Stihl MS 260 Instruction Manual
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Stihl MS 260 Instruction Manual

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MS 260
2 - 45
Instruction Manual

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  • Page 1 MS 260 2 - 45 Instruction Manual...

  • Page 2: Table Of Contents

    Mounting the Bar and Chain (quick chain Guide to Using this Manual tensioner)..........17 Tensioning the Saw Chain (side chain ten‐ This Instruction Manual refers to a STIHL chain sioner)............19 saw, also called a machine in this Instruction Tensioning the Saw Chain (quick chain ten‐...

  • Page 3: Safety Precautions

    To reduce the risk of accidents or injury, put off Engineering improvements the work in poor weather conditions (rain, snow, STIHL's philosophy is to continually improve all ice, wind). of its products. For this reason we may modify Persons with pacemakers only: The ignition sys‐...
  • Page 4 (e.g. leather). match your model and meet your performance requirements. Refuelling STIHL can supply a comprehensive range of per‐ sonal protective equipment. Gasoline is an extremely flammable fuel – keep clear of naked flames and Transporting fire –...
  • Page 5 2 Safety Precautions English Before Starting Work 2.10 During operation Check that your saw is properly assembled and Ensure you always have a firm and safe footing. in good condition – refer to appropriate chapters Take special care when the bark is wet – danger in the instruction manual.
  • Page 6 Have the machine 2.14 Maintenance and repairs repaired by a STIHL servicing dealer if the saw chain still continues to move during idling. Always switch off the engine before any repair, The chain saw produces poisonous...

  • 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)

    STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil for optimum engine life. MotoMix is not available in all markets.

  • Page 20: Fueling

    11.2.2 Engine oil 12 Fueling If you mix the fuel yourself, use only STIHL two- stroke engine oil or another high-performance engine oil classified as JASO FB, JASO FC, JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-L- EGD.
  • Page 21 ► Remove the filler cap 12.3.2 Filling with fuel Take care not to spill fuel while fueling and do not overfill the tank. STIHL recommends using the STIHL filling sys‐ tem for fuel (special accessory). ► Fill with fuel 12.3.3 Closing...
  • Page 22 English 12 Fueling 12.3.4 Checking the lock ► Fit filler cap and turn it counterclockwise until it – The lug on the bracket must engage entirely in engages in the seat of the filling port the recess (arrow) ► Continue to turn the filler cap counterclockwise (approx.
  • Page 23 12.4.2 Filling with fuel align Take care not to spill fuel while fueling and do not overfill the tank. STIHL recommends using the STIHL filling sys‐ tem for fuel (special accessory). ► Fill with fuel 12.4.3 Closing ► Close bracket lock Bracket is in an upright position: ►...

  • Page 24: Chain Lubricant

    The base of the filler cap is twisted in relation to Biological chain oil must be resistant to aging the upper part. (e.g. STIHL BioPlus), since it will otherwise ► Remove the filler cap from the fuel tank and quickly turn to resin. This results in hard deposits...

  • Page 25: Checking Chain Lubrication

    15 Checking Chain Lubrication English 16.1 Saw chain, lock STIHL recommends you use the STIHL filler noz‐ zle for chain oil (special accessory). ► Close the filler cap. There must still be a small amount of oil in the oil tank when the fuel tank is empty.

  • Page 26: Winter Operation

    STIHL recom‐ mends that maintenance and repair work be car‐ NOTICE ried out only by authorised STIHL dealers. The following intervals must be complied with: At temperatures above +20°C: Return shutter to the "summer" position. This is necessary to avoid...

  • Page 27: Electric Handle Heating

    18 Electric Handle Heating English 18 Electric Handle Heating 19 Starting / Stopping the Engine 18.1 Switching on the handle heat‐ ing (depending on model). 19.1 Positions of the master control lever STOP ► Move switch on front handle to F – move switch back to 0 to switch off the heating.
  • Page 28 English 19 Starting / Stopping the Engine 19.3.2 Between the knees or thighs master control lever to jump from the warm start n position to run F. To switch off the engine, set the master control lever to Stop 0. 19.2.1 Position cold start l –...
  • Page 29 19 Starting / Stopping the Engine English ► With the right hand, pull the starter grip slowly 19.5.2 For all versions until you feel it engage – and then give it a WARNING brisk strong pull – simultaneously press down on the handlebar –...

