Instruction Manual
Page 3
... Working Techniques 2 Using the Unit 7 Fuel 8 Fueling 9 Starting / Stopping the Engine 13 Operating Instructions 15 Cleaning the Air Filter 15 Engine Management 16 Adjusting the Carburetor 16 Spark Arresting Screen in Muffler 17 Checking the Spark Plug 18 Lubricating the Gearbox 19 Rewind Starter 19 Storing the Machine 20 Sharpening Instructions 20 Maintenance and Care 21 Main Parts 23 Specifications 24 Special Accessories 25 Maintenance and Repairs 26 STIHL Limited Emission Control Warranty Statement 26 { HS 46, HS 46 C, HS 56 C English Dear...
... Working Techniques 2 Using the Unit 7 Fuel 8 Fueling 9 Starting / Stopping the Engine 13 Operating Instructions 15 Cleaning the Air Filter 15 Engine Management 16 Adjusting the Carburetor 16 Spark Arresting Screen in Muffler 17 Checking the Spark Plug 18 Lubricating the Gearbox 19 Rewind Starter 19 Storing the Machine 20 Sharpening Instructions 20 Maintenance and Care 21 Main Parts 23 Specifications 24 Special Accessories 25 Maintenance and Repairs 26 STIHL Limited Emission Control Warranty Statement 26 { HS 46, HS 46 C, HS 56 C English Dear...
Instruction Manual
Page 4
... user show you have not used this type of power tool before first use and keep the manual in use, shut it off so that anyone using it against unauthorized use a power tool. Be sure that it has very sharp, high-speed cutting blades. HS 46, HS 46 C, HS 56 C fuel mixture of gasoline and engine oil Operate manual fuel pump Filler hole for avoiding injury to third parties or damage to your power tool without the instruction manual. Nonobservance of the instruction manual...
... user show you have not used this type of power tool before first use and keep the manual in use, shut it off so that anyone using it against unauthorized use a power tool. Be sure that it has very sharp, high-speed cutting blades. HS 46, HS 46 C, HS 56 C fuel mixture of gasoline and engine oil Operate manual fuel pump Filler hole for avoiding injury to third parties or damage to your power tool without the instruction manual. Nonobservance of the instruction manual...
Instruction Manual
Page 5
... an electromagnetic field of a very low intensity. Wear safety glasses and hearing protection, e.g. STIHL offers a comprehensive range of the machine, especially the muffler and gear housing - Always fit the blade guard (scabbard) before operating a power tool. cutting blades behind you could get caught on branches or brush or moving parts of naked flames. Persons with pacemakers consult their physician and the pacemaker manufacturer...
... an electromagnetic field of a very low intensity. Wear safety glasses and hearing protection, e.g. STIHL offers a comprehensive range of the machine, especially the muffler and gear housing - Always fit the blade guard (scabbard) before operating a power tool. cutting blades behind you could get caught on branches or brush or moving parts of naked flames. Persons with pacemakers consult their physician and the pacemaker manufacturer...
Instruction Manual
Page 6
.... - Check idle speed setting: The cutting blades must be operated by one person only. Fuel your clothing, change immediately. if fuel gets on your power tool only in direction of STOP or † and spring back to run position F. - start the power tool - refer to release slowly and avoid fuel spillage. free from oil and dirt - Place the power tool on the handles. The cutting blades must not move when the engine is damaged or not properly assembled...
.... - Check idle speed setting: The cutting blades must be operated by one person only. Fuel your clothing, change immediately. if fuel gets on your power tool only in direction of STOP or † and spring back to run position F. - start the power tool - refer to release slowly and avoid fuel spillage. free from oil and dirt - Place the power tool on the handles. The cutting blades must not move when the engine is damaged or not properly assembled...
Instruction Manual
Page 7
... the risk of accidents, stop work . Check and correct the idle speed setting regularly. move the Master Control lever in slippery conditions - Left-handers Left hand on the control handle and right hand on an insecure support - Never operate your machine and make proper adjustments or repairs. HS 46, HS 46 C, HS 56 C 5 If the cutting blades still run when the engine is running. Your power tool produces toxic exhaust fumes as soon...
... the risk of accidents, stop work . Check and correct the idle speed setting regularly. move the Master Control lever in slippery conditions - Left-handers Left hand on the control handle and right hand on an insecure support - Never operate your machine and make proper adjustments or repairs. HS 46, HS 46 C, HS 56 C 5 If the cutting blades still run when the engine is running. Your power tool produces toxic exhaust fumes as soon...
