in elapsed time before the chain comes to a stop Activation by means of the front hand guard is designed to stop the chain within a fraction of a second The rear handle activating mechanism on the other hand is designed to stop the rota tion of the chain within approximately one second after release of the rear handle A N Warning In order to reduce the risk of personal injury make sure you are familiar with how the additional chain braking system works before cutting with the 036 QS for the first time Observe and become accustomed to the characteristics that make this saw different from other saws that do not have a rear handle braking system See also the chapter Starting in this manual 036 QS Rear handle activated chain braking system Chain brake is activated by throttle trigger interlock lever When that lever and the throttle trigger are released Disengaging this chain brake Press down the throttle trigger interlock lever This releases the clutch drum and allows the chain to rotate 001BA001 KN lt lt m o Hand guard activated chain braking system 001BA000 KN Chain brake is activated by front hand guard When the hand guard is pushed toward the bar nose by the left hand or by inertia in certain kickback situations The chain is brought to a standstill and locke
15. in certain kickback situations It is called a Quickstop chain brake The Quickstop is available as standard equipment on your Stihl chain saw When a kickback occurs the guidebar may rotate around the front handle If the cutting position is such that the operator s left hand ist gripping the front handle behind the hand guard and if the left hand rotates around the front handle and pushes forward the front hand guard which is the Quickstop activating lever this contact will activate the Quick stop The chain brake on most new model STIHL chain saws can also be activated by inertia On QS models the interlock lever and the throttle trigger on the rear handle act as a third means of activation See the chapter entitled chain brake of your owners manual See the chapter entitled Chain Brake of your Owner s Manual Warning Never operate your chain saw 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 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 Brak
16. off the crankshaft clean the crankshaft stub and needle cage and lubricate with STIHL grease tube 0781 120 1111 Reassemble with new rim sprocket and if necessary new clutch drum Fit rim sprocket with cavities facing outward Refit the washer and E clip on the crankshaft Use only original STIHL clutch drums to ensure correct operation of the chain brake 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 Ifyou use a biological 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 036 QS 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 wo
17. 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 occurs 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 chain on the top of the bar 2 Do not cut more than one log at a time 3 Do not twist the saw when withdraw ing the bar from a plunge cut or underbuck cut because the chain can pinch Cutting Technigues 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 001BA088 LA When felling in the vicinity of roads railways
18. quickly enough Never operate your saw without after the engine began to fire the chain lubrication If the chain is run combustion chamber has flooded dry the whole cutting attachment will be irretrievably damaged within Set Master Control lever 1 to gt a very short time Turn the twist lock 2 above the Always check chain lubrication and rear handle 90 counterclockwise oil level in tank before starting work lower illustration Lift off the carburetor box cover 3 Every new chain has to be broken vertically in for about 2 to 3 minutes Clean away loose dirt from around filter After breaking in chain check chain tension and adjust if necessary see Checking Chain Tension 34 036 QS Oil Quantity Control Ex 6 x o lt m LO lt Different quantities of oil are required for different bar lengths types of wood and cutting techniques Use the adjusting screw 1 to vary the oil feed rate as required Most economic setting turn adjusting screw to E Ematic position To increase oil feed turn adjusting screw clockwise To reduce oil feed turn adjusting screw counter clockwise Your chain must always be wetted with a film of lubricant 036 QS 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
19. 00 through the top of the starter grip and then pull through the rope guide bush 4 036 OS 41 Thread the rope through the rotor 42 and secure it with a simple overhand knot x o o lt m o 001BA005 K Coat rope rotor bearing bore with non resinous oil Slide rotor onto starter post turn it back and forth so that anchor loop of rewind spring engages Refit the pawls 5 in the rotor Fit the washer 6 on the starter post Use screwdriver or suitable pliers to install spring clip 7 on starter post and over the pawl pegs the spring clip must point in clock wise direction see illustration 001BA006 K Tensioning rewind spring Make a loop in the starter rope and use it to turn the rope rotor six full revolutions in the direction of the arrow Hold the rotor steady straighten the twisted rope Release the rotor Let go of rope slowly so that it winds onto the rotor The starter grip must sit firmly in the rope guide bush lf the grip droops to one side Increase spring tension by one additional turn 036 OS Replacing a broken rewind spring Lubricate the new spring with a few drops of non resinous oil Remove the rope rotor see Replacing Starter Rope Remove the spring housing and x N o o lt m o o parts of spring Fit the new spring housing bottom plate must face upward When starter rope is fully extended slip outer spring loo
