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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Summary of Contents for Stihl MS 461

  • Page 1 STIHL MS 461 Instruction Manual...

  • Page 3: Table Of Contents

    Dear Customer, Guide to Using this Manual Maintenance and Care Safety Precautions and Working Minimize Wear and Avoid Damage Thank you for choosing a quality engineered STIHL product. Techniques Main Parts Cutting Attachment This machine has been built using Specifications...

  • Page 4: Guide To Using This Manual

    Minors should never be allowed to use a adjustment power tool. Keep bystanders, especially children, STIHL's philosophy is to continually Tension saw chain and animals away from the work area. improve all of its products. For this reason we may modify the design,...
  • Page 5 STIHL recommends the use of STIHL The use of noise emitting power tools original tools, guide bars, chains, chain may be restricted to certain times by sprockets and accessories.
  • Page 6 Make sure you always have good Place the unit on firm ground in an open balance and secure footing. area. Make sure you have good balance and secure footing. Hold the unit securely. The cutting attachment must MS 461...
  • Page 7 Shut off the engine and wait until the pushback and pull-in. – chain comes to a complete stanstill. Check condition – Check sharpness. – MS 461...
  • Page 8 Be aware of the location of the guide – or limb. bar nose at all times. Do not cut with the bar nose. – Take special care with small, tough – limbs, they may catch the chain. MS 461...
  • Page 9 Do not work above shoulder height Do not underbuck freely hanging limbs. – extent of the dangers is complicated, if Never operate your unit with one not impossible. Use aids such as a cable – hand winch or tractor in such cases. MS 461...
  • Page 10 Remove large buttress roots: Make – the vertical cut first, then the horizontal – but only if the wood is Maintain a distance of at least 2 1/2 tree Direction of fall sound lengths from the next felling site. MS 461...
  • Page 11 Sapwood cuts in long-fibered softwood techniques. STIHL recommends the following help prevent sapwood splintering when method: the tree falls. Make cuts at both sides of the trunk at same height as bottom of Make the horizontal cut –...
  • Page 12 This is the hinge. Drive wedges into the felling cut in good time. Use only wooden, aluminum or plastic wedges. Never steel, which can damage the chain and cause kickback. MS 461...
  • Page 13 If tree diameter is more than twice – For felling leaners – the length of the guide bar. For relieving cuts during bucking – If a large portion of heartwood – For DIY projects remains uncut on large diameter – trees. MS 461...
  • Page 14 Never cut several limbs at once. – shallowest possible angle – take extra care since there is an increased danger of kickback. Make relieving cut at the compression side (1) Make bucking cut at the tension side (2) MS 461...
  • Page 15 – health risk. Use only a spark plug of the type To reduce the risk of injury, shut off the approved by STIHL and make sure it is Service the machine regularly. Do not engine immediately if the chain brake in good condition –...

  • Page 16: Cutting Attachment

    English Disengaging the chain brake. Cutting Attachment Mounting the Bar and Chain STIHL is the only manufacturer in the Removing the chain sprocket cover industry to produce its own chain saws, guide bars, saw chains and chain sprockets. A cutting attachment consists of the saw chain, guide bar and chain sprocket.

  • Page 17: Tensioning The Chain

    Go to chapter on "Tensioning the A new chain has to be retensioned more see chapter on "Operating Saw Chain" often than one that has been in use for Instructions". some time. Check chain tension frequently – see chapter on "Operating Instructions". MS 461...

  • Page 18: Fuel

    Storing fuel mixture Use only high-quality two-stroke engine provides the proper mixing ratio. oil – ideally STIHL HP, HP Super or STIHL MotoMix is blended with STIHL HP Ultra two-stroke engine oil, as they Store in approved safety fuel canisters...

  • Page 19: Fueling

    Filling up with fuel Take care not to spill fuel while fueling Raise the grip until it is upright. and do not overfill the tank. STIHL recommends you use the STIHL filler nozzle for fuel (special accessory). Fill up with fuel. MS 461...
  • Page 20 – this causes the bottom of the cap to be turned to the correct position. Turn the cap clockwise and lock it in position – see section on "Closing". The marks on the tank cap and fuel tank are then in alignment. MS 461...

  • Page 21: Chain Lubricant

    Biological chain oil must be resistant to If the oil tank is still partly full, the reason aging (e.g. STIHL Bioplus) since it will may be a problem in the oil supply otherwise quickly turn to resin. This system: Check chain lubrication, clean...

  • Page 22: Checking Chain Lubrication

    – see enough: The hand guard is accelerated "Checking Chain Tension". toward the bar nose – even if your left hand is not behind the hand guard, e.g. during felling cut. MS 461...

