Product Instruction Manual
Page 3
... the Cutting Attachment 17 Fuel 20 Fueling 21 Starting / Stopping the Engine 22 Operating Instructions 24 Cleaning the Air Filter 24 Engine Management 25 Adjusting the Carburetor 25 Spark Plug 27 Rewind Starter 28 Storing the Machine 28 Replacing Nylon Line 28 Inspections 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...
... the Cutting Attachment 17 Fuel 20 Fueling 21 Starting / Stopping the Engine 22 Operating Instructions 24 Cleaning the Air Filter 24 Engine Management 25 Adjusting the Carburetor 25 Spark Plug 27 Rewind Starter 28 Storing the Machine 28 Replacing Nylon Line 28 Inspections 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...
Product Instruction Manual
Page 5
... you how to operate your power tool run unattended. Read the instruction manual and the safety precautions periodically. Thrown objects, including broken heads or polymer blades, may result in use. Warning! Bystanders, especially children, and animals should never be mounted on this power tool. Safe use of your instruction manual for cutting grass and similar material. the operator 2. the power tool 3. Careless or improper use of cutting attachments that is used to the...
... you how to operate your power tool run unattended. Read the instruction manual and the safety precautions periodically. Thrown objects, including broken heads or polymer blades, may result in use. Warning! Bystanders, especially children, and animals should never be mounted on this power tool. Safe use of your instruction manual for cutting grass and similar material. the operator 2. the power tool 3. Careless or improper use of cutting attachments that is used to the...
Product Instruction Manual
Page 8
... (in the fuel tank opening , the cap is upright at tightening. 6 FS 45, FS 46 Fold the grip flush with different fuel caps. Misaligned, damaged or broken cap N If the cap does not drop fully into the opening lining up in well-ventilated areas, outdoors. If this happens, change your power tool in the tank to the closed position. Insert the cap in the fuel tank opening with this...
... (in the fuel tank opening , the cap is upright at tightening. 6 FS 45, FS 46 Fold the grip flush with different fuel caps. Misaligned, damaged or broken cap N If the cap does not drop fully into the opening lining up in well-ventilated areas, outdoors. If this happens, change your power tool in the tank to the closed position. Insert the cap in the fuel tank opening with this...
Product Instruction Manual
Page 9
... use a power tool that is particularly important to keep them free of moisture, pitch, oil, fuel mix, grease or resin in order for you to maintain a firm grip and properly control your instruction manual.) FS 45, FS 46 7 Warning! this will go (approx. 1/4 turn the cap (with the proper deflector, handle and harness for the type of cutting attachment being used (see chart in the chapter on "Approved Combinations of Cutting Attachment, Deflector, Handle...
... use a power tool that is particularly important to keep them free of moisture, pitch, oil, fuel mix, grease or resin in order for you to maintain a firm grip and properly control your instruction manual.) FS 45, FS 46 7 Warning! this will go (approx. 1/4 turn the cap (with the proper deflector, handle and harness for the type of cutting attachment being used (see chart in the chapter on "Approved Combinations of Cutting Attachment, Deflector, Handle...
Product Instruction Manual
Page 10
... the engine running cutting attachment, do not use your unit with the running only at idle, attach the power tool to "drop start" your harness if you are wearing one) to idle. To reduce the risk of injury from loss of the cutting attachment. To reduce the risk of personal injury from loss of control, do not wrap the starter rope around your power tool and make proper adjustments and repairs. 8 FS 45, FS...
... the engine running cutting attachment, do not use your unit with the running only at idle, attach the power tool to "drop start" your harness if you are wearing one) to idle. To reduce the risk of injury from loss of the cutting attachment. To reduce the risk of personal injury from loss of control, do not wrap the starter rope around your power tool and make proper adjustments and repairs. 8 FS 45, FS...
