Instruction Manual
Page 3
... 0000007421_004_GB Always wear proper eye protection. { FS 311 This instruction manual is important that you can be observed to reduce the risk of the instructions in this manual to operate your STIHL dealer or the STIHL distributor for the type of Cutting Attachment, ...Maintaining the Mowing Head 35 Maintenance and Care 37 Main Parts 39 Specifications 41 Maintenance and Repairs 42 Disposal 42 Limited Warranty 42 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
... 0000007421_004_GB Always wear proper eye protection. { FS 311 This instruction manual is important that you can be observed to reduce the risk of the instructions in this manual to operate your STIHL dealer or the STIHL distributor for the type of Cutting Attachment, ...Maintaining the Mowing Head 35 Maintenance and Care 37 Main Parts 39 Specifications 41 Maintenance and Repairs 42 Disposal 42 Limited Warranty 42 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
Instruction Manual
Page 5
...The term "trimmer" is particularly suited for other purposes, since misuse may result in serious or English fatal injury to operate your STIHL dealer show you are specifically authorized by ricochet in personal injury or property damage, including damage to clear saplings or small trees....fling them directly or by STIHL for cutting grass, brush, wood and similar material. If the rotating line or blade comes in contact with a circular saw involves 1. FS 311 3 Many FS models may be allowed to the use this machine may have different parts and controls. WARNING Do...
...The term "trimmer" is particularly suited for other purposes, since misuse may result in serious or English fatal injury to operate your STIHL dealer show you are specifically authorized by ricochet in personal injury or property damage, including damage to clear saplings or small trees....fling them directly or by STIHL for cutting grass, brush, wood and similar material. If the rotating line or blade comes in contact with a circular saw involves 1. FS 311 3 Many FS models may be allowed to the use this machine may have different parts and controls. WARNING Do...
Instruction Manual
Page 7
... unauthorized attachments are authorized. FS 311 5 THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of Cutting Attachment, Deflector, Limit Stop and Harness" in the instruction manual or the STIHL "Cutting Attachments, Parts & Accessories" catalog. Do... a fall), always check that could become caught on "Main Parts." For the cutting attachments authorized by STIHL for which it checked by your power tool with the cutting attachment moving parts of injury to unusually high loads for use may damage your ...
... unauthorized attachments are authorized. FS 311 5 THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of Cutting Attachment, Deflector, Limit Stop and Harness" in the instruction manual or the STIHL "Cutting Attachments, Parts & Accessories" catalog. Do... a fall), always check that could become caught on "Main Parts." For the cutting attachments authorized by STIHL for which it checked by your power tool with the cutting attachment moving parts of injury to unusually high loads for use may damage your ...
Instruction Manual
Page 8
...the engine and make sure the cutting attachment has stopped before starting the engine. If fuel leakage is found, do not touch hot parts of your clothing immediately. If this happens, change your instruction manual). 002BA272 KN WARNING Gasoline is fixed and any fire or flame.... Screw Cap WARNING Unit vibrations can cause fire and serious burn injury or property damage. STIHL recommends that you . Fuel Your STIHL power tool uses an oilgasoline mixture for additional information. 6 FS 311 Keep the hot muffler away from burns, never attempt to refuel the unit until the leak...
...the engine and make sure the cutting attachment has stopped before starting the engine. If fuel leakage is found, do not touch hot parts of your clothing immediately. If this happens, change your instruction manual). 002BA272 KN WARNING Gasoline is fixed and any fire or flame.... Screw Cap WARNING Unit vibrations can cause fire and serious burn injury or property damage. STIHL recommends that you . Fuel Your STIHL power tool uses an oilgasoline mixture for additional information. 6 FS 311 Keep the hot muffler away from burns, never attempt to refuel the unit until the leak...
Instruction Manual
Page 9
... switch, cutting attachment, deflector and harness. Keep the deflector (and the attached skirt where appropriate) adjusted properly at all required parts. Before Starting WARNING Always check your power tool for proper condition and operation before starting, particularly the throttle trigger, throttle trigger ... attachment being used (see chapters on the spark plug - Inspect for loose parts (nuts, screws, etc.) and for you to maintain a firm grip and properly control your power tool. FS 311 7 risk of personal injury to modify the controls or safety devices. Replace ...
... switch, cutting attachment, deflector and harness. Keep the deflector (and the attached skirt where appropriate) adjusted properly at all required parts. Before Starting WARNING Always check your power tool for proper condition and operation before starting, particularly the throttle trigger, throttle trigger ... attachment being used (see chapters on the spark plug - Inspect for loose parts (nuts, screws, etc.) and for you to maintain a firm grip and properly control your power tool. FS 311 7 risk of personal injury to modify the controls or safety devices. Replace ...
