Stihl E 20 Instruction Manual

Stihl E 20 Manual

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  • Stihl E 20 | Instruction Manual - Page 1
  • Stihl E 20 | Instruction Manual - Page 2
    STIHL has developed a color code system using green and yellow to help you select a powerhead, bar and chain combination that complies with the kickback requirements of the ANSI Standard. See the sections entitled "Safety Precautions" and "Specifications" of this manual of the guide bar contact a
  • Stihl E 20 | Instruction Manual - Page 3
    Finishing Work Taking Care of Guide Bar Checking and Replacing the Chain manual contains operating and 31 safety instructions for all STIHL E 220 34 series chainsaws. 35 Pay special attention to the safety 36 precautions outlined on pages 4 to 20. 36 Allow only persons who understand this Manual
  • Stihl E 20 | Instruction Manual - Page 4
    4 2 5 1 3 6 87 21 20 22 23 25 24 26 27 107BA019 LA 107BA014 KN matic guide bar Oilomatic saw chain Bumper spike Front hand guard Front handle Interlock button Trigger switch Oil inspection window Rear hand guard Rear handle Oil filler cap
  • Stihl E 20 | Instruction Manual - Page 5
    Supports and guides the saw chain. A loop consisting of cutters, tie straps and drive links. Toothed stop for holding saw steady against wood. Provides protection against projecting branches and helps prevent left hand from touching the chain if it slips off the handle bar. Handle bar for the left
  • Stihl E 20 | Instruction Manual - Page 6
    mph (20 m/s). It is important that you read, fully understand and observe the following safety precautions and warnings. Read the Owner's Manual and the injury. Have your STIHL dealer show you how to operate your chainsaw. Observe all applicable local safety regulations, standards and ordinances. !
  • Stihl E 20 | Instruction Manual - Page 7
    above symptoms appear, seek medical advice immediately. !Warning! According to STIHL's current knowledge, the electric motor or this unit should not interfere glasses with adequate top and side protection complying with your national standard. Wear an approved safety hard hat to protect your head.
  • Stihl E 20 | Instruction Manual - Page 8
    "Mounting the Bar and Chain" of your Owner's Manual. STIHL Oilomatic chain, guide bar and sprocket must match each other in gauge and pitch. Before replacing any bar and chain, see the sections on "Specifications", "Kickback" and the "ANSI B 175.1-2000 chainsaw kickback standard" in this manual. 6
  • Stihl E 20 | Instruction Manual - Page 9
    Proper tension of the chain is extremely important. In order to avoid improper setting, the tensioning procedure must be followed as described in your manual. Always make sure the hexagonal nut(s) for the sprocket cover is (are) tightened securely after tensioning the chain. Never start the saw with
  • Stihl E 20 | Instruction Manual - Page 10
    upper quadrant touches an object, it may cause kickback to occur (see section on reactive forces). Never attempt to start the chainsaw when the guide bar is in a cut or kerf. !Warning! Use of this product (including sharpening the saw chain) can generate dust, mists and fumes containing chemicals
  • Stihl E 20 | Instruction Manual - Page 11
    control reactive forces and you may lose control of the saw, which can result in the skating or bouncing of the bar and chain along the limb or log. Cutting Instructions Grip: Always hold the saw firmly with both hands when the engine is running. Place your left hand on front handle
  • Stihl E 20 | Instruction Manual - Page 12
    maintain a firm foothold. Never work on a ladder, or on any other insecure support. Never use the saw above shoulder height. !Warning! Never work in a tree unless the saw when reaching the end of a cut. The pressure may cause the bar and rotating chain to pop out of the cut or kerf, go out of
  • Stihl E 20 | Instruction Manual - Page 13
    chain near the upper quadrant of the bar nose contacts the wood or is pinched bar and saw chain you use is an important factor in the occurrence and force of the kickback reaction. Some STIHL bar and chain types are designed to reduce kickback forces. STIHL recommends the use of reduced kickback bars
  • Stihl E 20 | Instruction Manual - Page 14