  • Page 30: Operating Instructions

    English 20 Operating Instructions 19.6 When the engine has turned NOTICE over for the first time Open the throttle only when the chain brake is off. Increased engine speeds with the chain brake on (saw chain is stationary) will quickly STOP damage the clutch and chain brake.

  • Page 31: Oil Quantity Control

    21 Oil Quantity Control English 20.2 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 32: Taking Care Of The Guide Bar

    English 22 Taking Care of the Guide Bar 23.2 Fleece filter NOTICE For dry and very dusty work areas. The chain must always be wetted with a film of 24 Cleaning the Air Filter lubricant. 24.1 If there is a noticeable loss of 22 Taking Care of the Guide engine power 24.1.1...

  • Page 33: Adjusting The Carburetor

    ► Check the spark arresting screen (not in all If filter is caked with dirt: models, country-specific) in the muffler and ► Wash the filter in STIHL special cleaner (spe‐ clean or replace if necessary. cial accessory) or a clean, non-flammable sol‐...

  • Page 34: Spark Arresting Screen In Muffler

    50 : 1 mixture of taking up work. unleaded gasoline and STIHL two-stroke engine oil or equivalent two-stroke engine oil – see NOTICE chapter on "Fuel".

  • Page 35: Storing The Machine

    – or sooner if the electrodes are badly – Too much oil in fuel mix. eroded. Install only suppressed spark plugs of – Dirty air filter. the type approved by STIHL – see "Specifica‐ – Unfavorable running conditions. tions". 28.1 Removing the Spark Plug ►...

  • Page 36: Checking And Replacing The Chain Sprocket

    Using two saw chains in alternation helps pre‐ 31 Maintaining and Sharpen‐ serve the chain sprocket. ing the Saw Chain STIHL recommends use of original STIHL chain sprockets in order to ensure optimal functioning 31.1 Sawing effortlessly with a prop‐...
  • Page 37 31.5 To check the angles A Sharpening angle STIHL saw chains are sharpened with a 30° sharpening angle. Ripping chains, which are STIHL filing gauge (special accessory, see table sharpened with a 10° sharpening angle, are "Sharpening tools") –...
  • Page 38 English 31 Maintaining and Sharpening the Saw Chain ing sharpening and side plate angles, depth With varying cutter lengths, the cutter heights gauge setting, and tooth length, as well as clean‐ also vary and cause rough running of the saw ing grooves and oil inlet holes.
  • Page 39 31 Maintaining and Sharpening the Saw Chain English ► Lay the appropriate file gauge (1) for the chain WARNING pitch on the saw chain and press it against the cutter to be checked – if the depth gauge pro‐ Depth gauges that are too low increase the kick‐ trudes past the file gauge, the depth gauge back tendency of the chain saw.

  • Page 40: Maintenance And Care

    Check (wear, damage) Clean and turn over Deburr 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...

  • Page 41: Minimize Wear And Avoid Damage

    – Consequential damage caused by continuing to use the product with defective components. 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...

  • Page 42: Main Parts

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

  • Page 43: Specifications

    Chain sprocket 7-tooth for .325" STIHL single-cylinder two-stroke engine Max. chain speed according to 24.4 m/s ISO 11681: 35.1.1 MS 260, MS 260 C Chain speed at maximum power: 19.3 m/s Displacement: 50.2cm 35.6.4 Rollomatic E 3/8" guide bars Cylinder bore: 44.7 mm...

  • Page 44: 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 45 Spremberger Straße 1 D‑64823 Groß-Umstadt Certification No.: K‑EG‑2009/3390 Technical documents deposited at: ANDREAS STIHL AG & Co. KG Produktzulassung The year of manufacture and serial number are applied to the product. Done at Waiblingen, 03.02.2020 ANDREAS STIHL AG & Co. KG...
  • Page 46 English 39 EC Declaration of Conformity 0458-172-0121-A...
  • Page 47 39 EC Declaration of Conformity English 0458-172-0121-A...
  • Page 48 *04581720121A* 0458-172-0121-A...

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