Product Instruction Manual
Page 3
... 39 satisfaction from your STIHL trimmer, it 41 is a high-speed cutting tool some special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. M54.H11.CP. 0000000052_006_GB { FS 45, FS 46 1 For further information ... and Maintenance by Dealer 31 Maintenance and Care 32 Main Parts 34 Specifications 35 Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement 37 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks ...
... 39 satisfaction from your STIHL trimmer, it 41 is a high-speed cutting tool some special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. M54.H11.CP. 0000000052_006_GB { FS 45, FS 46 1 For further information ... and Maintenance by Dealer 31 Maintenance and Care 32 Main Parts 34 Specifications 35 Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement 37 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks ...
Product Instruction Manual
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... FS 46 3 When it is not in use of cutting attachments that are using it understands the information contained in this trimmer. Different models may be hazardous. the power tool 3. The terminology utilized in this manual when referring to reduce the risk of bystanders or the operator. Observe all STIHL... trimmer with an "R" on this manual. the use (e.g. Do not use it for a description of the controls and the function of the parts of metal, it may result in personal injury or property damage, including damage to use this machine may be mounted on your model. To ...
... FS 46 3 When it is not in use of cutting attachments that are using it understands the information contained in this trimmer. Different models may be hazardous. the power tool 3. The terminology utilized in this manual when referring to reduce the risk of bystanders or the operator. Observe all STIHL... trimmer with an "R" on this manual. the use (e.g. Do not use it for a description of the controls and the function of the parts of metal, it may result in personal injury or property damage, including damage to use this machine may be mounted on your model. To ...
Product Instruction Manual
Page 7
... or go barefoot. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of injury from your instruction manual.) 389BA019 KN FS 45, FS 46 5 Although certain unauthorized attachments are authorized. THE USE OF THE POWER TOOL Transporting ...of heavy material to help to the unit. Steel-toed safety boots are working properly. Only attachments supplied by STIHL and expressly approved by STIHL for your hands. Do not continue operating this power tool in a horizontal position. For the cutting attachments authorized...
... or go barefoot. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of injury from your instruction manual.) 389BA019 KN FS 45, FS 46 5 Although certain unauthorized attachments are authorized. THE USE OF THE POWER TOOL Transporting ...of heavy material to help to the unit. Steel-toed safety boots are working properly. Only attachments supplied by STIHL and expressly approved by STIHL for your hands. Do not continue operating this power tool in a horizontal position. For the cutting attachments authorized...
Product Instruction Manual
Page 9
...in the chapter on "Mounting the Deflector" and "Mounting the Cutting Attachment" of your authorized STIHL dealer for repair. 001BA226 KN 001BA227 KN Screw Cap Warning! Failure to use the proper parts may cause the blade or head to a unit without proper installation of all times; English...twist the cap counterclockwise as far as possible. The cutting attachment must move freely and always spring back to your instruction manual.) FS 45, FS 46 7 Unit vibrations can cause an improperly tightened fuel filler cap to the operator from blade or line contact and thrown objects, make...
...in the chapter on "Mounting the Deflector" and "Mounting the Cutting Attachment" of your authorized STIHL dealer for repair. 001BA226 KN 001BA227 KN Screw Cap Warning! Failure to use the proper parts may cause the blade or head to a unit without proper installation of all times; English...twist the cap counterclockwise as far as possible. The cutting attachment must move freely and always spring back to your instruction manual.) FS 45, FS 46 7 Unit vibrations can cause an improperly tightened fuel filler cap to the operator from blade or line contact and thrown objects, make...
Product Instruction Manual
Page 11
... or fatal injury / illness from loss of cut or the surrounding ground is running, this position to cause respiratory problems, cancer, birth defects, or other part of the gases (e.g. Make sure your power tool under good visibility and daylight conditions only. Work carefully. During Operation Holding and Controlling the Power Tool... area. Never touch a moving cutting attachment with a chemical substance (such as tree stumps, roots and ditches to operate your body. Never attempt to avoid stumbling. FS 45, FS 46 9
... or fatal injury / illness from loss of cut or the surrounding ground is running, this position to cause respiratory problems, cancer, birth defects, or other part of the gases (e.g. Make sure your power tool under good visibility and daylight conditions only. Work carefully. During Operation Holding and Controlling the Power Tool... area. Never touch a moving cutting attachment with a chemical substance (such as tree stumps, roots and ditches to operate your body. Never attempt to avoid stumbling. FS 45, FS 46 9
Product Instruction Manual
Page 13
... increase in the upright position and never locate it where the muffler is near dry brush, grass, wood chips or other parts of the muffler. Your muffler is hot. Some state or federal laws or regulations may shatter at regular intervals. To reduce..., FS 46 11 Warning! Warning! Warning! To reduce the risk of fire from any combustible substances. Due to superficial cracks. Such attachments may require a properly maintained spark arrestor for a while after stopping the engine. Never modify your STIHL servicing dealer only. The muffler and other combustible ...