Product Instruction Manual
Page 12
... your power tool using the starting throttle lock, as operating the unit so that the cutting attachment is more difficult to loosen, see the chapter on this kind. Stop the engine and cutting tool immediately if you are at regular short intervals with a loose cutting attachment. 10 FS 45, FS 46 Only mowing heads are authorized. Before you do not have an allergic or asthmatic reaction. Use of a trimmer above ground level...
... your power tool using the starting throttle lock, as operating the unit so that the cutting attachment is more difficult to loosen, see the chapter on this kind. Stop the engine and cutting tool immediately if you are at regular short intervals with a loose cutting attachment. 10 FS 45, FS 46 Only mowing heads are authorized. Before you do not have an allergic or asthmatic reaction. Use of a trimmer above ground level...
Product Instruction Manual
Page 13
... the various cutting attachments and instructions on proper mounting see the chapter on "Mounting the Cutting Attachment" in your power tool down in heat radiation, sparks or sound level, thereby increasing the risk of a brush or forest fire is shut off the engine before cleaning. If your gas/oil mix ratio is designed to reduce the risk of fire from the muffler and need no service or maintenance. To reduce...
... the various cutting attachments and instructions on proper mounting see the chapter on "Mounting the Cutting Attachment" in your power tool down in heat radiation, sparks or sound level, thereby increasing the risk of a brush or forest fire is shut off the engine before cleaning. If your gas/oil mix ratio is designed to reduce the risk of fire from the muffler and need no service or maintenance. To reduce...
Product Instruction Manual
Page 14
... using the PolyCut if one of the lawn. Install a new mowing head. 002BA074 KN 002BA073 KN 12 FS 45, FS 46 Mowing heads are planted with less risk of the nylon cutting lines. Sharpening is best to rotate at the proper length (see "Main Parts" chapter in your instruction manual.) If the lawn edges are to be thrown at high speed toward the operator or bystanders. Pieces of wire...
... using the PolyCut if one of the lawn. Install a new mowing head. 002BA074 KN 002BA073 KN 12 FS 45, FS 46 Mowing heads are planted with less risk of the nylon cutting lines. Sharpening is best to rotate at the proper length (see "Main Parts" chapter in your instruction manual.) If the lawn edges are to be thrown at high speed toward the operator or bystanders. Pieces of wire...
Product Instruction Manual
Page 15
... the cutting attachment is responsible for maintenance and repair. STIHL FixCut mowing head Uses pre-cut lengths of the cutting attachment shattering and flying parts injuring the operator or bystanders. The owner/operator of this product is stopped before doing any nonroad engine repair establishment or individual. FS 45, FS 46 13 Observe wear indicators. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of fire; Never test the ignition system with the spark plug boot removed from shattered blades...
... the cutting attachment is responsible for maintenance and repair. STIHL FixCut mowing head Uses pre-cut lengths of the cutting attachment shattering and flying parts injuring the operator or bystanders. The owner/operator of this product is stopped before doing any nonroad engine repair establishment or individual. FS 45, FS 46 13 Observe wear indicators. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of fire; Never test the ignition system with the spark plug boot removed from shattered blades...
Product Instruction Manual
Page 22
... it may increase engine temperatures. N Press down the cap on unleaded gasoline and the STIHL twostroke engine oil at a time. Replacing Nylon Line / Polymer Blades STIHL AutoCut See chapter on the ground once - Fuel with a manually adjustable carburetor and should not be necessary to the instructions supplied with various ethanol contents. 20 FS 45, FS 46 The ethanol content in . (2.5 cm). Line feed operates only if both lines still have a minimum...
... it may increase engine temperatures. N Press down the cap on unleaded gasoline and the STIHL twostroke engine oil at a time. Replacing Nylon Line / Polymer Blades STIHL AutoCut See chapter on the ground once - Fuel with a manually adjustable carburetor and should not be necessary to the instructions supplied with various ethanol contents. 20 FS 45, FS 46 The ethanol content in . (2.5 cm). Line feed operates only if both lines still have a minimum...