20. 6 17 18 Oilomatic Saw Chain A loop consisting of cutters tie straps and drive links Oil Filler Cap For closing the oil tank Muffler Reduces engine exhaust noise and diverts the exhaust gases away from the operator Front Hand Guard Provides protection against projec ting branches and helps prevent left hand from touching the chain if it slips off the handle bar Front Handle Handle bar for the left hand at front of saw Starter Grip The grip of the starter for starting the engine Master Control Lever Lever for choke control starting throttle run and stop switch position Fuel Filler Cap For closing the fuel tank Throttle Trigger Controls the speed of the engine 19 20 21 22 Interlock Lever and Chain Brake Activator Must be depressed before throttle trigger can be engaged on 036 QS designed to activate Quick stop chain brake when released See definition of Chain Brake for other methods of activation Rear Handle The support handle for the right hand located at or toward the rear of the saw Rear Hand Guard Gives added protection to operator s right hand Decompression Valve Makes starting easier Guide Bar Nose The exposed end of the guide bar not illustrated see chapter Tensioning the Saw Chain Clutch Couples engine to chain sprocket when engine is accelerated beyond idle speed not illustrated Anti Vibration System The anti vi
21. Owner s Warranty Responsibilities As the small off road equipment engine owner you are responsible for the performance of the required mainte nance listed in your owner s manual STIHL Incorporated recommends that you retain all receipts covering mainte nance 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 performance of all scheduled mainte nance Any replacement part or service that is equivalent in performance and durability may be used in non warranty mainte nance 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 coverage if your small off road equipment engine or a part has failed due to abuse neglect improper mainte nance 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
22. QS models be careful not to disengage the chain brake by depressing the interlock lever with your leg Maintain good balance and secure footing Pull the starting grip slowly with your right hand until you feel a definite resistance and then give it a brisk strong pull 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 Never attempt to start the chain saw when the guide bar is in a cut or kerf Warning On QS models as soon as you press down the interlock lever the chain brake is disengaged and allows the chain to run at high speed until you blip the throttle trigger and release the interlock lever again 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 pro perly Failure to follow this procedure may result in injury to hand or fingers and may damage the starter mechanism 10 Important adjustments A Warning To reduce the risk of personal injury from loss of c
23. STIHL 036 QS Assembling Safety Precautions Operating Instructions Maintenance Important Safety Precautions for Chain Saw Users A Kickback Safety Precautions take several steps to keep your cutting jobs free from accident or injury 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 12 of ANSI B 175 1 1991 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 power head 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 With a basic understanding of kickback you can reduce or eli minate the element of surprise Sudden surprise contributes to accidents Keep a good firm grip on the saw with both hands the right hand on t
24. TIHL Main Parts of Saw Carburetor box cover twist lock Spark plug boot Chain sprocket cover Chain sprocket Chain brake Chain catcher Chain tensioner Bumper Spike Guide bar Oilomatic saw chain OCOONOO ROD h 148BA005 KN 11 Oil filler cap 12 Muffler 13 Front hand guard 14 Front handle handlebar 15 Starter grip 16 Master Control lever 17 Fuelfiller cap 18 Throttle trigger 19 Interlock lever and chain brake activator 20 Rear handle 21 Rear hand guard 22 Decompression valve Z x o lt m 00 lt 4 036 QS Definitions 1 Carburetor Box Cover Twist Lock Lock for carburetor box cover 2 Spark Plug Boot Connects the spark plug with the ignition wire 3 Chain Sprocket Cover Covers the clutch and the sprocket 4 Chain Sprocket The toothed wheel that drives the saw chain 5 Chain Brake A device to stop the rotation of the chain May be activated in certain kickback situations by hand contact with the front hand guard or by inertia On model 036 QS may also be activated by releasing the throttle trigger interlock 6 Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar 7 Chain Tensioner Permits precise adjustment of chain tension 8 Bumper Spike Toothed stop for holding saw steady against wood 9 Guide Bar Supports and guides the saw chain 036 QS 10 11 12 13 14 15 1
25. Warning Your chainsaw is a one person saw Do not allow other persons to be near the running chainsaw Start and operate your saw without assistance For specific starting instructions see the appropriate section of the Owners 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 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 Z x D lt m 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 the 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 On
