Stihl MS 400 C-M Instruction Manual
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Stihl MS 400 C-M Instruction Manual

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MS 400 C-M
2 - 29
Instruction Manual

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Summary of Contents for Stihl MS 400 C-M

  • Page 1 MS 400 C-M 2 - 29 Instruction Manual...

  • Page 2: Table Of Contents

    STIHL expressly commit themselves to a sus‐ tainable and responsible handling of natural resources. This user manual is intended to help you use your STIHL product safely and in an environmentally friendly manner over a long service life. We thank you for your confidence in us and hope you will enjoy working with your STIHL product.
  • Page 3 3 Overview English chain brake and activates the chain brake by 21 Rear Hand Guard inertia in certain kickback situations. Protects operator’s right hand from contact with the chain if it comes off the bar or 2 Muffler breaks. Reduces chainsaw noise emissions. 22 Throttle Trigger 3 Spiked Bumper Controls engine speed.

  • Page 4: Safety Precautions

    Intended Use with some pacemakers. This can result in seri‐ ous or fatal injuries. The STIHL MS 400 C-M chainsaw is designed ► If the user has a pacemaker: Make sure the for cutting wood, limbing and felling trees. pacemaker is not affected.
  • Page 5 ■ The user can be cut by the wood during oper‐ – The saw chain is properly tensioned. ation. The user can come into contact with the – Only original STIHL accessories designed for saw chain during cleaning and maintenance this chainsaw model are fitted.
  • Page 6 ► Sharpen the chain properly. stroke engine oil in accordance with local ► If you have any queries: Contact your regulations and environmental require‐ STIHL servicing dealer for assistance. ments. ■ Fuel, gasoline or two-stroke engine oil can Fuel Mixture and Refueling...
  • Page 7 This can result in serious ► If light and visibility are poor: Do not use injuries and damage to property. your saw. ► Stop work and contact your STIHL dealer ► Operate the chainsaw alone. for assistance. ► Do not work above shoulder height.
  • Page 8 English 4 Safety Precautions a fire in an easily combustible location. This ► Determine direction of fall so that the area can result in serious or fatal injuries and dam‐ in which the tree falls is clear. age to property. ►...
  • Page 9 4 Safety Precautions English Reactive Forces 4.9.2 Pull-in 4.9.1 Kickback The saw is pulled away from the operator when the bottom of the bar is used for cutting. Kickback can be caused for the following rea‐ WARNING sons: – The rotating saw chain in the upper quadrant ■...

  • Page 10: Preparing The Saw For Operation

    English 5 Preparing the Saw for Operation 4.10 Transporting ■ The muffler and engine may be hot after a period of operation. This can result in burn WARNING injuries. ► Wait until the muffler and engine cool down. ■ The saw may turn over or shift during trans‐ ■...

  • Page 11: Assembling The Saw

    English ► If you cannot carry out these steps: Do not use – Chain drive links are seated in teeth of your chainsaw and contact your STIHL servic‐ chain sprocket (7). ing dealer for assistance. – Collar studs (5) are located in slot in tail of guide bar (6).
  • Page 12 ► Now try again to close the oil tank. ► If the oil tank still cannot be closed properly: Do not use the chainsaw and contact a STIHL ► Swing the grip on the oil tank cap to the verti‐...

  • Page 13: Engaging And Disengaging The Chain Brake

    7 Engaging and Disengaging the Chain Brake English ► Place the spiked bumper (1) in position. If you mix the fuel yourself, use only STIHL two- ► Fit the screw (2). stroke engine oil or another high-performance ► Insert screw (3) through spiked bumper and engine oil in accordance with JASO FB, JASO nut (4).

  • Page 14: Starting And Stopping The Engine

    NOTICE ► If the fuel tank still cannot be closed properly: ■ Bright light, sunlight and extreme tempera‐ Do not use the chainsaw and contact a STIHL tures can cause the fuel mix to separate much dealer for assistance. faster. The saw can be damaged if it is used The chainsaw is not in a safe condition.
  • Page 15 ► Shut off the engine and engage the chain brake. ► Do not use the chainsaw and contact your STIHL servicing dealer for assistance. The saw has a malfunction. ► If the engine does not start: Move the Master Control lever (3) to position and try again to start the engine.

