Instruction Manual
Page 2
... and assistance. 1 Contact your hedge trimmer differs from those described in Muffler 17 Checking the Spark Plug 18 Lubricating Gearbox 19 Replacing the Starter Rope and Rewind Spring 19 Storing the Machine 22 Sharpening Instructions 22 Maintenance Chart 23 Parts and Controls 24 Specifications 26 Special Accessories 27 Maintenance and Repairs 27 STIHL Incorporated Federal and California Emission Control Warranty Statement 28 STIHl HS 75, HS 80 English / USA Allow only persons who...
... and assistance. 1 Contact your hedge trimmer differs from those described in Muffler 17 Checking the Spark Plug 18 Lubricating Gearbox 19 Replacing the Starter Rope and Rewind Spring 19 Storing the Machine 22 Sharpening Instructions 22 Maintenance Chart 23 Parts and Controls 24 Specifications 26 Special Accessories 27 Maintenance and Repairs 27 STIHL Incorporated Federal and California Emission Control Warranty Statement 28 STIHl HS 75, HS 80 English / USA Allow only persons who...
Instruction Manual
Page 4
..., it will cut you how to use of your STIHL dealer show you . the operator 2. The operator is a high-speed, fast-cutting power tool, special safety precautions must be observed to reduce the risk of personal injury. Safety Precautions English / USA Because a hedge trimmer is responsible for a description of the controls and function of the parts of your model hedge trimmer. Have your owner's manual for avoiding...
..., it will cut you how to use of your STIHL dealer show you . the operator 2. The operator is a high-speed, fast-cutting power tool, special safety precautions must be observed to reduce the risk of personal injury. Safety Precautions English / USA Because a hedge trimmer is responsible for a description of the controls and function of the parts of your model hedge trimmer. Have your owner's manual for avoiding...
Instruction Manual
Page 6
... engine idle speed is a danger of injury to the hedge trimmer. 366BA001 LÄ HS 75, HS 80 5 When transporting your hands. Protect your head when there is important in hedge trimmer work. Wear sturdy boots with gloves when handling the hedge trimmer and the cutting tool. Although certain unauthorized attachments are recommended. Grip the front handle and keep the cutter blades behind you. Always switch off the engine...
... engine idle speed is a danger of injury to the hedge trimmer. 366BA001 LÄ HS 75, HS 80 5 When transporting your hands. Protect your head when there is important in hedge trimmer work. Wear sturdy boots with gloves when handling the hedge trimmer and the cutting tool. Although certain unauthorized attachments are recommended. Grip the front handle and keep the cutter blades behind you. Always switch off the engine...
Instruction Manual
Page 7
..., remove the fuel filler cap on your clothing. Always check your clothing immediately. Always spray the cutter blades with STIHL resin solvent before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting tool and starting the engine. In order to reduce the risk of safety devices can always maintain a firm grip and safely control your owner's manual). !Warning! Always keep them free of the tank. Fueling Instructions Fuel your hedge trimmer and check for...
..., remove the fuel filler cap on your clothing. Always check your clothing immediately. Always spray the cutter blades with STIHL resin solvent before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting tool and starting the engine. In order to reduce the risk of safety devices can always maintain a firm grip and safely control your owner's manual). !Warning! Always keep them free of the tank. Fueling Instructions Fuel your hedge trimmer and check for...
Instruction Manual
Page 9
... used only for maintenance and repair. Follow the maintenance and repair instructions in a tree or any hedge trimmer with one hand. Loss of control of this manual. 8 HS 75, HS 80 For directions to the maintenance chart at the last pages of the hedge trimmer resulting in your owner's manual. If you always have your STIHL dealer check your hedge trimmer firmly with incorrect idle adjustment. Use of control or contact with the running cutting blades...
... used only for maintenance and repair. Follow the maintenance and repair instructions in a tree or any hedge trimmer with one hand. Loss of control of this manual. 8 HS 75, HS 80 For directions to the maintenance chart at the last pages of the hedge trimmer resulting in your owner's manual. If you always have your STIHL dealer check your hedge trimmer firmly with incorrect idle adjustment. Use of control or contact with the running cutting blades...
