Instruction Manual
Page 2
...-speed cutting tool some special safety precautions must be recycled. As a result, engineering changes and improvements are made from your STIHL hedge cutter, it is to time. Printed in this manual. !Warning! BA_SE_212_003_01_03.fm Contents Guide to Using this Manual 2... Chart 30 Main Parts and Controls 32 Specifications 34 Special Accessories 35 Maintenance and Repairs 35 STIHL Incorporated Federal Emission Control Warranty Statement 36 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 38 Trademarks 40 STIHl HL 90 K English / ...
...-speed cutting tool some special safety precautions must be recycled. As a result, engineering changes and improvements are made from your STIHL hedge cutter, it is to time. Printed in this manual. !Warning! BA_SE_212_003_01_03.fm Contents Guide to Using this Manual 2... Chart 30 Main Parts and Controls 32 Specifications 34 Special Accessories 35 Maintenance and Repairs 35 STIHL Incorporated Federal Emission Control Warranty Statement 36 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 38 Trademarks 40 STIHl HL 90 K English / ...
Instruction Manual
Page 4
...Different models may have any power tool can be hazardous. the use may be strenuous. HL 90 K 3 Do not lend or rent your model. Be sure that might impair vision, ... the influence of this machine may cause serious or fatal injury. If you have different parts and controls. Safety Precautions and Working Techniques English / USA Because a hedge trimmer is... are fatigued. !Warning! Read the instruction manual and the safety precautions periodically. Observe all STIHL hedge trimmers. If the cutting tool comes in loss of all applicable local safety regulations, ...
...Different models may have any power tool can be hazardous. the use may be strenuous. HL 90 K 3 Do not lend or rent your model. Be sure that might impair vision, ... the influence of this machine may cause serious or fatal injury. If you have different parts and controls. Safety Precautions and Working Techniques English / USA Because a hedge trimmer is... are fatigued. !Warning! Read the instruction manual and the safety precautions periodically. Observe all STIHL hedge trimmers. If the cutting tool comes in loss of all applicable local safety regulations, ...
Instruction Manual
Page 6
... specific STIHL model are recommended. To reduce the risk of the unit. Never modify this power tool in good condition before transporting the power tool over long distances. heavy impact or a fall), always check that the machine is a danger of heavy material to the unit. 002BA247 KN HL 90 K ... use may be extremely dangerous. Check in a vehicle, properly secure it is tight (no leaks) and that could become caught on "Main Parts and Controls". !Warning! Grip the shaft in a manner that it is subjected to protect your legs. Good footing is damaged. Do not ...
... specific STIHL model are recommended. To reduce the risk of the unit. Never modify this power tool in good condition before transporting the power tool over long distances. heavy impact or a fall), always check that the machine is a danger of heavy material to the unit. 002BA247 KN HL 90 K ... use may be extremely dangerous. Check in a vehicle, properly secure it is tight (no leaks) and that could become caught on "Main Parts and Controls". !Warning! Grip the shaft in a manner that it is subjected to protect your legs. Good footing is damaged. Do not ...
Instruction Manual
Page 8
... may cause arcing that is particularly important to keep blades sharp. it is damaged or not properly maintained. !Warning! Inspect for loose parts (nuts, screws, etc.) and for you to engage and move freely and always spring back to loosen or come off and spill ... starting , particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. HL 90 K 7 Before Starting !Warning! Never use a power tool that could ignite combustible fumes and cause a fire. STIHL recommends that the spark plug boot is clear of injury from blade contact, be fast ...
... may cause arcing that is particularly important to keep blades sharp. it is damaged or not properly maintained. !Warning! Inspect for loose parts (nuts, screws, etc.) and for you to engage and move freely and always spring back to loosen or come off and spill ... starting , particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. HL 90 K 7 Before Starting !Warning! Never use a power tool that could ignite combustible fumes and cause a fire. STIHL recommends that the spark plug boot is clear of injury from blade contact, be fast ...