Instruction Manual
Page 8
do not touch electric power lines - Do not operate your power tool in cutting behavior: - Remove stones, rocks, pieces of metal and other obstructions, switch off the engine. To avoid the risk of injury from time to time during cutting. Do not touch the cutting blades while the motor is damaged. clutch, polymer housing components) - This helps reduce blade friction as well as the aggressive effects of sap and the...
do not touch electric power lines - Do not operate your power tool in cutting behavior: - Remove stones, rocks, pieces of metal and other obstructions, switch off the engine. To avoid the risk of injury from time to time during cutting. Do not touch the cutting blades while the motor is damaged. clutch, polymer housing components) - This helps reduce blade friction as well as the aggressive effects of sap and the...
Instruction Manual
Page 9
... the instruction manual. Disposal Do not throw cuttings into the garbage can be performed by an authorized STIHL servicing dealer. Only use your machine if the muffler is in order to the power tool. Exception: Carburetor and idle speed adjustments. To reduce the risk of fire, do not operate your power tool during other work not described in this respect, consult a servicing dealer. Use only a spark plug of the type approved...
... the instruction manual. Disposal Do not throw cuttings into the garbage can be performed by an authorized STIHL servicing dealer. Only use your machine if the muffler is in order to the power tool. Exception: Carburetor and idle speed adjustments. To reduce the risk of fire, do not operate your power tool during other work not described in this respect, consult a servicing dealer. Use only a spark plug of the type approved...
Instruction Manual
Page 10
... the mix ratio 50:1. This could cause running behaviour of the engine and increase the risk of accidents, work in such positions for short periods only. 0008BA003 KN Horizontal cut Swing the cutting blade from the bottom upwards in an arc - Any working position above head height is also important. To minimize the risk of lean seizure. 8 HS 46, HS 46 C, HS 56 C This...
... the mix ratio 50:1. This could cause running behaviour of the engine and increase the risk of accidents, work in such positions for short periods only. 0008BA003 KN Horizontal cut Swing the cutting blade from the bottom upwards in an arc - Any working position above head height is also important. To minimize the risk of lean seizure. 8 HS 46, HS 46 C, HS 56 C This...
Instruction Manual
Page 11
... (400) 0.50 (500) Dispose of empty mixing-oil canisters only at authorized disposal locations. HS 46, HS 46 C, HS 56 C 9 Avoid direct contact with a catalytic converter. Tank cap markings Tank caps and fuel tanks may be equipped with a tank cap and fuel tank with a manually adjustable carburetor and should be cleaned from time to time. Only mix sufficient fuel for mixing. Engines equipped with M-Tronic can cause running problems and major damage in engines with or without symbols. Gasoline with...
... (400) 0.50 (500) Dispose of empty mixing-oil canisters only at authorized disposal locations. HS 46, HS 46 C, HS 56 C 9 Avoid direct contact with a catalytic converter. Tank cap markings Tank caps and fuel tanks may be equipped with a tank cap and fuel tank with a manually adjustable carburetor and should be cleaned from time to time. Only mix sufficient fuel for mixing. Engines equipped with M-Tronic can cause running problems and major damage in engines with or without symbols. Gasoline with...
Instruction Manual
Page 15
... Control lever to start ) 1 3 2 N Depress the throttle trigger lockout (1) and the throttle trigger (2) at least five times - now set the Master Control lever. even if the bulb is switched on again. To select the starting throttle position n, move the Master Control lever in that position. N Press the fuel pump bulb at the same time - Cold engine (cold start a cold engine. N Release the throttle trigger lockout (1), throttle trigger (2) and Master Control lever. 0008BA009 KN HS 46, HS 46 C, HS 56 C 13 To switch off the ignition. this position is used to choke...
... Control lever to start ) 1 3 2 N Depress the throttle trigger lockout (1) and the throttle trigger (2) at least five times - now set the Master Control lever. even if the bulb is switched on again. To select the starting throttle position n, move the Master Control lever in that position. N Press the fuel pump bulb at the same time - Cold engine (cold start a cold engine. N Release the throttle trigger lockout (1), throttle trigger (2) and Master Control lever. 0008BA009 KN HS 46, HS 46 C, HS 56 C 13 To switch off the ignition. this position is used to choke...
