Product Instruction Manual
Page 3
... / Stopping the Engine 15 Operating Instructions 17 Cleaning the Air Filter 18 Engine Management 18 Adjusting the Carburetor 18 Spark Arresting Screen in Muffler 19 Spark Plug 19 Lubricating the Gearbox 20 Sharpening Instructions 21 Storing ...Repairs 26 Disposal 27 STIHL Incorporated Federal Emission Control Warranty Statement 27 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 29 Trademarks 31 English Allow only persons who fully understand this manual. VA0.C15. 0000000917_011_GB { HL 90 K This instruction ...
... / Stopping the Engine 15 Operating Instructions 17 Cleaning the Air Filter 18 Engine Management 18 Adjusting the Carburetor 18 Spark Arresting Screen in Muffler 19 Spark Plug 19 Lubricating the Gearbox 20 Sharpening Instructions 21 Storing ...Repairs 26 Disposal 27 STIHL Incorporated Federal Emission Control Warranty Statement 27 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 29 Trademarks 31 English Allow only persons who fully understand this manual. VA0.C15. 0000000917_011_GB { HL 90 K This instruction ...
Product Instruction Manual
Page 13
...the hedge first, then the top. Forest Service, may damage parts of the machine. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use your hedge trimmer during rest periods cutomary in this product is maintained in effective working order. Contact your ...power tool in a dry and high or locked location out of reach of fire; Preparations Use lopping shears to reduce the risk of children. HL 90 K 11 Your muffler is damaged, missing or modified. Do not clean your power tool if the muffler is equipped with a pressure washer....
...the hedge first, then the top. Forest Service, may damage parts of the machine. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use your hedge trimmer during rest periods cutomary in this product is maintained in effective working order. Contact your ...power tool in a dry and high or locked location out of reach of fire; Preparations Use lopping shears to reduce the risk of children. HL 90 K 11 Your muffler is damaged, missing or modified. Do not clean your power tool if the muffler is equipped with a pressure washer....
Product Instruction Manual
Page 15
...the slot (arrow) - N Use a suitable tool to push the slide to the engine. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as stop. Use mid-grade unleaded gasoline with an ethanol content... gearbox on the drive tube so that you use your HL 90 K 13 Adjust the throttle cable only when the machine is also important. this reason STIHL recommends that the machine support on unleaded gasoline and the STIHL twostroke engine oil at the same time until the end of...
...the slot (arrow) - N Use a suitable tool to push the slide to the engine. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as stop. Use mid-grade unleaded gasoline with an ethanol content... gearbox on the drive tube so that you use your HL 90 K 13 Adjust the throttle cable only when the machine is also important. this reason STIHL recommends that the machine support on unleaded gasoline and the STIHL twostroke engine oil at the same time until the end of...
Product Instruction Manual
Page 18
... grip snap back. your left hand and press it will otherwise be necessary. 16 HL 90 K tion if the engine has been running but is correctly adjusted. N Pull the starter grip slowly with fuel. Make sure the carburetor is still cold. The cutting blades must rest securely on Starting At very low outside...
... grip snap back. your left hand and press it will otherwise be necessary. 16 HL 90 K tion if the engine has been running but is correctly adjusted. N Pull the starter grip slowly with fuel. Make sure the carburetor is still cold. The cutting blades must rest securely on Starting At very low outside...
Product Instruction Manual
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even if the engine is filled with the starter to 15 tank fillings. HL 90 K 17 N Start the engine. 249BA058 KN N Move the slide control to e - N Set the choke knob to STOP-0. see "Storing the Machine". This avoids unnecessary high ... the flow of full throttle operation, allow the engine to cool down firmly). see chapter on "Adjusting the Throttle Cable". This protects enginemounted components (ignition, carburetor) from sources of throttle cable - Empty the fuel tank and keep the machine in period. N Remove the spark plug boot (10). N Move the slide ...
even if the engine is filled with the starter to 15 tank fillings. HL 90 K 17 N Start the engine. 249BA058 KN N Move the slide control to e - N Set the choke knob to STOP-0. see "Storing the Machine". This avoids unnecessary high ... the flow of full throttle operation, allow the engine to cool down firmly). see chapter on "Adjusting the Throttle Cable". This protects enginemounted components (ignition, carburetor) from sources of throttle cable - Empty the fuel tank and keep the machine in period. N Remove the spark plug boot (10). N Move the slide ...
Product Instruction Manual
Page 20
273BA006 KN 266BA027 KN English Cleaning the Air Filter If there is a noticeable loss of engine power 4 1 2 Engine Management Adjusting the Carburetor Exhaust emissions are controlled by a servicing dealer. 18 HL 90 K N Clean away loose dirt from around the filter. N Grip the filter element (3) at the factory. Do not wash. carburation, ignition, timing and... warm up for optimum performance and fuel efficiency in all operating states at the cutout (arrow) in the filter housing and fit the cover. The carburetor of your hand or blow it down firmly.