26. Z In the warm start position continue cranking after engine begins to fire As soon as the engine runs immediately blip the throttle trigger VT 143BA017 KN m PR 1 so that the Master Control lever moves Only machines with All versions to Run this is the idling or normal decompression valve operating position 3 Observe safety precautions Press in the button see chapter Safety Precautions To turn off the engine Move the Master Control lever upward Compression pressure is released Push hand guard 1 forward to STOP position 4 when the button is pressed in to lock the chain The stop contact should engage the This helps reduce the effort Press down the throttle trigger contact spring this cuts out the ignition required to pull the starter rope interlock 2 and set Master system Control lever to The valve closes automatically as soon as the engine fires For cold start gt For this reason the button should For warm start X be pressed in before each starting attempt even if engine has been running but is still cold 036 OS 31 143BA020 KN Z lt lt o o lt lt m m x lt a a Place your saw on the ground Alternative method of starting Pull the starter grip slowly with your Make sure you have a firm footing Hold the rear handle tightly right hand until you feel it engage Check that chain is not touching any between your legs just ab
27. actice Use a file holder A file holder must be used for manual resharpening of Super chain The correct filing angle is marked on the file holder 85 70 60 U 80 EP 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 46 File 689BA018 KN correctly If you use a file holder or the FG 1 Leave the chain on the bar Clamp the bar in a vise if necessary Lock the chain push hand guard forward To rotate the chain pull hand guard against front handle Sharpen chain frequently take away as little metal as possible two or three strokes of the file are usually enough Always file from the inside to the outside of the cutter The file only sharpens on the forward stroke lift the file off the cutter on the back stroke 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 Avoid touching the tie straps and drive links with the file Rotate the file at regular intervals while filing this avoids 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 th
28. and power lines etc take extra precautions Inform the police utility company or railway authority before beginning to cut When felling maintain a distance of at least 21 2 tree lengths from the nearest person Note The noise of your engine may drown any warning call 18 lt lt lt m _ Felling Instructions First clear the tree base and work area from interfering limbs and brush and clean its lower portion with an axe Then establish a path of escape B and remove all obstacles This path should be generally opposite to the planned direction of the fall of the tree A and about at a 45 angle An alternate path B must also be selected Place all tools and equipment a safe distance away from the tree but not on the escape path 001BA041 LA If the tree has large buttress roots cut into the largest buttress vertically first horizontally next and remove the resulting piece o m Conventional cut Open face technigue Making sapwood cuts A felling notch determines the A felling notch determines the For medium sized or larger trees direction of the fall direction of the fall make cuts at both sides of the trunk atsame height as subsequent For a conventional cut For an open face cut felling cut Cut tono more than width of guide Properly place felling notch Properly place felling notch bar perpendicular to the line of fall perpendicular to the
29. assembly follow the procedure described in the chapter Mounting the Bar and Chain of your owners 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 kick back and the ANSI B 175 1 1991 chain saw 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 owners manual A Warning Gasoline is an extremely flammable fuel If spilled and 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 ven ted from t
30. at 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 Clothing must be sturdy and snug fitting but allow complete freedom of movement Avoid loose fitting jackets scarfs neckties jewelry flared or cuffed pants 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 Heavy duty 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 To reduce the risk of injury to your eyes never operate a chainsaw unless wear ing goggles or properly fitted safety glasses with adequate top and side protection complying with ANSI Z 87 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 C 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
31. bration system includes a number of buffers designed to reduce the transmission of vibrations created by the engine and cutting attachment to the operator s hands 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 precautions and warnings Read the owners manual and the safety instructions periodically Pay special attention to the section on reactive forces 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 axe ora 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 Warning Minors should never be allowed to use a chainsaw Bystanders especially 6 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 loc
32. can be dissipated by flow of cooling air This protects engine mounted compo nents ignition carburetor from thermal overload 35 After Finishing Work Air Filter System 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 138BA005K Before storing your saw for a long period Dirty air filters reduce engine power See chapter Storing the machine increase fuel consumption and make starting more difficult Different air filters may be installed to adapt the machine to the prevailing operating conditions x a lt m 00 Fabric filter for normal cutting conditions and winter operation Fleece filter for dry and very dusty Unscrew the slotted nuts 4 work areas Remove filter Separate the two halves of the filter Clean the air filter Take the foam element 5 out of when there is a noticeable loss of the front half of the filter 6 and engine power clean or replace it Knock out both elements or blow Set Master Control lever 1 to gt out with compressed air from the Turn the twist lock 2 above the inside outward rear handle 90 counterclockwise lower illustration Lift off the carburetor box cover 3 vertically Clean away loose dirt from around filter 36 036 QS Winter Operation
