Instruction Manual
Page 2
... Starting / Stopping the Engine ........ 18 Cleaning the Air Filter 21 Motor Management 22 Adjusting the Carburetor 22 Spark Arresting Screen* in Muffler . 24 Checking the Spark Plug 24 Lubricating the Gearbox 25 Replacing the Starter Rope and Rewind Spring 26 Sharpening Instructions 29 Operating Instructions 29 Storing the Machine 29 Maintenance Chart 30 Parts and Controls 31 Definitions 32 Specifications 33 Maintenance and Repairs 34 STIHL Incorporated Federal and California Emission Control Warranty Statement 35 * see "Guide to time. C3. Contact your STIHL...
... Starting / Stopping the Engine ........ 18 Cleaning the Air Filter 21 Motor Management 22 Adjusting the Carburetor 22 Spark Arresting Screen* in Muffler . 24 Checking the Spark Plug 24 Lubricating the Gearbox 25 Replacing the Starter Rope and Rewind Spring 26 Sharpening Instructions 29 Operating Instructions 29 Storing the Machine 29 Maintenance Chart 30 Parts and Controls 31 Definitions 32 Specifications 33 Maintenance and Repairs 34 STIHL Incorporated Federal and California Emission Control Warranty Statement 35 * see "Guide to time. C3. Contact your STIHL...
Instruction Manual
Page 3
... your machine differ from time to time. Note or hint on correct procedure in this manual. 2 HL 75, HL 75 K As a result, engineering changes and improvements are supported by illustrations. If the operating characteristics or the appearance of its products. Example: Loosen the screw (1) Lever (2) ... The operating and handling instructions are made from those described in the illustration. In addition to the operating instructions, this manual may be responsible...
... your machine differ from time to time. Note or hint on correct procedure in this manual. 2 HL 75, HL 75 K As a result, engineering changes and improvements are supported by illustrations. If the operating characteristics or the appearance of its products. Example: Loosen the screw (1) Lever (2) ... The operating and handling instructions are made from those described in the illustration. In addition to the operating instructions, this manual may be responsible...
Instruction Manual
Page 6
... respect. The throttle trigger must be extremely dangerous. with the cutter blades running. Never remove or disable any way. Grip the shaft in a manner that is important in a horizontal position. When transporting your body and the cutting attachment behind you. 389BA019 KN Always switch off the engine and make sure the cutting attachment has stopped before starting, particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. USE OF THE...
... respect. The throttle trigger must be extremely dangerous. with the cutter blades running. Never remove or disable any way. Grip the shaft in a manner that is important in a horizontal position. When transporting your body and the cutting attachment behind you. 389BA019 KN Always switch off the engine and make sure the cutting attachment has stopped before starting, particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. USE OF THE...
Instruction Manual
Page 7
..., tighten fuel cap by a spark or other personal injury from the fueling spot before using the hedge cutter. Unit vibrations can always maintain a firm grip and safely control your clothing immediately. In order to reduce risk of fuel. English / USA Service damaged cutter blades before starting the engine. Never remove fuel filler cap while engine is particularly important to keep blades sharp. Fueling Instructions Fuel your owner's manual). !Warning! Stihl recommends that...
..., tighten fuel cap by a spark or other personal injury from the fueling spot before using the hedge cutter. Unit vibrations can always maintain a firm grip and safely control your clothing immediately. In order to reduce risk of fuel. English / USA Service damaged cutter blades before starting the engine. Never remove fuel filler cap while engine is particularly important to keep blades sharp. Fueling Instructions Fuel your owner's manual). !Warning! Stihl recommends that...
Instruction Manual
Page 8
... not cool down in the upright position and never locate it is near dry brush, grass, wood chips or other solid surface in the muffler. HL 75, HL 75 K 7 Maintain good balance and secure footing. !Warning! Your hedge cutter is shut off. When the engine starts at least 15 m (50 ft) away. 389BA023 KN For specific starting instructions, see the appropriate section of the...
... not cool down in the upright position and never locate it is near dry brush, grass, wood chips or other solid surface in the muffler. HL 75, HL 75 K 7 Maintain good balance and secure footing. !Warning! Your hedge cutter is shut off. When the engine starts at least 15 m (50 ft) away. 389BA023 KN For specific starting instructions, see the appropriate section of the...