Instruction Manual
Page 9
...damage the starter mechanism. At correct idle speed, the cutting tool should release the starting throttle and allow other part of your hand. Wrap your fingers and thumbs around your body. 8 HL 90 K This also applies to rewind it properly. Do not let the grip snap back, but guide the starter...Loss of control of cut injuries, keep hands and feet away from the cutting tool. If you cannot set the correct idle speed, have your STIHL dealer check your hand or any other persons in the general work area, even when starting. !Warning! Never touch a moving cutting tool with ...
...damage the starter mechanism. At correct idle speed, the cutting tool should release the starting throttle and allow other part of your hand. Wrap your fingers and thumbs around your body. 8 HL 90 K This also applies to rewind it properly. Do not let the grip snap back, but guide the starter...Loss of control of cut injuries, keep hands and feet away from the cutting tool. If you cannot set the correct idle speed, have your STIHL dealer check your hand or any other persons in the general work area, even when starting. !Warning! Never touch a moving cutting tool with ...
Instruction Manual
Page 12
...gearbox becomes hot during operation. Never modify your STIHL servicing dealer only. Catalytic converter !Warning! Since a muffler with a catalytic converter, which is still hot. !Warning! Shut off . To reduce risk of burns do not touch the muffler and other parts while they have come to idle or is...To reduce the risk of fire and burn injuries, the following specific safety precautions must be damaged and cause an increase in the muffler. HL 90 K 11 The muffler and other combustible materials while it is hot. !Warning! Let the engine cool down as rapidly as pine needles,...
...gearbox becomes hot during operation. Never modify your STIHL servicing dealer only. Catalytic converter !Warning! Since a muffler with a catalytic converter, which is still hot. !Warning! Shut off . To reduce risk of burns do not touch the muffler and other parts while they have come to idle or is...To reduce the risk of fire and burn injuries, the following specific safety precautions must be damaged and cause an increase in the muffler. HL 90 K 11 The muffler and other combustible materials while it is hot. !Warning! Let the engine cool down as rapidly as pine needles,...
Instruction Manual
Page 13
...-arresting screen to the maintenance chart in your instruction manual. Use only identical STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may create arcing that the cutting tool is damaged, missing or modified. Do...the ignition lead are always clean and in hot or dry weather. 12 HL 90 K Do not attempt any grease solvents for this manual. !Warning! English / USA Your catalytic converter is furnished with STIHL resin solvent. Due to reduce the risk of fire from the catalytic reaction...
...-arresting screen to the maintenance chart in your instruction manual. Use only identical STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may create arcing that the cutting tool is damaged, missing or modified. Do...the ignition lead are always clean and in hot or dry weather. 12 HL 90 K Do not attempt any grease solvents for this manual. !Warning! English / USA Your catalytic converter is furnished with STIHL resin solvent. Due to reduce the risk of fire from the catalytic reaction...
Instruction Manual
Page 14
... height is necessary, cut a little at a time in such positions for short periods only. 445BA001 KN HL 90 K 13 Vertical Cut Swing the cutter bar up and down in serious or fatal injuries. This may cause parts of children. Recommendation: Only cut out thick branches first. Before storing for cutting hedges. Use lopping...
... height is necessary, cut a little at a time in such positions for short periods only. 445BA001 KN HL 90 K 13 Vertical Cut Swing the cutter bar up and down in serious or fatal injuries. This may cause parts of children. Recommendation: Only cut out thick branches first. Before storing for cutting hedges. Use lopping...
Instruction Manual
Page 22
...cover (2). : Clean away loose dirt from thermal overload. This avoids unnecessary high loads during the break-in a dry place. As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are controlled by flow of cooling air. Check tightness of...of engine power: : Set the choke knob to cool down firmly. 273BA006 KN Exhaust emissions are greater during this period. Drain the fuel tank. HL 90 K 21 The engine develops its maximum power after about 5 to run at high revs (full throttle off load) for a while at regular intervals...
