Stihl MS 271 Instruction Manual
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Stihl MS 271 Instruction Manual

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MS 271, 291
2 - 44
Instruction Manual

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  • Page 1 MS 271, 291 2 - 44 Instruction Manual...

  • Page 2: Table Of Contents

    Mounting the Bar and Chain (side chain ten‐ Guide to Using this Manual sioner)............16 Mounting the Bar and Chain (quick chain This Instruction Manual refers to a STIHL chain tensioner)..........17 saw, also called a machine in this Instruction Tensioning the Saw Chain (side chain ten‐...

  • Page 3: Safety Precautions

    Engineering improvements the work in poor weather conditions (rain, snow, ice, wind). STIHL's philosophy is to continually improve all of its products. For this reason we may modify Persons with pacemakers only: The ignition sys‐ the design, engineering and appearance of our tem of your chain saw produces an electromag‐...
  • Page 4 (e.g. leather). match your model and meet your performance requirements. Refuelling STIHL can supply a comprehensive range of per‐ Gasoline is an extremely flammable sonal protective equipment. fuel – keep clear of naked flames and fire – do not spill any fuel – no smok‐...
  • Page 5 2 Safety Precautions English cap, hose connections and the manual fuel pump (on machines so equipped). If there are any leaks or damage, do not start the engine – risk of fire. Have your saw repaired by a serv‐ icing dealer before using it again. –...
  • Page 6 (e.g. tingling correct when possible. Have the machine sensation in fingers), seek medical advice. repaired by a STIHL servicing dealer if the saw chain still continues to move during idling. 2.14 Maintenance and repairs...

  • Page 7: Reactive Forces

    – risk of fire due to the fuel. Check fuel cap regularly for tightness. Use only spark plugs that are in perfect condition and have been approved by STIHL – see "Speci‐ fications". Check ignition lead (insulation in good condition, secure connection).

  • Page 8: Working Techniques

    English 4 Working Techniques object, e.g. when another limb is touched acci‐ the chain pulls the saw forward – to reduce this dentally during limbing. risk, always engage the spiked bumper securely – when the chain at the nose of the guide bar is in the tree or limb.
  • Page 9 4 Working Techniques English Country-specific legislation on felling technique chain saw in the vicinity of easily combustible must be complied with during felling work. materials, dry plants or scrub. It is mandatory that you ask the responsible forestry office about Sawing the current fire hazard.
  • Page 10 English 4 Working Techniques Preparing for felling erwise the cutting attachment may stick in the cut or kick back – risk of injury! Check that there are no other persons in the fell‐ ing area – other than helpers. Make sure no-one is endangered by the falling tree –...
  • Page 11 4 Working Techniques English – Clear escape paths, eliminate obstacles Determine direction of fall with gunning sight on – Put down tools and equipment at a safe dis‐ cover and fan housing tance – but not on the escape paths –...
  • Page 12 English 4 Working Techniques Sapwood cuts – With rotten trunks, leave a wider strip Plunge cutting – For relieving cuts during shortening – For wood carving Sapwood cuts in long-fibered softwood help pre‐ vent sapwood splintering when the tree falls. Make cuts at both sides of the trunk at same ►...
  • Page 13 – reposition logue to felling cut (E)). the chainsaw as little as possible Contact the STIHL dealer for the selection of the ► Make the felling cut up to the hinge (1) felling wedge (suitable length, width and height).
  • Page 14 English 4 Working Techniques ► Make the felling cut up to the stabilizing ► Make the felling cut towards the holding strap strap (3) – Do not cut into the stabilizing strap – Cut horizontally – Do not cut into the holding strap. The felling cut must be continued on the oppo‐...

  • Page 15: Cutting Attachment

    5 Cutting Attachment English Chain Scabbard ► Tip of the guide bar must penetrate the wood before the holding strap (4) – guide the chain‐ saw absolutely horizontally and swivel as widely as possible ► Make the felling cut up to the hinge (5) –...

  • Page 16: Mounting The Bar And Chain (Side Chain Ten- Sioner)

    English 6 Mounting the Bar and Chain (side chain tensioner) Mounting the Bar and Fitting the chain Chain (side chain ten‐ sioner) Removing the chain sprocket cover WARNING Wear work gloves to protect your hands from the sharp cutters. ► Fit the chain – start at the bar nose. ►...