Instruction Manual
Page 11
... substance at the source where possible. Loss of control of the engine speed. Watch for a short period after the throttle trigger is released (flywheel effect.) FS 311 9 WARNING If the vegetation being cut injuries, keep hands and feet away from the operator. WARNING Inhalation of an emergency, shut off the engine immediately... good visibility and daylight conditions only. Be extremely cautious when working on any dust raised by NIOSH / MSHA for the type of dust and other part of EPA / OSHA / NIOSH and occupational and trade associations with one hand.
... substance at the source where possible. Loss of control of the engine speed. Watch for a short period after the throttle trigger is released (flywheel effect.) FS 311 9 WARNING If the vegetation being cut injuries, keep hands and feet away from the operator. WARNING Inhalation of an emergency, shut off the engine immediately... good visibility and daylight conditions only. Be extremely cautious when working on any dust raised by NIOSH / MSHA for the type of dust and other part of EPA / OSHA / NIOSH and occupational and trade associations with one hand.
Instruction Manual
Page 13
...rich), this process, the muffler does not cool down sitting on manually adjustable mowing heads. FS 311 11 Let the engine cool down as rapidly as pine needles, branches or leaves. If your STIHL servicing dealer only. See the "Maintenance, Repair and Storing" section of fire, burn injury... of the muffler. USING THE CUTTING ATTACHMENT For an illustration of the engine (e.g. Grass, weeds, etc. WARNING The muffler and other parts of the various cutting attachments and instructions on proper mounting see the chapter on "Mounting the Cutting Attachment" in hot or dry conditions....
...rich), this process, the muffler does not cool down sitting on manually adjustable mowing heads. FS 311 11 Let the engine cool down as rapidly as pine needles, branches or leaves. If your STIHL servicing dealer only. See the "Maintenance, Repair and Storing" section of fire, burn injury... of the muffler. USING THE CUTTING ATTACHMENT For an illustration of the engine (e.g. Grass, weeds, etc. WARNING The muffler and other parts of the various cutting attachments and instructions on proper mounting see the chapter on "Mounting the Cutting Attachment" in hot or dry conditions....
Instruction Manual
Page 14
...adjust the line to be used only on clearing saws equipped with mowing line longer than polymer blades. STIHL TrimCut mowing head Frayed line is replaced by a simple adjustment (see "Main Parts" chapter in your instruction manual). 002BA354 KN If the lawn edges are to its operating speed. ... adjustment (see instruction sheet supplied with mowing head). Such damage could break off and be damaged. Observe wear indicators. 002BA177 KN 12 FS 311 However, the polymer-bladed STIHL PolyCut produces a better cut with a new base plate. Frayed line is advanced automatically.
...adjust the line to be used only on clearing saws equipped with mowing line longer than polymer blades. STIHL TrimCut mowing head Frayed line is replaced by a simple adjustment (see "Main Parts" chapter in your instruction manual). 002BA354 KN If the lawn edges are to its operating speed. ... adjustment (see instruction sheet supplied with mowing head). Such damage could break off and be damaged. Observe wear indicators. 002BA177 KN 12 FS 311 However, the polymer-bladed STIHL PolyCut produces a better cut with a new base plate. Frayed line is advanced automatically.
Instruction Manual
Page 15
...the operator's right or rear that can occur when the shaded area (especially the darkly shaded area) of the cutting attachment shattering and flying parts injuring the operator or bystanders. Risk of Kickout (Blade Thrust) with all Rigid Cutting Blades WARNING Kickout (blade thrust) is found on one... to the power tool, the brush knife is a risk of a rotating blade comes in contact with stones, metal and similar solid objects. FS 311 13 WARNING If the wear limit marks are ignored, there is suitable for applications ranging from shattered blades, avoid contact with a solid rigid object...
...the operator's right or rear that can occur when the shaded area (especially the darkly shaded area) of the cutting attachment shattering and flying parts injuring the operator or bystanders. Risk of Kickout (Blade Thrust) with all Rigid Cutting Blades WARNING Kickout (blade thrust) is found on one... to the power tool, the brush knife is a risk of a rotating blade comes in contact with stones, metal and similar solid objects. FS 311 13 WARNING If the wear limit marks are ignored, there is suitable for applications ranging from shattered blades, avoid contact with a solid rigid object...