  • Page 16: Checking The Saw

    Do not use your chainsaw and contact your STIHL servicing dealer for assistance. ► Use a STIHL filing gauge to check that a filing angle of 30° has been maintained on all cut‐ ters. The STIHL filing gauge must match the chain pitch.

  • Page 17: Operating The Saw

    ► Pull the throttle trigger and release it again. ► If the throttle trigger is stiff or does not spring back to its idle position: Do not use your chain‐ saw and contact your STIHL servicing dealer for assistance. The throttle trigger is defective.
  • Page 18 ► Do not use your chainsaw and contact your ► Warm up the engine by opening and closing STIHL servicing dealer for assistance. the throttle for about 1 minute. Your saw has a malfunction. ► Shut off the engine.
  • Page 19 11 Operating the Saw English 11.6 Sawing WARNING ■ If kickback occurs, the chainsaw can be thrown up in the direction of the operator. This may result in serious or fatal injury to the user. ► Always cut with the chain running at full speed.
  • Page 20 English 11 Operating the Saw 11.8.3 Basic information on felling cut 1/10 Ø ► If the limb is under tension: Make the relieving cut (1) at the compression side and then per‐ C Felling notch form the bucking cut (2) from the tension side. The felling notch determines the direction of fall.
  • Page 21 11 Operating the Saw English ► If the wood is sound and long-fibered: 1 Normal tree Observe the following points when making A normal tree is vertical and has an even sapwood cuts: crown. – The cuts must be the same at both sides. 2 Leaner –...
  • Page 22 English 11 Operating the Saw 11.8.9 Felling a small diameter leaner ► With outstretched arms, cut through the stabi‐ lizing strap horizontally from outside at the A leaner is felled with a felling cut and holding same level as the felling cut. strap.

  • Page 23: After Finishing Work

    ► If the saw is wet: Allow the saw to dry. ► Allow chainsaw to cool down. ► Clean the saw. ► Clean the saw with a damp cloth or STIHL resin solvent. ► Clean the bar and chain. ► Loosen nuts on the chain sprocket cover.
  • Page 24 10 minutes. ► Clean the oil port (1), oil inlet hole (2) and bar ► Use a soft brush to clean the outside of the air groove (3) with a soft brush or STIHL resin filter (3). solvent.

  • Page 25: Maintenance

    A burr can build up on the outer edge of the ► If the spark plug is corroded: Install a new guide bar. spark plug. ► Remove burr with a flat file or a STIHL guide bar dressing tool. ► If you have any queries: Contact your STIHL servicing dealer.

  • Page 26: Repairing

    The chain is over-ten‐ ► Tension chain properly. sioned. Bar nose sprocket is ► Clean the bar nose sprocket with STIHL resin solvent. blocked. Smoke or burning Chain is not properly ► Sharpen the chain properly. smell while cutting.

  • Page 27: Specifications

    ► Remove the shroud (2). 19 Specifications ► Pull off the spark plug boot (3). 19.1 STIHL MS 400 C-M Chainsaw ► Unscrew the spark plug. ► Dry the spark plug. – Displacement: 66.8 cc – Engine power to ISO 7293: 4.0 kW (5.4 bhp) WARNING –...

  • Page 28: Bar And Chain Combinations

    The cutting length of a guide bar depends on the chainsaw and the saw chain being used. Actual cut‐ ting length of a guide bar may be less than the specified length. 21 Spare Parts and Accesso‐ STIHL recommends the use of original STIHL ries spare parts and accessories.

  • Page 29: Disposal

    22 Disposal English Original STIHL spare parts and original STIHL The year of manufacture and serial number are accessories are available from STIHL dealers. applied to the chainsaw. Waiblingen, 02/03/2020 22 Disposal ANDREAS STIHL AG & Co. KG 22.1 Disposing of Chainsaw Information on disposal is available from STIHL servicing dealers.
  • Page 30 English 23 EC Declaration of Conformity 0458-788-0121-B...
  • Page 31 23 EC Declaration of Conformity English 0458-788-0121-B...
  • Page 32 *04587880121B* 0458-788-0121-B...

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