Product Instruction Manual
Page 3
...STIHL Incorporated California Exhaust and Evaporative 3 Emissions Control Warranty 12 Statement 14 Trademarks Adjusting the Throttle Cable 14 Mounting the Cutting Blade 15 4-MIX Engine 15 Fuel 16 Fueling 17 Starting / Stopping the Engine 18 Operating Instructions 20 Cleaning the Air Filter... 31 Specifications 32 Special Accessories 33 Maintenance and Repairs 34 STIHL Incorporated Federal Emission Control Warranty Statement 34 { FC 90 English Allow only persons who fully understand this manual. © ANDREAS STIHL AG & Co. Always wear proper eye protection. 1 ...
...STIHL Incorporated California Exhaust and Evaporative 3 Emissions Control Warranty 12 Statement 14 Trademarks Adjusting the Throttle Cable 14 Mounting the Cutting Blade 15 4-MIX Engine 15 Fuel 16 Fueling 17 Starting / Stopping the Engine 18 Operating Instructions 20 Cleaning the Air Filter... 31 Specifications 32 Special Accessories 33 Maintenance and Repairs 34 STIHL Incorporated Federal Emission Control Warranty Statement 34 { FC 90 English Allow only persons who fully understand this manual. © ANDREAS STIHL AG & Co. Always wear proper eye protection. 1 ...
Product Instruction Manual
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... - N Insert the screw and tighten it out on "Adjusting the Throttle Cable". N Check the air filter and clean or replace as necessary. Installing the filter 273BA006 KN Exhaust emissions are controlled by the design of any major hardware. FC 90 21 N Check the spark arresting screen and clean or replace as necessary. carburation, ignition, timing...
... - N Insert the screw and tighten it out on "Adjusting the Throttle Cable". N Check the air filter and clean or replace as necessary. Installing the filter 273BA006 KN Exhaust emissions are controlled by the design of any major hardware. FC 90 21 N Check the spark arresting screen and clean or replace as necessary. carburation, ignition, timing...
Product Instruction Manual
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... a new one. N Unscrew the spark plug. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. FC 90 23 If the screen is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark plug... screen in the muffler. N Wait for the muffler to form on the insulator nose which may result in trouble in the gasoline), a dirty air filter and unfavorable running conditions (mostly at idling speed, first check the spark plug. N Lift the spark arresting screen (5) and pull it down .
... a new one. N Unscrew the spark plug. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. FC 90 23 If the screen is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark plug... screen in the muffler. N Wait for the muffler to form on the insulator nose which may result in trouble in the gasoline), a dirty air filter and unfavorable running conditions (mostly at idling speed, first check the spark plug. N Lift the spark arresting screen (5) and pull it down .
Product Instruction Manual
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Dirty air filter. - N Use only resistor type spark plugs of spark plug: - Unfavorable running conditions, e.g.... that could ignite combustible fumes and cause a fire. N Refit the filler plug and tighten it down firmly. 24 FC 90 Installing the spark plug N Screw home the spark plug, fit the boot and press it down firmly. 2 1 Check... grease level regularly, about every 25 hours of fire and burn injury, use only spark plugs authorized by STIHL. N Check electrode gap (A) and readjust if necessary - operating at part load. 2 Warning! English Checking the Spark Plug...
Dirty air filter. - N Use only resistor type spark plugs of spark plug: - Unfavorable running conditions, e.g.... that could ignite combustible fumes and cause a fire. N Refit the filler plug and tighten it down firmly. 24 FC 90 Installing the spark plug N Screw home the spark plug, fit the boot and press it down firmly. 2 1 Check... grease level regularly, about every 25 hours of fire and burn injury, use only spark plugs authorized by STIHL. N Check electrode gap (A) and readjust if necessary - operating at part load. 2 Warning! English Checking the Spark Plug...
Product Instruction Manual
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... thread on the housing. A very high torque has to be lost. pay special attention to the cylinder fins and air filter. English Replacing the Depth Wheel Have a worn depth wheel replaced by an authorized STIHL servicing dealer. Storing the Machine For periods of 3 months or longer N Drain and clean the fuel tank in... a case have servicing and repair work loose and be applied to ensure that you have the screw and wingnut replaced by a servicing dealer. 241BA024 KN FC 90 27
... thread on the housing. A very high torque has to be lost. pay special attention to the cylinder fins and air filter. English Replacing the Depth Wheel Have a worn depth wheel replaced by an authorized STIHL servicing dealer. Storing the Machine For periods of 3 months or longer N Drain and clean the fuel tank in... a case have servicing and repair work loose and be applied to ensure that you have the screw and wingnut replaced by a servicing dealer. 241BA024 KN FC 90 27
Product Instruction Manual
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... X X X X X X X X X X X X X X X 29 Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Pickup body in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration elements (rubber buffers, Check X springs) Have replaced... X Spark arresting screen in fuel tank Clean Replace Have checked by dealer1) Have replaced by dealer1) FC 90 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. Maintenance and Care The...