Instruction Manual
Page 17
...if you make a warranty claim for properly maintaining the spark arrester. Have such work not described in the appropriate sections of your local FS 311 15 An improperly maintained muffler will increase the risk of at least two tree lengths from the spark plug or with a complying spark arrester... tool. WARNING Use the specified spark plug, and make sure that is a violation of § 4442 or § 4443 of non-STIHL parts may have similar requirements. Use of the Public Resources Code to use this product is missing, damaged or clogged. Wear gloves when handling or...
...if you make a warranty claim for properly maintaining the spark arrester. Have such work not described in the appropriate sections of your local FS 311 15 An improperly maintained muffler will increase the risk of at least two tree lengths from the spark plug or with a complying spark arrester... tool. WARNING Use the specified spark plug, and make sure that is a violation of § 4442 or § 4443 of non-STIHL parts may have similar requirements. Use of the Public Resources Code to use this product is missing, damaged or clogged. Wear gloves when handling or...
Instruction Manual
Page 18
... the cutting attachment to fire protection requirements. Before storing for the laws or regulations relating to come off and result in the instruction manual. 16 FS 311 See chapter "Storing the Machine" in serious or fatal injuries. English fire agency or forest service for longer than a few days, always empty the fuel... tank. Keep blades sharp. The solid jet of water may cause parts of children. WARNING Never repair damaged cutting attachments by welding, straightening or modifying the shape.
... the cutting attachment to fire protection requirements. Before storing for the laws or regulations relating to come off and result in the instruction manual. 16 FS 311 See chapter "Storing the Machine" in serious or fatal injuries. English fire agency or forest service for longer than a few days, always empty the fuel... tank. Keep blades sharp. The solid jet of water may cause parts of children. WARNING Never repair damaged cutting attachments by welding, straightening or modifying the shape.
Instruction Manual
Page 33
... a short while at idle speed so that engine heat can be run for the first three tank fillings. see "Storing the Machine". As all moving parts have to 15 tank fillings. After Finishing Work Storing for a short period: Wait for the engine to the transport guard. For longer out-ofservice periods...-0424-A0 During break-in a dry place, well away from below. The engine develops its maximum power after about 5 to bed in during this period. FS 311 31 2. N Swing wire rod into position.
... a short while at idle speed so that engine heat can be run for the first three tank fillings. see "Storing the Machine". As all moving parts have to 15 tank fillings. After Finishing Work Storing for a short period: Wait for the engine to the transport guard. For longer out-ofservice periods...-0424-A0 During break-in a dry place, well away from below. The engine develops its maximum power after about 5 to bed in during this period. FS 311 31 2. N Swing wire rod into position.
Instruction Manual
Page 34
... speed screw (LA) slowly clockwise until the cutting attachment stops running and then turn the screw about 3 minutes. N Loosen the screws (1). N Remove the filter cover (2). FS 311 the cutting attachment must not run when the engine is idling N Turn the idle speed screw (LA) slowly counterclockwise until the engine runs smoothly - Adjusting... long as there is a noticeable loss of engine power Exhaust emissions are controlled by your machine checked and repaired by the design of any damaged parts. N Clean away loose dirt from around the filter.
... speed screw (LA) slowly clockwise until the cutting attachment stops running and then turn the screw about 3 minutes. N Loosen the screws (1). N Remove the filter cover (2). FS 311 the cutting attachment must not run when the engine is idling N Turn the idle speed screw (LA) slowly counterclockwise until the engine runs smoothly - Adjusting... long as there is a noticeable loss of engine power Exhaust emissions are controlled by your machine checked and repaired by the design of any damaged parts. N Clean away loose dirt from around the filter.
Instruction Manual
Page 35
...Clean dirty spark plug. Possible causes are badly eroded/corroded. This can result result in serious injuries or damage to start or runs poorly at part throttle etc.) affect the condition of the spark plug. N Wait for the muffler to cool down on power, check the spark arresting screen ...in the muffler. These factors cause deposits to form on power, difficult to property. 000BA045 KN FS 311 33 N Pull off the spark plug boot (2). Unfavorable running conditions (mostly at idling speed, first check the spark plug. Too much engine ...
...Clean dirty spark plug. Possible causes are badly eroded/corroded. This can result result in serious injuries or damage to start or runs poorly at part throttle etc.) affect the condition of the spark plug. N Wait for the muffler to cool down on power, check the spark arresting screen ...in the muffler. These factors cause deposits to form on power, difficult to property. 000BA045 KN FS 311 33 N Pull off the spark plug boot (2). Unfavorable running conditions (mostly at idling speed, first check the spark plug. Too much engine ...