33. 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 22 A 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 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 slope stand on the uphill side of the log Watch out for rolling logs lt L TT LO o lt m T Q 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 lt D z 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 t
34. 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 28 Filling Chain Oil Tank z lt o lt m Thoroughly clean the oil filler cap and the area around it 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 036 QS Chain Brake OO Your STIHL 036 QS features an additional chain braking system This system is designed to activate the chain brake when you remove your right hand completely from the rear handle Since the mechanisms are different for 1 inertia or manual activation by means of the
35. crew 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 behavior poor acceleration Idle setting is too lean Turn the low speed adjusting screw L counterclockwise no further than stop until engine runs and accelerates smoothly 39 Spark Arresting Screen in Muffler Z x lt o lt m LO lt 145BA044 KN If engine is down on power check the spark arresting screen in the muffler 40 Allow muffler to cool down Take out the four screws Remove the muffler upper casing 4 Bend back the retaining tabs 5 Pull out the spark arresting screen 6 Clean spark arresting screen if necessary If screen is damaged or coked up fit a new one Refit the spark arresting screen in the reverse sequence Checking Spark Plug 000BA039 KN 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
36. d in position 001BA100 KN Disengaging this chain brake Pull the hand guard toward the front handle 29 The hand guard activated chain brake may be engaged 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 any way A Warning If the engine idling speed is set too high the chain may start to rotate when the hand guard is pulled back Check operation of rear handle activated function of chain brake Before starting work Open the throttle fully and then release the rear handle The chain must stop moving within less than a second 30 Check operation of hand guard activated chain brake Before starting work Run engine at idle speed engage the chain brake push hand guard toward bar nose Open the throttle wide for no more than 3 seconds The chain must not rotate The hand guard must be free from dirt and move freely In case of any doubt about the above functions contact your STIHL dealer for assistance Do not use your chainsaw if chain braking systems are not funktioning properly 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
37. dangerous In any chainsaw the powerful force used to cut wood can be reversed and work against the operator If the rotating chain is suddenly stopped by contact with any solid object like a log or branch or is pinched the reactive 001BA093 LA forces may occur instantly These reactive forces 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 help you avoid loss of control The most common reactive forces are kickback pushback pull in Kickback Kickback occurs when the upper quadrant of the bar nose contacts a solid object or is pinched 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 lt m LO lt m p 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 react
38. e and Maintenance Repair and Storing of your Owner s Manual In addition there must be enough distance between 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 chain saw 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 15 entitled Chain Brake Make also sure that the chain is not turning at idle speed see above Important Adjustments 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 Low kickback chain Some types of saw chain have specially design
39. e 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 Special accessory Depth gauge setting The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the chip removed Distance between depth gauge and cutting edge a Sharpening tools Chain Depth gauge pitch distance a Inch mm mm Inch z 1 4 6 35 0 65 0 026 9 3 8 PM 9 32 0 65 0 018 q 3 8 PMN 9 32 0 45 0 026 0 325 8 25 0 65 0 026 3 8 9 32 0 65 0 026 0 404 10 26 0 80 0 031 This setting may be increased by 0 2 mm 0 008 for cutting softwood in mild weather season no frost 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 Na a o lt m Q co o 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 Chain pitch Round file Round file
40. echanism for function 3 is integrated in the throttle trigger interlock lever rear handle One of the big advantages of this system is that the saw chain is locked when carrying the running saw by the front handle with the rear handle released QUICKSTOP Warning Due to the way it functions the QS braking system may cause the saw to react in an unaccustomed manner To avoid personal injury during cutting observe the characteristics that make the STIHL 036 AS different from saws that do not have such a braking system Before operating the STIHL 036 QS for the first time make sure you are familiar with how the QS system works Pay special attention to the chapters Chain Brake and Starting in this manual 036 QS Contents Main Parts of Saw Definitions Safety Precautions The Operator The Saw The Use of the Saw Maintenance Repair and Storing Mounting the Bar and Chain Tensioning the Saw Chain Checking Chain Tension Fuel Mix Fueling Chain Lubricant Filling Chain Oil Tank Chain Brake Information Before You Start Starting Checking Chain Lubrication Oil Quantity Control During Break in Period During Operation After Finishing Work Printed on chlorine free paper 2000 Andreas Stihl AG amp Co Waiblingen 0458 148 3021 MO 5 FO PM Printed in USA 036 QS Air Filter System Winter Operation Taking Care of Guide Bar Adjusting Carburetor Motor Management Spark Arresting Scre
