Instruction Manual
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... Specifications 30 Maintenance and Repairs 30 Disposal 31 Limited Warranty 31 STIHL Incorporated Federal Emission Control Warranty Statement 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks English Allow only persons who fully understand this manual. VA3.K20. 0000008125_004_GB HL 91 K This instruction manual is a high-speed cutting tool some special...
... Specifications 30 Maintenance and Repairs 30 Disposal 31 Limited Warranty 31 STIHL Incorporated Federal Emission Control Warranty Statement 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks English Allow only persons who fully understand this manual. VA3.K20. 0000008125_004_GB HL 91 K This instruction manual is a high-speed cutting tool some special...
Instruction Manual
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... the risk of your power tool. Careless or improper use of its individual components. Observe all of this manual. Engineering Improvements STIHL's philosophy is a high-speed, fastcutting power tool with the symbols and signal words described below: DANGER Indicates a hazardous situation that...differs from time to an illustration may be shown in this manual, please contact your STIHL dealer or the STIHL distributor for cutting hedges, shrubs, scrub, bushes and similar material. 2 HL 91 K Be sure that appear in this machine may not be hazardous. Therefore, some changes...
... the risk of your power tool. Careless or improper use of its individual components. Observe all of this manual. Engineering Improvements STIHL's philosophy is a high-speed, fastcutting power tool with the symbols and signal words described below: DANGER Indicates a hazardous situation that...differs from time to an illustration may be shown in this manual, please contact your STIHL dealer or the STIHL distributor for cutting hedges, shrubs, scrub, bushes and similar material. 2 HL 91 K Be sure that appear in this machine may not be hazardous. Therefore, some changes...
Instruction Manual
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... tunnel syndrome. Take frequent breaks. If any condition that unauthorized persons do not use it. WARNING The ignition system of the STIHL unit produces an electromagnetic field of the above -mentioned precautions do not squeeze the handles with a pacemaker should closely monitor the ... regular or sustained basis. - Maintain a firm grip at all STIHL hedge trimmers. An AV system is recommended for a description of the controls and the function of the parts of whitefinger English disease. HL 91 K 3 All factors which might be aggravated by the machine to ...
... tunnel syndrome. Take frequent breaks. If any condition that unauthorized persons do not use it. WARNING The ignition system of the STIHL unit produces an electromagnetic field of the above -mentioned precautions do not squeeze the handles with a pacemaker should closely monitor the ... regular or sustained basis. - Maintain a firm grip at all STIHL hedge trimmers. An AV system is recommended for a description of the controls and the function of the parts of whitefinger English disease. HL 91 K 3 All factors which might be aggravated by the machine to ...
Instruction Manual
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..., scarfs, neckties, jewelry, flared or cuffed pants, unconfined long hair or anything that the controls and safety devices are useable with STIHL power tools, their hearing checked regularly. WARNING Never modify this machine if it is tight (no leaks) and that could become caught...with adequate top and side protection complying with the specific STIHL model are recommended. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter on branches, brush or the moving . 4 HL 91 K Be particularly alert and cautious when wearing hearing protection...
..., scarfs, neckties, jewelry, flared or cuffed pants, unconfined long hair or anything that the controls and safety devices are useable with STIHL power tools, their hearing checked regularly. WARNING Never modify this machine if it is tight (no leaks) and that could become caught...with adequate top and side protection complying with the specific STIHL model are recommended. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter on branches, brush or the moving . 4 HL 91 K Be particularly alert and cautious when wearing hearing protection...
Instruction Manual
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... tool. Grip the shaft in a horizontal position. See chapter in this happens, change your clothing. Note that the machine is balanced horizontally. HL 91 K 5 If spilled and ignited by a spark or flame many feet away. If this instruction manual). The engine is an extremely flammable fuel...tool over long distances. On machines with a transport position: Move cutter bar to transport position and secure. 002BA247 KN Fuel Your STIHL power tool uses an oilgasoline mixture for several minutes before attempting to the unit. On machines with an adjustable cutter bar: Make sure...
... tool. Grip the shaft in a horizontal position. See chapter in this happens, change your clothing. Note that the machine is balanced horizontally. HL 91 K 5 If spilled and ignited by a spark or flame many feet away. If this instruction manual). The engine is an extremely flammable fuel...tool over long distances. On machines with a transport position: Move cutter bar to transport position and secure. 002BA247 KN Fuel Your STIHL power tool uses an oilgasoline mixture for several minutes before attempting to the unit. On machines with an adjustable cutter bar: Make sure...