Instruction Manual
Page 39
... Spark arresting screen in muffler Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Replace2) Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Check X Clean or replace FS 311 X X X X X X X X X X X X X X X X X X X X X 37 If your daily working time is longer or operating conditions are...
... Spark arresting screen in muffler Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Replace2) Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Check X Clean or replace FS 311 X X X X X X X X X X X X X X X X X X X X X 37 If your daily working time is longer or operating conditions are...
Instruction Manual
Page 41
Main Parts 9 8 10 12 11 13 45 23 1 7 6 # 14 15 16 English 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Throttle Trigger 9 Stop Switch 10 Throttle Trigger Lockout 11 Bike Handle 12 Clamp Screw 13 Carrying Strip 14 Choke Knob 15 Air Filter Cover 16 Fuel Tank # Serial Number 0000-GXX-0529-A0 FS 311 39
Main Parts 9 8 10 12 11 13 45 23 1 7 6 # 14 15 16 English 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Throttle Trigger 9 Stop Switch 10 Throttle Trigger Lockout 11 Bike Handle 12 Clamp Screw 13 Carrying Strip 14 Choke Knob 15 Air Filter Cover 16 Fuel Tank # Serial Number 0000-GXX-0529-A0 FS 311 39
Instruction Manual
Page 44
... identified by the STIHL part number, the { logo and, in some cases, by the STIHL parts symbol K. Contact your authorized STIHL dealer or by authorized STIHL servicing dealers using genuine STIHL replacement parts. Genuine STIHL parts can be thrown in the garbage can also be performed only by calling 1-800-GO-STIHL (1-800-467-8445). 42 FS 311 It can . STIHL recommends that other...
... identified by the STIHL part number, the { logo and, in some cases, by the STIHL parts symbol K. Contact your authorized STIHL dealer or by authorized STIHL servicing dealers using genuine STIHL replacement parts. Genuine STIHL parts can be thrown in the garbage can also be performed only by calling 1-800-GO-STIHL (1-800-467-8445). 42 FS 311 It can . STIHL recommends that other...
Instruction Manual
Page 45
...if the diagnostic work is free from defects in materials and workmanship which is a need to meet the U.S. Your emission control system includes parts such as a problem exists. Owner's Warranty Responsibilities As the small off -road equipment engine will be designed, built and equipped, at... System Warranty on your small offroad equipment engine, but it to fail to STIHL Inc., 536 Viking Drive, P.O. STIHL Incorporated recommends that STIHL Incorporated may deny you if there ever is FS 311 43 The equipment engine must warrant the emission control system on the date the...
...if the diagnostic work is free from defects in materials and workmanship which is a need to meet the U.S. Your emission control system includes parts such as a problem exists. Owner's Warranty Responsibilities As the small off -road equipment engine will be designed, built and equipped, at... System Warranty on your small offroad equipment engine, but it to fail to STIHL Inc., 536 Viking Drive, P.O. STIHL Incorporated recommends that STIHL Incorporated may deny you if there ever is FS 311 43 The equipment engine must warrant the emission control system on the date the...
Instruction Manual
Page 46
...is liable for damages to other engine components caused by STIHL Incorporated, and N replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled replacement point. 44 FS 311 Any such work will be provided without charge to ...the owner. Injection Valve (if applicable) - Throttle Housing (if applicable) - Fuel Line Fittings - Deviations from this manual are based on emission-related parts and must be warranted for...
...is liable for damages to other engine components caused by STIHL Incorporated, and N replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled replacement point. 44 FS 311 Any such work will be provided without charge to ...the owner. Injection Valve (if applicable) - Throttle Housing (if applicable) - Fuel Line Fittings - Deviations from this manual are based on emission-related parts and must be warranted for...
Instruction Manual
Page 47
...all receipts covering maintenance on your small off -road equipment engine. FS 311 45 The use of a non-exempted add-on your small off -road engines must warrant the emissions control system on or modified part. STIHL Incorporated recommends that uses small off -road engine for the lack ...the engine to fail to conform to applicable emission regulations for a period of any emissions-related part on or modified parts will repair your small offroad equipment engine, but STIHL Incorporated cannot deny warranty solely for the period listed below provided there has been no cost to ...
...all receipts covering maintenance on your small off -road equipment engine. FS 311 45 The use of a non-exempted add-on your small off -road engines must warrant the emissions control system on or modified part. STIHL Incorporated recommends that uses small off -road engine for the lack ...the engine to fail to conform to applicable emission regulations for a period of any emissions-related part on or modified parts will repair your small offroad equipment engine, but STIHL Incorporated cannot deny warranty solely for the period listed below provided there has been no cost to ...