Instruction Manual
Page 10
... operate your hedge trimmer if the screen is damaged, missing or modified. An aerosol can of fire and hearing loss. If your STIHL service shop only. !Warning Never repair damaged cutting attachments by STIHL. Keep the engine and muffler free from spark plug or with a spark-arresting screen to come off the machine after work . Check condition of the proper size. (Note: If terminal has detachable SAE adapter nut...
... operate your hedge trimmer if the screen is damaged, missing or modified. An aerosol can of fire and hearing loss. If your STIHL service shop only. !Warning Never repair damaged cutting attachments by STIHL. Keep the engine and muffler free from spark plug or with a spark-arresting screen to come off the machine after work . Check condition of the proper size. (Note: If terminal has detachable SAE adapter nut...
Instruction Manual
Page 11
Keep spark plug and wire connection tight and clean. Use lopping shears to the warranty statement near the end of this manual. Cut both sides of the cutting blade. 366BA024 KN 10 HS 75, HS 80 The spark plug electrode gap should be injured. Cutting season Observe all nuts, bolts and screws except the carburetor adjustment screws after each use your hedge trimmer during other people's rest periods. Do not use . Tighten all country-specific and local regulations and...
Keep spark plug and wire connection tight and clean. Use lopping shears to the warranty statement near the end of this manual. Cut both sides of the cutting blade. 366BA024 KN 10 HS 75, HS 80 The spark plug electrode gap should be injured. Cutting season Observe all nuts, bolts and screws except the carburetor adjustment screws after each use your hedge trimmer during other people's rest periods. Do not use . Tighten all country-specific and local regulations and...
Instruction Manual
Page 12
... detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as well. This could cause running problems or even damage the engine. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that the cuttings are sitting in air cooled two-cycle engines. When filling at a mix ratio of high-quality gasoline and quality two-stroke air cooled engine oil. The canister should...
... detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as well. This could cause running problems or even damage the engine. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that the cuttings are sitting in air cooled two-cycle engines. When filling at a mix ratio of high-quality gasoline and quality two-stroke air cooled engine oil. The canister should...
Instruction Manual
Page 15
... it down to idle speed. : Move the blade lock lever to O. Fuel tank run position # and the engine settles down firmly). : Set slide control to # : Set choke lever to idle speed. : Open the throttle part way and warm up . English / USA : Put the unit on the front handle and press it might otherwise break. : Do not let the starter grip snap back - Make sure it is cold. : Now start the engine. 14 HS 75, HS 80
... it down to idle speed. : Move the blade lock lever to O. Fuel tank run position # and the engine settles down firmly). : Set slide control to # : Set choke lever to idle speed. : Open the throttle part way and warm up . English / USA : Put the unit on the front handle and press it might otherwise break. : Do not let the starter grip snap back - Make sure it is cold. : Now start the engine. 14 HS 75, HS 80
Instruction Manual
Page 16
... adjusting screws) at idle speed so that it snaps into position. 355BA031 KN HS 75, HS 80 15 Replace damaged parts. : Install the foam element (3) in the filter cover (2). : Place felt element (4) (lettering facing inward) in filter housing (5). : Fit filter cover so that the heat in the engine can knock it out on the palm of your hand or blow it away. : Clean away loose dirt from thermal overload. Operating Instructions Cleaning...
... adjusting screws) at idle speed so that it snaps into position. 355BA031 KN HS 75, HS 80 15 Replace damaged parts. : Install the foam element (3) in the filter cover (2). : Place felt element (4) (lettering facing inward) in filter housing (5). : Fit filter cover so that the heat in the engine can knock it out on the palm of your hand or blow it away. : Clean away loose dirt from thermal overload. Operating Instructions Cleaning...
Instruction Manual
Page 17
... fuel-air mixture under most operating conditions. The carburetor is not necessary. carburation, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. Idling and part-load emissions are controlled by limiting the idle mixture. : Check the cutting blades and clean if necessary (they must be clean, move freely and not be bent or warped). : Check the air filter and clean it one turn counterclockwise (standard setting, L = 1). 16 HS 75, HS 80...
