Stihl Fs 460 Cm Manual
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FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 9 Adjust carrying harness and hand grip to suit your size before starting work. The machine should be properly balanced as specified in your instruction manual for proper control and less fatigue in operation. To be better prepared in case of an emergency, practice releasing the unit from the harness as quickly as possible. Starting Start the engine at least 10 feet (3 m) from the fueling spot, outdoors only.For specific starting instructions, see the appropriate section of your manual. Place the power tool on firm ground or other solid surface in an open area. Maintain good balance and secure footing. WARNING To reduce the risk of injury from blade or line contact, be absolutely sure that the cutting attachment is clear of you and all other obstructions and objects, including the ground, because when the engine starts at starting-throttle, engine speed will be fast enough for the clutch to engage and move the cutting attachment. Once the engine has started, immediately blip the throttle trigger, which should release the starting throttle and allow the engine to slow down to idle. With the engine running only at idle, attach the power tool to the spring hook of your harness (see appropriate chapter of this manual). WARNING Your power tool is a one-person machine. Do not allow other persons in the general work area, even when starting. WARNING To reduce the risk of injury from loss of control, do not attempt to "drop start" your power tool. WARNING When you pull the starter grip, do not wrap the starter rope around your hand. Do not let the grip snap back, but guide the starter rope to rewind it properly. Failure to follow this procedure may result in injury to your hand or fingers and may damage the starter mechanism. Important Adjustments WARNING To reduce the risk of personal injury from loss of control or contact with the running cutting attachment, do not use your unit with incorrect idle speed. At correct idle speed, the cutting attachment should not move. If your power tool shows an incorrect idle speed, have your STIHL dealer check your power tool and make proper adjustments and repairs. WARNING This unit is equipped with an ignition system that is normally in operational readiness. After the setting lever is used to stop the engine, it automatically springs back to the "on" position. If the engine is warm, it may be possible to start it by simply pulling the starter rope, with no further adjustments. To reduce the risk of injury, be particularly alert to keep children away from the unit. The deflector may be used in combination with brush knives. The deflector must not be used in combination with mowing heads. The deflector must not be used in combination with grass cutting blades. The deflector must not be used in combination with brush knives. The deflector must not be used in combination with circular saw blades.
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 10 During Operation Holding and Controlling the Power Tool Always hold the unit firmly with both hands on the handles while you are working. Wrap your fingers and thumbs around the handles, keeping the handles cradled between your thumb and forefinger. Keep your hands in this position to have your power tool under control at all times. Make sure your clearing saw handles and grips are in good condition and free of moisture, pitch, oil, fuel mix or grease. WARNING WARNING Do not overreach. Keep proper footing and balance at all times. Special care must be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. Watch for hidden obstacles such as tree stumps, roots and ditches to avoid stumbling. For better footing, clear away scrub and cuttings. Be extremely cautious when working on slopes or uneven ground. WARNING To reduce the risk of injury from loss of control, never work on a ladder or on any other insecure support. Never hold the cutting attachment above waist height. Working Conditions Operate and start your power tool only outdoors in a well-ventilated area. Operate it under good visibility and daylight conditions only. Work carefully. WARNING WARNING If the vegetation being cut or the surrounding ground is coated with a chemical substance (such as an active pesticide or herbicide), read and follow the instructions and warnings that accompanied the substance at issue. WARNING Inhalation of certain dusts, especially organic dusts such as mold or pollen, can cause susceptible persons to have an allergic or asthmatic reaction. Substantial or repeated inhalation of dust and other airborne contaminants, in particular those with a smaller particle size, may cause respiratory or other illnesses. Control dust at the source Never attempt to operate your power tool with one hand. Loss of control of the power tool resulting in serious or fatal injury may result. To reduce the risk of cut injuries, keep hands and feet away from the cutting attach- ment. Never touch a moving cutting attach- ment with your hand or any other part of your body. 002BA480 KN AV VRRQ DV WKH HQJLQH LV UXQQLQJ WKLV SURGXFW JHQ- erates toxic exhaust fumes containing chemi- cals, such as unburned hydrocarbons (including benzene) and carbon monoxide, that are known to cause respira- tory problems, cancer, birth defects, or other reproductive harm. Some of the gases (e.g. carbon monoxide) may be color- less and odorless. To reduce the risk of serious or fatal injury / illness from inhaling toxic fumes, never run the machine indoors or in poorly venti- lated locations.