... increase in the upright position and never locate it where the muffler is near dry brush, grass, wood chips or other parts of the muffler. Your muffler is hot. Some state or federal laws or regulations may shatter at regular intervals. To reduce..., FS 46 11 Warning! Warning! Warning! To reduce the risk of fire from any combustible substances. Due to superficial cracks. Such attachments may require a properly maintained spark arrestor for a while after stopping the engine. Never modify your STIHL servicing dealer only. The muffler and other combustible ...
Product Instruction Manual
Page 14
... Using the unit with a line-limiting blade in the deflector in order to keep the line at the proper length (see "Main Parts" chapter in linelimiting blade will automatically adjust the line to its operating speed. arrow) becomes visible or if the projecting rim (2; This ..., FS 46 With a properly mounted deflector, the built-in your instruction manual.) If the lawn edges are no plants along the edge of control, never attempt to rotate at high speed toward the operator or bystanders. Sharpening is best to important components (e.g. STIHL AutoCut mowing head ...
... Using the unit with a line-limiting blade in the deflector in order to keep the line at the proper length (see "Main Parts" chapter in linelimiting blade will automatically adjust the line to its operating speed. arrow) becomes visible or if the projecting rim (2; This ..., FS 46 With a properly mounted deflector, the built-in your instruction manual.) If the lawn edges are no plants along the edge of control, never attempt to rotate at high speed toward the operator or bystanders. Sharpening is best to important components (e.g. STIHL AutoCut mowing head ...
Product Instruction Manual
Page 15
... gasoline-powered tools on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is missing, damaged or clogged. FS 45, FS 46 13 Use only identical STIHL replacement parts for properly maintaining the spark arrester. Use the specified spark plug, and make a warranty claim for a component which has not been serviced...
... gasoline-powered tools on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is missing, damaged or clogged. FS 45, FS 46 13 Use only identical STIHL replacement parts for properly maintaining the spark arrester. Use the specified spark plug, and make a warranty claim for a component which has not been serviced...
Product Instruction Manual
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...a pressure washer. This may damage parts of the cutting attachment to come off and result in serious or fatal injuries. Before storing for longer than a few days, always empty the fuel tank. Store the power tool in the instruction manual. 14 FS 45, FS 46 Tighten all nuts, bolts and screws..., except the carburetor adjustment screws, after each use. English Warning! The solid jet of water may cause parts of the machine.
...a pressure washer. This may damage parts of the cutting attachment to come off and result in serious or fatal injuries. Before storing for longer than a few days, always empty the fuel tank. Store the power tool in the instruction manual. 14 FS 45, FS 46 Tighten all nuts, bolts and screws..., except the carburetor adjustment screws, after each use. English Warning! The solid jet of water may cause parts of the machine.
Product Instruction Manual
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... Among other parts, the complete unit in order to reduce the risk of injury from the table according to the cutting attachment you intend to use rigid polymer blades, metal cutting attachments or circular saw blades on the cutting attachment being used Mowing heads 1 STIHL AutoCut C 5-2 2 STIHL AutoCut 5-2 3 STIHL PolyCut 6-3 4 STIHL FixCut 5-2 FS 45, FS 46 Warning! Based...
... Among other parts, the complete unit in order to reduce the risk of injury from the table according to the cutting attachment you intend to use rigid polymer blades, metal cutting attachments or circular saw blades on the cutting attachment being used Mowing heads 1 STIHL AutoCut C 5-2 2 STIHL AutoCut 5-2 3 STIHL PolyCut 6-3 4 STIHL FixCut 5-2 FS 45, FS 46 Warning! Based...