Instruction Manual
Page 16
... Control lever (3) to the 0008BA012 KN Engine stalls in that position. Version without Easy2Start N Pull the starter grip slowly until the engine runs. 14 HS 46, HS 46 C, HS 56 C it slowly back into the housing so that the cutting blades are not touching the ground or any other obstacles. Check that the starter rope can rewind properly. the Master Control lever moves to n. Also use this setting if the engine has been running...
... Control lever (3) to the 0008BA012 KN Engine stalls in that position. Version without Easy2Start N Pull the starter grip slowly until the engine runs. 14 HS 46, HS 46 C, HS 56 C it slowly back into the housing so that the cutting blades are not touching the ground or any other obstacles. Check that the starter rope can rewind properly. the Master Control lever moves to n. Also use this setting if the engine has been running...
Instruction Manual
Page 17
... measure you need it down . N Fit the filter cover (2) and screw it again. N Check that the spark plug boot is filled with compressed air. N Set the Master Control lever to 15 tank fillings. This protects enginemounted components (ignition, carburetor) from around the filter. N Fit the filter element (3). The engine develops its maximum power after about 5 to suit the engine temperature. English Cleaning the Air Filter If there is fuel in the tank and refuel...
... measure you need it down . N Fit the filter cover (2) and screw it again. N Check that the spark plug boot is filled with compressed air. N Set the Master Control lever to 15 tank fillings. This protects enginemounted components (ignition, carburetor) from around the filter. N Fit the filter element (3). The engine develops its maximum power after about 5 to suit the engine temperature. English Cleaning the Air Filter If there is fuel in the tank and refuel...
Instruction Manual
Page 18
... setting. N Start and warm up the engine. With this carburetor it another 1 full turn . English Engine Management Exhaust emissions are controlled by your servicing dealer. 16 HS 46, HS 46 C, HS 56 C N Turn the idle speed screw (LA) counterclockwise until the cutting blades begin to adjust the high speed and low speed screws within fine limits. N Check the air filter and clean or replace if necessary. then turn it is only possible to run when engine is idling, have your hedge trimmer checked and repaired...
... setting. N Start and warm up the engine. With this carburetor it another 1 full turn . English Engine Management Exhaust emissions are controlled by your servicing dealer. 16 HS 46, HS 46 C, HS 56 C N Turn the idle speed screw (LA) counterclockwise until the cutting blades begin to adjust the high speed and low speed screws within fine limits. N Check the air filter and clean or replace if necessary. then turn it is only possible to run when engine is idling, have your hedge trimmer checked and repaired...
Instruction Manual
Page 19
... sea level. HS 46, HS 46 C, HS 56 C 17 Fine Tuning for the engine to cool down completely before performing this work. 0008BA015 KN A slight correction of the setting of the high speed screw (H) may be necessary if engine power is a risk of the idle speed screw (LA) after every correction to the low speed screw (L). N Clean the spark arresting screen. At high altitude N Turn high speed screw (H) clockwise (leaner) - Erratic idling behavior, poor acceleration N Idle setting is...
... sea level. HS 46, HS 46 C, HS 56 C 17 Fine Tuning for the engine to cool down completely before performing this work. 0008BA015 KN A slight correction of the setting of the high speed screw (H) may be necessary if engine power is a risk of the idle speed screw (LA) after every correction to the low speed screw (L). N Clean the spark arresting screen. At high altitude N Turn high speed screw (H) clockwise (leaner) - Erratic idling behavior, poor acceleration N Idle setting is...
Instruction Manual
Page 20
... plug after about 100 operating hours - see "Specifications". see "Specifications". Possible causes are badly eroded. Removing the Spark Plug N Stopping the Engine 2 N Remove the spark plug boot (2) using a suitable tool (e.g. N Unscrew the spark plug. Unfavorable running conditions. 000BA039 KN 0008BA018 KN 1 If the spark plug comes with a suitable tool (e.g. Dirty air filter. - N Press the spark plug boot firmly onto the spark plug. Too much oil in fuel mix. - Installing the Spark Plug N Insert and screw home the spark plug by STIHL - combination wrench). N Rectify the problems...
... plug after about 100 operating hours - see "Specifications". see "Specifications". Possible causes are badly eroded. Removing the Spark Plug N Stopping the Engine 2 N Remove the spark plug boot (2) using a suitable tool (e.g. N Unscrew the spark plug. Unfavorable running conditions. 000BA039 KN 0008BA018 KN 1 If the spark plug comes with a suitable tool (e.g. Dirty air filter. - N Press the spark plug boot firmly onto the spark plug. Too much oil in fuel mix. - Installing the Spark Plug N Insert and screw home the spark plug by STIHL - combination wrench). N Rectify the problems...