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 11 where possible. Use good work practices, such as operating the unit so that the wind or operating process directs any dust raised by the power tool away from the operator. Follow the recommendations of EPA / OSHA / NIOSH and occupational and trade associations with respect to dust ("particulate matter"). When the inhalation of dust cannot be substantially controlled, i.e., kept at or near the ambient (background) level, the operator and any bystanders should wear a respirator approved by NIOSH / MSHA for the type of dust encountered. Operating Instructions WARNING Do not operate your power tool using the starting throttle position, as you do not have control of the engine speed. In the event of an emergency, shut off the engine immediately – move the momentary stop switch to STOP. WARNING WARNING The rotating cutting attachment may fling foreign objects directly or by ricochet a great distance.T o r e d u c e t h e r i s k o f e y e a n d o t h e r i n j u r y always wear proper eye protection (see the chapter on "Proper Clothing") and ensure that bystanders are at least 50 feet (15 m) away. To reduce the risk of damage to property, also maintain this distance from such objects as vehicles or windows. Even maintaining a minimum distance of 15 meters cannot exclude the potential danger. Any coworkers who must be in the restricted area should also wear goggles or protective glasses. Stop the engine immediately if you are approached. WARNING WARNING This clearing saw is normally to be used at ground level with the cutting attachment parallel to the ground. Use of a clearing saw above ground level or with the cutting attachment perpendicular to the ground may increase the risk of injury, since the cutting attachment is more fully exposed and the power tool may be more difficult to control. Never use your clearing saw as a hedge trimmer. WARNING During cutting, check the tightness and the condition of the cutting attachment at regular short intervals with the engine and attachment stopped. If the behavior of the attachment changes during use, stop the engine immediately, wait until the cutting attachment stops, and check the nut securing the attachment for tightness and the blade or head for cracks, wear and damage. WARNING A loose blade or head may vibrate, crack, break or come off the clearing saw, which may result in serious or fatal injury. Make sure that the cutting attachment is properly tightened. Use the wrench supplied or one of sufficient length to obtain the proper torque. If the blade or head loosens after being properly tightened, stop work immediately. The retaining nut may be worn or damaged and should be replaced. If the blade or head continues to loosen, see your STIHL dealer. Never use a clearing saw with a loose cutting attachment. WARNING Replace a cracked, damaged or worn- out head or a cracked, bent, warped, damaged, dull or worn out blade immediately, even if damage is limited to The cutting attachment continues to rotate for a short period after the throttle trigger is released (flywheel effect.) Inspect the work area: To reduce the risk of injury, remove stones, pieces of metal and other solid objects which could be thrown 15 meters or more by the cutting attachment or damage the cutting attachment and property (e.g. parked vehicles, windows). 15m (50ft)
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 12 superficial cracks. Such attachments may shatter at high speed and cause serious or fatal injury. WARNING When using rigid blades, avoid cutting close to fences, sides of buildings, tree trunks, stones or other such objects that could cause the power tool to kick out or could cause damage to the blade. STIHL recommends use of the nylon line heads for such jobs. In addition, be alert to an increased possibility of ricochets in such situations. WARNING If a rotating metal blade strikes a rock or other hard object, sparks may be created, which can ignite flammable materials under certain circumstances. Flammable materials can include dry vegetation and brush, particularly when weather conditions are hot and dry. When there is a risk of fire or wildfire, do not use metal blades around flammable materials or around dry vegetation or brush. Contact your local fire authorities or the U.S. Forestry Service if you have any question about whether vegetation and weather conditions are suitable for the use of a metal blade. WARNING If the head, blade or deflector becomes clogged or stuck, always shut off the engine and make sure the cutting attachment has stopped before cleaning. Grass, weeds, etc. should be cleaned off the blade or from around the head at regular intervals. WARNING To reduce the risk of unintentional rotation of the cutting attachment and injury, always shut off the engine and remove the spark plug boot before replacing the cutting attachment. To reduce the risk of injury, always shut off the engine before adjusting the length of the nylon line on manually adjustable mowing heads. WARNING Do not turn the engine on over the starter with the spark plug boot or spark