Stihl String Trimmer Repair Manual Fs55
Fs55 Manual. 1.
STIH) STIHL FS 55 Instruction Manual Manual de instrucciones Warning! Read and follow all safety precautions in Instruction Manual – improper use can cause serious or fatal injury. Lea y siga todas las precauciones de seguridad dadas en el manual de instrucciones – el uso incorrecto puede causar lesiones graves o mortales. English / USA Contents Guide to Using this Manual. 2 Checking the Spark Plug.
38 Allow only persons who understand this BASE0120060113.fm Safety Precautions and Working Rewind Starter. 39 manual to operate your trimmer/ Techniques. 3 Storing the Machine. 39 brushcutter. Approved Combinations of Lubricating the Gearbox. 39 To receive maximum performance and Mowing Tool, Deflector, Sharpening Metal Cutting Tools.
40 satisfaction from your STIHL trimmer/ Handle and Harness. 18 Inspections and Maintenance brushcutter, it is important that you read Mounting the Bike Handle. 20 by STIHL Service. 41 and understand the maintenance and Mounting the Loop Handle. 21 Maintenance Chart. 42 safety precautions, starting on page 3, Fitting the Carrying Eye.
22 Parts and Controls. 43 before using your trimmer/brushcutter. Mounting the Deflector. 23 Specifications. 45 Mounting the Cutting Tools.
23 Special Accessories. 46 Contact your STIHL dealer or the STIHL Fuel. 28 Maintenance and Repairs. 47 distributor for your area if you do not understand any of the instructions in this Printing inks contain vegetable oils; paper can be recycled. 29 STIHL Incorporated Fitting the Harness. 29 Federal Emission Control manual.
Balancing the Brushcutter. 30 Warranty Statement. 48 Starting / Stopping.
31 STIHL Incorporated California!Warning! Operating Instructions. 35 Exhaust and Evaporative Emissions Because a trimmer/brushcutter is a high- Cleaning the Air Filter.
35 Control Warranty Statement. 50 speed cutting tool some special safety Motor Management. 36 Trademarks.
52 precautions must be observed to reduce the risk of personal injury. Printed on chlorine-free paper.
Adjusting the Carburetor. 36 Careless or improper use may cause serious or even fatal injury. Make sure your unit is equipped with the proper deflector, handle and harness for the type of cutting attachment being used. Always wear proper eye protection. STIHL's philosophy is to continually improve all of its products. As a result, engineering changes and improve- ments are made from time to time.
If the 0458 233 8621 C. Printed in USA operating characteristics or the appear- ance of your trimmer/brushcutter differs © ANDREAS STIHL AG & Co. KG, 2007 from those described in this manual, please contact your STIHL dealer for information and assistance. STIHl FS 55 1. English / USA Guide to Using this Manual Pictograms In addition to the operating instructions, Equipment and features this manual may contain paragraphs All the pictograms attached to the This instruction manual may refer to that require your special attention. Such machine are shown and explained in several models with different paragraphs are marked with the this manual.
Components that are not symbols described below: installed on all models and related The operating and handling instructions Warning where there is a risk of an applications are marked with an are supported by illustrations. Accident or personal injury or asterisk (.). Such components may Symbols in text serious damage to property.
Be available as special accessories from your STIHL dealer. The individual steps or procedures Caution where there is a risk of described in the manual may be marked damaging the machine or its in different ways: individual components. Engineering improvements: A bullet marks a step or procedure Note or hint which is not essential STIHL’s philosophy is to continually without direct reference to an for using the machine, but may improve all of its products. As a result, illustration. Improve the operator’s under- engineering changes and improvements standing of the situation and result are made from time to time.
If the A description of a step or procedure that in better use of the machine. Operating characteristics or the refers directly to an illustration may appearance of your machine differ from Note or hint on correct procedure in those described in this manual, please contain item numbers that appear in the order to avoid damage to the contact your STIHL dealer for illustration. Example: Loosen the screw (1) Therefore some changes, modifications and improvements may not be covered Lever (2).