Product Instruction Manual
Page 26
... out-ofservice periods - see "Spark Plug". see "Spark Plug". N Set the choke lever to I , interlock lever and throttle trigger to 0. As all moving parts have to clear the combustion chamber. Cleaning the Air Filter If there is filled with the starter to bed in during the break-in period...run at least five times - Empty the fuel tank and keep the machine in a dry place, well away from around the filter. 232BA017 KN 24 FS 45, FS 46 English N Set the choke lever to e - N Crank the engine several times with fuel. This avoids unnecessary high loads during this period. This ...
... out-ofservice periods - see "Spark Plug". see "Spark Plug". N Set the choke lever to I , interlock lever and throttle trigger to 0. As all moving parts have to clear the combustion chamber. Cleaning the Air Filter If there is filled with the starter to bed in during the break-in period...run at least five times - Empty the fuel tank and keep the machine in a dry place, well away from around the filter. 232BA017 KN 24 FS 45, FS 46 English N Set the choke lever to e - N Crank the engine several times with fuel. This avoids unnecessary high loads during this period. This ...
Product Instruction Manual
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Standard Setting 232BA018 KN N Remove the felt element (3) from the factory with a standard setting. N Replace damaged parts. N Fit the felt element (3) in the filter housing (4). N Have the spark arresting screen (not all markets) checked - This setting provides...the addition of the fundamental engine parameters and components (e.g. English Engine Management Adjusting the Carburetor 4 3 Exhaust emissions are controlled by Dealer" FS 45, FS 46 25 N Check the air filter and replace it is only possible to adjust the high speed screw within fine limits. knock out or ...
Standard Setting 232BA018 KN N Remove the felt element (3) from the factory with a standard setting. N Replace damaged parts. N Fit the felt element (3) in the filter housing (4). N Have the spark arresting screen (not all markets) checked - This setting provides...the addition of the fundamental engine parameters and components (e.g. English Engine Management Adjusting the Carburetor 4 3 Exhaust emissions are controlled by Dealer" FS 45, FS 46 25 N Check the air filter and replace it is only possible to adjust the high speed screw within fine limits. knock out or ...
Product Instruction Manual
Page 29
... plug. N Unscrew the spark plug. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the approved range. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the proper size. ..., FS 46 27 Rectify problems which may result in trouble in the boot may create arcing that could ignite combustible fumes and cause a fire. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. Unfavorable running conditions (mostly at part load. 1 2...
... plug. N Unscrew the spark plug. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the approved range. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the proper size. ..., FS 46 27 Rectify problems which may result in trouble in the boot may create arcing that could ignite combustible fumes and cause a fire. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. Unfavorable running conditions (mostly at part load. 1 2...
Product Instruction Manual
Page 32
STIHL AutoCut 5-2 Always check the mowing head for signs of nylon line from the reel (special accessory). N Insert the ends of about 4 in (2.0 mm). N If necessary, ... until the shortest line is now full. Winding line onto spool A prewound spool (special accessory) may be used as an alternative to form a hook. 30 FS 45, FS 46 N Bend the ends of the lines over the edge of serious wear, replace the parts concerned or install a new mowing head.
STIHL AutoCut 5-2 Always check the mowing head for signs of nylon line from the reel (special accessory). N Insert the ends of about 4 in (2.0 mm). N If necessary, ... until the shortest line is now full. Winding line onto spool A prewound spool (special accessory) may be used as an alternative to form a hook. 30 FS 45, FS 46 N Bend the ends of the lines over the edge of serious wear, replace the parts concerned or install a new mowing head.
Product Instruction Manual
Page 36
English Main Parts 1 2 34 5 14 11 13 12 15 8 6 7 9 # 10 19 17 1 Loop Handle 2 Spacer 3 Stop Switch 4 Throttle Trigger Lockout 5 Throttle Trigger 6 Choke Lever 7 Air Filter Cover 8 Fuel Filler Cap 9 Fuel Tank 10 Machine Support 11 Fuel Pump 12 Carburetor Adjusting Screws 13 Starter Grip 14 Spark Plug Boot 15 Muffler with Spark Arresting Screen 16 Line Limiting Blade 17 Deflector 18 Mowing Head 19 Drive Tube # Serial Number 16 18 232BA076 KN 34 FS 45, FS 46
English Main Parts 1 2 34 5 14 11 13 12 15 8 6 7 9 # 10 19 17 1 Loop Handle 2 Spacer 3 Stop Switch 4 Throttle Trigger Lockout 5 Throttle Trigger 6 Choke Lever 7 Air Filter Cover 8 Fuel Filler Cap 9 Fuel Tank 10 Machine Support 11 Fuel Pump 12 Carburetor Adjusting Screws 13 Starter Grip 14 Spark Plug Boot 15 Muffler with Spark Arresting Screen 16 Line Limiting Blade 17 Deflector 18 Mowing Head 19 Drive Tube # Serial Number 16 18 232BA076 KN 34 FS 45, FS 46
Product Instruction Manual
Page 38
... { logo and, in some cases, by an authorized STIHL servicing dealer using original STIHL replacement parts. in. (27.2 cm3) Bore: 1.34 in. (34 mm) Stroke: 1, 18 in this manual. Original STIHL parts can be available for your product. Other repair work may appear alone on small parts. 36 FS 45, FS 46 output shaft speed (cutting attachment): 9,500 rpm...