plug removed since there is otherwise a risk of fire from uncontained sparking. WARNING The gearbox becomes hot during operation. To reduce the risk of burn injury, do not touch the gear housing when it is hot. WARNING Never modify your muffler. Any modification could cause an increase in heat radiation, sparks or sound level, thereby increasing the risk of fire, burn injury or hearing loss. You may also permanently damage the engine. Have your muffler serviced and repaired by your STIHL servicing dealer only. WARNING The muffler and other parts of the engine (e.g. fins of the cylinder, spark plug) become hot during operation and remain hot for a while after stopping the engine. To reduce risk of burns, do not touch the muffler and other parts while they are hot. Keep the area around the muffler clean. Remove excess lubricant and all debris such as pine needles, branches or leaves. Let the engine cool down sitting on concrete, metal, bare ground or solid wood (away from any combustible substances. WARNING An improperly mounted or damaged cylinder housing or a damaged/deformed muffler shell may interfere with the cooling process of the muffler. To reduce the risk of fire or burn injury, do not continue work with a damaged or improperly mounted cylinder housing or a damaged/deformed muffler shell. Your muffler is furnished with a spark arresting screen designed to reduce the risk of fire from the emission of hot particles. Never operate your unit with a missing or damaged spark arresting screen. If your gas/oil mix ratio is correct (i.e., not too rich), this screen will normally stay clean as a result of the heat from the muffler and need no service or maintenance. If you experience loss of performance and you suspect a clogged screen, have your muffler maintained by a STIHL servicing dealer. Some state or federal laws or regulations may require a properly maintained spark arrestor for certain uses. See the "Maintenance, Repair and Storing" section of these Safety Precautions. Remember that the risk of a brush or forest fire is greater in hot or dry conditions.
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 13 WARNING USING THE CUTTING ATTACHMENT For an illustration of the various cutting attachments and instructions on proper mounting see the chapter on "Mounting the Cutting Attachment" in your instruction manual. WARNING To reduce the risk of severe or fatal injury from blade contact and / or loss of control, never attempt to use a metal blade on an FS model for which it is not authorized.Using the Mowing Heads Do not use with mowing line longer than the intended length. With a properly mounted deflector, the built-in line- limiting blade will automatically adjust the line to its proper length. Using the unit with an overly long nylon cutting line increases the load on the engine and reduces its operating speed. This causes the clutch to slip continuously and results in overheating and damage to important components (e.g. clutch, polymer housing components). Such damage could, among other things, cause the cutting attachment to rotate at idle. Mowing heads are to be used only on clearing saws equipped with a line- limiting blade in the deflector in order to keep the line at the proper length (see "Main Parts" chapter in your instruction manual). If the lawn edges are planted with trees or bordered by a fence etc., it is best to use a nylon line head. It achieves a "softer" cut with less risk of damaging tree bark etc. than polymer blades. However, the polymer-bladed STIHL PolyCut produces a better cut if there are no plants along the edge of the lawn. Sharpening is not necessary, and worn polymer blades are easily replaced. WARNING To reduce the risk of serious injury, never use wire or metal-reinforced line or other material in place of the nylon cutting lines. Pieces of wire could break off and be thrown at high speed toward the operator or bystanders. STIHL SuperCut mowing head Fresh line is advanced automatically. Frayed line is replaced by a simple adjustment (see instruction sheet supplied with mowing head). STIHL AutoCut mowing head Nylon cutting line advances automatically when tapped against the ground (TapAction). STIHL TrimCut mowing head Frayed line is replaced by a simple adjustment (see instruction sheet supplied with mowing head). STIHL DuroCut mowing head Uses only nylon lines. Observe wear indicators. NOTICE There are four wear limit indicators shaped like exclamation marks in the base of the DuroCut. If one of these 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 pro- cess in the muffler. Due to this process, the muf- fler does not cool down as rapidly as conven- tional mufflers when the engine returns to idle or is shut off. To reduce the risk of fire and burn inju- ries when using a catalytic converter, always set your power tool down in the upright position and never locate it where the muffler is near dry brush, grass, wood chips or other com- bustible materials while it is still hot. 002BA354 KN 681BA209 KN
