Stihl MS 461 Instruction Manual
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Stihl MS 461 Instruction Manual

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STIHL MS 461
Instruction Manual

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  • Page 1 STIHL MS 461 Instruction Manual...

  • Page 3: Table Of Contents

    Dear Customer, Guide to Using this Manual Minimize Wear and Avoid Damage Safety Precautions Main Parts Thank you for choosing a quality engineered STIHL product. Reactive Forces Specifications It has been built using modern Working Techniques Ordering Spare Parts production techniques and...

  • 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 – the chain must not an emergency, switch off the engine touch any objects or the floor – danger of immediately by moving the Master injury due to the rotating saw chain. Control lever / stop switch to STOP, 0 or †. MS 461...
  • 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 461...

  • 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 461...
  • 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 461...
  • 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 461...
  • 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 461...
  • Page 15 Make cuts at both sides of Leave a broader hinge on rotten the trunk at same height as bottom of – trees. MS 461...
  • 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 Do not cut into the stabilizing strap. – 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 461...
  • 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 461...
  • 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 461...

  • Page 20: Cutting Attachment

    If non-matching components are used, the cutting attachment may be damaged Depending on the model, the scabbard beyond repair after a short period of extension either comes standard with operation. the saw or is available as a special accessory. MS 461...

  • Page 21: Mounting The Bar And Chain

    Turn the screw (1) counterclockwise until the tensioner slide (2) butts against the left end of WARNING the housing slot. Wear work gloves to protect your hands from the sharp cutters. Fit the chain – start at the bar nose. MS 461...

  • Page 22: Tensioning The Chain

    STIHL MotoMix Retensioning during cutting work: Shut off the engine. Shut off the engine. Wear work gloves to protect your STIHL recommends the use of STIHL hands. Loosen the nuts. MotoMix. This ready-to-use fuel mix The chain must fit snugly against contains no benzol or lead, has a high Hold the bar nose up.
  • Page 23 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 24: 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 25: 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 26: Filling Chain Oil Tank

    Filling Chain Oil Tank Checking Chain Lubrication Take care not to spill chain oil while refilling and do not overfill the tank. STIHL recommends use of the STIHL filling system for chain oil (available option). Close the filler cap Preparing the machine...

  • Page 27: 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 28: Winter Operation

    (disengage chain brake!) Air filter system if engine trouble occurs, first check whether use of intake air pre- Retrofit new air filter if necessary – heating is necessary see "Air filter system" MS 461...

  • Page 29: Electric Handle Heating

    The heating system is Cold start (l) – this position is used to maintenance-free. start a cold engine. after engine begins to fire, – after clearing a flooded combustion – chamber. MS 461...
  • Page 30 Put your right foot into the rear necessary to pull the starter rope several handle or your right heel on the rear times to prime the fuel system. hand guard and press down. MS 461...
  • Page 31 (F) and the engine general work area of the saw. if the engine is warm, i.e. if it has – settles down to idling speed. been running for about one minute. Hold and start your saw as described. MS 461...

  • Page 32: Operating Instructions

    If you did not move the Master Control in use already for an extended period. lever to warm start n quickly enough after the engine began to fire, the combustion chamber is flooded. MS 461...

  • Page 33: Oil Quantity Control

    Turn the adjusting screw clockwise Reduce oil delivery rate – Slacken off the chain if you have retensioned it at operating Turn the adjusting screw temperature during work. counterclockwise NOTICE The saw chain must always be coated with chain oil. MS 461...

  • Page 34: Taking Care Of The Guide Bar

    Measure groove depth – using the measuring tool on the file gauge (special accessory) – in the area 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 461...

  • Page 35: Air Filter System

    Use in extra-ordinary conditions e.g. extremely wintry conditions of use - such as powder snow or drift snow. Rather unsuitable in very dusty conditions. When dry, STIHL filters attain a long service life. Always use STIHL filters dry MS 461...