273BA006 KN 266BA027 KN English Cleaning the Air Filter If there is a noticeable loss of engine power 4 1 2 Engine Management Adjusting the Carburetor Exhaust emissions are controlled by a servicing dealer. 18 HL 90 K N Clean away loose dirt from around the filter. N Grip the filter element (3) at the factory. Do not wash. carburation, ignition, timing and... warm up for optimum performance and fuel efficiency in all operating states at the cutout (arrow) in the filter housing and fit the cover. The carburetor of your hand or blow it down firmly.
Product Instruction Manual
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... environmental requirements. This may cause overload and will give unsatisfactory cutting results. this helps prevent the carburetor diaphragms sticking together. N Thoroughly clean the machine - HL 90 K 21 N Refit the filler plug and tighten it off the blade on the inside of the...crosscut sharpening file. Angle drive Lubricate the angle drive with dull or damaged cutting blades. NOTICE Do not operate your machine with STIHL gear lubricant for brushcutters - blades frequently snag on the forward stroke - N Store the machine in accordance with grease. N...
... environmental requirements. This may cause overload and will give unsatisfactory cutting results. this helps prevent the carburetor diaphragms sticking together. N Thoroughly clean the machine - HL 90 K 21 N Refit the filler plug and tighten it off the blade on the inside of the...crosscut sharpening file. Angle drive Lubricate the angle drive with dull or damaged cutting blades. NOTICE Do not operate your machine with STIHL gear lubricant for brushcutters - blades frequently snag on the forward stroke - N Store the machine in accordance with grease. N...
Product Instruction Manual
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...in fuel tank Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Fuel tank Clean Carburetor Check idle adjustment Adjust idle speed X X Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean... work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required X X X X X X X X X X X X X X X X X X X HL 90 K English Maintenance and Care The following intervals apply to normal operating conditions only.
...in fuel tank Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Fuel tank Clean Carburetor Check idle adjustment Adjust idle speed X X Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean... work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required X X X X X X X X X X X X X X X X X X X HL 90 K English Maintenance and Care The following intervals apply to normal operating conditions only.
Product Instruction Manual
Page 26
English Main Parts 2 1 3 456 7 13 14 20 21 19 18 22 # 9 8 10 11 12 16 17 1 Cap 2 Hand Guard 3 Handle Hose 4 Drive Tube 5 Slide Control 6 Throttle Trigger Lockout 7 Throttle Trigger 8 Choke Knob 9 Spark Plug Boot 10 Air Filter Cover 11 Fuel Tank 12 Machine Support 13 Cutting Blades 14 Blade Scabbard 15 Cutting Blade Guard 16 Blade Drive Gear 17 Angle Drive 18 Fuel Filler Cap 19 Carburetor Adjusting Screws 20 Manual Fuel Pump 21 Starter Grip 22 Muffler with Spark Arresting Screen # Serial Number 445BA010 KN 24 HL 90 K
English Main Parts 2 1 3 456 7 13 14 20 21 19 18 22 # 9 8 10 11 12 16 17 1 Cap 2 Hand Guard 3 Handle Hose 4 Drive Tube 5 Slide Control 6 Throttle Trigger Lockout 7 Throttle Trigger 8 Choke Knob 9 Spark Plug Boot 10 Air Filter Cover 11 Fuel Tank 12 Machine Support 13 Cutting Blades 14 Blade Scabbard 15 Cutting Blade Guard 16 Blade Drive Gear 17 Angle Drive 18 Fuel Filler Cap 19 Carburetor Adjusting Screws 20 Manual Fuel Pump 21 Starter Grip 22 Muffler with Spark Arresting Screen # Serial Number 445BA010 KN 24 HL 90 K
Product Instruction Manual
Page 27
... arresting screen is not in the drive tube during transportation. 2. Handle Hose For holding and controlling the unit with mixture lubrication HL 90 K 25 Cutting Blade Guard Helps to meet Federal emission requirements. Manual Fuel Pump Provides additional fuel feed for cutting hedges and ... cylinder four-stroke engine with the hand during starting the engine. 22. Cap Secures the shaft in use. 15. Carburetor Adjusting Screws For tuning the carburetor. 20. Drive Tube Encloses and protects the drive shaft between the engine and gearbox. 5. Keeps the choke partially open...