... fuel-air mixture under most operating conditions. The carburetor is not necessary. carburation, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. Idling and part-load emissions are controlled by limiting the idle mixture. : Check the cutting blades and clean if necessary (they must be clean, move freely and not be bent or warped). : Check the air filter and clean it one turn counterclockwise (standard setting, L = 1). 16 HS 75, HS 80...
Instruction Manual
Page 18
Take out the screw (1). : Remove the spark arresting screen (2). 366BA027 KN 366BA026 KN : Clean spark arresting screen if necessary. : If screen is low on power, check the spark arresting screen* inside the muffler. Warning: Wait for the engine to Using this work. : Remove the shroud. Spark Arresting Screen in Muffler English / USA Adjusting Idle Speed Engine stops while idling: Check standard setting. (L screw must be one turn open ) : Turn idle speed screw (LA) slowly counterclockwise until the cutting blades start running at idle speed and turn the screw about another one...
Take out the screw (1). : Remove the spark arresting screen (2). 366BA027 KN 366BA026 KN : Clean spark arresting screen if necessary. : If screen is low on power, check the spark arresting screen* inside the muffler. Warning: Wait for the engine to Using this work. : Remove the shroud. Spark Arresting Screen in Muffler English / USA Adjusting Idle Speed Engine stops while idling: Check standard setting. (L screw must be one turn open ) : Turn idle speed screw (LA) slowly counterclockwise until the cutting blades start running at idle speed and turn the screw about another one...
Instruction Manual
Page 19
... power, difficult to form on the insulator nose which have caused fouling of spark plug: : Too much engine oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the proper size. (Note: If terminal has detachable SAE adapter nut, it must be attached.) A loose connection between spark plug boot and ignition wire connector in operation. operating at idling speed, first check the spark plug. : Remove spark plug - English / USA Checking the Spark Plug...
... power, difficult to form on the insulator nose which have caused fouling of spark plug: : Too much engine oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the proper size. (Note: If terminal has detachable SAE adapter nut, it must be attached.) A loose connection between spark plug boot and ignition wire connector in operation. operating at idling speed, first check the spark plug. : Remove spark plug - English / USA Checking the Spark Plug...
Instruction Manual
Page 20
HS 75, HS 80 19 Lubricating Gearbox 1 2 Replacing the Starter Rope and Rewind Spring 1 3 2 1 1 English / USA 4 367BA021 KN 366BA018 KN 366BA028 KN Use STIHL gear lubricant for hedge trimmers (see "Specifications") to lubricate the blade drive gear about 3/4 oz (20 g) grease into the filler hole. : Roll up the end of grease (2) into the gearbox. : Refit screw plug and tighten securely. : Remove the screws (1). : Lift the starter cover (2) off the engine (3). : Take out the screw (4). : Remove the rope rotor...
HS 75, HS 80 19 Lubricating Gearbox 1 2 Replacing the Starter Rope and Rewind Spring 1 3 2 1 1 English / USA 4 367BA021 KN 366BA018 KN 366BA028 KN Use STIHL gear lubricant for hedge trimmers (see "Specifications") to lubricate the blade drive gear about 3/4 oz (20 g) grease into the filler hole. : Roll up the end of grease (2) into the gearbox. : Refit screw plug and tighten securely. : Remove the screws (1). : Lift the starter cover (2) off the engine (3). : Take out the screw (4). : Remove the rope rotor...
Instruction Manual
Page 23
... may cause overload and will give unsatisfactory cutting results. 22 HS 75, HS 80 English / USA Storing the Machine Sharpening Instructions For periods of children and other unauthorized persons. lift it off the cutting blades and lubricate with STIHL resin solvent. : Thoroughly clean the machine - out of the reach of about 3 months or longer : Drain and clean the fuel tank in a dry, high or locked location -
... may cause overload and will give unsatisfactory cutting results. 22 HS 75, HS 80 English / USA Storing the Machine Sharpening Instructions For periods of children and other unauthorized persons. lift it off the cutting blades and lubricate with STIHL resin solvent. : Thoroughly clean the machine - out of the reach of about 3 months or longer : Drain and clean the fuel tank in a dry, high or locked location -
Instruction Manual
Page 24
Complete machine Control handle Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cooling air intake Spark arresting screen in muffler All accessible screws and nuts (not adjusting screws) Cutting blades Gear lubrication Visual inspection (conditon, leaks) Clean Check operation Clean Replace Check* Replace* Clean Check idle setting Readjust idle Readjust electrode gap Visual inspection Clean Check* Clean* or replace* Tighten Clean Sharpen Check Top up X X X X X X X X X * STIHL Service HS 75, HS 80 before starting work after each refueling stop weekly monthly ...
