Stihl MS 241 C-M Instruction Manual
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Stihl MS 241 C-M Instruction Manual

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STIHL MS 241 C-M
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Summary of Contents for Stihl MS 241 C-M

  • Page 1 STIHL MS 241 C-M Instruction Manual...

  • Page 3: Table Of Contents

    Taking Care of the Guide Bar Shroud Cleaning the Air Filter M-Tronic Spark Plug Storing the Machine This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. MS 241 C-M...

  • Page 4: Guide To Using This Manual

    STIHL's philosophy is to continually This Instruction Manual refers to a improve all of its products. For this Intake air baffle: summer STIHL chain saw, also called a machine reason we may modify the design, operation in this Instruction Manual.

  • Page 5: Safety Precautions

    Keep bystanders, especially children, Wear a safety hard hat where there is a injury. STIHL excludes all liability for and animals away from the work area. danger of head injuries from falling personal injury and damage to property objects.
  • Page 6 (bayonet-type) in engage the chain brake and attach the have been approved by STIHL for this position, turn as far as chain scabbard. This avoids the risk of machine. If you have any questions in stop and fold the cliplock the saw chain starting unintentionally.
  • Page 7 – danger of immediately by moving the Master injury due to the rotating saw chain. Control lever / stop switch to STOP, 0 or †. MS 241 C-M...
  • Page 8 Check condition and secure fitting – regularly and correct when possible. Store the machine in a safe, dry room. Check sharpness Have the machine repaired by a STIHL – servicing dealer if the saw chain still Never touch the saw chain when the Vibrations continues to move during idling.
  • Page 9 Instruction Manual. All other work should periodically. be carried out by a servicing dealer. Inspect chain catcher – replace if STIHL recommends that maintenance damaged. and repair work be carried out only by Switch off the engine authorised STIHL dealers. STIHL...

  • Page 10: Reactive Forces

    Always cut at full throttle – caught or encounters a foreign object in Be aware of the location of the guide – the wood, the chain saw may suddenly bar nose Do not cut with the guide bar nose – MS 241 C-M...

  • Page 11: Working Techniques

    In these cases, do not use a chain saw – use a hoist, winch or dragline instead. Pull out trunks that are lying about and have been cut free. Whenever possible, deal with them in open areas. MS 241 C-M...
  • Page 12 If there is a risk of fire, do not and off balance. Always engage the use your chainsaw near combustible spiked bumper securely in the tree or limb. MS 241 C-M...
  • Page 13 – other than helpers. chain will otherwise be damaged. of deadwood (dry, decayed or rotted wood) Make sure no-one is endangered by the falling tree – the noise of your engine may drown any warning calls. MS 241 C-M...
  • Page 14 On steep slopes, plan escape – routes parallel to the slope. When walking away along the – escape path, watch out for falling limbs and watch the top of the tree. MS 241 C-M...
  • Page 15 Make cuts at both sides of Leave a broader hinge on rotten the trunk at same height as bottom of – trees. MS 241 C-M...
  • Page 16 English The tree is felled with the felling cut (E). Begin cut by applying the lower Contact your STIHL dealer for advice on portion of the guide bar nose – do selecting the right felling wedge (length, Cut horizontally. –...
  • Page 17 – stabilizing strap (3). Do not cut into the stabilizing strap. – Continue the felling cut on the other side of the trunk. Make sure the second cut is at the same height as the first cut. MS 241 C-M...
  • Page 18 Holding the saw with outstretched arms, cut through the stabilizing Enlarge the felling cut in direction of strap horizontally at the same level holding strap (2). as the felling cut. Cut horizontally. – Do not cut into the holding strap. – MS 241 C-M...
  • Page 19 Enlarge felling cut as far as hinge (2). Do not cut into the hinge. – Enlarge felling cut as far as holding strap (3). Do not cut into the holding strap. Shout a second warning immediately – before the tree falls. MS 241 C-M...

  • Page 20: Cutting Attachment

    If non-matching components are used, the cutting attachment may be damaged Turn the screw (1) beyond repair after a short period of counterclockwise until the tensioner operation. slide (2) butts against the left end of the housing slot. MS 241 C-M...

