Stihl MS 180 C-BE Product Instruction Manual - Page 45
File holder, Use a file holder, Use only special saw chain files, To check the angles, Proper
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File holder N Use a file holder Always use a file holder (special accessory, see table "Sharpening tools") when sharpening saw chains by hand. File holders have markings for the sharpening angle. Use only special saw chain files! Other files are unsuitable in terms of shape and type of cutting. To check the angles 689BA025 KN Proper sharpening N Select sharpening tools in accordance with chain pitch N Clamp guide bar if necessary N Block saw chain - push the hand guard forward N To advance the saw chain, pull the hand guard toward the handlebar: The chain brake is disengaged. With the Quickstop Plus chain brake system, additionally press the throttle trigger lockout N Sharpen frequently, removing little material - two or three strokes of the file are usually sufficient for simple resharpening 90° 689BA018 KN English markings on the file holder - rest the file holder on the tooth head and the depth gauge N File only from the inside outward N The file only sharpens on the forward stroke - lift the file on the backstroke N Do not file tie straps and drive links N Rotate the file a little periodically in order to avoid uneven wear N To remove file burr, use a piece of hardwood N Check angle with file gauge All cutters must be equally long. With varying cutter lengths, the cutter heights also vary and cause rough running of the saw chain and chain breakage. N All cutters must be filed down equal to the length of the shortest cutter - ideally, one should have this done by a servicing dealer using an electric sharpener Depth gauge setting 001BA203 KN 689BA023 KN STIHL filing gauge (special accessory, see table "Sharpening tools") - a universal tool for checking sharpening and side plate angles, depth gauge setting, and tooth length, as well as cleaning grooves and oil inlet holes. a 689BA043 KN N Guide the file: horizontally (at a right angle to the side surface of the guide bar) in accordance with the specified angle - according to the The depth gauge determines the depth to which the cutter penetrates the wood and thus the chip thickness. MS 170, MS 170 C, MS 180, MS 180 C 43