Instruction Manual
Page 2
... Metal Cutting Tools 39 Maintenance Chart 40 Parts and Controls 42 Specifications 44 Special Accessories 45 Maintenance and Repairs 45 STIHL Incorporated Federal Emission Control Warranty Statement 46 Trademarks 48 Allow only persons who understand this manual, please contact your clearing...Because a clearing saw . If the operating characteristics or the appearance of your clearing saw differs from those described in Germany STIHl FS 300, FS 350, FS 400, FS 450, FS 480 1 KG, 2008 0458 255 8621 A. Careless or improper use may cause serious or even fatal injury. M0.5. ...
... Metal Cutting Tools 39 Maintenance Chart 40 Parts and Controls 42 Specifications 44 Special Accessories 45 Maintenance and Repairs 45 STIHL Incorporated Federal Emission Control Warranty Statement 46 Trademarks 48 Allow only persons who understand this manual, please contact your clearing...Because a clearing saw . If the operating characteristics or the appearance of your clearing saw differs from those described in Germany STIHl FS 300, FS 350, FS 400, FS 450, FS 480 1 KG, 2008 0458 255 8621 A. Careless or improper use may cause serious or even fatal injury. M0.5. ...
Instruction Manual
Page 3
...may contain paragraphs that appear in the illustration. In addition to the operating instructions, this manual may contain item numbers that require your STIHL dealer. Components that are not installed on correct procedure in different ways: : A bullet marks a step or procedure without direct reference...Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. 2 FS 300, FS 350, FS 400, FS 450, FS 480 Note or hint on all of your machine differ from those described in this manual. If the operating characteristics or ...
...may contain paragraphs that appear in the illustration. In addition to the operating instructions, this manual may contain item numbers that require your STIHL dealer. Components that are not installed on correct procedure in different ways: : A bullet marks a step or procedure without direct reference...Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. 2 FS 300, FS 350, FS 400, FS 450, FS 480 Note or hint on all of your machine differ from those described in this manual. If the operating characteristics or ...
Instruction Manual
Page 4
STIHL does not recommend the use of any substance (drugs, alcohol, etc.) which might be allowed to crack, chip or...check with solid foreign objects such as rocks or bits of metal, it may cause blades to use of control. Have your STIHL dealer show you are fatigued. Thrown objects or damaged blades may result in use of your clearing saw understands the information contained... clearing saw . Read the owner's manual and the safety instructions periodically. the clearing saw run unattended. Observe all STIHL clearing saws. FS 300, FS 350, FS 400, FS 450, FS 480 3
STIHL does not recommend the use of any substance (drugs, alcohol, etc.) which might be allowed to crack, chip or...check with solid foreign objects such as rocks or bits of metal, it may cause blades to use of control. Have your STIHL dealer show you are fatigued. Thrown objects or damaged blades may result in use of your clearing saw understands the information contained... clearing saw . Read the owner's manual and the safety instructions periodically. the clearing saw run unattended. Observe all STIHL clearing saws. FS 300, FS 350, FS 400, FS 450, FS 480 3
Instruction Manual
Page 5
... carpal tunnel syndrome. This field may also ricochet and strike the operator. 4 FS 300, FS 350, FS 400, FS 450, FS 480 Wear gloves and keep your unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - Most STIHL power tools are mentioned as high vibration levels and long periods of...
... carpal tunnel syndrome. This field may also ricochet and strike the operator. 4 FS 300, FS 350, FS 400, FS 450, FS 480 Wear gloves and keep your unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - Most STIHL power tools are mentioned as high vibration levels and long periods of...