  • Page 23: Winter Operation

    In case of erratic idling behavior or poor have servicing and repair work carried acceleration in the carburetor box cover, move out exclusively by an authorized STIHL the slide (1) from summer position servicing dealer. Maintain the following Turn the low speed screw (L)

  • Page 24: Electric Handle Heating

    The heating system is the cold engine maintenance-free. Adjusting the Master Control lever The throttle trigger lockout and throttle trigger must be pressed simultaneously to adjust the Master Control lever from run F to cold start l. MS 461...
  • Page 25 Step into the rear handle with the right foot or step on the rear hand Holding the chain saw guard with the heel of the right foot There are two ways to hold the chain saw during starting. MS 461...
  • Page 26 There must not be anyone within the Hold and start the chain saw necessary to pull the starter rope several swivel range of the chain saw. times – to prime the fuel line. MS 461...
  • Page 27 0 If the engine does not start The Master Control lever was not returned to its "warm start" position n in time when the engine turned over for the first time and the engine has now flooded. MS 461...

  • Page 28: Operating Instructions

    Slacken off the chain if you have retensioned it at operating Check chain tension frequently temperature during work. A new saw chain must be retensioned more frequently than one that has been in use already for an extended period. MS 461...

  • Page 29: Oil Quantity Control

    Turn the adjusting screw clockwise (special accessory) – in the area Reduce oil delivery rate – with the greatest wear Turn the adjusting screw counterclockwise The saw chain must always be coated with chain oil. MS 461...

  • Page 30: 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 31: Remove Air Filter

    The ignition module limits the maximum Thorough filter cleaning speed. It is therefore not possible to Wash the filter in STIHL special- increase the maximum speed by further purpose cleaner (special turning the high speed screw (H) in the...

  • Page 32: Spark Arresting Screen In Muffler

    If the saw chain continues to keep increase the risk of engine damage Refit the spark arresting screen in rotating in idle even after adjustment, through lack of lubrication and reverse order of steps have the chain saw checked by a overheating. servicing dealer. MS 461...

  • Page 33: 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. Screw in the spark plug...

  • Page 34: Replacing The Starter Rope And Rewind Spring

    (7) – turn it back and forth to engage the anchor loop of the rewind spring. Use a screwdriver or suitable pliers to remove the spring clip (2) from the starter post. Carefully remove the rope rotor with washer (3) and pawls (4). MS 461...
  • Page 35 Lubricate the new spring with a few Hold the rotor steady. Pull out and drops of non-resinous oil. straighten the twisted rope. Let go of the rotor. Release the rope slowly so that it winds onto the rotor. MS 461...

  • Page 36: 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 37: 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 maintained during resharpening.
  • Page 38 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 39 The depth gauge determines the depth to which the cutter penetrates the wood Depth gauges that are too low increase and thus the chip thickness. the kickback tendency of the chain saw. MS 461...
  • Page 40 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 41: Maintenance And Care

    Saw chain Check the chain tension sharpen check (wear, damage) clean and turn over Guide bar deburr replace Chain sprocket check clean Air filter replace check Antivibration elements have them replaced by a specialist dealer MS 461...
  • Page 42 150 hours of operation Safety information sticker replace STIHL recommends STIHL servicing dealers During initial use of professional 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 461...

  • Page 43: 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 44: 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 45: Specifications

    Handle, Handle, 7-tooth for 3/8" (spur chain sprocket) left right Fuel tank capacity: 0.8 l Bar and Chain MS 461 Rescue Saw MS 461 4.0 m/s 3.8 m/s MS 461 Rescue Chain lubrication 5.8 m/s 5.3 m/s...

  • Page 46: Special Accessories

    English REACH STIHL lubricating grease – Special Accessories STIHL filler nozzle for fuel – helps – avoid spills and overfilling during REACH is an EC regulation and stands refueling for the Registration, Evaluation, Chain scabbard Authorisation and Restriction of STIHL filler nozzle for chain oil –...

  • Page 47: Ordering Spare Parts

    Serial number Directives 2006/42/EC, 2004/108/EC approved by STIHL for this power tool or and 2000/14/EC and have been are technically identical. Only use high- developed and built in compliance with...

  • Page 48: Quality Certification

    All STIHL products comply with the highest quality standards. An independent 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 purchasing, production, assembly, documentation and customer service.
  • Page 49 English MS 461...
  • Page 50 English MS 461...
  • Page 52 0458-773-0121-A englisch www.stihl.com *04587730121A* 0458-773-0121-A...

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