...cover (2). : Clean away loose dirt from thermal overload. This avoids unnecessary high loads during the break-in a dry place. As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are controlled by flow of cooling air. Check tightness of...of engine power: : Set the choke knob to cool down firmly. 273BA006 KN Exhaust emissions are greater during this period. Drain the fuel tank. HL 90 K 21 The engine develops its maximum power after about 5 to run at high revs (full throttle off load) for a while at regular intervals...
Instruction Manual
Page 25
... spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 24 HL 90 K These factors cause deposits to form on power, difficult to start or runs poorly at part load. see "Specifications". : Use only resistor type spark plugs of the spark plug. Rectify ...problems which may result in trouble in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the approved range. English / USA Checking the Spark Plug : Remove the screw (4). : Lift spark arresting ...
... spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 24 HL 90 K These factors cause deposits to form on power, difficult to start or runs poorly at part load. see "Specifications". : Use only resistor type spark plugs of the spark plug. Rectify ...problems which may result in trouble in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the approved range. English / USA Checking the Spark Plug : Remove the screw (4). : Lift spark arresting ...
Instruction Manual
Page 28
To reduce risk of injury, wear eye and face protection and work gloves. : Remove spring housing and the parts of the spring. : Lubricate the new spring with non-resinous oil. : Slip rotor over starter post - turn it on starter post and engage it back ... as shown in the rotor. : Fit the washer (4) on the starter post. : Use a screwdriver or suitable pliers to install spring clip (3) on the pawl's peg - HL 90 K 27 The bits of spring might still be under "Replacing Starter Rope and Rewind Spring". English / USA : Thread the rope through the rotor and secure...
To reduce risk of injury, wear eye and face protection and work gloves. : Remove spring housing and the parts of the spring. : Lubricate the new spring with non-resinous oil. : Slip rotor over starter post - turn it on starter post and engage it back ... as shown in the rotor. : Fit the washer (4) on the starter post. : Use a screwdriver or suitable pliers to install spring clip (3) on the pawl's peg - HL 90 K 27 The bits of spring might still be under "Replacing Starter Rope and Rewind Spring". English / USA : Thread the rope through the rotor and secure...
Instruction Manual
Page 33
English / USA Main Parts and Controls 2 1 3 456 7 13 14 20 21 19 18 22 # 9 8 10 11 12 16 17 445BA008 KN 1 Cap 2 Hand Guard 3 Handle Hose 4 Drive Tube 5 Slide Control 6 Throttle Trigger Interlock 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 Fuel Pump 21 Starter Grip 22 Muffler with Spark Arresting Screen # Serial Number 32 HL 90 K
English / USA Main Parts and Controls 2 1 3 456 7 13 14 20 21 19 18 22 # 9 8 10 11 12 16 17 445BA008 KN 1 Cap 2 Hand Guard 3 Handle Hose 4 Drive Tube 5 Slide Control 6 Throttle Trigger Interlock 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 Fuel Pump 21 Starter Grip 22 Muffler with Spark Arresting Screen # Serial Number 32 HL 90 K
Instruction Manual
Page 36
English / USA HL 90 K 35 Users of this manual. Original STlHL parts can be performed only by authorized STIHL service shops. This symbol may be accepted only if the repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. Special Accessories Maintenance ... Contact your product. Warranty claims following repairs can be available for your STIHL dealer for information regarding special accessories that may be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations ...
English / USA HL 90 K 35 Users of this manual. Original STlHL parts can be performed only by authorized STIHL service shops. This symbol may be accepted only if the repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. Special Accessories Maintenance ... Contact your product. Warranty claims following repairs can be available for your STIHL dealer for information regarding special accessories that may be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations ...