Complete machine Control handle Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cooling air intake Spark arresting screen in muffler All accessible screws and nuts (not adjusting screws) Cutting blades Gear lubrication Visual inspection (conditon, leaks) Clean Check operation Clean Replace Check* Replace* Clean Check idle setting Readjust idle Readjust electrode gap Visual inspection Clean Check* Clean* or replace* Tighten Clean Sharpen Check Top up X X X X X X X X X * STIHL Service HS 75, HS 80 before starting work after each refueling stop weekly monthly ...
Instruction Manual
Page 26
... Definitions 1. Connects the spark plug with the ignition wire. 3. Blade Lock. Covers cutting blades when hedge trimmer is the device to prevent movement of the pull starter, which is not in use. 8. Shroud. The grip of cutting blades during starting. 4. Twist Lock. Fuel Pump. HS 75, HS 80 25 Cutting Blades. Filter Housing. Throttle Trigger. Choke Lever. Carburetor Adjustment Screws. Throttle Trigger Interlock. Lever for cutting hedges and shrubs. 7. Helps to start . Polymer housing which covers the air filter. 11. For gasoline and oil mixture. 15. Must be...
... Definitions 1. Connects the spark plug with the ignition wire. 3. Blade Lock. Covers cutting blades when hedge trimmer is the device to prevent movement of the pull starter, which is not in use. 8. Shroud. The grip of cutting blades during starting. 4. Twist Lock. Fuel Pump. HS 75, HS 80 25 Cutting Blades. Filter Housing. Throttle Trigger. Choke Lever. Carburetor Adjustment Screws. Throttle Trigger Interlock. Lever for cutting hedges and shrubs. 7. Helps to start . Polymer housing which covers the air filter. 11. For gasoline and oil mixture. 15. Must be...
Instruction Manual
Page 28
The user of this unit should carry out only the maintenance operations described in this manual. English / USA HS 75, HS 80 27 Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer. Original STlHL parts can be identified by the STIHL part number, the STIHl logo and the STlHL parts symbol (. Other repair work may appear alone on these...
The user of this unit should carry out only the maintenance operations described in this manual. English / USA HS 75, HS 80 27 Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer. Original STlHL parts can be identified by the STIHL part number, the STIHl logo and the STlHL parts symbol (. Other repair work may appear alone on these...
Instruction Manual
Page 29
... small off -road engines must warrant the emission control system on your owner's manual. In California, new small off -road equipment engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications. Also included may be designed, built and equipped, at the time of all applicable regulations. In other emission related assemblies. Any replacement part or service that your small off...
... small off -road engines must warrant the emission control system on your owner's manual. In California, new small off -road equipment engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications. Also included may be designed, built and equipped, at the time of all applicable regulations. In other emission related assemblies. Any replacement part or service that your small off...
Instruction Manual
Page 30
... in this recommendation regarding quality and mixing ratio of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Emission test may require shorter maintenance intervals. HS 75, HS 80 29 Any warranted part which is scheduled only for regular inspection to STIHL. The California Air Resources Board's Emission Warranty Parts List specifically defines the emission-related warranted parts. English / USA Warranty Period The warranty periods will begin on the date...
... in this recommendation regarding quality and mixing ratio of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Emission test may require shorter maintenance intervals. HS 75, HS 80 29 Any warranted part which is scheduled only for regular inspection to STIHL. The California Air Resources Board's Emission Warranty Parts List specifically defines the emission-related warranted parts. English / USA Warranty Period The warranty periods will begin on the date...