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 14 built-in indicators becomes visible, do not continue using the DuroCut since it might otherwise be damaged. Replace the worn base plate with a new base plate. It is important to follow the maintenance instructions supplied with the head. STIHL PolyCut mowing head Uses either nylon lines or nonrigid, pivoting polymer blades. Observe wear indicators. WARNING Three rectangular wear limit marks are applied to the base (periphery) of the PolyCut. To reduce the risk of serious injury from breakage of the head or blades, the PolyCut must not be used when it has worn as far as one of these marks. It is important to follow the maintenance instructions supplied with the head. WARNING If the wear limit marks are ignored, there is a risk of the cutting attachment shattering and flying parts injuring the operator or bystanders. To reduce the risk of accidents from shattered blades, avoid contact with stones, metal and similar solid objects. Check PolyCut blades for cracks at regular intervals. If a crack is found on one blade, always replace all blades. Risk of Kickout (Blade Thrust) with all Rigid Cutting Blades WARNING This kickout (blade thrust) may cause loss of control of the power tool and may result in serious or fatal injury to the operator or bystanders. To reduce the risk of injury, extreme caution should be used when cutting with the shaded area of any rigid blade.Using the Grass Cutting Blade All kinds of grass and weeds can be easily cut with the grass cutting blade. The power tool is swept in an arc similar to a scythe.WARNING To reduce the risk of serious or fatal injury from blade breakage, never attempt to use this blade to cut woody materials. The 4-tooth grass cutting blade is intended to cut grass and weeds. It has 4 cutting knives with cutting edges on both sides, i.e. front and rear. When the cutting edges on one side become dull, the blade can be turned over to utilize the cutting edges on the other side. The 8-tooth grass cutting blade is recommended for cutting fern or reed. Both types of grass cutting blade have to be resharpened when all cutting edges are dull. Using the Brush Knife When fitted to the power tool, the brush knife is suitable for applications ranging from cutting matted grass to clearing weeds, wild growth and scrub.002BA396 KN KLFNRXW EODGH WKUXVW LV WKH VXGGHQ DQG XQFRQ- trolled motion towards the operator's right or rear that can occur when the shaded area (espe- cially the darkly shaded area) of a rotating blade comes in contact with a solid rigid object like a tree, rock, bush or wall. The rapid counterclock- wise rotation of the blade may be stopped or slowed, and the cutting attachment may be thrown to the right or to the rear. 002BA135 KN 002BA355 KN
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 15 To cut wild growth and scrub, lower the rotating brush knife down onto the growth to achieve a chopping effect – but keep the tool below waist height at all times. WARNING Exercise extreme caution when using this method of cutting. The higher the cutting attachment is off the ground, the greater the risk of loss of control and of cuttings being thrown sideways. Use the power tool like a scythe to cut grass, i.e. sweep it to and fro in an arc. WARNING When cutting woody materials, use the left side of the blade to avoid "kickout" (blade thrust) situations. WARNING Improper use of a brush knife may cause it to crack, chip or shatter. Thrown blade fragments may seriously or fatally injure the operator or bystanders. To reduce the risk of injury, avoid contact with hard or solid foreign objects such as stones, rocks or pieces of metal. WARNING When cutting young saplings or other woody materials up to 2 cm (3/4 in.) in diameter, use the left side of the blade to avoid "kickout" situations (see section on "Risk of kickout (blade thrust) with all rigid cutting blades"). Do not attempt to cut woody material with a larger diameter, since the blade may catch or jerk the power tool forward. This may cause damage to the blade or power tool or loss of control of the power tool, resulting in personal injury. Use a circular saw blade for such work. WARNING Inspect the brush knife at regular short intervals for signs of damage. Do not continue working with a damaged brush knife. Resharpen the brush knife regularly (when it has dulled noticeably). Using the Circular Saw Blade Circular saw blades are suitable for thinning brush and cutting small trees up to a diameter of 7 cm (2 3/4 in.). Do not attempt to cut trees with larger diameters, since the blade may catch or jerk the clearing saw forward. This may cause damage to the blade or loss of control of the power tool and result in serious injury. Use a chain saw for such work. WARNING To reduce the risk that the blade will crack and / or break, avoid all contact with stones, rocks or the ground. Sharpen blades in a timely manner as specified – dull teeth may cause the blade to crack or shatter. When a clearing saw with a circular saw blade is used to cut down small trees, STIHL recommends that the standard deflector be removed and replaced by the special limit stop deflector (see chapter on "Mounting the Deflector"). This limit stop helps to keep the unit positioned against the tree during the cutting process. Inexperienced users should place the left side of the stop against the tree trunk before beginning to cut. This will keep the clearing saw against the tree during the cutting operation and will reduce the risk of loss of control and possible kickout (described above and briefly again below). Before starting the cut, accelerate the engine up to full throttle. Perform cut with uniform pressure. STIHL recommends that the circular saw blade 002BA509 KN 002BA067 KN 002BA214 ST