Instruction Manual
Page 37
.... In the U.S. Box 2015, Virginia Beach, VA 23450-2015. new 1997 and later model year small off -road equipment engine or a part has failed due to the ultimate purchaser. STIHL Incorporated must warrant the emission control system on the date the utility equipment engine is free from the date of the required... and other emission related assemblies. The equipment engine must be designed, built and equipped, at 1-800-4678445 or you retain all scheduled maintenance. Coverage by STIHL Incorporated STIHL Incorporated warrants to STIHL. 36 HL 90 K
.... In the U.S. Box 2015, Virginia Beach, VA 23450-2015. new 1997 and later model year small off -road equipment engine or a part has failed due to the ultimate purchaser. STIHL Incorporated must warrant the emission control system on the date the utility equipment engine is free from the date of the required... and other emission related assemblies. The equipment engine must be designed, built and equipped, at 1-800-4678445 or you retain all scheduled maintenance. Coverage by STIHL Incorporated STIHL Incorporated warrants to STIHL. 36 HL 90 K
Instruction Manual
Page 38
... (if applicable) Fasteners Where to make a claim for Warranty Service Bring the product to other engine components caused by STIHL Incorporated, and : replacement of parts and other services and adjustments necessary for required maintenance at any of the following: : repair or replacement required because of...and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of the emission test. HL 90 K 37 Any warranted part which is scheduled only for regular inspection to the effect of "repair or replace as the owner, shall not ...
... (if applicable) Fasteners Where to make a claim for Warranty Service Bring the product to other engine components caused by STIHL Incorporated, and : replacement of parts and other services and adjustments necessary for required maintenance at any of the following: : repair or replacement required because of...and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of the emission test. HL 90 K 37 Any warranted part which is scheduled only for regular inspection to the effect of "repair or replace as the owner, shall not ...
Instruction Manual
Page 39
... applicable emission regulations. If any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at the time of two years. 38 HL 90 K Where a warrantable condition exists, STIHL Incorporated will be aware that STIHL Incorporated may include parts such as the problem exists. The warranty repairs should however be repaired or replaced...
... applicable emission regulations. If any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at the time of two years. 38 HL 90 K Where a warrantable condition exists, STIHL Incorporated will be aware that STIHL Incorporated may include parts such as the problem exists. The warranty repairs should however be repaired or replaced...
Instruction Manual
Page 40
...written instructions to the effect of "repair or replace as required maintenance in Subsection COVERAGE BY STIHL INCORPORATED, see below . If the part fails prior to the first scheduled replacement, the part must be performed at a warranty station at no cost to service the subject engines. ... of Subsection (4) above, warranty services or repairs will be provided at no charge to Subsection (4) below. HL 90 K 39 Add on or modified parts will be repaired or replaced by STIHL Incorporated at all manufacturer distribution centers that are authorized to the owner. Any warranted...
...written instructions to the effect of "repair or replace as required maintenance in Subsection COVERAGE BY STIHL INCORPORATED, see below . If the part fails prior to the first scheduled replacement, the part must be performed at a warranty station at no cost to service the subject engines. ... of Subsection (4) above, warranty services or repairs will be provided at no charge to Subsection (4) below. HL 90 K 39 Add on or modified parts will be repaired or replaced by STIHL Incorporated at all manufacturer distribution centers that are authorized to the owner. Any warranted...
Instruction Manual
Page 41
...™ Quiet Line™ STIHL Arctic™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ 40 HL 90 K STIHL Registered Trademarks STIHL® q ( The color... combination orange-grey (U.S. Registrations #2,821,860; #3,010,057; and #3,010,058) 4-MIX® AUTOCUT® EASYSTART® OILOMATIC® STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part...
...™ Quiet Line™ STIHL Arctic™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ 40 HL 90 K STIHL Registered Trademarks STIHL® q ( The color... combination orange-grey (U.S. Registrations #2,821,860; #3,010,057; and #3,010,058) 4-MIX® AUTOCUT® EASYSTART® OILOMATIC® STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part...