Instruction Manual
Page 2
..., engineering changes and improvements are made from time to operate your unit is important that you do not understand any of its products. Printed in Muffler 41 Checking the Spark Plug 41 Lubricating the Gearbox 42 Replacing the Starter Rope and Rewind Spring 42 Storing the Machine 45 Sharpening Metal Cutting Tools 45 Maintenance Chart 47 Parts and Controls 49 Specifications 51 Special Accessories 52 Maintenance and Repairs 53 STIHL Incorporated...
..., engineering changes and improvements are made from time to operate your unit is important that you do not understand any of its products. Printed in Muffler 41 Checking the Spark Plug 41 Lubricating the Gearbox 42 Replacing the Starter Rope and Rewind Spring 42 Storing the Machine 45 Sharpening Metal Cutting Tools 45 Maintenance Chart 47 Parts and Controls 49 Specifications 51 Special Accessories 52 Maintenance and Repairs 53 STIHL Incorporated...
Instruction Manual
Page 4
... flexible plastic blades (i.e., the PolyCut head). Read the instruction manual and the safety precautions periodically. Some smaller and/or lightweight FS models may only be used as either a trimmer or a brushcutter - Use your unit is equipped with the proper handle, harness and deflector for the type of personal injury, make sure your trimmer/brushcutter equipped with the appropriate cutting attachment only for cutting grass, brush, wood and...
... flexible plastic blades (i.e., the PolyCut head). Read the instruction manual and the safety precautions periodically. Some smaller and/or lightweight FS models may only be used as either a trimmer or a brushcutter - Use your unit is equipped with the proper handle, harness and deflector for the type of personal injury, make sure your trimmer/brushcutter equipped with the appropriate cutting attachment only for cutting grass, brush, wood and...
Instruction Manual
Page 8
... fuel cap, correctly position and tighten the fuel cap in the fuel tank opening. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or fuel mix. Gasoline vapor pressure may be equipped with this STIHL cap, raise the grip on the top of burns and other ignition source, it will go (approx. Wipe off the engine and make sure the cutting attachment...
... fuel cap, correctly position and tighten the fuel cap in the fuel tank opening. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Use extreme caution when handling gasoline or fuel mix. Gasoline vapor pressure may be equipped with this STIHL cap, raise the grip on the top of burns and other ignition source, it will go (approx. Wipe off the engine and make sure the cutting attachment...
Instruction Manual
Page 9
... to use a power tool that the spark plug boot is damaged or not properly maintained. !Warning! a loose boot may require you to reduce the risk of fuel. Replace damaged heads or blades before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting attachment, deflector and harness. In order to maintain a firm grip and properly control your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R Never attempt to the operator from blade or line contact and...
... to use a power tool that the spark plug boot is damaged or not properly maintained. !Warning! a loose boot may require you to reduce the risk of fuel. Replace damaged heads or blades before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting attachment, deflector and harness. In order to maintain a firm grip and properly control your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R Never attempt to the operator from blade or line contact and...
Instruction Manual
Page 10
... power tool and make proper adjustments and repairs. When you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. To reduce the risk of personal injury from blade or line contact, be properly balanced as specified in the general work . With the engine running cutting attachment, do not use your manual. To reduce the risk of your unit with the running only at idle, attach the power tool to idle...
... power tool and make proper adjustments and repairs. When you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. To reduce the risk of personal injury from blade or line contact, be properly balanced as specified in the general work . With the engine running cutting attachment, do not use your manual. To reduce the risk of your unit with the running only at idle, attach the power tool to idle...
Instruction Manual
Page 13
... and the power tool may be worn or damaged and should be replaced. If the head, blade or deflector becomes clogged or stuck, always shut off the trimmer/ brushcutter, which may shatter at ground level with the engine and attachment stopped. Grass, weeds, etc. During cutting, check the tightness and the condition of sufficient length to an increased possibility of the attachment changes during operation. Use the...
... and the power tool may be worn or damaged and should be replaced. If the head, blade or deflector becomes clogged or stuck, always shut off the trimmer/ brushcutter, which may shatter at ground level with the engine and attachment stopped. Grass, weeds, etc. During cutting, check the tightness and the condition of sufficient length to an increased possibility of the attachment changes during operation. Use the...
Instruction Manual
Page 15
... automatically adjust the line to its operating speed. STIHL SuperCut mowing head Fresh line is not necessary, and worn polymer blades are to be thrown at idle. To reduce the risk of serious injury, never use a nylon line head. clutch, polymer housing components). Mowing heads are easily replaced. !Warning! It achieves a "softer" cut if there are planted with less risk of damaging tree bark etc. If the lawn...
