Stihl MS 170 Instruction Manual
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Stihl MS 170 Instruction Manual

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STIHL MS 170, 180
Instruction Manual

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Summary of Contents for Stihl MS 170

  • Page 1 STIHL MS 170, 180 Instruction Manual...

  • Page 3: Table Of Contents

    Storing the Machine Checking and Replacing the Chain Sprocket This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 4: Guide To Using This Manual

    NOTICE Direction of chain travel Caution where there is a risk of damaging the machine or its individual components. Ematic; chain oil flow adjustment Tension saw chain MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 5: Safety Precautions

    The user is responsible for avoiding caused while using unauthorised injury to third parties or damage to their attachments. property. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 6 (on machines so equipped). If engine is still hot – the fuel may spill over Clean plastic parts with a cloth. Harsh – risk of fire! detergents can damage the plastic. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 7 – danger of immediately by moving the Master injury due to the rotating saw chain. Control lever / stop switch to STOP, 0 or †. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 8 Check the fuel system for leaks and Switch off the motor, engage the chain advice. make sure the safety devices are brake and attach the chain scabbard. working properly. Never continue using MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 9 Use only spark plugs that are in perfect In the event of a chain brake condition and have been approved by malfunction, switch off the machine STIHL – see "Specifications". immediately – risk of injury! Consult a MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 10: Reactive Forces

    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 170, MS 170 C, MS 180, MS 180 C...

  • 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 170, MS 170 C, MS 180, MS 180 C...
  • 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 170, MS 170 C, MS 180, MS 180 C...
  • Page 13 (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 170, MS 170 C, MS 180, MS 180 C...
  • 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 170, MS 170 C, MS 180, MS 180 C...
  • Page 15 Make cuts at both sides of Leave a broader hinge on rotten the trunk at same height as bottom of – trees. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 16 Use a low kickback chain and Select felling wedges that suit the exercise particular caution diameter of the tree and width of the kerf (felling cut (E)). MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 17 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 170, MS 170 C, MS 180, MS 180 C...
  • Page 18 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 170, MS 170 C, MS 180, MS 180 C...
  • Page 19 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 170, MS 170 C, MS 180, MS 180 C...

  • Page 20: Cutting Attachment

    Turn the screw (1) beyond repair after a short period of counterclockwise until the operation. tensioning nut (2) butts against the left end of the housing slot. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 21: Chain Tensioner)

    Go to chapter on "Tensioning the Saw Chain" WARNING Wear work gloves to protect your hands from the sharp cutters. Fit the chain – start at the bar nose. Remove and reverse tensioning gear (1) MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 22 (3); the head of the rear collar screw must protrude into the oblong hole Insert and tighten screw (2) WARNING Put on protective gloves – risk of injury by the sharp cutters. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 23: Tensioning The Saw Chain (Front Chain Tensioner)

    Check chain tension frequently – see chapter on "Operating Instructions". When fitting the chain sprocket cover, the teeth of the adjusting wheel and the tensioning gear must mesh; if necessary, MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 24: Tensioning The Saw Chain (Quick Chain Tensioner)

    Poor quality gasoline or engine oil may damage the engine, sealing rings, hoses and the fuel tank. Gasoline Use only high-quality brand-name gasoline with a minimum octane rating of 90 – leaded or unleaded. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 25 STIHL 50:1 two-stroke engine oil: 50 parts gasoline to 1 part oil Pressure may build up in the canister – open it carefully. Clean the fuel tank and canister from time to time. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 26: Fueling

    WARNING After fueling, tighten down the filler cap by hand as securely as possible. Use a suitable tool (e. g., screwdriver of the combination wrench) for slotted filler caps. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 27: Filling Chain Oil Tank

    – see Close the filler cap. "Checking Chain Tension". There must still be a small amount of oil in the oil tank when the fuel tank is empty. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 28: Chain Brake

    The hand guard is accelerated toward the bar nose – even if your left hand is not behind the hand guard, e.g. during felling cut. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 29: Starting / Stopping The Engine

    Place your right foot into the rear handle When the engine has fired for the – first time After ventilation of the combustion – chamber, if the engine was flooded MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 30 With a new engine or after a long period of disuse, it may be necessary to pull the starter rope several times – to prime the fuel line. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 31 MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 32: Operating Instructions

    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 170, MS 170 C, MS 180, MS 180 C...

  • Page 33: Taking Care Of The Guide Bar

    (1), oil outlet channel (2) and bar groove (3) Measure groove depth – using the measuring tool on the file gauge (special accessory) – in the area with the greatest wear MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 34: Shroud

    Setting the idle speed Start and warm up the engine Using the idle speed screw (LD), set the idle speed correctly: The saw chain must not rotate Engine speed too low when idling: MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 35: Spark Arresting Screen In Muffler

    Clean the spark arresting screen. If the screen is damaged or heavily carbonized, fit a new one. Refit the spark arresting screen – place the cover in position and secure it with the screws. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 36: Rewind Starter

    If the spark plug comes with a detachable adapter nut (1), screw the adapter onto the thread and tighten it down firmly to reduce the risk of arcing and fire. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 37: Storing The Machine

    Refit washer and E-clip on the STIHL recommends use of original crankshaft STIHL chain sprockets in order to ensure optimal functioning of the chain brake. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 38: Maintaining And Sharpening The Saw Chain

    – cutters in the saw chain. Varying angles: risk of injury! Rough, uneven running of the saw chain, increased wear – even to the point of saw chain breakage. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 39 The depth gauge determines the depth guide bar) in accordance with the to which the cutter penetrates the wood specified angle – according to the and thus the chip thickness. MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 40 – if the depth gauge gauge protrudes past the file gauge, the depth gauge must be reworked MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 41 (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 170, MS 170 C, MS 180, MS 180 C...

  • Page 42: Maintenance And Care

    Check Check, pay attention to sharpness Saw chain Check chain tension Sharpen Check (wear, damage) Clean and turn over Guide bar Deburr Replace Chain sprocket Check Clean Air filter Replace MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 43 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 170, MS 170 C, MS 180, MS 180 C...

  • Page 44: Main Parts

    17 Spark plug boot 18 Starter grip 19 Master control lever 20 Fuel filler cap 21 Throttle trigger 22 Throttle lever lock 23 Rear handle 24 Rear hand guard Machine number MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 45: Specifications

    Picco Micro Mini 3 (61 PMM3) Chain sprocket Type 3610 6-tooth for 3/8" P Pitch: 3/8"P (9.32 mm) Max. chain speed to Drive link gauge: 1.1 mm ISO 11681: 22.3 m/s MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 46: Ordering Spare Parts

    The K-factor in accordance with Directive 2006/42/EC is 2.5 dB(A) for the sound pressure level and sound power level; the K-factor in accordance with Directive 2006/42/EC is 2.0 m/s for the vibration measurement. MS 170, MS 170 C, MS 180, MS 180 C...

  • Page 47: Maintenance And Repairs

    ISO 9207 standard. Measured sound power level all MS 170: 109 dB(A) all MS 180: 110 dB(A) Guaranteed sound power level all MS 170: 111 dB(A) all MS 180: 112 dB(A) MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 48 Produktzulassung (Product Licensing) The year of manufacture and serial number are applied to the product. Done at Waiblingen, 15.08.2014 ANDREAS STIHL AG & Co. KG Thomas Elsner Director Group Product Management MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 49 English MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 50 English MS 170, MS 170 C, MS 180, MS 180 C...
  • Page 52 0458-207-8321-B www.stihl.com *04582078321B* 0458-207-8321-B...

This manual is also suitable for:

Ms 180Ms 170 cMs 180 c

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