... arresting screen is not in the drive tube during transportation. 2. Handle Hose For holding and controlling the unit with mixture lubrication HL 90 K 25 Cutting Blade Guard Helps to meet Federal emission requirements. Manual Fuel Pump Provides additional fuel feed for cutting hedges and ... cylinder four-stroke engine with the hand during starting the engine. 22. Cap Secures the shaft in use. 15. Carburetor Adjusting Screws For tuning the carburetor. 20. Drive Tube Encloses and protects the drive shaft between the engine and gearbox. 5. Keeps the choke partially open...
Product Instruction Manual
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...position diaphragm carburetor with integral fuel pump Fuel tank capacity: 17.9 fl.oz (0.53 l) Weight Dry, with drive tube and cutting attachment 12.6 lbs. (5.7 kg) 26 HL 90 K Warranty claims following repairs can be accepted only if the repair has been performed by authorized STIHL servicing ...dealers. The symbol may appear alone on small parts. Genuine STIHL parts can be identified by the STIHL part number, the { logo and...
...position diaphragm carburetor with integral fuel pump Fuel tank capacity: 17.9 fl.oz (0.53 l) Weight Dry, with drive tube and cutting attachment 12.6 lbs. (5.7 kg) 26 HL 90 K Warranty claims following repairs can be accepted only if the repair has been performed by authorized STIHL servicing ...dealers. The symbol may appear alone on small parts. Genuine STIHL parts can be identified by the STIHL part number, the { logo and...
Product Instruction Manual
Page 29
... you retain all receipts covering maintenance on waste disposal. 000BA073 KN STIHL Incorporated Federal Emission Control Warranty Statement Not for two years. HL 90 K 27 STIHL products must be designed, built and equipped, at an authorized dealer...), parts, and labor. The equipment engine must not be aware, however, that you , including diagnosis (if the diagnostic work is defective, the part will be used in a reasonable amount of sale to a STIHL service center as soon as the carburetor...
... you retain all receipts covering maintenance on waste disposal. 000BA073 KN STIHL Incorporated Federal Emission Control Warranty Statement Not for two years. HL 90 K 27 STIHL products must be designed, built and equipped, at an authorized dealer...), parts, and labor. The equipment engine must not be aware, however, that you , including diagnosis (if the diagnostic work is defective, the part will be used in a reasonable amount of sale to a STIHL service center as soon as the carburetor...
Product Instruction Manual
Page 30
... which is not scheduled for replacement as the owner, shall not be replaced by STIHL Incorporated STIHL Incorporated warrants to conform with applicable regulations for the cost of two years. Carburetor (if applicable) - Injection Valve (if applicable) - Throttle Housing (if applicable...STIHL Incorporated will be designed, built and equipped, at any authorized STIHL servicing dealer or warranty station. Diagnosis You, as required maintenance, or which is defective, the part will be provided without charge to the owner. Deviations from defects in this recommendation 28 HL 90...
... which is not scheduled for replacement as the owner, shall not be replaced by STIHL Incorporated STIHL Incorporated warrants to conform with applicable regulations for the cost of two years. Carburetor (if applicable) - Injection Valve (if applicable) - Throttle Housing (if applicable...STIHL Incorporated will be designed, built and equipped, at any authorized STIHL servicing dealer or warranty station. Diagnosis You, as required maintenance, or which is defective, the part will be provided without charge to the owner. Deviations from defects in this recommendation 28 HL 90...
Product Instruction Manual
Page 31
...off -road engine for the lack of receipts or your failure to HL 90 K 29 The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as the carburetor or fuel-injection system, the ignition system, and catalytic converter. ...Also included may require shorter maintenance intervals. STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
...off -road engine for the lack of receipts or your failure to HL 90 K 29 The warranty repairs should however be designed, built, and equipped to a STIHL servicing dealer as soon as the carburetor or fuel-injection system, the ignition system, and catalytic converter. ...Also included may require shorter maintenance intervals. STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
Product Instruction Manual
Page 33
...any warranted part otherwise eligible for warranty coverage may be excluded from such warranty coverage if STIHL Incorporated demonstrates that the STIHL product has been abused, neglected, or improperly maintained, and that has a factory installed, ... to make a Claim for Warranty Service Bring the STIHL product to other engine components caused by the failure of the need for warranty coverage. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment...® iCademy® MAGNUM® MasterWrench Service® MotoMix® HL 90 K 31
...any warranted part otherwise eligible for warranty coverage may be excluded from such warranty coverage if STIHL Incorporated demonstrates that the STIHL product has been abused, neglected, or improperly maintained, and that has a factory installed, ... to make a Claim for Warranty Service Bring the STIHL product to other engine components caused by the failure of the need for warranty coverage. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment...® iCademy® MAGNUM® MasterWrench Service® MotoMix® HL 90 K 31