41. ed 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 combina tions may be developed after publication of this litera ture which will in combina tion with certain powerheads comply with 5 12 of ANSI B 175 1 1991 Check with your STI HL dealer for such combinations A Warning Do not mount a bow guide on any STIHL chain saw 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 lt J co lt m 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 risc of enjury stop using the saw immediately if the chain brake does not function properly Risk of injury Take the saw to your local STIHL Service Centre Do not use the saw until the fault 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
42. ed components to reduce the force of nose contact kickback STIHL has developed low kickback chain for your powerhead A Warning A dull or improperly sharpened chain may reduce or negate the effects of the design features intended to reduce 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 Always cut with a properly sharpened chain 16 A Warning Reduced kickback bars and low kick back chains do not prevent kickback but they are designed to reduce the risk of kickback 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 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 4 Don t overreach Don t cut above shoulder height Beg
43. en in Muffler Checking Spark Plug Replacing Starter Rope and Rewind Spring Checking and Replacing Chain Sprocket Storing the Machine Maintaining and Sharpening Saw Chain Maintenance Chart Specifications Ordering Spare Parts STIHL Incorporated Federal Emission Control Warranty Statement This Manual contains operating and safety instructions for all STIHL 036 QS series power saws Pay special attention to the safety precautions outlined on the inside cover and on pages 6 to 24 Allow only persons who understand this Manual to operate your chain saw To receive maximum performance and satisfaction from your STIHL chainsaw it is important that you read and under stand the maintenance and safety 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 Warning Because a chainsaw 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 S
44. g 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 see chapter Chain Brake 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 brake performance on the drum For these reasons each STIHL chain saw should be returned to trained personnel such as your STIHL servicing dealer for periodic 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 24 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
45. g oil canisters only at authorized disposal locations 036 OS Fueling z x lt m z 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 143BA009 KN Change the fuel pick up body every year Before storing your machine for a long period drain and clean the fuel tank and run engine until carburetor is dry 27 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
46. he fuel system Fueling Instructions Fuel your chainsaw in well ventilated areas outdoors only Always shut off the engine and allow it to cool before refueling 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 gas 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 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 Warning Unit vibrations can cause an improperly tightened fuel cap to loosen or come off and spill quantities of fuel In order to re duce risk of fuel spillage and fire tighten fuel cap by hand with as much force as possible The screwdriver end of the STIHL combination wrench or other similar tool can be used as an aid in tightening slotted fuel Starting caps A
47. he rear handle and the left hand on the front handle when the engine is run ning 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 Make sure the area in which you are cutting is free from obstruc tions Do not let the nose of the guide bar contact a log branch or any other obstruction while you are operating the saw Cut at high engine speeds 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 manu facturer 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 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 Donot operate a chainsaw when you are fatigued 3 Use safety footwear snug fitting clothing protective gloves and eye hearing and head protect ion devices Use caution when handling fuel Move the chainsaw at least 10 feet 3 m from the fueling point before starting the engine Do not allow other persons to be near the cha
48. he 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 dam aged improperly adjusted or not com pletely or securely assembled Follow the maintenance and repair instructions in the appropriate section of your Owners Manual especially those in the chapters Mounting the bar and chain Maintaining and Sharpening and Chain Brake 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 changing the saw chain or cleaning the saw Do not attempt any maintenan ce or repair work not described in your Owners Manual Have such work performed at your STIHL service shop only A Warning Ne
49. in cutting and continue at full throttle o u 10 11 12 Cut only one log at a time Use extreme caution when re entering a previous cut Do not attempt to plunge cut if you are not experienced with these cutting techniques Be alert for shifting of the log or other forces that may cause the cut to close and pinch the chain Maintain saw chain properly Cut with a correctly sharpened properly tensioned chain at all times Stand to the side of the cutting path of the chainsaw lt C N m o lt m o o 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 Pushback Pushback occurs when the chain on the top of the bar is suddenly stopped when it is pinched caught