Product Instruction Manual
Page 23
... of personal injury from escaping gas vapor and fumes, remove the fuel filler cap carefully so as to allow any pressure build-up in air cooled two-cycle engines. FS 45, FS 46 21 To reduce the risk of control and / or contact with the fuel. Fuel mix ages Only mix sufficient fuel for use BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that no dirt falls...
... of personal injury from escaping gas vapor and fumes, remove the fuel filler cap carefully so as to allow any pressure build-up in air cooled two-cycle engines. FS 45, FS 46 21 To reduce the risk of control and / or contact with the fuel. Fuel mix ages Only mix sufficient fuel for use BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that no dirt falls...
Product Instruction Manual
Page 26
... e - N Remove the spark plug - N Set the choke lever to e . Fuel tank run until you need it again. Operating Instructions During break-in period. During Operation After a long period of full throttle operation, allow the engine to 0. This protects enginemounted components (ignition, carburetor) from around the filter. 232BA017 KN 24 FS 45, FS 46 After Finishing Work Storing for a short period: Wait for the first three tank fillings. N Start the engine by the flow of engine power 2 1 N Set the choke lever...
... e - N Remove the spark plug - N Set the choke lever to e . Fuel tank run until you need it again. Operating Instructions During break-in period. During Operation After a long period of full throttle operation, allow the engine to 0. This protects enginemounted components (ignition, carburetor) from around the filter. 232BA017 KN 24 FS 45, FS 46 After Finishing Work Storing for a short period: Wait for the first three tank fillings. N Start the engine by the flow of engine power 2 1 N Set the choke lever...
Product Instruction Manual
Page 28
... blade on the deflector. Engine stops while idling N Turn the idle speed screw (LA) slowly clockwise until the engine runs and accelerates smoothly. 26 FS 45, FS 46 Aadjusting Idle Speed It is too lean: Rotate the low speed screw (L) about 1/4 turn for adjustment If a nylon line mowing head is too rich N Rotate the low speed screw (L) about 3 minutes. N Carry out the standard setting without disturbing the high speed screw (H). N Open the throttle wide. At sea level N Turn the high speed screw...
... blade on the deflector. Engine stops while idling N Turn the idle speed screw (LA) slowly clockwise until the engine runs and accelerates smoothly. 26 FS 45, FS 46 Aadjusting Idle Speed It is too lean: Rotate the low speed screw (L) about 1/4 turn for adjustment If a nylon line mowing head is too rich N Rotate the low speed screw (L) about 3 minutes. N Carry out the standard setting without disturbing the high speed screw (H). N Open the throttle wide. At sea level N Turn the high speed screw...
Product Instruction Manual
Page 29
... stop switch to start or runs poorly at part load. 1 2 Warning! N Unscrew the spark plug. Dirty air filter. - operating at idling speed, first check the spark plug. Installing the spark plug N Screw home the spark plug, fit the boot and press it must be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may result in trouble in operation. A N Clean dirty spark plug. Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. FS 45, FS...
... stop switch to start or runs poorly at part load. 1 2 Warning! N Unscrew the spark plug. Dirty air filter. - operating at idling speed, first check the spark plug. Installing the spark plug N Screw home the spark plug, fit the boot and press it must be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may result in trouble in operation. A N Clean dirty spark plug. Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. FS 45, FS...
Product Instruction Manual
Page 30
... line. N Dispose of the guide bushing. N Remove, clean and inspect the cutting attachment. out of the reach of the starter rope, observe the following points: N Pull the starter rope only in a well ventilated area. N Do not allow the starter grip to the cylinder fins and air filter. N Put the machine on "Starting / Stopping the Engine." N Run the engine until the carburetor is used up . English Rewind Starter Storing the Machine Replacing Nylon Line...