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 16 be applied to the right of the tree, using the non-shaded area of the blade, as shown in the illustration above. WARNING The risk of kickout is highest when cutting in the darker shaded area. To reduce the risk of kickout and resulting injury, do not use this area of the circular saw blade for cutting trees or shrubs. Special techniques using the lighter shaded areas of the blade to cut shrubs and trees should only be used by experienced operators with specialized training in the use and control of the clearing saw. When felling small trees, maintain a distance of at least two tree lengths from the nearest coworker. WARNING In order to reduce the risk of injury from thrown objects or operator contact with the blade or head, be sure to remount the standard deflector when no longer using a circular saw blade.MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual. However, if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may deny coverage. WARNING Use only identical STIHL replacement parts for maintenance and repair. Use of non-STIHL parts may cause serious or fatal injury. Strictly follow the maintenance and repair instructions in the appropriate sections of your instruction manual. WARNING Always stop the engine and make sure that the cutting attachment is stopped before doing any maintenance or repair work or cleaning the power tool. Do not attempt any maintenance or repair work not described in your instruction manual. Have such work performed by your STIHL servicing dealer only. Wear gloves when handling or performing maintenance on blades. WARNING Use the specified spark plug, and make sure it and the ignition lead are always clean and in good condition. Always press the spark plug boot snugly onto the spark plug terminal of the proper size. (Note: If the terminal has a detachable SAE adapter nut, it must be securely attached.) A loose connection between the spark plug and the ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. WARNING Never test the ignition system with the spark plug boot removed from the spark plug or with a removed spark plug, since uncontained sparking may cause a fire. WARNING Do not operate your power tool if the muffler is damaged, missing or modified. An improperly maintained muffler will increase the risk of fire and hearing loss. Your muffler is equipped with a spark- arresting screen to reduce the risk of fire; never operate your power tool if the screen is missing, damaged or clogged. Remember that the risk of a brush or forest fire is greater in hot or dry weather. In California, it is a violation of § 4442 or § 4443 of the Public Resources Code to use or operate gasoline-powered tools on forest-covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a complying spark arrester that is maintained in effective working order. The owner/operator of this product is responsible for properly maintaining the spark arrester. Other states or governmental entities/agencies, such as the U.S. Forest Service, may have similar requirements. Contact your local 002BA068 KN
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 17 fire agency or forest service for the laws or regulations relating to fire protection requirements. WARNING Never repair damaged cutting attachments by welding, straightening or modifying the shape. This may cause parts of the cutting attachment to come off and result in serious or fatal injuries. Keep blades sharp. Tighten all nuts, bolts and screws after each use. Do not clean your machine with a pressure washer. The solid jet of water may damage parts of the machine. Store the power tool in a dry and high or locked location out of reach of children. Before storing for longer than a few days, always empty the fuel tank. See chapter "Storing the Machine" in the instruction manual.
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L English 18 Approved Combinations The complete combination includes: –Cutting attachment –Deflector –Handle –HarnessSelect correct combination from the table according to the cutting attachment you intend to use. WARNING For safety reasons only the cutting attachments and deflectors or limit stops shown in each row of the table may be used together. No other combinations are permitted because of the risk of accidents.Cutting Attachments Mowing heads 1STIHL SuperCut 40- 2 Approved Combinations of Cutting Attachment, Deflector, Limit Stop and Harness Cutting Attachment Deflector, Limit Stop Harness 11 0000-GXX-0393-A0 8 1213 9 16 17 18 20 1415 19 10 1 75 23 6 4