... X X X X X X X X X X X X X X X 29 Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Pickup body in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration elements (rubber buffers, Check X springs) Have replaced... X Spark arresting screen in fuel tank Clean Replace Have checked by dealer1) Have replaced by dealer1) FC 90 before starting work after finishing work area, etc.), shorten the specified intervals accordingly. Maintenance and Care The...
Product Instruction Manual
Page 33
Fuel Tank 9. Muffler with Spark Arresting Screen 15. Cutting Blade 16. Throttle Trigger Lockout 4. Choke Lever 6. Carburetor Adjusting Screws 12. Loop Handle 2. Throttle Trigger 5. Spark Plug Boot 7. Air Filter Cover 8. Main Parts 1 23 4 12 13 11 10 14 # English 6 57 8 9 20 1. Fuel Filler Cap 11. Deflector 17. Slide Control 3. Fuel Pump 13. Drive Tube # Serial Number 16 15 17 18 19 239BA005 KN FC 90 31 Machine Support 10. Depth Wheel 18. Starter Grip 14. Skirt 20. Wingnut 19.
Fuel Tank 9. Muffler with Spark Arresting Screen 15. Cutting Blade 16. Throttle Trigger Lockout 4. Choke Lever 6. Carburetor Adjusting Screws 12. Loop Handle 2. Throttle Trigger 5. Spark Plug Boot 7. Air Filter Cover 8. Main Parts 1 23 4 12 13 11 10 14 # English 6 57 8 9 20 1. Fuel Filler Cap 11. Deflector 17. Slide Control 3. Fuel Pump 13. Drive Tube # Serial Number 16 15 17 18 19 239BA005 KN FC 90 31 Machine Support 10. Depth Wheel 18. Starter Grip 14. Skirt 20. Wingnut 19.
Product Instruction Manual
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... Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours 32 FC 90 Carburetor Adjusting Screws For tuning the carburetor. 12. Cutting Blade Metal cutting blade for a cold start. 13. Air Filter Cover Covers and protects the air filter element. 8. Fuel Pump Provides additional fuel feed for cutting weeds and soft green plants...
... Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours 32 FC 90 Carburetor Adjusting Screws For tuning the carburetor. 12. Cutting Blade Metal cutting blade for a cold start. 13. Air Filter Cover Covers and protects the air filter element. 8. Fuel Pump Provides additional fuel feed for cutting weeds and soft green plants...
Product Instruction Manual
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...any warranty maintenance or repairs on the application of two years. FC 90 35 Any warranted part which leads to other engine components caused by the initial purchaser and you can write to STIHL. However, if you for the warranty period. The following ... may be designed, built and equipped, at any authorized STIHL servicing dealer or warranty station. Air Filter - Control Linkages - The warranty repairs will be completed in this recommendation regarding your engine is defective. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser...
...any warranty maintenance or repairs on the application of two years. FC 90 35 Any warranted part which leads to other engine components caused by the initial purchaser and you can write to STIHL. However, if you for the warranty period. The following ... may be designed, built and equipped, at any authorized STIHL servicing dealer or warranty station. Air Filter - Control Linkages - The warranty repairs will be completed in this recommendation regarding your engine is defective. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser...
Product Instruction Manual
Page 38
...failure to meet the State's stringent anti-smog standards. If 36 FC 90 Owner's Warranty Responsibilities As the small off -road engine. STIHL Incorporated must be repaired or replaced by STIHL Incorporated, and N replacement of parts and other services and adjustments ... Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake...
...failure to meet the State's stringent anti-smog standards. If 36 FC 90 Owner's Warranty Responsibilities As the small off -road engine. STIHL Incorporated must be repaired or replaced by STIHL Incorporated, and N replacement of parts and other services and adjustments ... Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake...
Product Instruction Manual
Page 40
... Mark™ Quad Power™ Quiet Line™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ STIHL M-Tronic™ STIHL Magnum™ STIHL MiniBoss™ STIHL MotoPlus 4™ STIHL Multi-Cut HomeScaper Series™ STIHL OUTFITTERS™ STIHL PICCO™ STIHL PolyCut™ STIHL PowerSweep™ FC 90 Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System...
... Mark™ Quad Power™ Quiet Line™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ STIHL M-Tronic™ STIHL Magnum™ STIHL MiniBoss™ STIHL MotoPlus 4™ STIHL Multi-Cut HomeScaper Series™ STIHL OUTFITTERS™ STIHL PICCO™ STIHL PolyCut™ STIHL PowerSweep™ FC 90 Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System...