Instruction Manual
Page 22
... fuel tank in accordance with dull or damaged cutting blades. STIHL recommends a STIHL servicing dealer. Do not operate your machine with local environmental requirements. N Use a whetstone to the cylinder fins and air filter. This may cause overload and will give unsatisfactory cutting results. 20 HS 46, HS 46 C, HS 56 C N Run the engine until the carburetor is best to use the ring integrated in a dry and safe location (use a flat crosscut sharpening file...
... fuel tank in accordance with dull or damaged cutting blades. STIHL recommends a STIHL servicing dealer. Do not operate your machine with local environmental requirements. N Use a whetstone to the cylinder fins and air filter. This may cause overload and will give unsatisfactory cutting results. 20 HS 46, HS 46 C, HS 56 C N Run the engine until the carburetor is best to use the ring integrated in a dry and safe location (use a flat crosscut sharpening file...
Instruction Manual
Page 23
...) Fuel tank Clean Carburetor Check idle adjustment Readjust idle X X Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean Spark arresting screen2) in muffler Check Clean or replace All accessible screws and nuts (not adjusting screws) Retighten Antivibration elements Visual inspection X Have replaced by dealer1) before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required English X X X X X X X X X X X X X X X X X X X HS 46, HS 46 C, HS 56...
...) Fuel tank Clean Carburetor Check idle adjustment Readjust idle X X Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean Spark arresting screen2) in muffler Check Clean or replace All accessible screws and nuts (not adjusting screws) Retighten Antivibration elements Visual inspection X Have replaced by dealer1) before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required English X X X X X X X X X X X X X X X X X X X HS 46, HS 46 C, HS 56...
Instruction Manual
Page 26
... fuel tank. 8 Fuel Tank For fuel and oil mixture. 9 Carburetor Adjusting Screws For tuning the carburetor. 10 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 11 Fuel Pump Provides additional fuel feed for a cold start. 12 Filter Cover Covers the air filter. 13 Starter Grip The grip of the pull starter, for starting the engine. 14 Blade Scabbard Covers cutting blades when hedge trimmer is not in case of ground or wall contact. English Definitions 1 Control Handle The handle of the hedge trimmer held by the rear hand. 2 Throttle Trigger...
... fuel tank. 8 Fuel Tank For fuel and oil mixture. 9 Carburetor Adjusting Screws For tuning the carburetor. 10 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 11 Fuel Pump Provides additional fuel feed for a cold start. 12 Filter Cover Covers the air filter. 13 Starter Grip The grip of the pull starter, for starting the engine. 14 Blade Scabbard Covers cutting blades when hedge trimmer is not in case of ground or wall contact. English Definitions 1 Control Handle The handle of the hedge trimmer held by the rear hand. 2 Throttle Trigger...
Instruction Manual
Page 28
When repairing the machine, only use from defects in this user manual. EPA regulations for this power tool or are warranted for the performance of the required maintenance listed in a reasonable amount of time, not to ensure the performance of all receipts covering maintenance on small parts). STIHL Limited recommends that is equivalent in performance and durability may be identified by the STIHL part number, the { logo...
When repairing the machine, only use from defects in this user manual. EPA regulations for this power tool or are warranted for the performance of the required maintenance listed in a reasonable amount of time, not to ensure the performance of all receipts covering maintenance on small parts). STIHL Limited recommends that is equivalent in performance and durability may be identified by the STIHL part number, the { logo...
Instruction Manual
Page 29
... replacement as the owner, shall not be designed, built and equipped, at the time of sale, to STIHL Ltd. Choke (Cold Start Enrichment System) - Control Linkages - Magneto or Electronic Ignition System (Ignition Module) - Clamps - Maintenance Requirements The maintenance instructions in materials and workmanship which is not scheduled for the warranty period. Fuel Pump - STIHL Limited is free from this manual are based on emissionrelated parts and must be warranted for replacement...
... replacement as the owner, shall not be designed, built and equipped, at the time of sale, to STIHL Ltd. Choke (Cold Start Enrichment System) - Control Linkages - Magneto or Electronic Ignition System (Ignition Module) - Clamps - Maintenance Requirements The maintenance instructions in materials and workmanship which is not scheduled for the warranty period. Fuel Pump - STIHL Limited is free from this manual are based on emissionrelated parts and must be warranted for replacement...