In this manual. 2 FS 55. English / USA Safety Precautions and Working Techniques Because a trimmer/ brushcutter is a high-!Warning!Warning! Speed, fast-cutting power As more fully explained later in these The use of this machine may be tool sometimes equipped Safety Precautions, to reduce the risk of hazardous.
If the rotating line or blade with sharp cutting blades, personal injury, make sure your unit is comes in contact with your body, it will special safety precautions equipped with the proper handle, cut you. When it comes in contact with must be observed to reduce the risk of harness and deflector for the type of solid foreign objects such as rocks or personal injury.
Cutting attachment you are using. Use bits of metal, it may fling them directly or only cutting attachments that are by ricochet in the direction of bystanders It is important that you specifically authorized by STIHL for use or the operator. Striking such objects read, fully understand and on your FS model. Could damage the cutting attachment observe the following and may cause blades to crack, chip or safety precautions and Have your STIHL dealer show you how break. Thrown objects, including broken warnings.
Read the to operate your power tool. Observe all heads or blades, may result in serious or instruction manual and applicable local safety regulations, fatal injury to the operator or bystanders. The safety precautions periodically. Standards and ordinances. STIHL does not recommend the use of Careless or improper use may cause serious or fatal injury.!Warning! Rigid blades when cutting in stony areas.
Do not lend or rent your power tool Use your trimmer/brushcutter equipped The terminology utilized in this manual without the instruction manual. Be sure with the appropriate cutting attachment when referring to the power tool reflects that anyone using it understands the only for cutting grass and similar the fact that different types of cutting information contained in this manual.
It must not be used for any attachments may be mounted on it. The other purposes, since such misuse may term quot;trimmerquot; is used to designate an result in an accident or damage to the FS unit that is equipped with a nylon line machine. Head or a head with flexible plastic blades (i.e., the PolyCut head). Quot;brushcutterquot; designates a unit equipped with a rigid metal blade. Many Minors should never be allowed to use FS models may be used as either a this power tool. Bystanders, especially trimmer or a brushcutter - therefore, the children, and animals should not be power tool is referred in this manual as a allowed in the area where it is in use. Quot;trimmer/brushcutter.quot; Some smaller and/or lightweight FS models may only be used as a trimmer, i.e., they may not be used with metal blades.
FS 55 3. English / USA THE OPERATOR These conditions reduce the hand's!Warning! Ability to feel and regulate temperature, To reduce the risk of injury to bystanders Physical Condition produce numbness and burning and damage to property, never let your You must be in good physical condition sensations and may cause nerve and power tool run unattended. When it is and mental health and not under the circulation damage and tissue necrosis. Not in use (e.g. During a work break), influence of any substance (drugs, All factors which contribute to white- shut it off and make sure that alcohol, etc.) which might impair vision, finger disease are not known, but cold unauthorized persons do not use it.
Dexterity or judgment. Do not operate weather, smoking and diseases or this machine when you are fatigued. Most of these safety precautions and physical conditions that affect blood warnings apply to the use of all STIHL!Warning! Vessels and blood transport, as well as trimmer/brushcutters. Different models high vibration levels and long periods of Be alert – if you get tired, take a break. May have different parts and controls. Exposure to vibration are mentioned as Tiredness may result in loss of control.
See the appropriate section of your factors in the development of whitefinger Working with any power tool can be instruction manual for a description of disease. In order to reduce the risk of strenuous.
If you have any condition that the controls and the function of the parts whitefinger disease and carpal tunnel might be aggravated by strenuous work, syndrome, please note the following: of your model. Check with your doctor before operating Safe use of a trimmer/brushcutter this machine. Most STIHL power tools are available involves with an anti-vibration (“AV”) system!Warning! Designed to reduce the transmission of 1. The operator Prolonged use of a power tool (or other vibrations created by the machine to the 2. The power tool machines) exposing the operator to operator's hands.
An AV system is 3. The use of the power tool. Vibrations may produce whitefinger recommended for those persons using disease (Raynaud's phenomenon) or power tools on a regular or sustained carpal tunnel syndrome.