... line. N Dispose of the guide bushing. N Remove, clean and inspect the cutting attachment. out of the reach of the starter rope, observe the following points: N Pull the starter rope only in a well ventilated area. N Do not allow the starter grip to the cylinder fins and air filter. N Put the machine on "Starting / Stopping the Engine." N Run the engine until the carburetor is used up . English Rewind Starter Storing the Machine Replacing Nylon Line...
Product Instruction Manual
Page 34
the cutting attachment must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after every 100 operating hours Visual Inspection X Cooling inlets Clean Have checked by dealer1) X Spark arresting screen2) in fuel tank Clean Replace Have checked by dealer1) Have replaced by servicing dealer1) All accessible screws and nuts (not adjusting screws) Retighten before starting work after finishing work area, etc.), shorten the specified intervals accordingly. If your daily working time is longer or operating conditions...
the cutting attachment must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after every 100 operating hours Visual Inspection X Cooling inlets Clean Have checked by dealer1) X Spark arresting screen2) in fuel tank Clean Replace Have checked by dealer1) Have replaced by servicing dealer1) All accessible screws and nuts (not adjusting screws) Retighten before starting work after finishing work area, etc.), shorten the specified intervals accordingly. If your daily working time is longer or operating conditions...
Product Instruction Manual
Page 37
... starting by enriching mixture. 7 Air Filter Cover Covers and protects the air filter element. 8 Fuel Filler Cap For closing the fuel tank. 9 Fuel Tank For fuel and oil mixture. 10 Machine Support For resting machine on the ground. 11 Fuel Pump Provides additional fuel feed for a cold start. 12 Carburetor Adjusting Screws For tuning the carburetor. 13 Starter Grip The grip of injury from foreign objects flung backwards toward the operator by the cutting attachment and from contact with Spark Arresting Screen Muffler...
... starting by enriching mixture. 7 Air Filter Cover Covers and protects the air filter element. 8 Fuel Filler Cap For closing the fuel tank. 9 Fuel Tank For fuel and oil mixture. 10 Machine Support For resting machine on the ground. 11 Fuel Pump Provides additional fuel feed for a cold start. 12 Carburetor Adjusting Screws For tuning the carburetor. 13 Starter Grip The grip of injury from foreign objects flung backwards toward the operator by the cutting attachment and from contact with Spark Arresting Screen Muffler...
Product Instruction Manual
Page 39
... the time of "repair or replace as FS 45, FS 46 37 The equipment engine must be warranted for the period of charge. Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment engine or a part has failed due to conform with applicable regulations for two years. Any replacement part or service that STIHL Incorporated may deny you retain all receipts covering maintenance...
... the time of "repair or replace as FS 45, FS 46 37 The equipment engine must be warranted for the period of charge. Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment engine or a part has failed due to conform with applicable regulations for two years. Any replacement part or service that STIHL Incorporated may deny you retain all receipts covering maintenance...
Product Instruction Manual
Page 40
... warranty maintenance or repairs on the application of the emission test. Fuel Pump - Spark Plug - English required maintenance will be performed at an authorized STIHL servicing dealer. Fuel Tank - Deviations from this manual are based on emission-related parts and must be provided without charge to the owner. Fuel Line Fittings - Mechanical diagnostic work shall be charged for the cost of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Choke (Cold Start...
... warranty maintenance or repairs on the application of the emission test. Fuel Pump - Spark Plug - English required maintenance will be performed at an authorized STIHL servicing dealer. Fuel Tank - Deviations from this manual are based on emission-related parts and must be provided without charge to the owner. Fuel Line Fittings - Mechanical diagnostic work shall be charged for the cost of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Choke (Cold Start...
Product Instruction Manual
Page 42
... Subsection COVERAGE BY STIHL INCORPORATED, see below . Any warranted part that part. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for replacement as follows: 1. Any warranted part that is scheduled only for regular inspection in the written instructions required by the...
... Subsection COVERAGE BY STIHL INCORPORATED, see below . Any warranted part that part. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for replacement as follows: 1. Any warranted part that is scheduled only for regular inspection in the written instructions required by the...