  • Page 21: Chain Tensioner)

    Mounting the tensioning gear Go to chapter on "Tensioning the Saw Chain" WARNING Wear work gloves to protect your hands from the sharp cutters. Fit the chain – start at the bar nose. Remove and reverse tensioning gear (1) MS 241 C-M...
  • Page 22 (3) relative to one another screw (3); the head of the rear collar screw must protrude into the oblong hole Insert and tighten screw (2) WARNING Put on protective gloves – risk of injury by the sharp cutters. MS 241 C-M...

  • Page 23: Tensioning The Saw Chain (Side Chain Tensioner)

    Check chain tension frequently – see chapter on "Operating Instructions". When fitting the chain sprocket cover, the teeth of the adjusting wheel and the tensioning gear must mesh; if necessary, MS 241 C-M...

  • Page 24: Tensioning The Saw Chain (Quick Chain Tensioner)

    Shut off the engine. Retensioning during cutting work: Wear work gloves to protect your Shut off the engine. STIHL recommends the use of STIHL hands. Pull out the hinged clip and loosen MotoMix. This ready-to-use fuel mix The chain must fit snugly against the wingnut.
  • Page 25 Use only high-quality two-stroke engine location protected from light and the sun. oil – preferably STIHL HP, HP Super or Fuel mix ages – only mix sufficient fuel HP Ultra, which are specially formulated for a few weeks work.

  • Page 26: Fueling

    Raise the grip until it is upright. and do not overfill the tank. The marks on the tank cap and fuel tank STIHL recommends you use the STIHL are then in alignment. filler nozzle for fuel (special accessory). Fill up with fuel.

  • Page 27: Chain Lubricant

    Biological chain oil must be resistant to Right: Bottom of cap in correct posi- aging (e.g. STIHL BioPlus), since it will tion – inner mark is under the otherwise quickly turn to resin. This grip. It is not in line with the results in hard deposits that are difficult outer mark.

  • Page 28: Filling Chain Oil Tank

    Take care not to spill chain oil while work. refilling and do not overfill the tank. Every new chain has to be broken in for STIHL recommends you use the STIHL about 2 to 3 minutes. filler nozzle for chain oil (special accessory).

  • Page 29: Chain Brake

    It is necessary to have it serviced and maintained regularly by trained personnel. STIHL recommends that you have servicing and repair work carried Pull the hand guard back toward the out exclusively by an authorized STIHL front handle, servicing dealer. Maintain the following servicing intervals: NOTICE...

  • Page 30: Winter Operation

    Insert cover plate (1) with both tabs Fit the shroud – see "Shroud" (arrows) and fasten with screws (2) When the mounting kit is used, the shutter must be in the winter position. MS 241 C-M...

  • Page 31: Electric Handle Heating

    Engine can be started by operating the rewind starter. Run position F – a hot engine is started in this position or the engine runs in this position. Start position } – a cold engine is started in this position. MS 241 C-M...
  • Page 32 If the engine is new or after a long out-of-service period or if the tank has been run dry (engine stops), it may be necessary to pull the starter rope several times to prime the fuel system. MS 241 C-M...
  • Page 33 For this reason If the engine does not start: Move properly. you must press in the button before each the Master Control lever (4) to start starting attempt. position } and repeat starting procedure. MS 241 C-M...
  • Page 34 High revs with and has flooded the engine. the chain brake engaged (chain locked) Remove the spark plug – see will quickly damage the clutch and chain "Spark Plug". brake. Dry the spark plug. MS 241 C-M...

  • Page 35: Operating Instructions

    Tension is correct when the chain fits can damage the crankshaft and snugly against the underside of the bar bearings. but can still be pulled along the bar by hand. Retension if necessary – see "Tensioning the Saw Chain". MS 241 C-M...

  • Page 36: Oil Quantity Control

    The saw chain must always be coated (special accessory) – in the area with oil. with the greatest wear Chain type Chain pitch Minimum groove depth Picco 1/4“ P 4.0 mm Rapid 1/4“ 4.0 mm MS 241 C-M...