4 FS 55. English / USA Keep the AV system well maintained. A Proper Clothing power tool with loose components or!Warning! To reduce the risk of injury, the operator with damaged or worn AV buffers will Power tool noise may should wear proper protective apparel.
Tend to have higher vibration levels. Damage your hearing. Maintain a firm grip at all times, but do!Warning! Wear sound barriers (ear plugs or ear mufflers) to not squeeze the handles with constant, The deflector provided with your power protect your hearing. Excessive pressure.
Wear gloves and tool will not protect the operator from all Continual and regular keep your hands warm. Take frequent foreign objects (gravel, glass, wire, etc.) users should have their hearing checked breaks. Thrown back by the rotating cutting regularly.
All the above-mentioned precautions do attachment. Thrown objects may also ricochet and strike the operator. Be particularly alert and cautious when not guarantee that you will not sustain wearing hearing protection because whitefinger disease or carpal tunnel!Warning! Your ability to hear warnings (shouts, syndrome. Therefore, continual and To reduce the risk of injury alarms, etc.) is restricted. Regular users should closely monitor the condition of their hands and fingers.
If to your eyes never Always wear gloves when any of the above symptoms appear, operate your power tool handling the machine and seek medical advice immediately. Unless wearing goggles or metal blades.
Heavy-duty, properly fitted protective nonslip gloves improve!Warning! Glasses with adequate top your grip and help to The ignition system of the STIHL unit and side protection complying with ANSI protect your hands. Produces an electromagnetic field of a Z 87.1 (or your applicable national very low intensity. This field may standard). To reduce the risk of injury to Clothing must be sturdy interfere with some pacemakers. To your face STIHL recommends that you and snug-fitting, but allow reduce the risk of serious or fatal injury, also wear a face shield or face screen complete freedom of persons with a pacemaker should over your goggles or protective glasses. Wear long consult their physician and the pants made of heavy pacemaker manufacturer before material to help protect operating this tool.
Do not wear shorts, sandals or go barefoot. 2015 honda trx420tm owners manual. FS 55 5. English / USA Avoid loose-fitting jackets, THE USE OF THE POWER TOOL scarfs, neckties, jewelry,!Warning! Flared or cuffed pants, Never modify this power tool in any way. Transporting the Power Tool unconfined long hair or Only attachments supplied by STIHL!Warning! Anything that could and expressly approved by STIHL for To reduce the risk of injury from loss of become caught on use with the specific STIHL model are branches, brush or the moving parts of control and blade or line contact, never authorized. Although certain carry or transport your power tool with the unit.
Secure hair so it is above unauthorized attachments are useable the cutting attachment moving. Shoulder level. With STIHL power tools, their use may, in fact, be extremely dangerous. For the Good footing is very cutting attachments authorized by important.
Wear sturdy STIHL for your unit, see the chapter boots with nonslip soles. “Approved Combinations of Cutting Steel-toed safety boots Attachment, Deflector, Handle and are recommended. Harness“ in the instruction manual or the Wear an approved safety STIHL “Power Tools and Accessories“ hard hat to reduce the risk catalog. Of injury to your head If this tool is subjected to unusually high when there is a danger of loads for which it was not designed (e.g. Head injuries.
Heavy impact or a fall), always check that it is in good condition before continuing work. Check in particular that the fuel system is tight (no leaks) and THE POWER TOOL that the controls and safety devices are 389BA019 KN For illustrations and definitions of the working properly. Do not continue power tool parts see the chapter on operating this machine if it is damaged. “Main Parts and Controls.” In case of doubt, have it checked by your STIHL servicing dealer. It may be carried only in a horizontal position.
Grip the shaft in a manner that the machine is balanced horizontally. Keep the hot muffler away from your body and the cutting attachment behind you. 6 FS 55. English / USA Fueling Instructions Different models may be equipped with!Warning! Different fuel caps. Always shut off the engine and make!Warning!
Cap with grip sure the cutting attachment has stopped Fuel your power tool in well-ventilated before putting a trimmer/brushcutter areas, outdoors. Always shut off the!Warning!