50. ine and then slacken the nuts Hold the bar nose up and use screwdriver to turn tensioning screw 1 clockwise until chain fits snugly against the underside of the bar while still holding bar nose up tighten down the nuts firmly A new chain has to be retensioned more often than one that has been in use for some time 26 Checking Chain Tension 143BA052 LA Checking chain tension Turn off the engine Wear work gloves to protect your hands Pull the hand guard toward the rear handle Press down throttle trigger interlock to release the chain brake Chain must fit snugly against the underside of the bar and with the chain brake disengaged it must still be possible to pull the chain along the bar by hand Release the throttle trigger interlock f necessary retension the chain A new chain has to be retensioned more often than one that has been in use for some time Fuel Mix 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
51. insaw when starting or cutting with the chainsaw Keep bystanders and animals out of the work area Do not start cutting until you have a clear work area secure footing and a planned retreat path from the falling tree Keep all parts of your body away from the saw chain when the engine is running Before you start the engine make sure that the saw chain is not contacting anything Garry the chainsaw with the engine stopped the guide bar and saw chain to the rear and the muffler away from your body 10 11 12 13 14 15 16 17 Continuation of Important Safety Precautions Do not operate a chainsaw that is damaged improperly adjusted or not completely and securely assembled Be sure that the saw chain stops moving when the throttle trigger is released Shut off the engine before setting the chainsaw down Use extreme caution when cutting small size brush and saplings because slender mate rial may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that you will not be struck when the tension in the wood fibers is released Keep the handles dry clean and free of oil or fuel mixture Operate the chainsaw only in well ventilated areas Do not operate a chainsaw ina tree unless you have been specifically trained to do so All chainsaw service other than the items listed in the
52. ion 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 Some STIHL bar and chain types are de signed to reduce kickback forces STIHL recommends the use of reduced kick back bars and low kickback chains ANSI B 175 1 1991 chainsaw kick back standard Section 5 12 of ANSI standard B 175 1 1991 sets certain performance and design criteria related to chainsaw kickback To comply with section 5 12 of ANSI B 175 1 1991 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 These kickback requirements do not apply to chainsaws fitted with bow guides Use of bow guides may result in serious or fatal injury See section entitled Bow Guides of this manual The computer derived angles for saws be
53. istance 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 damaged 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 Clear the area where you are working A Warning Avoid stumbling on obstacles such as stumps roots or rocks and watch out for holes or ditches 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 operator 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 theska
54. ked 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 thesaw 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 vibrations may produce whitefinger disease Raynaud s phenomenon or carpal tunnel syndrome These condi tions reduce the hand s ability to feel and regulate temperature produce numb ness and burning sensa
55. kwards 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 001BA046 L 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 hinge and pivot the saw around this point only as far as the hinge The spiked bumper rolls against the trunk a l N lt o lt m y o o Felling cut for large diameter trees sectioning method Warning Felling a tree that has a diameter greater than the length of the guide bar reguires 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 technigues 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 L Avoid repositioning the saw
56. l charge you for the cost of the emission test 52 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 Warranty Work STIHL Incorporated shall remedy warranty 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 maintenance 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 following list specifically defines the emission related warranted parts 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
57. line Powered Chain Saws when tested on a selected repre sentative sample of chainsaws below 3 8 cubic inch displacement specified in ANSI B 175 1 1991 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 cutting 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 the packaging are designed to reduce the risk of kickback injury The matching 14 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 expe rience 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 label
58. line of fall close to the ground close to the ground This is especially important in soft Cut down at app 45 degree angle Cut down at app 50 degree angle wood in summer it helps prevent to a depth of about 1 5 to 1 4 of the to a depth of app 1 s to 1 4 of the sapwood splintering when the tree trunk diameter trunk diameter falls Make second cut horizontal Make second cut from below at Remove resulting 45 degree piece app 40 degree angle Remove resulting 90 degree piece 19 B ie a a e 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 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 to 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 20 Leave approx 10 of diameter uncut 001BA045 L C Hinge Helps control the falling tree Do not cut through the hinge you could lose control of the direction of the fall A 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 bac