  • Page 17: Mounting The Bar And Chain (Quick Chain Tensioner)

    7 Mounting the Bar and Chain (quick chain tensioner) English Mounting the Bar and Chain (quick chain ten‐ sioner) Removing the chain sprocket cover ► Position the tensioning gear (1) against the guide bar (3) so that the stud (4) projects through the upper hole and the short guide peg (5) locates in the lower hole.
  • Page 18 English 7 Mounting the Bar and Chain (quick chain tensioner) Fitting the saw chain ► Guide the drive link into the bar groove (see arrow) and turn the tensioning gear to the left as far as possible ► Fit the chain sprocket cover so that the wing‐ WARNING nut locates on the collar screw (3).

  • Page 19: Tensioning The Saw Chain (Side Chain Tensioner)

    11.1 STIHL MotoMix STIHL recommends the use of STIHL MotoMix. This ready-to-use fuel mix contains no benzol or lead, has a high octane rating and ensures that you always use the right mix ratio.

  • Page 20: Fueling

    Unsuitable fuels or lubricants or mix ratios other unusable. than those specified may result in serious dam‐ STIHL MotoMix may be stored for up to 2 years age to the engine. Poor quality gasoline or without any problems. engine oil may damage the engine, sealing rings, ►...
  • Page 21 Opening 12.3 Filling Up with Fuel Take care not to spill fuel while fueling and do not overfill the tank. STIHL recommends you use the STIHL filler noz‐ zle for fuel (special accessory). ► Fill the fuel tank. 12.4 Closing ►...

  • Page 22: Chain Lubricant

    Bottom of cap is twisted in relation to top. Biological chain oil must be resistant to aging ► Remove the cap from the fuel tank and check (e.g. STIHL BioPlus), since it will otherwise it from above. quickly turn to resin. This results in hard deposits that are difficult to remove, especially in the area of the chain drive and chain.

  • Page 23: Filling Chain Oil Tank

    ► Refill the chain oil tank every time you refuel. Take care not to spill chain oil while refilling and do not overfill the tank. STIHL recommends you use the STIHL filler noz‐ zle for chain oil (special accessory). ► Close the filler cap.

  • Page 24: Winter Operation

    STIHL recom‐ s (summer operation) without fail, otherwise mends that maintenance and repair work be car‐ the engine may malfunction due to overheat‐ ried out only by authorised STIHL dealers. The following intervals must be complied with: Full-time use: quarterly...

  • Page 25: Starting / Stopping The Engine

    18 Starting / Stopping the Engine English 17.2 At temperatures below -10 °C Cold start l – this position is for starting the cold engine In case of erratic idling behavior or poor acceler‐ ation 18.2 Adjusting the master control ►...
  • Page 26 English 18 Starting / Stopping the Engine 18.4.1 On the ground 18.4.2 Between the knees or thighs ► Place the chain saw securely on the ground – ► Clamp the rear handle between the knees or assume a steady stance- the saw chain must thighs not touch any objects and also must not touch ►...
  • Page 27 18 Starting / Stopping the Engine English 18.6 Starting the chain saw ► With the right hand, pull the starter grip slowly until you feel it engage – and then give it a brisk strong pull – simultaneously press down WARNING on the handlebar –...

  • Page 28: Operating Instructions

    English 19 Operating Instructions Position warm start n NOTICE – If engine is warm (once the engine has been running for approx. one minute) Open the throttle only when the chain brake is ► Hold and start the chain saw off.

  • Page 29: Taking Care Of The Guide Bar

    20 Taking Care of the Guide Bar English 19.2 During work NOTICE NOTICE Always slacken off the chain again after finishing work. The chain contracts as it cools down. If it is Do not make the mixture leaner to achieve an not slackened off, it can damage the crankshaft apparent increase in power –...

  • Page 30: Shroud

    English 21 Shroud 21 Shroud 22.2 HD2 filter 21.1 Remove shroud ► Move the Master Control Lever to the stop position 0 ► Push the front hand guard forwards – the saw chain is blocked ► HD2 filter (black filter frame, pleated filter material) for extreme wintry conditions (e.g.

  • Page 31: Adjusting The Carburetor

    24 Adjusting the Carburetor English ► Wash the filter in STIHL special cleaner (spe‐ The carburetor has been adjusted for optimum cial accessory) or a clean, non-flammable sol‐ performance and fuel efficiency in all operating ution (e.g. warm soapy water). Rinse the filter states.