When transporting it in a vehicle, engine and allow it to cool before In order to reduce the risk of fuel spillage properly secure it to prevent turnover, refueling. Gasoline vapor pressure may and fire from an improperly tightened fuel spillage and damage to the unit. Build up inside the fuel tank depending fuel cap, correctly position and tighten STIHL recommends that you keep metal on the fuel used, the weather conditions the fuel cap in the fuel tank opening. Blades covered with the transport guard and the tank venting system. (optional accessory).
To do this with this STIHL In order to reduce the risk of burns and cap, raise the grip on the other personal injury from escaping gas top of the cap until it is vapor, remove the fuel filler cap on your Fuel upright at a 90° angle. Power tool carefully so as to allow any Insert the cap in the fuel Your STIHL power tool uses an oil- pressure build-up in the tank to release tank opening with the gasoline mixture for fuel (see the chap- slowly. Never remove the fuel filler cap triangular marks on the grip of the cap ter on “Fuel” of your instruction manual). While the engine is running. And on the fuel tank opening lining up.!Warning! Select bare ground for fueling and move Using the grip, turn the cap firmly at least 10 feet (3 m) from the fueling clockwise as far as it will go (approx. A Gasoline is an extremely quarter turn).
Spot before starting the engine. Wipe off flammable fuel. If spilled any spilled fuel before starting your and ignited by a spark or Fold the grip flush with the machine. Other ignition source, it top of the cap. If the grip can cause fire and serious!Warning! Does not lie completely burn injury or property flush with the cap and the Check for fuel leakage while refueling detent on the grip does damage. Use extreme caution when and during operation.
If fuel leakage is not fit in the handling gasoline or fuel mix. Do not found, do not start or run the engine until corresponding recess in the filler neck, smoke or bring any fire or flame near the the leak is fixed and any spilled fuel has the cap is not properly seated and fuel or the power tool. Note that been wiped away. Take care not to get tightened and you must repeat the combustible fuel vapor may escape from fuel on your clothing. If this happens, above steps. The fuel system.
Change your clothing immediately. FS 55 7. English / USA Screw cap!Warning!!Warning!!Warning! Do not attach any cutting attachment to Check that the spark plug boot is Unit vibrations can cause a unit without proper installation of all securely mounted on the spark plug – a an improperly tightened required parts. Failure to use the proper loose boot may cause arcing that could fuel filler cap to loosen or parts may cause the blade or head to fly ignite combustible fumes and cause a come off and spill off and seriously injure the operator or fire. Quantities of fuel.
In order bystanders. To reduce the risk of fuel! Spillage and fire, tighten the fuel filler cap!Warning! To reduce the risk by hand as securely as possible. The cutting attachment must be properly of personal injury tightened and in safe operating to the operator condition.
Inspect for loose parts (nuts, from blade or line screws, etc.) and for cracked or contact and damaged heads or cracked, bent, thrown objects, make sure your unit is Before Starting warped or damaged blades. Replace equipped with the proper deflector,!Warning!
Damaged heads or blades before using handle and harness for the type of the power tool. Always keep blades cutting attachment being used (see Always check your power tool for proper sharp. Chart in the chapter on quot;Approved condition and operation before starting, Combinations of Cutting Attachment, particularly the throttle trigger, throttle Keep the handles clean and dry at all Deflector, Handle and Harnessquot;). Trigger interlock, stop switch, cutting times; it is particularly important to keep attachment, deflector and harness. The them free of moisture, pitch, oil, grease As can be seen in that chart, some throttle trigger must move freely and or resin in order for you to maintain a firm cutting attachments may require you to always spring back to the idle position.
Grip and properly control your power change your deflector, handle and/or Never attempt to modify the controls or tool. Safety devices. Never use a power tool Keep the deflector (and the attached that is damaged or not properly skirt where appropriate) adjusted maintained. Properly at all times (see chapters on quot;Mounting the Deflectorquot; and quot;Mounting the Cutting Attachmentsquot; of your instruction manual). 8 FS 55.