59. low 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 12 of ANSI B 175 1 1991 may bear no rela tionship to actual kickback bar rotation angles that may occur in real life cutting situations Compliance with 5 12 of ANSI B 175 1 1991 does not automatic ally mean that in a real life kickback the bar and chain will rotate at most 45 A Warning In order for powerheads below 3 8 cubic inch displacement to comply with the computed kickback angle requirements of 5 12 of ANSI B 175 1 1991 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 13 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 12 of ANSI B 175 1 1991 Some low kickback chains have not been tested with all powerhead and bar combinations 1 Low kickback saw chain is a chain which has met the kickback perfor mance requirements of 5 12 2 4 of ANSI B 175 1 1991 Safety Require ments for Gaso
60. ming without the addition of any major hardware The carburetor is set at the factory to provide an optimum fuel air mixture under all operating conditions It enables your machine to run smoothly be fuel efficient operate reliably and produce low emissions Standard setting and explanation of setting pictograms Check the air filter and clean or replace it if necessary Check the spark arresting screen and clean or replace it if necessary Turn the high speed adjusting gy screw H counterclockwise up to 9 4 the stop i e 3 4 turn from max lean setting Turn the low speed adjusting Ty screw L clockwise up to the stop 7 4 then back off the screw one quarter of a turn 036 QS Z x o a o lt m 00 Correction of carburetor setting for higher altitudes If the engine runs unsatisfactorily slight readjustment may be necessary Check standard setting warm up the engine Turn the high speed adjusting screw H and low speed adjusting screw L clockwise leaner A Warning If you make the setting too lean the maximum permissible engine speed will be exceeded risk of engine damage Setting idle speed It is usually necessary to change the setting of the idle speed adjusting screw LA after every correction to the low speed adjusting screw L Engine stops while idling Turn the idle speed adjusting screw LA clockwise until chain begins to run then back off the s
61. more than necessary When repositioning for the next cut keep the guide bar fully enga ged 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 001BA049 LA 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 re cess is to be cut With the saw at full throttle insert the guide bar in the trunk Enlarge the plunge cut as shown in illustration 21 A 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 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 A Warning There is an extreme danger of kickback during the limbing operation Do not work with the nose of the bar Be extremely
62. nd STIHL Incorporated are pleased to explain the Emission Control System Warranty on your equip ment type engine In the U S 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 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 036 QS you including diagnosis if the diagnostic work is performed at an authorized dealer parts and labor Manufacturer s Warranty Coverage In the U S 1997 and later model year small off road equipment engines are 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
63. ontrol 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 owners manual If you cannot set the correct idle speed have your STIHL dealer check your saw and make proper adjustments or repairs 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 A Warning Your chainsaw produces poisonous exhaust fumes as soon as the combusti ble 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 Even an oil mist from chain lubrication and sawdust are health hazards 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 hot Operate the saw under good visibility and daylight conditions only Don t work alone Keep within calling d
64. ove the then give the grip a brisk strong pull object or the ground knees and push down the front handle Bystanders must be well clear of Grip the front handle firmly with at the same time general work area of the saw your left hand do not pull out starter rope more your thumb should be under the than 70 cm about 28 in it might Hold the saw firmly on the ground handle break with your left hand on the front Do not let the starter grip snap back handle guide it slowly into the housing your thumb should be under so that the starter rope can rewind the handle properly Put your right foot into the rear If engine is new pull starter grip handle and press down several times to prime the fuel line 32 036 QS At very low outside temperatures Allow engine to warm up As soon as the engine runs Blip the throttle trigger to disengage it from starting throttle position Master Control lever will move to normal operating position engine settles down to ide speed Open throttle slightly warm up engine for short period Change over to winter operation if necessary see chapter Winter Operation Z Z x lt 3 5 lt lt m m x lt When engine begins to fire Press down the interlock lever Move Master Control lever 3 Immediately pull the hand guard to Jx and continue cranking back toward the front handle the Assoon as engine runs chain brake is now disengaged immediately