Instruction Manual
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...way. Wear sturdy boots with ANSI Z 87.1 (or your hearing. Only attachments supplied by STIHL or expressly approved by STIHL for the STIHL clearing saw work. Clothing must be extremely dangerous. THE CLEARING SAW For illustrations and definitions ...parts see the chapter on "Parts and Controls". !Warning! To reduce the risk of injury to your face STIHL recommends that could become caught on branches, brush or moving parts of injury to your legs. Continual and ...with nonslip soles. Never modify a clearing saw and the cutting tool. FS 300, FS 350, FS 400, FS 450, FS 480 5
...way. Wear sturdy boots with ANSI Z 87.1 (or your hearing. Only attachments supplied by STIHL or expressly approved by STIHL for the STIHL clearing saw work. Clothing must be extremely dangerous. THE CLEARING SAW For illustrations and definitions ...parts see the chapter on "Parts and Controls". !Warning! To reduce the risk of injury to your face STIHL recommends that could become caught on branches, brush or moving parts of injury to your legs. Continual and ...with nonslip soles. Never modify a clearing saw and the cutting tool. FS 300, FS 350, FS 400, FS 450, FS 480 5
Instruction Manual
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... when handling gasoline or fuel mix. A B Arrows on the fuel used, the weather conditions and the tank venting system. 6 FS 300, FS 350, FS 400, FS 450, FS 480 Fuel your clearing saw in a vehicle, properly secure it can cause fire and serious burn injury or property damage. Always shut... Inspect for loose parts (nuts, screws, etc.) and for cracked, bent, warped or damaged blades. 000BA007 KN 000BA006 KN Fueling Your STIHL clearing saw Adjust carrying harness and hand grip to the idle position. The machine should be properly tightened and in operation. English / USA ...
... when handling gasoline or fuel mix. A B Arrows on the fuel used, the weather conditions and the tank venting system. 6 FS 300, FS 350, FS 400, FS 450, FS 480 Fuel your clearing saw in a vehicle, properly secure it can cause fire and serious burn injury or property damage. Always shut... Inspect for loose parts (nuts, screws, etc.) and for cracked, bent, warped or damaged blades. 000BA007 KN 000BA006 KN Fueling Your STIHL clearing saw Adjust carrying harness and hand grip to the idle position. The machine should be properly tightened and in operation. English / USA ...
Instruction Manual
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...the filler neck, the cap is fixed and spilled fuel has been wiped away. In order to reduce the risk of the cap. If this STIHL cap, raise the grip on Approved Combinations of fuel spillage and fire from blade contact and thrown objects, make sure your clothing immediately. Fold the...and check for fueling and move at a 90° angle. Unit vibrations can cause serious or fatal personal injury. Improper use of fuel. FS 300, FS 350, FS 400, FS 450, FS 480 7 Using the grip, turn ). If the grip does not lie completely flush with as much force as it is upright at least 10...
...the filler neck, the cap is fixed and spilled fuel has been wiped away. In order to reduce the risk of the cap. If this STIHL cap, raise the grip on Approved Combinations of fuel spillage and fire from blade contact and thrown objects, make sure your clothing immediately. Fold the...and check for fueling and move at a 90° angle. Unit vibrations can cause serious or fatal personal injury. Improper use of fuel. FS 300, FS 350, FS 400, FS 450, FS 480 7 Using the grip, turn ). If the grip does not lie completely flush with as much force as it is upright at least 10...
Instruction Manual
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.... !Warning! Do not allow the grip to snap back, but at all other injury insure that the cutting tool is still hot. 8 FS 300, FS 350, FS 400, FS 450, FS 480 Some STIHL clearing saw models are equipped with a catalytic converter cools down less rapidly than conventional mufflers, always set your clearing saw down as rapidly...
.... !Warning! Do not allow the grip to snap back, but at all other injury insure that the cutting tool is still hot. 8 FS 300, FS 350, FS 400, FS 450, FS 480 Some STIHL clearing saw models are equipped with a catalytic converter cools down less rapidly than conventional mufflers, always set your clearing saw down as rapidly...
Instruction Manual
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...injury, keep the area around the muffler clean. carbon monoxide) may also permanently damage the engine. FS 300, FS 350, FS 400, FS 450, FS 480 9 Never disassemble or modify your STIHL Servicing Dealer only. !Warning! English / USA Let the engine cool down before refueling your muffler ...OSHA and NIOSH and other reproductive harm. Operate the clearing saw after use. !Warning! Have your muffler serviced and repaired by a STIHL Servicing Dealer. Due to cause respiratory disease, cancer, birth defects, or other sources on concrete, metal, bare ground or solid wood...