English / USA. Starting With the engine running only at idle, A attach the power tool to the spring hook Start the engine at least 10 feet of your harness (see appropriate (3 meters) from the fueling spot, chapter of this manual). Outdoors only. For specific starting instructions, see the!Warning!
000BA006 KN appropriate section of your manual. Your power tool is a one-person Place the power tool on firm ground or machine. Do not allow other persons in other solid surface in an open area. The general work area, even when Maintain good balance and secure starting.
Arrows on the deflector (A) (as seen footing. From the underside) show the correct!Warning! Direction of rotation of the cutting!Warning! To reduce the risk of injury from loss of attachment. When viewed from above, To reduce the risk of injury from blade or control, do not attempt to “drop start” however, the cutting attachment rotates line contact, be absolutely sure that the your power tool.
Cutting attachment is clear of you and all other obstructions and objects, including!Warning! Adjust carrying harness and hand grip to the ground, because when the engine When you pull the starter grip, do not suit your size before starting work. The starts at starting-throttle, engine speed wrap the starter rope around your hand. Machine should be properly balanced as will be fast enough for the clutch to Do not let the grip snap back, but guide specified in your instruction manual for engage and move the cutting the starter rope to rewind it properly. Proper control and less fatigue in attachment. Failure to follow this procedure may operation.
To be better prepared in case of an emergency, practice releasing the Once the engine has started, result in injury to your hand or fingers unit from the harness as quickly as immediately blip the throttle trigger, and may damage the starter possible. Which should release the starting throttle mechanism. And allow the engine to slow down to idle. FS 55 9. English / USA Important Adjustments During Operation!Warning!!Warning! Holding and controlling the power Never attempt to operate tool To reduce the risk of personal injury from your power tool with one loss of control or contact with the hand. Loss of control of running cutting attachment, do not use the power tool resulting in your unit with incorrect idle adjustment.
Serious or fatal injury may At correct idle speed, the cutting result. To reduce the risk attachment should not move.
For of cut injuries, keep hands and feet away 002BA055 KN directions on how to adjust idle speed, from the cutting attachment. Never see the appropriate section of your touch a moving cutting attachment with instruction manual. Your hand or any other part of your body. If you cannot set the correct idle speed, have your STIHL dealer check your power tool and make proper!Warning!
Adjustments and repairs. 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 002BA054 KN 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 Always hold the unit firmly with both uneven ground. Hands on the handles while you are working. Wrap your fingers and thumbs!Warning around the handles. 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. 10 FS 55.
English / USA Working conditions Operating instructions!Warning! Operate and start your power tool only Inhalation of certain dusts, especially!Warning! Outdoors in a well ventilated area. Organic dusts such as mold or pollen, Do not operate your power tool using the Operate it under good visibility and can cause susceptible persons to have starting throttle lock, as you do not have daylight conditions only. Work carefully. An allergic or asthmatic reaction.
Control of the engine speed.!Warning! Substantial or repeated inhalation of In the event of an emergency, shut off dust and other airborne contaminants, in As soon as the engine is the engine immediately – move the slide particular those with a smaller particle running, this product control / stop switch to 0 or STOP. Size, may cause respiratory or other generates toxic exhaust fumes containing illnesses. Control dust at the source!Warning! Where possible. Use good work chemicals such as The cutting attachment practices, such as operating the unit so unburned hydrocarbons continues to rotate for a that the wind or operating process (including benzene) and carbon short period after the directs any dust raised by the power tool monoxide that are known to cause throttle trigger is released away from the operator. Follow the respiratory problems, cancer, birth (flywheel effect).
Recommendations of EPA/OSHA/ defects, or other reproductive harm. Some of the gases (e.g. Carbon NIOSH and occupational and trade!Warning! Associations with respect to dust monoxide) may be colorless and The rotating cutting attachment may (“particulate matter”).
When the odorless. To reduce the risk of serious or fling foreign objects directly or by inhalation of dust cannot be substantially fatal injury/illness from inhaling toxic ricochet a great distance. Controlled, i.e., kept at or near the fumes, never run the machine indoors or ambient (background) level, the in poorly ventilated locations. Operator and any bystanders should!Warning!