Instruction Manual
Page 9
... on un-even ground. Be careful on slopes. An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. Never disassemble or modify your muffler serviced and repaired by a STIHL Servicing Dealer. Working Conditions Do not operate using the starting throttle lock as pine needles, branches or leaves. !Warning! To reduce the risk of fire or...
... on un-even ground. Be careful on slopes. An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. Never disassemble or modify your muffler serviced and repaired by a STIHL Servicing Dealer. Working Conditions Do not operate using the starting throttle lock as pine needles, branches or leaves. !Warning! To reduce the risk of fire or...
Instruction Manual
Page 10
... obstructed check backside of control, never work on for the operations described in a tree or any other insecure support. !Warning! The hedge cutter is released (flywheel effect). Operating instructions Do not cut any adjustments. This also applies to free the blades. !Warning! To avoid the risk of burn injury, do not touch the gearbox housing. !Warning! On units with an adjustable cutter bar...
... obstructed check backside of control, never work on for the operations described in a tree or any other insecure support. !Warning! The hedge cutter is released (flywheel effect). Operating instructions Do not cut any adjustments. This also applies to free the blades. !Warning! To avoid the risk of burn injury, do not touch the gearbox housing. !Warning! On units with an adjustable cutter bar...
Instruction Manual
Page 11
... repair instructions in the appropriate section of the cutting tool to come off and result in serious or fatal injuries. 10 HL 75, HL 75 K Always stop the engine and make proper adjustments or repairs. This may deny warranty. If you claim warranty for maintenance and repair. Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may cause parts of your owner's manual...
... repair instructions in the appropriate section of the cutting tool to come off and result in serious or fatal injuries. 10 HL 75, HL 75 K Always stop the engine and make proper adjustments or repairs. This may deny warranty. If you claim warranty for maintenance and repair. Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may cause parts of your owner's manual...
Instruction Manual
Page 12
... not operate your hedge cutter if the screen is evenly distributed over the blades. Use the specified spark plug and make sure it and the ignition lead are badly pitted. The spark plug electrode gap should be checked with a spark-arresting screen to the warranty statement near the end of children. in a dry and high or locked location out of reach of this manual. Before storing for cleaning! Keep cutting tool...
... not operate your hedge cutter if the screen is evenly distributed over the blades. Use the specified spark plug and make sure it and the ignition lead are badly pitted. The spark plug electrode gap should be checked with a spark-arresting screen to the warranty statement near the end of children. in a dry and high or locked location out of reach of this manual. Before storing for cleaning! Keep cutting tool...
Instruction Manual
Page 16
... two-stroke engine oil with the classification TC. This, in preignition (causing "pinging") which is also important. Set angle of adjustable cutter bar to operate on unleaded gasoline and with a lower octane rating may result in turn, increases the risk of the hedge, e.g. Fuel with the mix ratio 50:1. This engine is certified to maximum so that you use premium unleaded fuel. Use regular...
... two-stroke engine oil with the classification TC. This, in preignition (causing "pinging") which is also important. Set angle of adjustable cutter bar to operate on unleaded gasoline and with a lower octane rating may result in turn, increases the risk of the hedge, e.g. Fuel with the mix ratio 50:1. This engine is certified to maximum so that you use premium unleaded fuel. Use regular...
Instruction Manual
Page 23
... filter housing (5). : Fit filter cover so that it is only possible to adjust the high speed screw within fine limits. 355BA032 KN : Wash the foam element in a clean, non-flammable cleaning solution (e.g. warm soapy water) and then dry. : Fit new felt element. Do not wash. With this carburetor it snaps into position. 22 HL 75, HL 75 K This setting provides an optimum fuel-air mixture under most operating conditions. carburation, ignition, timing and valve or...
... filter housing (5). : Fit filter cover so that it is only possible to adjust the high speed screw within fine limits. 355BA032 KN : Wash the foam element in a clean, non-flammable cleaning solution (e.g. warm soapy water) and then dry. : Fit new felt element. Do not wash. With this carburetor it snaps into position. 22 HL 75, HL 75 K This setting provides an optimum fuel-air mixture under most operating conditions. carburation, ignition, timing and valve or...