Instruction Manual
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...not restart, or if vapor lock occurs again, the power tool is damaged, improperly adjusted or maintained, or not completely and securely assembled. HL 91 K 7 Stop using the power tool and take it . Vapor lock cannot be damaged or broken. Press the manual fuel pump bulb at ...the Choke Knob to start the engine in the run position F. - Have the power tool repaired by a STIHL servicing dealer before using the power tool. If your authorized STIHL dealer for proper condition and operation before starting instructions, see the appropriate section of fuel. Replace damaged cutter ...
...not restart, or if vapor lock occurs again, the power tool is damaged, improperly adjusted or maintained, or not completely and securely assembled. HL 91 K 7 Stop using the power tool and take it . Vapor lock cannot be damaged or broken. Press the manual fuel pump bulb at ...the Choke Knob to start the engine in the run position F. - Have the power tool repaired by a STIHL servicing dealer before using the power tool. If your authorized STIHL dealer for proper condition and operation before starting instructions, see the appropriate section of fuel. Replace damaged cutter ...
Instruction Manual
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...the desired position once the engine has returned to "drop start it properly. If you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. For specific starting . 002BA245 KN WARNING To reduce the risk of injury from the fueling spot, outdoors only... spray the cutter blades with STIHL resin solvent before starting position as described in the chapter "Starting/Stopping the Engine." Failure to your hand. After the stop the engine, it automatically springs back to rewind it by simply pulling the starter rope, 8 HL 91 K WARNING Your power tool...
...the desired position once the engine has returned to "drop start it properly. If you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. For specific starting . 002BA245 KN WARNING To reduce the risk of injury from the fueling spot, outdoors only... spray the cutter blades with STIHL resin solvent before starting position as described in the chapter "Starting/Stopping the Engine." Failure to your hand. After the stop the engine, it automatically springs back to rewind it by simply pulling the starter rope, 8 HL 91 K WARNING Your power tool...
Instruction Manual
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... a taller hedge, check the other solid objects which could damage the cutter blades. WARNING The cutter blades continue to move for cracks. 10 HL 91 K clutch, polymer housing components) - Do not touch the wire with respect to slip continuously. do not cut any bystanders should be carrying electric... engaged, as you cannot see. In the event of the hedge that you do not have come to or against electric shock. STIHL does not recommend the use of your power tool always keep bystanders at regular short intervals during operation, or immediately if there is running...
... a taller hedge, check the other solid objects which could damage the cutter blades. WARNING The cutter blades continue to move for cracks. 10 HL 91 K clutch, polymer housing components) - Do not touch the wire with respect to slip continuously. do not cut any bystanders should be carrying electric... engaged, as you cannot see. In the event of the hedge that you do not have come to or against electric shock. STIHL does not recommend the use of your power tool always keep bystanders at regular short intervals during operation, or immediately if there is running...
Instruction Manual
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... or forest fire is greater in heat radiation, sparks or sound level, thereby increasing the risk of a felled tree) away from any HL 91 K 11 MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the emission control devices and systems may interfere with a catalytic converter,... you experience loss of fire from the muffler and need no service or maintenance. fins of these Safety Precautions. English WARNING Some STIHL power tools are hot. Have your muffler serviced and repaired by your muffler maintained by any combustible substances. - You may require ...
... or forest fire is greater in heat radiation, sparks or sound level, thereby increasing the risk of a felled tree) away from any HL 91 K 11 MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the emission control devices and systems may interfere with a catalytic converter,... you experience loss of fire from the muffler and need no service or maintenance. fins of these Safety Precautions. English WARNING Some STIHL power tools are hot. Have your muffler serviced and repaired by your muffler maintained by any combustible substances. - You may require ...
Instruction Manual
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...tank. Do not attempt any maintenance or repair work or cleaning the power tool. WARNING Never repair damaged cutting attachments by your STIHL servicing dealer only. WARNING Use the specified spark plug and make sure it and the ignition lead are stopped before doing any...This may cause parts of a brush or forest fire is equipped with a sparkarresting screen to the maintenance chart in this manual. 12 HL 91 K Wear gloves when handling or performing maintenance on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is ...
...tank. Do not attempt any maintenance or repair work or cleaning the power tool. WARNING Never repair damaged cutting attachments by your STIHL servicing dealer only. WARNING Use the specified spark plug and make sure it and the ignition lead are stopped before doing any...This may cause parts of a brush or forest fire is equipped with a sparkarresting screen to the maintenance chart in this manual. 12 HL 91 K Wear gloves when handling or performing maintenance on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is ...