Wear a respirator approved by NIOSH/ MSHA for the type of dust encountered. 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. FS 55 11. English / USA 15m (50ft)!Warning!!Warning! This trimmer/brushcutter is normally to A loose blade or head may vibrate, be used at ground level with the cutting crack, break or come off the trimmer/ attachment parallel to the ground.
Use of brushcutter, which may result in serious a trimmer/brushcutter above ground or fatal injury. Make sure that the cutting level or with the cutting attachment attachment is properly tightened. Use To reduce the risk of eye and other injury perpendicular to the ground may the wrench supplied or one of sufficient always wear proper eye protection (see increase the risk of injury, since the length to obtain the proper torque. If the the chapter on “Proper Clothing“) and cutting attachment is more fully exposed blade or head loosens after being ensure that bystanders are at least 50 and the power tool may be more difficult properly tightened, stop work feet (15 m) away. To reduce the risk of to control. The retaining nut may be damage to property, also maintain this worn or damaged and should be distance from such objects as vehicles!Warning! If the blade or head continues or windows.
Any coworkers who must be During cutting, check the tightness and to loosen, see your STIHL dealer. Never in the restricted area should also wear the condition of the cutting attachment at use a trimmer/brushcutter with a loose goggles or protective glasses. Stop the regular short intervals with the engine cutting attachment. Engine immediately if you are and attachment stopped. If the behavior approached.
Of the attachment changes during use,!Warning! Stop the engine immediately, wait until Replace a cracked, damaged or worn-!Warning!
The cutting attachment stops, and check out head or a cracked, bent, warped, Before you start work, the nut securing the attachment for damaged, dull or worn out blade examine the area for tightness and the blade or head for immediately, even if damage is limited to stones, glass, fence wire, cracks, wear and damage. Superficial cracks. Such attachments metal, trash or other solid may shatter at high speed and cause objects. The cutting serious or fatal injury. Attachment could throw objects of this kind. 12 FS 55. English / USA!Warning!!Warning!Warning!
When using rigid blades, avoid cutting The gearbox becomes hot during Never modify your muffler. The muffler close to fences, sides of buildings, tree operation. To reduce the risk of burn could be damaged and cause an trunks, stones or other such objects that injury, do not touch the gear housing increase in heat radiation or sparks, could cause the power tool to kick out or when it is hot. Thereby increasing the risk of fire and could cause damage to the blade. You may also permanently STIHL recommends use of the nylon line!Warning! Damage the engine. Have your muffler heads for such jobs.
In addition, be alert The muffler and other parts of the engine serviced and repaired by your STIHL to an increased possibility of ricochets in (e.g. Fins of the cylinder, spark plug) servicing dealer only. Such situations. Become hot during operation and remain hot for a while after stopping the engine.!Warning! To reduce risk of burns do not touch the Catalytic converter If the head, blade or deflector becomes muffler and other parts while they are clogged or stuck, always shut off the hot.!Warning! Engine and make sure the cutting Some STIHL power tools attachment has stopped before!Warning! Are equipped with a cleaning.
Grass, weeds, etc. Should be To reduce the risk of fire and burn injury, catalytic converter, which cleaned off the blade or from around the keep the area around the muffler clean. Is designed to reduce the head at regular intervals. Remove excess lubricant and all debris exhaust emissions of the such as pine needles, branches or engine by a chemical!Warning! Let the engine cool down sitting process in the muffler. Due to this To reduce the risk of unintentional on concrete, metal, bare ground or solid process, the muffler does not cool down rotation of the cutting attachment and wood away from any combustible as rapidly as conventional mufflers when injury, always shut off the engine and substances. The engine returns to idle or is shut off.