...injury, keep the area around the muffler clean. carbon monoxide) may also permanently damage the engine. FS 300, FS 350, FS 400, FS 450, FS 480 9 Never disassemble or modify your STIHL Servicing Dealer only. !Warning! English / USA Let the engine cool down before refueling your muffler ...OSHA and NIOSH and other reproductive harm. Operate the clearing saw after use. !Warning! Have your muffler serviced and repaired by a STIHL Servicing Dealer. Due to cause respiratory disease, cancer, birth defects, or other sources on concrete, metal, bare ground or solid wood...
Instruction Manual
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...vibrate, crack, break or come off and seriously injure the operator or bystanders. Never use of ricochets in serious or fatal injury. FS 300, FS 350, FS 400, FS 450, FS 480 11 This clearing saw , which may cause the blade to a unit without proper installation of all required parts. Use of...cause damage to secure the blade. If the blade continues to loosen, see your STIHL dealer. should be cleaned off the engine and make sure the cutting tool has stopped before cleaning. STIHL recommends use a clearing saw with the cutting attachment perpendicular to the ground may ...
...vibrate, crack, break or come off and seriously injure the operator or bystanders. Never use of ricochets in serious or fatal injury. FS 300, FS 350, FS 400, FS 450, FS 480 11 This clearing saw , which may cause the blade to a unit without proper installation of all required parts. Use of...cause damage to secure the blade. If the blade continues to loosen, see your STIHL dealer. should be cleaned off the engine and make sure the cutting tool has stopped before cleaning. STIHL recommends use a clearing saw with the cutting attachment perpendicular to the ground may ...
Instruction Manual
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... clean and in good condition. At correct idle speed, the cutting tool should not move. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of non-STIHL parts may be attached.) A loose connection between spark plug boot and ignition wire connector in serious or fatal injuries. !Warning! Use of the emission control... establishment or individual. Follow the maintenance and repair instructions in your clearing saw and make sure that could ignite combustible fumes and cause a fire. 12 FS 300, FS 350, FS 400, FS 450, FS 480 English / USA !Warning!
... clean and in good condition. At correct idle speed, the cutting tool should not move. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of non-STIHL parts may be attached.) A loose connection between spark plug boot and ignition wire connector in serious or fatal injuries. !Warning! Use of the emission control... establishment or individual. Follow the maintenance and repair instructions in your clearing saw and make sure that could ignite combustible fumes and cause a fire. 12 FS 300, FS 350, FS 400, FS 450, FS 480 English / USA !Warning!
Instruction Manual
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An improperly maintained muffler will result. in the USA, Canada and Australia), never operate your clearing saw in your STIHL Owner's Manual should be strictly followed. Remember that the risk of forest fires is damaged, missing or modified. Store clearing saw if the ...chapter on "mounting the cutting tools" in cutter will automatically adjust the line to the clutch mechanism and nearby parts. 002BA018 LÄ FS 300, FS 350, FS 400, FS 450, FS 480 13 If your clearing saw if the muffler is greater in damage to its proper length. Before storing for your muffler was ...
An improperly maintained muffler will result. in the USA, Canada and Australia), never operate your clearing saw in your STIHL Owner's Manual should be strictly followed. Remember that the risk of forest fires is damaged, missing or modified. Store clearing saw if the ...chapter on "mounting the cutting tools" in cutter will automatically adjust the line to the clutch mechanism and nearby parts. 002BA018 LÄ FS 300, FS 350, FS 400, FS 450, FS 480 13 If your clearing saw if the muffler is greater in damage to its proper length. Before storing for your muffler was ...
Instruction Manual
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... and from contact with the polymer blades. than with the cutting tool. Important! However, the polymer bladed STIHL "PolyCut" produces a better cut with the head! 000BA015 KN 002BA177 KN 14 FS 300, FS 350, FS 400, FS 450, FS 480 It is replaced by a fence etc., it has worn as far as one of the head or...