    with green labeled reduced kickback bars and low kickback chains. !Warning! To reduce the risk of injury, stop using the saw immediately if the chain brake does not function properly. Take the saw to your local STIHL Service Center! Do not use the saw until the problem has been rectified (see the
  • Stihl E 20 | Instruction Manual - Page 15
    occurs, the guide bar may rotate . See the chapter entitled "Chain Brake" in your Owner's Manual. !Warning! Never operate your chainsaw without a front hand guard saw chain and reduced kickback bars STIHL offers a variety of bars and chains. STIHL reduced kickback bars and low kickback chains are
  • Stihl E 20 | Instruction Manual - Page 16
    chains. !Warning! When used with other, more aggressive chains, these bars may be less effective in reducing kickback, and may result in higher kickback forces. Bow Guides !Warning! Do not mount a bow guide on any STIHL chainsaw. Any chainsaw equipped with a bowguide is potentially very dangerous
  • Stihl E 20 | Instruction Manual - Page 17
    with both hands and maintain a secure grip. 2. Be aware of the location of the guide bar nose at all times. 3. Never let the nose of the guide bar contact any object. Do not cut limbs with the nose of the guide bar. Be especially careful when cutting small, tough limbs, small size brush and saplings
  • Stihl E 20 | Instruction Manual - Page 18
    power cable! Electric saws are intended for stationary use in yards, buildings, etc. Cutting Techniques These general instructions apply to all chain saws. As stated above, however, STIHL recommends against use of your electric saw in the woods. Felling Felling is cutting down a tree. Before felling
  • Stihl E 20 | Instruction Manual - Page 19
    english / USA 001BA040 KN 001BA041 KN 001BA052 KN B A 45° A 45° B Escape path First clear the tree base and work area from interfering limbs and brush and clean its lower portion with an axe. Then, establish two paths of escape (B) and remove all obstacles. These paths should be generally
  • Stihl E 20 | Instruction Manual - Page 20
    larger trees make cuts at both sides of the trunk, : at same height as subsequent felling cut : Cut to no more than width of guide bar This is especially important in softwood in summer - it helps prevent sapwood splintering when the tree falls. B = Felling cut Conventional and open-face technique
  • Stihl E 20 | Instruction Manual - Page 21
    limbs. !Warning! Be extremely careful with partially fallen trees which are poorly supported. When the tree hangs or for some other reason does not fall tree that has a diameter greater than the length of the guide bar requires use of either the sectioning felling cut or plunge-cut method
  • Stihl E 20 | Instruction Manual - Page 22
    log or other limbs with the nose of the guide bar. Do not stand on a log while limbing it you may slip or the log may roll. Start limbing by leaving the lower limbs to support the log off the ground. When underbucking freely loss of control of the saw and severe or fatal injury to the operator. 20
  • Stihl E 20 | Instruction Manual - Page 23
    slivers of wood may be caught and flung in the direction of the operator of the saw. 4. When cutting small logs, place log through "V" - shaped supports on top of a sawhorse. Never permit another person to hold the log. Never hold the log with your leg or foot. 5. Logs under strain: Risk
  • Stihl E 20 | Instruction Manual - Page 24
    repair instructions in the appropriate section of your Owner's Manual, especially those in the chapters " Mounting the Bar and repair work not described in your Owner's Manual. Have such work performed at your STIHL service shop only. Keep the chain, bar and sprocket clean; replace worn sprockets or
  • Stihl E 20 | Instruction Manual - Page 25
    chainsaw - depending on the chain sprocket (see Specifications). The chain pitch must match the pitch of the sprocket and guide bar. The drive link gauge must match the guide bar groove width. • Unscrew nut and take off the cover. • Turn screw counterclockwise until tensioner slide butts against the
  • Stihl E 20 | Instruction Manual - Page 26
    to aging (e.g. STIHL Bioplus) since it will otherwise quickly turn to resin. This results in hard deposits that are difficult to remove, especially in the area of the chain drive, clutch and chain. It may even cause the oil pump to seize. The service life of the chain and guide bar depends on the
  • Stihl E 20 | Instruction Manual - Page 27