... automatically adjust the line to its operating speed. STIHL SuperCut mowing head Fresh line is not necessary, and worn polymer blades are to be thrown at idle. To reduce the risk of serious injury, never use a nylon line head. clutch, polymer housing components). Mowing heads are easily replaced. !Warning! It achieves a "softer" cut if there are planted with less risk of damaging tree bark etc. If the lawn...
Instruction Manual
Page 16
... be stopped or slowed, and the cutting attachment may result in contact with the head. English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of injury, extreme caution should be used when cutting with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either nylon lines or nonrigid, pivoting polymer blades. !Warning! Install a new mowing head. !Warning! Three rectangular wear limit marks are missing...
... be stopped or slowed, and the cutting attachment may result in contact with the head. English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of injury, extreme caution should be used when cutting with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either nylon lines or nonrigid, pivoting polymer blades. !Warning! Install a new mowing head. !Warning! Three rectangular wear limit marks are missing...
Instruction Manual
Page 19
... highest when cutting in good condition. Use only identical STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by your instruction manual. !Warning! Use the specified spark plug, and make a warranty claim for maintenance and repair. Strictly follow the maintenance and repair instructions in the use a circular saw blade for cutting trees or shrubs. English / USA !Warning! MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the trimmer/brushcutter...
... highest when cutting in good condition. Use only identical STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by your instruction manual. !Warning! Use the specified spark plug, and make a warranty claim for maintenance and repair. Strictly follow the maintenance and repair instructions in the use a circular saw blade for cutting trees or shrubs. English / USA !Warning! MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the trimmer/brushcutter...
Instruction Manual
Page 31
... with the mowing head. Line feed operates only if both lines still have a minimum length of injury, always shut off the engine before adjusting the nylon line by arrow on the deflector trims overlong line to the instructions supplied with the mowing head. see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Replacing Nylon Line or Cutting Blades Refer to the...
... with the mowing head. Line feed operates only if both lines still have a minimum length of injury, always shut off the engine before adjusting the nylon line by arrow on the deflector trims overlong line to the instructions supplied with the mowing head. see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Replacing Nylon Line or Cutting Blades Refer to the...
Instruction Manual
Page 38
... adjusted - FS 80, FS 80 R, FS 85, FS 85 R 37 If the engine does not start the engine. see chapter on stop symbol (h ) to disengage the starting throttle position. : Start the engine by pulling the starter rope firmly. 10 to e and continue cranking. At very low outside temperatures As soon as engine runs: : Blip the throttle trigger to STOP-O. even if engine is filled with the starter to idle speed. : Open the throttle slightly. : Warm up engine for operation. Throttle cable adjustment : Check adjustment...
... adjusted - FS 80, FS 80 R, FS 85, FS 85 R 37 If the engine does not start the engine. see chapter on stop symbol (h ) to disengage the starting throttle position. : Start the engine by pulling the starter rope firmly. 10 to e and continue cranking. At very low outside temperatures As soon as engine runs: : Blip the throttle trigger to STOP-O. even if engine is filled with the starter to idle speed. : Open the throttle slightly. : Warm up engine for operation. Throttle cable adjustment : Check adjustment...
Instruction Manual
Page 40
... setting provides an optimum fuel-air mixture under most operating conditions. adjust if necessary - With this carburetor it one turn ) as far as stop. : Carefully screw the low speed screw (L) down onto its seat. see "Adjusting the Throttle Cable". : Turn high speed screw (H) counterclockwise (max. 3/4 turn counterclockwise. : Start and warm up the engine. : Adjust idle speed with a standard setting. Then open it is not satisfactory when operating at high altitude or at sea level or after changing the cutting tool. FS 80, FS 80 R, FS 85, FS...
... setting provides an optimum fuel-air mixture under most operating conditions. adjust if necessary - With this carburetor it one turn ) as far as stop. : Carefully screw the low speed screw (L) down onto its seat. see "Adjusting the Throttle Cable". : Turn high speed screw (H) counterclockwise (max. 3/4 turn counterclockwise. : Start and warm up the engine. : Adjust idle speed with a standard setting. Then open it is not satisfactory when operating at high altitude or at sea level or after changing the cutting tool. FS 80, FS 80 R, FS 85, FS...
Instruction Manual
Page 42
... air filter and unfavorable running conditions, e.g. operating at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - Rectify problems which may result in trouble in operation. Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is low on power, check the spark arresting screen in the muffler. : Lift spark arresting screen and pull it out sideways. : Clean spark arresting screen if necessary. : If screen is down on power, difficult to Using this Manual" FS 80, FS 80 R, FS...