65. p over lug it must be possible to rotate the Reinstall the rope rotor tension the rotor at least another half turn If rewind spring fit the fan housing this is not the possible the spring and secure in position is overtensioned and could break Ifthe spring pops out of its housing Take off one turn of the rope during installation refit it in the Fit the fan housing on the counterclockwise direction starting crankcase outside and working inward Setthe Master Control lever to Push the remaining rope into the starter grip so that the nipple 8 is flush with the grip 036 QS 43 Checking and Replacing Chain Sprocket l 4 il Replace the chain sprocket after using two Oilomatic chains or sooner if the wear marks on the sprocket are deeper than approx 0 5 mm 64 since this would reduce the life of the chain Check wear marks You can use gauge 0000 893 4101 to check the depth of the wear marks Special accessory It is best to use two chains in rotation with one sprocket Before removing the chain sprocket Remove chain sprocket cover chain and guide bar Disengage the chain brake Pull hand guard toward front handle 44 Rim sprocket Use a screwdriver to remove the E clip Take off the washer and rim sprocket Examine splines on clutch drum if wear marks are severe fit a new clutch drum Contact your STIHL dealer for assistance Pull clutch drum and needle cage
66. 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 Important Always disengage the chain brake before opening the throttle Running the engine at higher revs with the chain brake engaged saw chain at a standstill will quickly damage the engine and chain drive clutch chain brake During Operation Check chain tension frequently A new 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 idle speed so that engine heat
67. 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 036 QS j 5 gt i i F i a H A P Y 4 F 4 a x y i 5 l 4 r k 5 i l k ne r P r e i gt E a s d E A n 2 F x x z P a i i r i a 3 x af P 9 r i y i A J f t n P i A t z 7 P i P 5 m k gt i k Pi s b i n K ts j s A a p j n C k D F F F b 3 u Ry i Mg i aa i E k m is k y y a a 4 s 4 aa a m l k I r i a 4 ls cep F i AF s m a i P i j l f hann 4
68. rn parts of the chain and match the new parts to the shape and size of the original parts Important It is absolutely imperative 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 danger of injury Select the appropriate sharpening tools for the chain pitch See Technical Data for the permitted chain pitches The chain pitch e g 3 8 is marked on the depth gauge side of each cutter Use only special saw chain files Other files have the wrong shape and cut Select file diameter according to chain pitch see table at the end of this chapter You must observe certain angles when resharpening the chain cutters x o a o lt m Q co o 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 Specified angles A and B are obtained automatically if recommen ded 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 guickly and finally break 45 689BA025 KN As these requirements can be met only after sufficient and constant pr
69. rying 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 11 lt L al T lt m Such objects may be flung off damage the saw chain or cause the saw to kick back In order to keep control of your saw always maintain a firm foothold Never work on a ladder or on any other insecure support Never use the saw above shoulder height 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 12 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 Reactives forces may occur any time the chain is rotating Reactives forces can be
70. ting 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 Place 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 a lt m A E 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 A Warning Do not cut any material other than wood or wooden objects Use your chainsaw for cutting only It is not designed for p
71. tions 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 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 chain saws 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 increase cutting time and pressing a dull chain through wood will increase the vibrations transmitted to your hands A saw with loose components 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 th
72. uretor prehea ting must be fully open when the intake air preheating kit is fitted If your saw is very cold frost or ice on machine start the engine and keep it at a high idle speed with chain brake disengaged until it reaches normal operating temperature The air filter may load up faster when you use intake air preheating clean it more frequently In the event of engine running problems first check that conditions for use of intake air preheating still apply Special accessory 38 Taking Care of Guide Bar z x co a lt m Turn the bar over every time you sharpen the chain and every time you replace the chain this helps avoid one sided wear especially at nose and underside of the bar Regularly clean oil inlet hole oilway bar groove ON i Measure groove depth with scale on filing gauge at nose of Duromatic bars in area used most for cutting on Rollomatic bars Chain Pitch Minimum type groove depth Rapid 3 8 6 0 mm If groove depth is less than specified Replace the guide bar The drive link tangs will otherwise scrape along the bottom of the groove the cutters and tie straps will not ride on the bar rails Special accessory 036 QS 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 ti
73. ver 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 in crease the risk of fire and hearing loss Never touch a hot muffler or burn will 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 23 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 Warnin
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