... and from contact with the polymer blades. than with the cutting tool. Important! However, the polymer bladed STIHL "PolyCut" produces a better cut with the head! 000BA015 KN 002BA177 KN 14 FS 300, FS 350, FS 400, FS 450, FS 480 It is replaced by a fence etc., it has worn as far as one of the head or...
Instruction Manual
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...the non-shaded area of the blade. !Warning! Do not attempt to cut down small trees, STIHL recommends that the circular saw positioned against the tree during the cutting process. Inexperienced users should only... during the cutting operation and will keep the clearing saw blade be sure to keep the clearing saw forward. STIHL recommends that the standard deflector be used by the special "stop helps to remount the standard deflector for cutting ...the risk of 4 cm (1 9/16"). English / USA Using the circular saw blade Circular saw . 16 FS 300, FS 350, FS 400, FS 450, FS 480
...the non-shaded area of the blade. !Warning! Do not attempt to cut down small trees, STIHL recommends that the circular saw positioned against the tree during the cutting process. Inexperienced users should only... during the cutting operation and will keep the clearing saw blade be sure to keep the clearing saw forward. STIHL recommends that the standard deflector be used by the special "stop helps to remount the standard deflector for cutting ...the risk of 4 cm (1 9/16"). English / USA Using the circular saw blade Circular saw . 16 FS 300, FS 350, FS 400, FS 450, FS 480
Instruction Manual
Page 19
...- English / USA Approved Combinations of Cutting Tool, Deflector, Stop and Harness Cutting tools Mowing heads 1 STIHL SuperCut 40-2 2 STIHL AutoCut 40-2 3 STIHL AutoCut 40-4 1) 4 STIHL TrimCut 40-2 5 STIHL PolyCut 40-3 Metal mowing tools 6 Grass cutting blade 230-4 7 Grass cutting blade 255-8 8 Brush knife... tools 6 to 5 14 Deflector with the rotating cutting tool. Harness 1) for FS 450, 450 K, 450 L, 480, 480 K, 480 L only 2) for FS 400, 400 K, 400 L, 450, 450 K, 450 L, 480, 480 K, 480 L only 18 FS 300, FS 350, FS 400, FS 450, FS 480 No other parts, the complete unit includes: -
...- English / USA Approved Combinations of Cutting Tool, Deflector, Stop and Harness Cutting tools Mowing heads 1 STIHL SuperCut 40-2 2 STIHL AutoCut 40-2 3 STIHL AutoCut 40-4 1) 4 STIHL TrimCut 40-2 5 STIHL PolyCut 40-3 Metal mowing tools 6 Grass cutting blade 230-4 7 Grass cutting blade 255-8 8 Brush knife... tools 6 to 5 14 Deflector with the rotating cutting tool. Harness 1) for FS 450, 450 K, 450 L, 480, 480 K, 480 L only 2) for FS 400, 400 K, 400 L, 450, 450 K, 450 L, 480, 480 K, 480 L only 18 FS 300, FS 350, FS 400, FS 450, FS 480 No other parts, the complete unit includes: -
Instruction Manual
Page 24
...should be fitted to loosen and unscrew the nut (4) clockwise. : Remove the rider plate (5) and thrust washer (6). STIHL SuperCut Mowing Head STIHL AutoCut Mowing Head STIHL TrimCut Mowing Head : Block the output shaft with the stop pin. : Screw cutting head counterclockwise onto the output shaft... and the thrust plate. Removing the mowing head : Block the output shaft. : Unscrew the mowing head clockwise. 256BA006 KN 256BA007 KN 256BA000 KN FS 300, FS 350, FS 400, FS 450, FS 480 23 Mounting the Cutting Tools English / USA 3 8 4 5 6 9 10 7 11 2 1 Blocking the Drive Shaft : Insert the...