  • Page 36: Cleaning The Air Filter

    Cleaning the Air Filter Adjusting the Carburetor If there is a noticeable loss of engine Basic information power: Wash the filter in STIHL special- The carburetor comes from the factory purpose cleaner (special with a standard setting. accessory) or a clean, non- flammable cleaning liquid (e.g.,...

  • Page 37: Spark Arresting Screen In Muffler

    Make standard setting heavily carbonized Let the engine warm up Refit the spark arresting screen in Turn the high speed adjusting reverse order of steps screw (H) slightly clockwise (leaner) – max. up to the stop MS 461...

  • Page 38: Spark Plug

    Fit a new spark plug after about 100 operating hours – or sooner if the electrodes are badly eroded. Install only suppressed spark plugs of the type approved by STIHL – see "Specifications". Clean dirty spark plug. Check electrode gap (A) and Removing the spark plug readjust if necessary –...

  • Page 39: Storing The Machine

    (5) including needle cage (6) from the crankshaft – with STIHL recommends use of original QuickStop Super chain brake, press STIHL chain sprockets in order to throttle trigger lockout beforehand ensure optimal functioning of the chain brake. Install spur chain sprocket / rim sprocket...

  • Page 40: Maintaining And Sharpening The Saw Chain

    Carbide-tipped (Duro) saw chains are The diameter of file to be used depends especially wear-resistant. For an optimal on the chain pitch – see table sharpening result, STIHL recommends "Sharpening tools". STIHL servicing dealers. The angles of the cutter must be WARNING maintained during resharpening.
  • Page 41 With the Quickstop Super chain Sharpening angle Use a file holder brake system, additionally press the STIHL saw chains are sharpened with a Always use a file holder (special throttle trigger lockout 30° sharpening angle. Ripping chains, accessory, see table "Sharpening tools") Sharpen frequently, removing little which are sharpened with a 10°...
  • Page 42 – if the depth gauge gauge protrudes past the file gauge, the depth gauge must be reworked The depth gauge determines the depth to which the cutter penetrates the wood and thus the chip thickness. MS 461...
  • 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 461...

  • Page 44: Maintenance And Care

    Replace Fuel tank Clean Chain oil tank Clean Chain lubrication Check Inspect, also check sharpness Chain Check chain tension Sharpen Check (wear, damage) Clean and turn over Guide bar Deburr Replace Chain sprocket Check Clean Air filter Replace MS 461...
  • Page 45 Decoke after first 139 hours of operation, then Exhaust port every 150 hours of operation Safety labels Replace STIHL recommends a STIHL servicing dealer Firmly tighten down the cylinder base screws of professional saws (3.4 kW or more) after 10 to 20 hours of operation. MS 461...

  • Page 46: Minimize Wear And Avoid Damage

    English servicing dealer. STIHL dealers are Minimize Wear and Avoid regularly given the opportunity to attend Damage training courses and are supplied with the necessary technical information. Observing the instructions in this manual helps reduce the risk of unnecessary If these maintenance operations are not wear and damage to the power tool.

  • Page 47: Main Parts

    15 Front hand guard 16 Front handle (handlebar) 17 Decompression valve 18 Starter grip 19 Fuel filler cap 20 Master control lever 21 Throttle trigger 22 Throttle trigger lockout 23 Rear handle 24 Rear hand guard Serial number MS 461...

  • Page 48: Specifications

    Engine MS 461: 6.7 kg Cutting Attachment (MS 461 rescue saw) MS 461 with handle and carbu- retor heating: 6.8 kg STIHL single cylinder two-stroke engine MS 461 Rescue saw: 7.2 kg Actual cutting length may be less than Displacement: 76.5 cc...

  • Page 49: Ordering Spare Parts

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

  • Page 50: Disposal

    STIHL The year of manufacture and serial Model: MS 461 number are applied to the product. MS 461-VW STIHL products must not be thrown in Done at Waiblingen, 16.03.2016 Serial identification: 1128 the garbage can. Take the product, Displacement: 76.5 cm ANDREAS STIHL AG &...
  • Page 52 0458-773-0121-A englisch www.stihl.com *04587730121A* 0458-773-0121-A...

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