  • Page 37: Shroud

    Push the air filter in the direction of the filter housing and turn it clockwise at the same time until it Open the twist locks (1) by turning engages – the "STIHL" name must them 1/4 turn counterclockwise with be horizontal. the combination wrench.

  • Page 38: M-Tronic

    – or sooner if the electronically. electrodes are badly eroded. Install only suppressed spark plugs of the M-Tronic stands for easy, fast starting, type approved by STIHL – see constant optimum engine performance, "Specifications". outstanding acceleration and automatic Clean dirty spark plug.

  • Page 39: Storing The Machine

    Using two saw chains in alternation helps preserve the chain sprocket. STIHL recommends use of original STIHL chain sprockets in order to ensure optimal functioning of the chain brake. MS 241 C-M...

  • Page 40: Maintaining And Sharpening The Saw Chain

    – can lead to increased kickback tendency of the chain saw – risk of injury! Clean crankshaft stub and needle cage and lubricate with STIHL lubricant (special accessory) Slide needle cage onto the crankshaft stub MS 241 C-M...
  • Page 41 The chain pitch marking (a) is embossed Sharpening angle Use a file holder in the area of the depth gauge of each STIHL saw chains are sharpened with a Always use a file holder (special cutter. 30° sharpening angle. Ripping chains, accessory, see table "Sharpening tools")
  • Page 42 The depth gauge determines the depth guide bar) in accordance with the to which the cutter penetrates the wood specified angle – according to the and thus the chip thickness. MS 241 C-M...
  • Page 43 0814 252 3356 5605 007 1029 0.404 (10.26) 5.5 (7/32) 5605 772 5506 5605 750 4330 1106 893 4000 0814 252 3356 5605 007 1030 consisting of file holder with round file, taper square file and file gauge MS 241 C-M...

  • Page 44: Maintenance And Care

    Clean, replace filter insert Replace Fuel tank Clean Lubricating oil tank Clean Chain lubrication Check Check, pay attention to sharpness Saw chain Check chain tension Sharpen Check (wear, damage) Clean and turn over Guide bar Deburr Replace Chain sprocket Check MS 241 C-M...
  • Page 45 Safety information label Replace STIHL recommends STIHL servicing dealers During initial use of chain saws (with a power output of 3.4 kW or more), tighten the cylinder block screws after 10 to 20 hours of operation MS 241 C-M...

  • Page 46: Minimize Wear And Avoid Damage

    English STIHL recommends that maintenance Minimize Wear and Avoid and repair work be carried out only by Damage authorized STIHL dealers. STIHL dealers receive regular training and are Compliance with the specifications of supplied with technical information. this Instruction Manual will avoid...

  • Page 47: Main Parts

    19 Front handle (handlebar) 20 Spark plug boot 21 Starter grip 22 Fuel filler cap 23 Master Control lever 24 Throttle trigger 25 Throttle trigger lockout 26 Rear handle 27 Rear hand guard Serial number Depending on model MS 241 C-M...

  • Page 48: Specifications

    Max. chain velocity to Engine ISO 11681: 25.6 m/s MS 241 C-M: 4.5 kg MS 241 C-M VW with handle and carburetor heating: 4.8 kg 6-tooth for 3/8" P STIHL single cylinder two-stroke engine MS 241 C-BEM with ErgoStart Max. chain velocity to Displacement: 42.6 cc...

  • Page 49: Ordering Spare Parts

    When repairing the machine, only use replacement parts which have been Serial number approved by STIHL for this power tool or are technically identical. Only use high- quality replacement parts in order to Guide bar part number avoid the risk of accidents and damage to the machine.

  • Page 50: Disposal

    Produktzulassung (Product Licensing) Model: MS 241 C MS 241 C-BEM The year of manufacture and serial STIHL products must not be thrown in number are applied to the product. MS 241 C-M the garbage can. Take the product, MS 241 C-M VW Done at Waiblingen, 11.03.2016...
  • Page 52 0458-738-0121-B englisch www.stihl.com *04587380121B* 0458-738-0121-B...

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