Stihl MS 240 Instruction Manual Download

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STIHL MS 240

Instruction Manual

Summary of Contents for MS 240

Page 1: ...STIHL MS 240 Instruction Manual...

Page 2: ......

Page 3: ...ting the Bar and Chain front chain tensioner 15 Tensioning the Saw Chain side chain tensioner 16 Tensioning the Saw Chain front chain tensioner 16 Checking Chain Tension 17 Fuel 17 Fueling 18 Chain Lu...

Page 4: ...t against unauthorized use The user is responsible for avoiding injury to third parties or damage to their property Guide to Using this Manual Fuel tank fuel mixture of gasoline and engine oil Tank fo...

Page 5: ...ains chain sprockets and accessories They are specifically designed to match your model and meet your performance requirements Never attempt to modify your power tool in any way since this may increas...

Page 6: ...of the chain saw To reduce the risk of personal injury do not operate your saw if it is damaged or not properly assembled Starting the engine Start the engine at least 3 meters from the fueling spot...

Page 7: ...apor and smoke produced during operation may be dangerous to health If dust levels are very high wear a suitable respirator Check the saw chain at regular short intervals during operation or immediate...

Page 8: ...grip Always cut at full throttle Be aware of the location of the guide bar nose at all times Do not cut with the bar nose Take special care with small tough limbs they may catch the chain Never cut s...

Page 9: ...r saw with the starting throttle lock engaged Engine speed cannot be controlled with the throttle trigger in this position Work calmly and carefully in daylight conditions and only when visibility is...

Page 10: ...ou want the tree to fall Pay special attention to the following points The natural lean of the tree Any unusually heavy limb structure damage The wind direction and speed do not fell in high winds Slo...

Page 11: ...orizontal cut check the direction of fall with the gunning sight N Make angle cut at about 45 N Check the felling notch and correct it if necessary Important Felling notch at a right angle to the plan...

Page 12: ...or plastic wedges Never steel which can damage the chain and cause kickback The hinge E helps control the falling tree Do not cut through the hinge you could lose control of the direction of fall this...

Page 13: ...simple fan cut do not cut through the hinge Special cutting techniques Plunge cuts and heartwood cuts require special training and experience Plunge cutting For felling leaners For relieving cuts duri...

Page 14: ...for limbs which are under tension Never cut several limbs at once When cutting small logs Use a sturdy and stable support sawhorse Never hold the log with your leg or foot Never allow another person...

Page 15: ...maintenance or repairs or cleaning the machine Exception Carburetor and idle speed adjustments Do not turn the engine over on the starter with the spark plug boot or spark plug removed unless the slid...

Page 16: ...components are used the cutting attachment may be damaged beyond repair after a short period of operation Removing the chain sprocket cover N Unscrew the nuts and take off the chain sprocket cover N...

Page 17: ...ts only fingertight N Go to chapter on Tensioning the Saw Chain Removing the chain sprocket cover N Unscrew the nut and remove the chain sprocket cover N Turn the screw 1 counterclockwise until the te...

Page 18: ...underside of the bar N While still holding the bar nose up tighten down the nuts firmly N Go to Checking Chain Tension A new chain has to be retensioned more often than one that has been in use for s...

Page 19: ...ng problems in engines with a manually adjustable carburetor and should not be used in such engines Engines equipped with M Tronic deliver full power when run on gasoline with an ethanol content of up...

Page 20: ...in accordance with local regulations and environmental requirements Preparing the machine N Before fueling clean the cap and the area around it to ensure that no dirt falls into the fuel tank N Alway...

Page 21: ...rly locked if it cannot be turned or removed If the cap can be turned or removed Bottom of cap is twisted in relation to top N Place the cap on the opening and rotate it counterclockwise until it enga...

Page 22: ...special accessory N Close the filler cap There must still be a small amount of oil in the oil tank when the fuel tank is empty If the oil level in the tank does not go down the reason may be a fault...

Page 23: ...ated 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 du...

Page 24: ...he shutter 1 out of the carburetor box cover N Slide the shutter into the slot 2 at the bottom end of the carburetor box cover N Refit the carburetor box cover and lock it with the lever Heated air is...

Page 25: ...ed l press down the throttle trigger lockout and squeeze the throttle trigger at the same time and hold them in that position now set the Master Control lever To select the starting throttle position...

Page 26: ...e knees N Hold the front handle firmly with your left hand your thumb should be under the handle Cranking N Pull the starter grip slowly with your right hand until you feel it engage and then give it...