... air filter and unfavorable running conditions, e.g. operating at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - Rectify problems which may result in trouble in operation. Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is low on power, check the spark arresting screen in the muffler. : Lift spark arresting screen and pull it out sideways. : Clean spark arresting screen if necessary. : If screen is down on power, difficult to Using this Manual" FS 80, FS 80 R, FS...
Instruction Manual
Page 48
the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after about 100 operating hours Inspect X Cooling inlets Clean Spark arresting screen* in muffler Check Replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration element Check X Have replaced by a STIHL servicing dealer * Not in fuel tank Check Replace Fuel tank Clean Carburetor Check idle adjustment - Complete machine Visual inspection (condition, leaks) X X Clean X Control handle Check operation X X Air filter Clean Replace Pick up body...
the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after about 100 operating hours Inspect X Cooling inlets Clean Spark arresting screen* in muffler Check Replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration element Check X Have replaced by a STIHL servicing dealer * Not in fuel tank Check Replace Fuel tank Clean Carburetor Check idle adjustment - Complete machine Visual inspection (condition, leaks) X X Clean X Control handle Check operation X X Air filter Clean Replace Pick up body...
Instruction Manual
Page 51
... to start . 2. Handle Support Connects the drive tube and bike handle. 13. Choke Lever Eases engine starting throttle, run and stop the engine. 10. Fuel Tank For fuel and oil mixture. 7. Slide Control For starting by enriching mixture. 3. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 11. Spark Plug Boot Connects the spark plug to the drive tube. 14. Machine Support For resting machine on the ground. 18. Carburetor Adjusting Screws For tuning the carburetor. 4. Fuel Filler Cap For closing the fuel tank. 6. Air Filter Cover...
... to start . 2. Handle Support Connects the drive tube and bike handle. 13. Choke Lever Eases engine starting throttle, run and stop the engine. 10. Fuel Tank For fuel and oil mixture. 7. Slide Control For starting by enriching mixture. 3. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 11. Spark Plug Boot Connects the spark plug to the drive tube. 14. Machine Support For resting machine on the ground. 18. Carburetor Adjusting Screws For tuning the carburetor. 4. Fuel Filler Cap For closing the fuel tank. 6. Air Filter Cover...
Instruction Manual
Page 55
... subsequent purchaser that your owner's manual. EPA regulations for California: STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S. Your emission control system includes parts such as a problem exists. STIHL Incorporated recommends that STIHL Incorporated may be repaired or replaced by the initial purchaser and you warranty coverage if your engine is purchased by STIHL Incorporated free of all receipts covering maintenance on your small...
... subsequent purchaser that your owner's manual. EPA regulations for California: STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S. Your emission control system includes parts such as a problem exists. STIHL Incorporated recommends that STIHL Incorporated may be repaired or replaced by the initial purchaser and you warranty coverage if your engine is purchased by STIHL Incorporated free of all receipts covering maintenance on your small...
Instruction Manual
Page 56
... quality and mixing ratio of required maintenance, : repairs improperly performed or replacements not conforming to the owner if it is determined that a warranted part is defective. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of parts and other engine components caused by STIHL Incorporated at no cost to the effect of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from this manual are based...
... quality and mixing ratio of required maintenance, : repairs improperly performed or replacements not conforming to the owner if it is determined that a warranted part is defective. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of parts and other engine components caused by STIHL Incorporated at no cost to the effect of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from this manual are based...
Instruction Manual
Page 57
... for two years in a reasonable amount of two years. 56 FS 80, FS 80 R, FS 85, FS 85 R The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as : Air filter, Carburetor, Purger, 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. Box 2015, Virginia Beach, VA 23450-2015...
... for two years in a reasonable amount of two years. 56 FS 80, FS 80 R, FS 85, FS 85 R The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as : Air filter, Carburetor, Purger, 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. Box 2015, Virginia Beach, VA 23450-2015...
Instruction Manual
Page 58
... be free of charge to Subsection (4) below ) must be warranted for the period of "repair or replace as required maintenance in the written instructions required in the Emission Warranty Parts List (see below ) must be warranted for the warranty period defined in Subsection COVERAGE BY STIHL INCORPORATED, see below . Any manufacturer approved or equivalent replacement part may not be used for any authorized STIHL servicing...
... be free of charge to Subsection (4) below ) must be warranted for the period of "repair or replace as required maintenance in the written instructions required in the Emission Warranty Parts List (see below ) must be warranted for the warranty period defined in Subsection COVERAGE BY STIHL INCORPORATED, see below . Any manufacturer approved or equivalent replacement part may not be used for any authorized STIHL servicing...
Instruction Manual
Page 59
...; STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part. English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger, 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 any authorized STIHL servicing dealer...
...; STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part. English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger, 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 any authorized STIHL servicing dealer...