...should be fitted to loosen and unscrew the nut (4) clockwise. : Remove the rider plate (5) and thrust washer (6). STIHL SuperCut Mowing Head STIHL AutoCut Mowing Head STIHL TrimCut Mowing Head : Block the output shaft with the stop pin. : Screw cutting head counterclockwise onto the output shaft... and the thrust plate. Removing the mowing head : Block the output shaft. : Unscrew the mowing head clockwise. 256BA006 KN 256BA007 KN 256BA000 KN FS 300, FS 350, FS 400, FS 450, FS 480 23 Mounting the Cutting Tools English / USA 3 8 4 5 6 9 10 7 11 2 1 Blocking the Drive Shaft : Insert the...
Instruction Manual
Page 25
... AutoCut mowing head Hold unit with the stop pin. : Position the mowing head on the shaft. : Fit the thrust washer (6) - English / USA 4 6 STIHL PolyCut 40-3 Mowing Head : Block the output shaft with engine running (mowing head must face down firmly. If the mounting nut is contained in (4 cm... and allow it down . : Screw on the deflector. Remove the stop to spring back. : Pull ends of fresh line. 24 FS 300, FS 350, FS 400, FS 450, FS 480 Removing the mowing head : Block the output shaft. : Unscrew the nut clockwise. Line feed operates only if both lines are still...
... AutoCut mowing head Hold unit with the stop pin. : Position the mowing head on the shaft. : Fit the thrust washer (6) - English / USA 4 6 STIHL PolyCut 40-3 Mowing Head : Block the output shaft with engine running (mowing head must face down firmly. If the mounting nut is contained in (4 cm... and allow it down . : Screw on the deflector. Remove the stop to spring back. : Pull ends of fresh line. 24 FS 300, FS 350, FS 400, FS 450, FS 480 Removing the mowing head : Block the output shaft. : Unscrew the nut clockwise. Line feed operates only if both lines are still...
Instruction Manual
Page 27
... engine temperatures. When mixing, pour oil into the mixture. When filling at authorized disposal locations. 26 FS 300, FS 350, FS 400, FS 450, FS 480 English / USA Fuel This engine is certified to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of piston seizure and damage to the engine. Use mid...
... engine temperatures. When mixing, pour oil into the mixture. When filling at authorized disposal locations. 26 FS 300, FS 350, FS 400, FS 450, FS 480 English / USA Fuel This engine is certified to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of piston seizure and damage to the engine. Use mid...
Instruction Manual
Page 36
... a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 000BA036 TR If engine running conditions, e.g. FS 300, FS 350, FS 400, FS 450, FS 480 35 Have your STIHL dealer inspect the muffler for carbonization. operating at idling speed, first check the spark plug. : Remove spark plug - English / USA Engine...
... a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 000BA036 TR If engine running conditions, e.g. FS 300, FS 350, FS 400, FS 450, FS 480 35 Have your STIHL dealer inspect the muffler for carbonization. operating at idling speed, first check the spark plug. : Remove spark plug - English / USA Engine...
Instruction Manual
Page 37
... the Gearbox 1 2 Replacing the Starter Rope and Rewind Spring 1 1 1 1 32 4 256BA063 KN 5 6 256BA033 KN 256BA032 KN 256BA044 KN Use STIHL gear lubricant for brushcutters (see Specifications) and then thread the rope through the top of the grip and the rope bush (6). : Refit the cap in... tube of the starter grip. : Remove remaining rope from the rotor and grip. : Tie a simple overhand knot in the grip. 36 FS 300, FS 350, FS 400, FS 450, FS 480 take care to avoid injury during the following operation. : Remove the screws (1). : Lift away the fan housing. : Remove the spring...
... the Gearbox 1 2 Replacing the Starter Rope and Rewind Spring 1 1 1 1 32 4 256BA063 KN 5 6 256BA033 KN 256BA032 KN 256BA044 KN Use STIHL gear lubricant for brushcutters (see Specifications) and then thread the rope through the top of the grip and the rope bush (6). : Refit the cap in... tube of the starter grip. : Remove remaining rope from the rotor and grip. : Tie a simple overhand knot in the grip. 36 FS 300, FS 350, FS 400, FS 450, FS 480 take care to avoid injury during the following operation. : Remove the screws (1). : Lift away the fan housing. : Remove the spring...