Remove the spark plug boot before To reduce the risk of fire and burn replacing the cutting attachment. To injuries, the following specific safety reduce the risk of injury, always shut off precautions must be observed. The engine before adjusting the length of the nylon line on manually adjustable mowing heads. FS 55 13. English / USA USING THE CUTTING!Warning! ATTACHMENTS Since a muffler with a catalytic converter For an illustration of the various cutting cools down less rapidly than conven- attachments and instructions on proper tional mufflers, always set your power mounting see the chapter on quot;Mounting tool down in the upright position and the Cutting Attachmentsquot; in your never locate it where the muffler is near instruction manual.
Dry brush, grass, wood chips or other combustible materials while it is still hot.!Warning!!Warning! To reduce the risk of severe or fatal injury from blade contact and/or loss of An improperly mounted or damaged control, never attempt to use a metal cylinder housing or a damaged/ blade on an FS model for which it is not deformed muffler shell may interfere authorized. With the cooling process of the catalytic converter. To reduce the risk of fire or 000BA015 KN burn injury, do not continue work with a Using the Mowing Heads damaged or improperly mounted cylinder housing or a damaged/ Do not use with mowing line longer than deformed muffler shell. The intended length. With a properly mounted deflector, the built-in line- Mowing heads are to be used only on Your catalytic converter is furnished with limiting blade will automatically adjust trimmer/brushcutters equipped with a screens designed to reduce the risk of the line to its proper length.
Line-limiting blade in the deflector in fire from the emission of hot particles. Order to keep the line at the proper Due to the heat from the catalytic Using the unit with an overly long nylon length (see quot;Parts and Controlsquot; chapter reaction, these screens will normally cutting line increases the load on the in your instruction manual).
Stay clean and need no service or engine and reduces its operating speed. If you experience loss of This causes the clutch to slip If the lawn edges are planted with trees performance and you suspect a clogged continuously and results in overheating or bordered by a fence etc., it is best to screen, have your muffler maintained by and damage to important components use a nylon line head. It achieves a a STIHL servicing dealer. Clutch, polymer housing quot;softerquot; cut with less risk of damaging components). Such damage could, tree bark etc. Than polymer blades. Among other things, cause the cutting attachment to rotate at idle.
14 FS 55. English / USA However, the polymer-bladed STIHL STIHL PolyCut mowing head STIHL FixCut mowing head PolyCut produces a better cut if there Uses pre-cut lengths of nylon line. Are no plants along the edge of the lawn. Sharpening is not necessary, and worn Observe wear indicators. Polymer blades are easily replaced.!Warning! 002BA177 KN 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 Uses either nylon lines or nonrigid, the operator or bystanders. Pivoting polymer blades.
STIHL SuperCut mowing head!Warning! Do not continue using the mowing head Fresh line is advanced automatically. Three rectangular wear limit marks are if the raised moldings (1) on the base are Frayed line is replaced by a simple applied to the base (periphery) of the missing or worn – see right illustration adjustment (see instruction sheet PolyCut.
To reduce the risk of serious above. The mowing head may otherwise supplied with mowing head).
Injury from breakage of the head or shatter and flying objects could result in STIHL TrimCut mowing head blades, the PolyCut must not be used injury to the operator or bystanders. When it has worn as far as one of these Install a new mowing head. Frayed line is replaced by a simple adjustment (see instruction sheet marks.
Stihl String Trimmer Repair Manual Fs 55 R
It is important to follow the supplied with mowing head). Maintenance instructions supplied with the head. STIHL AUTOCUT mowing head Nylon cutting cord advances automatically when tapped against the ground (TapAction). FS 55 15. English / USA Risk of Kickout (Blade Thrust) Using the Grass Cutting Blade The 4-tooth grass cutting blade is with All Rigid Cutting Blades 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 002BA135 KN recommended for cutting fern or reed. Both types of grass cutting blade have to be resharpened when all cutting edges are dull.!Warning!
Kickout (blade thrust) is the sudden and uncontrolled motion towards the operator's right or rear that can occur 000BA020 KN when the shaded area (especially 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 counterclockwise rotation of the blade All kinds of grass and weeds can be may be stopped or slowed, and the easily cut with the grass cutting blade. Cutting attachment may be thrown to the The power tool is swept in an arc similar right or to the rear. This kickout (blade thrust) may cause!Warning! Loss of control of the power tool and may To reduce the risk of serious or fatal result in serious or fatal injury to the injury from blade breakage, never operator or bystanders.