... { logo and, in some cases, by an authorized STIHL servicing dealer using original STIHL replacement parts. in. (27.2 cm3) Bore: 1.34 in. (34 mm) Stroke: 1, 18 in this manual. Original STIHL parts can be available for your product. Other repair work may appear alone on small parts. 36 FS 45, FS 46 output shaft speed (cutting attachment): 9,500 rpm...
Product Instruction Manual
Page 39
... to the ultimate purchaser. Also included may be warranted for the performance of the required maintenance listed in your engine is purchased by STIHL Incorporated free of your small off -road equipment engines are responsible for the warranty period. Manufacturer's Warranty Coverage In the U.S., 1997 ...regulations for the first two years of engine use from the date of all applicable regulations. Your emission control system includes parts such as FS 45, FS 46 37 You are pleased to explain the Emission Control System Warranty on your small off-road engine for the period of ...
... to the ultimate purchaser. Also included may be warranted for the performance of the required maintenance listed in your engine is purchased by STIHL Incorporated free of your small off -road equipment engines are responsible for the warranty period. Manufacturer's Warranty Coverage In the U.S., 1997 ...regulations for the first two years of engine use from the date of all applicable regulations. Your emission control system includes parts such as FS 45, FS 46 37 You are pleased to explain the Emission Control System Warranty on your small off-road engine for the period of ...
Product Instruction Manual
Page 40
... "Fuel"). Emission test may be performed either at STIHL Incorporated or at and after the first scheduled replacement point. 38 FS 45, FS 46 The following : N repair or replacement required because of misuse, neglect or lack of the following list specifically defines the emission-related warranted parts: - Air Filter - Choke (Cold Start Enrichment System) - Any...
... "Fuel"). Emission test may be performed either at STIHL Incorporated or at and after the first scheduled replacement point. 38 FS 45, FS 46 The following : N repair or replacement required because of misuse, neglect or lack of the following list specifically defines the emission-related warranted parts: - Air Filter - Choke (Cold Start Enrichment System) - Any...
Product Instruction Manual
Page 41
..., or improper maintenance or unapproved modifications. STIHL Incorporated must be liable to meet all applicable emission regulations. STIHL Incorporated will be used. FS 45, FS 46 39 In California, new equipment that you... are responsible for presenting your small off -road equipment engine to applicable emission regulations for performance of charge. Owner's Warranty Responsibilities As the small off -road engines must warrant the emissions control system on or modified part...
..., or improper maintenance or unapproved modifications. STIHL Incorporated must be liable to meet all applicable emission regulations. STIHL Incorporated will be used. FS 45, FS 46 39 In California, new equipment that you... are responsible for presenting your small off -road equipment engine to applicable emission regulations for performance of charge. Owner's Warranty Responsibilities As the small off -road engines must warrant the emissions control system on or modified part...
Product Instruction Manual
Page 42
... coverage. 40 FS 45, FS 46 That notwithstanding, any warranted part otherwise eligible for warranty coverage may be used for replacement as required maintenance in the written instructions required by the Emission Warranty Parts List (see below) must be repaired or replaced by the manufacturer according to Subsection (4) below . If any authorized STIHL servicing dealer and...
... coverage. 40 FS 45, FS 46 That notwithstanding, any warranted part otherwise eligible for warranty coverage may be used for replacement as required maintenance in the written instructions required by the Emission Warranty Parts List (see below) must be repaired or replaced by the manufacturer according to Subsection (4) below . If any authorized STIHL servicing dealer and...