Instruction Manual
Page 24
... the setting of engine damage, do not run when engine is not satisfactory when operating at high altitude: : Check standard setting. : Allow the engine to 1 turn ) as far as this Manual" HL 75, HL 75 K 23 Cutting blades run . It is usually necessary to change the setting of the idle speed screw (LA) after every correction to over-rev. Then open it one if necessary. : Check spark arresting screen* and clean or replace as necessary. : Turn high speed screw (H) counterclockwise (max. 3/4 turn in...
... the setting of engine damage, do not run when engine is not satisfactory when operating at high altitude: : Check standard setting. : Allow the engine to 1 turn ) as far as this Manual" HL 75, HL 75 K 23 Cutting blades run . It is usually necessary to change the setting of the idle speed screw (LA) after every correction to over-rev. Then open it one if necessary. : Check spark arresting screen* and clean or replace as necessary. : Turn high speed screw (H) counterclockwise (max. 3/4 turn in...
Instruction Manual
Page 25
... part throttle etc.) affect the condition of spark plug: : Too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. English / USA Spark Arresting Screen* in Muffler Checking the Spark Plug If the engine is low on power, check the spark arresting screen in the muffler. : Lift spark arresting screen and pull it out sideways. : Clean spark arresting screen if necessary. : If screen is down on power, difficult to Using this Manual" 24 HL 75, HL 75 K operating at idling speed, first check the spark plug. : Remove spark plug - Rectify problems...
... part throttle etc.) affect the condition of spark plug: : Too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. English / USA Spark Arresting Screen* in Muffler Checking the Spark Plug If the engine is low on power, check the spark arresting screen in the muffler. : Lift spark arresting screen and pull it out sideways. : Clean spark arresting screen if necessary. : If screen is down on power, difficult to Using this Manual" 24 HL 75, HL 75 K operating at idling speed, first check the spark plug. : Remove spark plug - Rectify problems...
Instruction Manual
Page 26
.... Use STIHL gear lubricant for hedge trimmers** to lubricate the angle drive after about every 25 hours of operation. : Unscrew the filler plug (1). : Screw the tube of operation. : Unscrew the filler plug (3). : If no grease can be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. Always press spark plug boot (2) snugly onto spark plug...
.... Use STIHL gear lubricant for hedge trimmers** to lubricate the angle drive after about every 25 hours of operation. : Unscrew the filler plug (1). : Screw the tube of operation. : Unscrew the filler plug (3). : If no grease can be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause a fire. Always press spark plug boot (2) snugly onto spark plug...
Instruction Manual
Page 30
... or longer : Drain and clean the fuel tank in a well ventilated area. : Run engine until you need it off the blade on the backstroke. : Use a whetstone to run at idle speed so that the heat in the engine can be dissipated by your machine with dull or damaged cutting blades. This protects enginemounted components (ignition, carburetor) from cutting edge. : Remove as little material as possible. : After sharpening, clean filing or grinding...
... or longer : Drain and clean the fuel tank in a well ventilated area. : Run engine until you need it off the blade on the backstroke. : Use a whetstone to run at idle speed so that the heat in the engine can be dissipated by your machine with dull or damaged cutting blades. This protects enginemounted components (ignition, carburetor) from cutting edge. : Remove as little material as possible. : After sharpening, clean filing or grinding...
Instruction Manual
Page 31
... Throttle trigger, slide control Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cylinder fins Spark arresting* screen in muffler All accessible screws and nuts (not adjusting screws) Cutter blade Gearbox lubrication Drive shaft Visual inspection (condition, leaks) Clean Check operation Clean Replace Check Replace Clean Check idle setting Readjust idle Readjust electrode gap Clean Inspect Clean or replace Retighten Visual inspection Sharpen Check Top up Check lubrication Lubricate X X X X X X X X X X X X X X X X X X X X X X X X X X X X * see "Guide...