To reduce the attempt to use this blade to cut woody risk of injury, extreme caution should be materials. Used when cutting with the shaded area of any rigid blade. 16 FS 55. English / USA MAINTENANCE, REPAIR AND Wear gloves when handling or STORING performing maintenance on blades.!Warning! Do not operate your power tool if the Maintenance, replacement, or repair!Warning! Muffler is damaged, missing or modified. Of the emission control devices and Use the specified spark plug, and make An improperly maintained muffler will systems may be performed by any sure it and the ignition lead are always increase the risk of fire and hearing loss.
Nonroad engine repair establishment clean and in good condition. Always If your muffler was equipped with a or individual.
However, if you make a press spark plug boot snugly onto spark spark-arresting screen to reduce the risk warranty claim for a component plug terminal of the proper size. (Note: If of fire, never operate your power tool if which has not been serviced or terminal has detachable SAE adapter the screen is missing or damaged. Maintained properly or if nut, it must be securely attached.) A Remember that the risk of forest fires is nonapproved replacement parts were loose connection between the spark greater in hot or dry weather. Used, STIHL may deny coverage. Plug and the ignition wire connector in!Warning! The boot may create arcing that could!Warning!
Ignite combustible fumes and cause a Never repair damaged cutting attach- Use only identical STIHL replacement fire. Ments by welding, straightening or parts for maintenance and repair. Use of modifying the shape. This may cause non-STIHL parts may cause serious or!Warning! Parts of the cutting attachment to come fatal injury. Never test the ignition system with the off and result in serious or fatal injuries. Strictly follow the maintenance and spark plug boot removed from the spark Keep blades sharp.
Tighten all nuts, repair instructions in the appropriate plug or with a removed spark plug, since bolts and screws, except the carburetor sections of your instruction manual. Uncontained sparking may cause a fire. Adjustment screws, after each use.!Warning!
Stihl String Trimmer Repair Manual Fs55r
Store the power tool in a dry and high or Always stop the engine and make sure locked location out of reach of children. That the cutting attachment is stopped Before storing for longer than a few before doing any maintenance or repair days, always empty the fuel tank. See work or cleaning the power tool. Do not chapter quot;Storing the Machinequot; in the attempt any maintenance or repair work instruction manual. Not described in your instruction manual. Have such work performed by your STIHL servicing dealer only. FS 55 17.
English / USA Approved Combinations of Mowing Tool, Deflector, Handle and Harness Mowing tools Harnesses Warning! 1 STIHL SuperCut 20-2 17 Shoulder strap may be used To reduce the risk of injury from 2 STIHL AutoCut C 25-2 18 Shoulder strap must be used thrown objects and blade contact, never operate your unit without the 3 STIHL AutoCut 25-2 19 Full harnesss may be used proper deflector for the mowing 4 STIHL TrimCut 30-2 attachment being used. To reduce the 5 STIHL PolyCut 20-3 Equipment risk of injury from loss of control and / or contact with the mowing tool, 6 STIHL FixCut 25-3 The complete unit includes: make sure your unit is equipped with 7 Grass cutting blade 230-4 a proper handle and harness for the - Mowing tool 8 Grass cutting blade 230-8 - Deflector type of mowing attachment beeing - Handle used. Harness (bike unit only) Deflectors 9 Deflector for mowing heads Warning!
Select the correct combination from 10 Deflector for all mowing tools the table according to the mowing Stihl brushcutters with a loop handle with tool you intend to use. Read the table without barrier bar may be used only horizontally from left to right.
Other with the above mentioned mowing 11 Skirt and blade combinations, e.g. Reading the table head with nylon line or plastic blades. 12 Deflector for all mowing tools Other plastic or metal mowing tool without skirt and blade diagonally, are not permitted. May only be used on brushcutters with a bike-handle or loop-handle with barrier bar in order to reduce the Handles risk of personal injury through 13 Loop handle contact with the mowing tool.