  • Page 32: Spark Plug

    ► Clean dirty spark plug. eroded. Install only suppressed spark plugs of ► Check electrode gap (A) and readjust if neces‐ the type approved by STIHL – see "Specifica‐ sary – see "Specifications". tions". ► Rectify the problems which have caused foul‐...

  • Page 33: Storing The Machine

    26 Storing the Machine English ► If you use a biological chain and bar lubricant, e.g. STIHL BioPlus, completely fill the chain oil tank. ► Store the machine in a dry, high or locked location, out of the reach of children and other unauthorized persons.

  • Page 34: Maintaining And Sharpening The Saw Chain

    27.2 Install spur chain sprocket / rim sprocket ► Clean crankshaft stub and needle cage and lubricate with STIHL lubricant (special acces‐ sory) ► Slide needle cage onto the crankshaft stub ► After refitting, turn the clutch drum and/or spur chain sprocket approx.
  • Page 35 A Sharpening angle 28.5 To check the angles STIHL saw chains are sharpened with a 30° sharpening angle. Ripping chains, which are sharpened with a 10° sharpening angle, are exceptions. Ripping chains have an X in the des‐...
  • Page 36 English 28 Maintaining and Sharpening the Saw Chain 28.7 Depth gauge setting 90° The depth gauge determines the depth to which the cutter penetrates the wood and thus the chip thickness. a Required distance between depth gauge and cutting edge When cutting softwood outside of the frost sea‐...
  • Page 37 28 Maintaining and Sharpening the Saw Chain English ► Lay the file gauge on the saw chain – the high‐ mark) is lowered at the same time as the depth est point of the depth gauge must be flush with gauge of the cutter.

  • Page 38: Maintenance And Care

    Clean Lubricating oil tank Clean STIHL recommends STIHL servicing dealer When using professional chainsaws (with a power output of 3.4 kW or more) for the first time, tighten the cylinder block screws after 10 to 20 hours of operation 0458-574-0121-D...
  • Page 39 Safety information label replace STIHL recommends STIHL servicing dealer When using professional chainsaws (with a power output of 3.4 kW or more) for the first time, tighten the cylinder block screws after 10 to 20 hours of operation 0458-574-0121-D...

  • Page 40: Minimize Wear And Avoid Damage

    STIHL recommends that you have servicing and repair work carried out exclusively by an author‐ ized STIHL servicing dealer. STIHL dealers are...

  • Page 41: Specifications

    32.5 Weight 21 Fuel filler cap dry, without cutting attachment 22 Master control lever MS 271: 5.6 kg MS 271 C with ErgoStart and quick 6.2 kg 23 Throttle trigger chain tensioner: 24 Throttle lever lock MS 291: 5.6 kg MS 291 C with ErgoStart and quick 6.2 kg...
  • Page 42 Rapid Super (26 RS) Type 3639 Rapid Duro 3 (26 RD3) Type 3667 For further details on compliance with Vibration Pitch: .325" (8.25 mm) Directive 2002/44/EC see www.stihl.com/vib. Drive link gauge: 1.6 mm 32.7.2 Rollomatic Light 04 Guide Bars 32.8.1...

  • Page 43: Ordering Spare Parts

    This will make re-ordering simpler. The guide bar and saw chain are subject to nor‐ STIHL products must not be thrown in the gar‐ mal wear and tear. When purchasing these bage can. Take the product, accessories and parts, always quote the saw model, the part packaging to an approved disposal site for envi‐...

  • Page 44: Ec Declaration Of Conformity

    36 EC Declaration of Con‐ The year of manufacture and serial number are formity applied to the product. Done at Waiblingen, 03.02.2020 ANDREAS STIHL AG & Co. KG Badstr. 115 ANDREAS STIHL AG & Co. KG D-71336 Waiblingen Germany declares under our sole responsibility that...
  • Page 45 36 EC Declaration of Conformity English 0458-574-0121-D...
  • Page 46 English 36 EC Declaration of Conformity 0458-574-0121-D...
  • Page 47 36 EC Declaration of Conformity English 0458-574-0121-D...
  • Page 48 *04585740121D* 0458-574-0121-D...

This manual is also suitable for:

Ms 291Ms 271 cMs 291 c

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