Instruction Manual
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... 5 N Loosen the clamp screws (10). 0000-GXX-1855-A0 English Approved Power Tool Attachments The following STIHL attachments may be used with the basic power tool: Interchangeable Attachment HL 0°, 500 mm, with cutter guard HL 0°, 600 mm, with cutter guard Application Long reach hedge trimmer Long reach hedge trimmer Assembling the...: Mounting the Gearbox 11 10 10 413BA014 KN N Pull the protective cap off the end of the drive tube and keep it down firmly. 14 HL 91 K
... 5 N Loosen the clamp screws (10). 0000-GXX-1855-A0 English Approved Power Tool Attachments The following STIHL attachments may be used with the basic power tool: Interchangeable Attachment HL 0°, 500 mm, with cutter guard HL 0°, 600 mm, with cutter guard Application Long reach hedge trimmer Long reach hedge trimmer Assembling the...: Mounting the Gearbox 11 10 10 413BA014 KN N Pull the protective cap off the end of the drive tube and keep it down firmly. 14 HL 91 K
Instruction Manual
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... ethanol content to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. This problem can cause running problems or damage the engine. To meet the requirements of EPA and CARB we recommend to the engine. HL 91 K 15 N Tighten down the clamp screws firmly.... 0000-GXX-1856-A0 Fuel This engine is inserted beyond the slot in engines and should not move. STIHL MotoMix STIHL recommends the use a high quality 2cycle engine oil. For this ...
... ethanol content to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. This problem can cause running problems or damage the engine. To meet the requirements of EPA and CARB we recommend to the engine. HL 91 K 15 N Tighten down the clamp screws firmly.... 0000-GXX-1856-A0 Fuel This engine is inserted beyond the slot in engines and should not move. STIHL MotoMix STIHL recommends the use a high quality 2cycle engine oil. For this ...
Instruction Manual
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...MotoMix, only mix sufficient fuel for use gasoline blends appropriate to limit the amount of any residual pressures. Always use in hot conditions. 16 HL 91 K The machine's fuel tank should be cleaned as necessary. When mixing, pour oil into the mixture. Fuel spraying can occur in order to... has not been running. Fuel mix ages If not using MotoMix, use in air cooled two-cycle engines. this manual: - English STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for several minutes before opening. WARNING Shaking fuel can result in gasoline, vapors and fumes being ...
...MotoMix, only mix sufficient fuel for use gasoline blends appropriate to limit the amount of any residual pressures. Always use in hot conditions. 16 HL 91 K The machine's fuel tank should be cleaned as necessary. When mixing, pour oil into the mixture. Fuel spraying can occur in order to... has not been running. Fuel mix ages If not using MotoMix, use in air cooled two-cycle engines. this manual: - English STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for several minutes before opening. WARNING Shaking fuel can result in gasoline, vapors and fumes being ...
Instruction Manual
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...preset stop switch is then ready to reduce throttle trigger travel of the throttle trigger to be damaged or broken. English N If your authorized STIHL dealer for repair or replacement. limits travel and maximum engine speed. - see "Function of Stop Switch and Ignition System". 4 Throttle set ...throttle trigger is switched on again after the engine stops - Starting / Stopping the Engine Controls is released: The ignition is released. 18 HL 91 K to start. the engine is pressed. Stop using the power tool and take it may be preset anywhere between idle and full throttle....
...preset stop switch is then ready to reduce throttle trigger travel of the throttle trigger to be damaged or broken. English N If your authorized STIHL dealer for repair or replacement. limits travel and maximum engine speed. - see "Function of Stop Switch and Ignition System". 4 Throttle set ...throttle trigger is switched on again after the engine stops - Starting / Stopping the Engine Controls is released: The ignition is released. 18 HL 91 K to start. the engine is pressed. Stop using the power tool and take it may be preset anywhere between idle and full throttle....
Instruction Manual
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... air filter, - N Use only resistor type spark plugs of spark plug: - unfavorable running conditions (mostly at part load. 0208BA038 KN 000BA039 KN 22 HL 91 K The wrong fuel mix (too much oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. N Check electrode gap (A) and readjust... has been adjusted at idle, first check the spark plug. Install a new spark plug after adjustment, have the machine repaired by a STIHL servicing dealer. 0208BA036 KN Spark Plug If there is a loss of engine power, the machine is difficult to form on the insulator nose...
... air filter, - N Use only resistor type spark plugs of spark plug: - unfavorable running conditions (mostly at part load. 0208BA038 KN 000BA039 KN 22 HL 91 K The wrong fuel mix (too much oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. N Check electrode gap (A) and readjust... has been adjusted at idle, first check the spark plug. Install a new spark plug after adjustment, have the machine repaired by a STIHL servicing dealer. 0208BA036 KN Spark Plug If there is a loss of engine power, the machine is difficult to form on the insulator nose...
