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Stihl MS 171 Safety Manual

Stihl MS 171 Safety Manual

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All manuals and user guides at all-guides.com
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Chain Saw Safety Manual
WARNING
Read and follow all safety
precautions in Instruction Manual –
improper use can cause serious or
fatal injury.

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Lester V Roark
May 17, 2025

largest stihl chain saw?

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Mr. Anderson
May 23, 2025

The context does not provide information about the largest Stihl chainsaw model.

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Summary of Contents for Stihl MS 171

  • Page 1 All manuals and user guides at all-guides.com Chain Saw Safety Manual WARNING Read and follow all safety precautions in Instruction Manual – improper use can cause serious or fatal injury.
  • Page 2 All manuals and user guides at all-guides.com...
  • Page 3 You should therefore always refer to the instruction manual of your particular saw model. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual.
  • Page 4: Safety Precautions And Working Techniques

    Most of these safety precautions and instance, refer to the OSHA regulations warnings apply to the use of all STIHL for "logging operations" at 29 Code of chain saws. Different models may have Federal Regulations 1910.266.
  • Page 5 WARNING the transmission of vibrations Secure hair so it is above The ignition system of the STIHL unit created by the machine to the shoulder level. produces an electromagnetic field of a operator's hands. An AV system is Good footing is very very low intensity.
  • Page 6 In case of doubt, have it checked by your Never operate your power tool unless STIHL servicing dealer. Your STIHL power tool uses an oil- wearing goggles or properly fitted gasoline mixture for fuel (see the protective glasses with adequate top THE USE OF THE POWER TOOL chapter on "Fuel"...
  • Page 7 Wipe off any spilled fuel before starting your machine. WARNING To do this with this STIHL cap, raise the Check for fuel leakage grip on the top of the cap until it is upright while refueling and during at a 90°...
  • Page 8 WARNING fire. The screwdriver end of the STIHL To reduce the risk of fire and burn combination wrench or other similar tool For proper assembly of the bar and injuries, start the engine at least 10 feet...
  • Page 9 If you cannot set the correct idle speed, (see "Chain Brake" chapter in your with the starting throttle lock engaged have your STIHL dealer check your instruction manual) and place the chain will be fast enough for the clutch to...
  • Page 10 All manuals and user guides at all-guides.com English to avoid stumbling. There is increased WARNING WARNING danger of slipping on freshly debarked logs. For better footing, clear away fallen Never work in a tree unless you have To reduce the risk branches, scrub and cuttings.
  • Page 11 All manuals and user guides at all-guides.com English size, may cause respiratory or other WARNING WARNING illnesses. This includes wood dust, especially from hardwoods, but also Your chain saw is a one-person As soon as the engine is from some softwoods such as Western machine.
  • Page 12 You may also removed. To reduce the risk of personal muffler maintained by a STIHL servicing permanently damage the engine. Have injury, do not operate a chain saw with a dealer.
  • Page 13 All manuals and user guides at all-guides.com English WARNING Some STIHL power tools are equipped with a cata - lytic converter, which is designed to reduce the exhaust emissions of the engine by a chemical process in the muffler. Due to this process, the...
  • Page 14 Some kickback bars and low kickback chains. WARNING STIHL bar and chain types are designed to reduce kickback forces. STIHL The computer derived angles of § 5.11 WARNING recommends the use of reduced of ANSI B 175.1 - 2000 may bear no...
  • Page 15 WARNING chain is pinched or otherwise caught in the cut. Clutch slippage can cause STIHL recommends the use of its green Never operate your chain saw without a excessive heat, leading to severe labeled reduced kickback bars, green front hand guard. In a kickback situation...
  • Page 16 9. Do not attempt to plunge cut if you the 45° computer derived kickback Do not mount a bow guide on any STIHL are not experienced with these angle of § 5.11 of ANSI B 175.1 - 2000.
  • Page 17 All manuals and user guides at all-guides.com English A = Pull-in B = Pushback WARNING There are a number of factors that may affect and change the intended direction of fall, e.g. wind direction and speed, lean of tree, surrounding trees and obstacles, sloping ground, one-sided limb structure, wood structure, decay, snow load, etc.
  • Page 18 All manuals and user guides at all-guides.com English Felling Instructions Escape Path Buttress Roots 45° If the tree has large buttress roots, cut When felling, maintain a distance of at into the largest buttress vertically first least 2 1/2 tree lengths from the nearest 45°...
  • Page 19 All manuals and user guides at all-guides.com English Conventional Cut Open-face Technique Making Sapwood Cuts Felling notch (C) – determines the Felling notch (C) – determines the For medium sized or larger trees direction of the fall direction of the fall make cuts at both sides of the trunk, at same height as subsequent For an open-face cut:...
  • Page 20 All manuals and user guides at all-guides.com English D =Felling Cut E = Hinge Felling Cut for Small Diameter Trees: Simple Fan Cut Conventional and open-face technique: Helps control the falling tree. Engage the bumper spikes of the chain Begin 1 to 2 inches (2,5 to 5 cm) Do not cut through the hinge –...
  • Page 21 All manuals and user guides at all-guides.com English Felling Cut for Large Diameter Trees The plunge cut is made with the guide bar nose. Begin the plunge cut by applying the lower portion of the guide bar nose to the tree at an angle. Cut until the depth of the kerf is about the same as the width of the guide bar.
  • Page 22 All manuals and user guides at all-guides.com English causing loss of control. If a pinch occurs, Shattered wood should be cut very WARNING stop the engine and remove the saw by carefully. Sharp slivers of wood may be lifting the limb. caught and flung in the direction of the In order to reduce the risk of personal operator of the saw.
  • Page 23 English has not been serviced or maintained WARNING properly or if nonapproved replacement parts were used, STIHL may deny Use the specified spark plug and make coverage. sure it and the ignition lead are always clean and in good condition. Always...
  • Page 24 Do not clean your machine with a In order for the chain brake on your pressure washer. The solid jet of water STIHL chain saw to properly perform its may damage parts of the machine. function of reducing the risk of kickback...
  • Page 25: Maintenance And Care

    All manuals and user guides at all-guides.com English Maintenance and Care The following maintenance intervals apply for normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work area, resin-rich wood, tropical wood, etc.), shorten the specified intervals accordingly.
  • Page 26 Clean, replace if necessary Check Chain catcher Replace 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. Chain Saw Safety Manual...
  • Page 27: Main Parts

    All manuals and user guides at all-guides.com English Main Parts Shroud Twist Lock Carburetor Adjusting Screws Fuel Pump (Easy Start Shutter (Summer and Winter Position, only MS 211) Chain Brake Chain Sprocket Chain Sprocket Cover Chain Catcher Chain Tensioner (lateral) 10 Bumper Spike 11 Guide Bar 12 Oilomatic Saw Chain...
  • Page 28 All manuals and user guides at all-guides.com English Definitions 12 Oilomatic Saw Chain 22 Master Control Lever A loop consisting of cutters, tie Lever for choke control, starting straps and drive links. throttle, run and stop switch Shroud Twist Lock position.
  • Page 29 All manuals and user guides at all-guides.com English Chain Saw Safety Manual...
  • Page 30 All manuals and user guides at all-guides.com English Chain Saw Safety Manual...
  • Page 31 All manuals and user guides at all-guides.com...
  • Page 32 All manuals and user guides at all-guides.com WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. 0457-184-3021 englisch englisch USA www.stihl.com *04571843021* 0457-184-3021...

This manual is also suitable for:

Ms 181Ms 211