Page 27: ...en you opened the throttle after starting Starting throttle position n If the engine is warm i e if it has been running for about one minute N Hold and start your saw as described When the engine begi...

Page 28: ...o open the decompression valve depending on model N Now start the engine During the break in period A factory new machine should not be run at high revs full throttle off load for the first three tank...

Page 29: ...ature during work Short term storage Wait for engine to cool down Keep the machine with a full tank of fuel in a dry place well away from sources of ignition until you need it again Long term storage...

Page 30: ...rive link tangs will otherwise scrape along the bottom of the groove the cutters and tie straps will not ride on the bar rails The air filter system can be adapted to suit different operating conditio...

Page 31: ...o halves Cleaning the air filter N Knock the filter out on the palm of your hand or blow it clear with compressed air from the inside outwards If filter is caked with dirt N Wash the filter in STIHL s...

Page 32: ...crew L N Turn the idle speed screw LA counterclockwise until the chain stops moving then turn it another 1 4 turn in the same direction Erratic idling behavior poor acceleration even though standard s...

Page 33: ...uffler reduces the harmful emissions in the exhaust gas The correct carburetor setting if adjustable and strict observance of the prescribed mix ratio of gasoline and two stroke engine oil are essenti...

Page 34: ...or box cover Replacing the Starter Rope N Take out the screws 1 N Push the hand guard upwards N Pull the underside of the fan housing away from the crankcase and remove it downwards N Ease the spring...

Page 35: ...nstall spring clip 3 on starter post and engage it on the pawl s peg the spring clip must point clockwise see illustration Tensioning the Rewind Spring N Make a loop in the unwound starter rope and us...

Page 36: ...de bar clean them and spray with corrosion inhibiting oil N Thoroughly clean the machine pay special attention to the cylinder fins and air filter N If you use a biological chain and bar lubricant e g...

Page 37: ...toward the outside N Refit washer and E clip on the crankshaft Sawing effortlessly with a properly sharpened saw chain A properly sharpened saw chain cuts through wood effortlessly even with very litt...

Page 38: ...rkings for the sharpening angle To check the angles STIHL filing gauge special accessory see table Sharpening tools a universal tool for checking sharpening and side plate angles depth gauge setting a...

Page 39: ...hould have this done in the workshop using an electric sharpener Depth gauge setting The depth gauge determines the depth to which the cutter penetrates the wood and thus the chip thickness a Required...

Page 40: ...e the kickback tendency of the chain saw 689BA052 KN The rest of the humped drive link must not be filed otherwise this could increase the tendency of the chain saw to kick back Sharpening tools speci...

Page 41: ...maged if required Complete machine Visual inspection condition leaks X X Clean X Throttle trigger throttle trigger lockout choke lever stop switch Master Control lever depending on version Check opera...

Page 42: ...X 1 STIHL recommends a STIHL servicing dealer 2 Firmly tighten down the cylinder base screws of professional saws 3 4 kW or more after 10 to 20 hours of operation The following maintenance intervals...

Page 43: ...STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer STIHL dealers are regularly given the opportunity to attend training courses a...

Page 44: ...model 9 Chain catcher 10 Bumper spike 11 Guide bar 12 Oilmatic saw chain 13 Oil filler cap 14 Muffler 15 Front hand guard 16 Front handle handlebar 17 Decompression valve depending on model 18 Starter...

Page 45: ...he sound pressure level and sound power level the K factor in accordance with Directive 2006 42 EC is 2 0 m s2 for the vibration measurement REACH REACH is an EC regulation and stands for the Registra...

Page 46: ...her special accessories File holder with round file Filing gauge Reference gauges STIHL lubricating grease STIHL filler nozzle for fuel helps avoid spills and overfilling during refueling STIHL filler...

Page 47: ...ANDREAS STIHL AG Co KG Badstr 115 D 71336 Waiblingen confirms that the machine described below conforms to the specifications of Directives 2006 42 EC 2004 108 EC and 2000 14 EC and has been developed...

Page 48: ...organization has certified that all products manufactured by STIHL meet the strict requirements of the ISO 9001 standard for quality management systems in terms of product development materials purch...

Page 49: ...MS 240 English 47...

Page 50: ...MS 240 English 48...

Page 51: ......

Page 52: ...www stihl com 04581650121 0458 165 0121 0458 165 0121 englisch G...

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Stihl MS 240, Instruction Manual

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