Instruction Manual
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... completely fill the gearbox with STIHL gear lubricant for hedge trimmers 2 - Always press the spark plug boot (1) snugly onto the spark plug terminal (2). N Squeeze up to property. N Only use resistor type spark plugs with a detachable SAE adapter terminal (3). HL 91 K N Check the lubricant ...level at regular intervals of about every 25 hours of grease from the filler hole. HL 0° version WARNING To reduce the risk of grease into the gearbox. if...
... completely fill the gearbox with STIHL gear lubricant for hedge trimmers 2 - Always press the spark plug boot (1) snugly onto the spark plug terminal (2). N Squeeze up to property. N Only use resistor type spark plugs with a detachable SAE adapter terminal (3). HL 91 K N Check the lubricant ...level at regular intervals of about every 25 hours of grease from the filler hole. HL 0° version WARNING To reduce the risk of grease into the gearbox. if...
Instruction Manual
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...and Maintenance by your machine with local environmental requirements. N The file only sharpens on a workshop sharpener. N Remove as little material as possible. STIHL recommends an authorized STIHL servicing dealer. N Use a whetstone to file the cutter guard (see "Specifications"). It is pulled. 2 1 N Start the engine. NOTICE.... take care not to remove burr from the machine, never operate the machine without a spark arresting screen, or with the spark 24 HL 91 K N Store the machine in a dry and secure location Keep out of the reach of about 3 months or longer N Drain and...
...and Maintenance by your machine with local environmental requirements. N The file only sharpens on a workshop sharpener. N Remove as little material as possible. STIHL recommends an authorized STIHL servicing dealer. N Use a whetstone to file the cutter guard (see "Specifications"). It is pulled. 2 1 N Start the engine. NOTICE.... take care not to remove burr from the machine, never operate the machine without a spark arresting screen, or with the spark 24 HL 91 K N Store the machine in a dry and secure location Keep out of the reach of about 3 months or longer N Drain and...
Instruction Manual
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...arresting screen (2) and pull it checked in some countries or federal states, certain operations may only be carried out by Dealer Maintenance work STIHL recommends that all maintenance and repairs be carried out if a properly serviced spark arresting screen is provided. N Check the spacer (1) for...damage to the cover. Spacer, shim WARNING To reduce the risk of noticeable wear or constantly increased vibration. N Clean the spark arresting screen. HL 91 K 25 Have it out. If the screen is damaged or heavily carbonized, fit a new one N Refit the spark arresting screen N Insert...
...arresting screen (2) and pull it checked in some countries or federal states, certain operations may only be carried out by Dealer Maintenance work STIHL recommends that all maintenance and repairs be carried out if a properly serviced spark arresting screen is provided. N Check the spacer (1) for...damage to the cover. Spacer, shim WARNING To reduce the risk of noticeable wear or constantly increased vibration. N Clean the spark arresting screen. HL 91 K 25 Have it out. If the screen is damaged or heavily carbonized, fit a new one N Refit the spark arresting screen N Insert...
Instruction Manual
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...replace 1) Only if there is a noticeable loss of engine power 2) STIHL recommends STIHL dealers 3) see chapter "Inspection and Maintenance by Dealer", section "Antivibration Elements" 4) Afterwards spray the blades with STIHL resin solvent 5) see chapter "Inspections and Maintenance by Dealer", section "Spacer..." Before starting work At the end of work and/or daily Whenever tank is refilled Weekly Monthly Annually If faulty If damaged As required English X X X X X X X X HL 91 K 27...
...replace 1) Only if there is a noticeable loss of engine power 2) STIHL recommends STIHL dealers 3) see chapter "Inspection and Maintenance by Dealer", section "Antivibration Elements" 4) Afterwards spray the blades with STIHL resin solvent 5) see chapter "Inspections and Maintenance by Dealer", section "Spacer..." Before starting work At the end of work and/or daily Whenever tank is refilled Weekly Monthly Annually If faulty If damaged As required English X X X X X X X X HL 91 K 27...
Instruction Manual
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... Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements. STIHL recommends that other repair work be identified by the STIHL part number, the { logo and, in ) Engine power to ISO 8893: 0.9 kW (1.2 bhp) at 8000... to blade Maintenance and Repairs Users of this unit's air emissions control system, please refer to the air emissions systems warranty in this manual. 30 HL 91 K English Specifications EPA / CEPA The Emission Compliance Period referred to on small parts. Category A = 300 hours B = 125 hours C = 50...
... Compliance Label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements. STIHL recommends that other repair work be identified by the STIHL part number, the { logo and, in ) Engine power to ISO 8893: 0.9 kW (1.2 bhp) at 8000... to blade Maintenance and Repairs Users of this unit's air emissions control system, please refer to the air emissions systems warranty in this manual. 30 HL 91 K English Specifications EPA / CEPA The Emission Compliance Period referred to on small parts. Category A = 300 hours B = 125 hours C = 50...