    the hand guard is pushed toward the bar nose by the left hand. • Pull the hand guard back toward the front handle. The chain braking system is subject to normal wear. It must therefore be checked and serviced regularly by trained personnel (e.g. STIHL dealer) at the following intervals: Full-time
  • Stihl E 20 | Instruction Manual - Page 28
    The the be the same. and must : Connect the saw via a ground-fault circuit breaker. Extension cord must be suitable for outdoor use. : Must be equipped with a fuse or automatic circuit breaker. If the fuse or circuit breaker is tripped when you switch on the saw, use an extension cord (at least
  • Stihl E 20 | Instruction Manual - Page 29
    saw chain in the cut. If the overload circuit breaker has cut off the power supply: Pull the guide bar out of the cut. •• Wait for the overload circuit breaker • to cool down (about 20 seconds). Disengage chain brake if • necessary. Press in button as far as stop. If the motor does not
  • Stihl E 20 | Instruction Manual - Page 30
    "Checking Chain Tension". The chain stretches and begins to sag. The drive links on the underside of the bar must not come out of the bar groove - the chain may otherwise jump off the bar. • Retension the chain see section "Tensioning the Saw • Chain". Disconnect saw from the power supply 28 • if
  • Stihl E 20 | Instruction Manual - Page 31
    on filing gauge* - in area of nose on Duromatic bars - a or in area used most for cutting on Rollomatic bars. Chain type Rapid Chain pitch 3/8" Minimum groove depth 6.0 mm (0.24") •If groove depth is less than specified: Replace the guide bar. The drive link tangs will otherwise scrape along
  • Stihl E 20 | Instruction Manual - Page 32
    For periods of about 3 months or longer: • Remove the saw chain and guide bar, clean them and protect with corrosion inhibiting oil. Thoroughly clean the machine •• If you use a biological chain and bar lubricant (e.g. STIHL Bioplus), • completely fill the chain oil tank. Store the machine in a dry
  • Stihl E 20 | Instruction Manual - Page 33
    observe certain angles when resharpening the chain cutters A B Filing angle Side plate angle Chain type Rapid-Micro (RM) Rapid-Super (RS) Picco-Micro (PM/PMN) Cutter shapes: Micro = Semi-chisel Super = Full chisel 689BA020 KN 689BA021 KN Angle (°) AB 30 85 30 60 30 85 . See "Technical Data" for
  • Stihl E 20 | Instruction Manual - Page 34
    of Super chain. The correct filing angle is marked on the file holder. 85° 70° 90° 60° 80° 30° 35° 10° 0° 689BA022 KN STlHL filing gauge* (see table) A universal tool for checking the filing and side plate angles, depth gauge setting and cutter length. Also cleans the guide bar groove
  • Stihl E 20 | Instruction Manual - Page 35
    689BA023 KN 689BA024 KN a The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the chip removed. Distance between depth gauge and cutting edge = Chain pitch Depth gauge distance " " Inch (mm) 1/4 3/8-PM 3/8-PMN 0.325 3/8 (6.35) (9.32) (9.32) (8.
  • Stihl E 20 | Instruction Manual - Page 36
    brake Chain oil tank Chain lubrication Saw chain Guide bar Chain sprocket Cooling inlets All accessible screws and Clean and turn over Deburr Replace Check Clean Retighten Check Replace chain sprocket cover Check Have replaced by STIHL dealer x x x 24 x 23 x 23 x x 25 x 29 x 22 x 29
  • Stihl E 20 | Instruction Manual - Page 37
    after publication of this Manual, ask your STIHL dealer for the latest STIHL recommendations. Other cutting attachments available for this powerhead are: STIHL yellow-labeled bar: Rollomatic "S" with sprocket nose 37, 40, 45, or 50 cm (15, 16, 18 or 20 in) Duromatic with stellite tipped nose
  • Stihl E 20 | Instruction Manual - Page 38
    servicing dealer using original STlHL spare parts. Original STIHL parts can be identified by the STlHL part number, the logo and the STIHL parts symbol The symbol may appear alone on small parts. STIHL Inc. 536 Viking Drive P.O. Box 2015 Virginia Beach VA 23452-2015 Model Machine number Guide bar
  • Stihl E 20 | Instruction Manual - Page 39
    8. Carry the chainsaw with the motor stopped, the guide bar and saw chain to the rear. 9. Do not Manual maintenance instructions, should be performed by competent chainsaw service personnel. 16. When transporting your chainsaw, use the appropriate chain guard (scabbard). 17. Reduced kickback bars
  • Stihl E 20 | Instruction Manual - Page 40
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