... Throttle trigger, slide control Air filter Filter in fuel tank Fuel tank Carburetor Spark plug Cylinder fins Spark arresting* screen in muffler All accessible screws and nuts (not adjusting screws) Cutter blade Gearbox lubrication Drive shaft Visual inspection (condition, leaks) Clean Check operation Clean Replace Check Replace Clean Check idle setting Readjust idle Readjust electrode gap Clean Inspect Clean or replace Retighten Visual inspection Sharpen Check Top up Check lubrication Lubricate X X X X X X X X X X X X X X X X X X X X X X X X X X X X * see "Guide...
Instruction Manual
Page 33
... engine. 5. Carburetor Adjusting Screw For tuning carburetor. 24. Carrying Ring The device to connect the hedge cutter to the ignition wire. 8. Machine Support For resting machine on the ground. 10. Cutting Blades Steel blades for locking and unlocking the adjusting mechanism. 16. Barrier Bar* Helps keep unit at a safe distance from operator. * see "Guide to the blade drive gear. 14. Throttle Trigger Controls the speed of drive shaft to Using this Manual" 32 HL 75, HL 75 K Quadrant* Locks the cutter bar in use...
... engine. 5. Carburetor Adjusting Screw For tuning carburetor. 24. Carrying Ring The device to connect the hedge cutter to the ignition wire. 8. Machine Support For resting machine on the ground. 10. Cutting Blades Steel blades for locking and unlocking the adjusting mechanism. 16. Barrier Bar* Helps keep unit at a safe distance from operator. * see "Guide to the blade drive gear. 14. Throttle Trigger Controls the speed of drive shaft to Using this Manual" 32 HL 75, HL 75 K Quadrant* Locks the cutter bar in use...
Instruction Manual
Page 34
... 7 A or Champion RCJ 6Y Electrode Gap 0.02 in (0.5 mm) Carburetor All position diaphragm carburetor with integral fuel pump Rewind Starter Starter rope, 0.12 in dia (3.0 mm) 0000 195 8203 (33.5 in, 850 mm lang) Fuel Tank Capacity 0.93 US.pt (0.44 L) Fuel Mix See chapter "Fuel" Cutting Blades Double-edged for bidirectional cutting Blade length 20 in (500 mm) Sharpening Angle 45° to horizontal Weight Engine with drive tube (without cutting attachment) HL 75: HL 75 K: Cutting attachment, complete...
... 7 A or Champion RCJ 6Y Electrode Gap 0.02 in (0.5 mm) Carburetor All position diaphragm carburetor with integral fuel pump Rewind Starter Starter rope, 0.12 in dia (3.0 mm) 0000 195 8203 (33.5 in, 850 mm lang) Fuel Tank Capacity 0.93 US.pt (0.44 L) Fuel Mix See chapter "Fuel" Cutting Blades Double-edged for bidirectional cutting Blade length 20 in (500 mm) Sharpening Angle 45° to horizontal Weight Engine with drive tube (without cutting attachment) HL 75: HL 75 K: Cutting attachment, complete...
Instruction Manual
Page 36
...), the California Air Resources Board (CARB) and STIHL Incorporated are pleased to explain the Emission Control System Warranty on your warranty rights and responsibilities, please contact a STIHL customer service representative at an authorized dealer), parts, and labor. EPA regulations for two years. In other emission related assemblies. The warranty repairs will repair your owner's manual. HL 75, HL 75 K 35 STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of sale, to...
...), the California Air Resources Board (CARB) and STIHL Incorporated are pleased to explain the Emission Control System Warranty on your warranty rights and responsibilities, please contact a STIHL customer service representative at an authorized dealer), parts, and labor. EPA regulations for two years. In other emission related assemblies. The warranty repairs will repair your owner's manual. HL 75, HL 75 K 35 STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of sale, to...
Instruction Manual
Page 37
... this manual are : Carburetor Choke (Cold start enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Where to make a claim for the warranty period. If any authorized STIHL servicing dealer and present the signed warranty card. Diagnosis You, as the owner, shall not be charged for regular inspection to the effect of "repair or replace as...
... this manual are : Carburetor Choke (Cold start enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Where to make a claim for the warranty period. If any authorized STIHL servicing dealer and present the signed warranty card. Diagnosis You, as the owner, shall not be charged for regular inspection to the effect of "repair or replace as...