Instruction Manual
Page 2
... Mounting the Bar and Chain 16 Tensioning the Saw Chain 17 Checking Chain Tension 17 Adjusting the Throttle Cable 17 Fuel 18 Fueling 19 Chain Oil 20 Filling Chain Oil Tank 20 Checking Chain Lubrication 21 Adjusting Telescopic ...Chain Sprocket ......... 35 Replacing Chain Sprocket 36 Maintaining and Sharpening Saw Chain 36 Maintenance Chart 41 Parts and Controls 42 Specifications 44 Special Accessories 45 Maintenance and Repairs 45 STIHL Incorporated Federal and California Emission Control Warranty Statement 46 Allow only persons who understand this Manual" STIHl HT 70, HT 75...
... Mounting the Bar and Chain 16 Tensioning the Saw Chain 17 Checking Chain Tension 17 Adjusting the Throttle Cable 17 Fuel 18 Fueling 19 Chain Oil 20 Filling Chain Oil Tank 20 Checking Chain Lubrication 21 Adjusting Telescopic ...Chain Sprocket ......... 35 Replacing Chain Sprocket 36 Maintaining and Sharpening Saw Chain 36 Maintenance Chart 41 Parts and Controls 42 Specifications 44 Special Accessories 45 Maintenance and Repairs 45 STIHL Incorporated Federal and California Emission Control Warranty Statement 46 Allow only persons who understand this Manual" STIHl HT 70, HT 75...
Instruction Manual
Page 4
...good physical condition and mental health and not under the influence of any condition that you , even if the chain is not moving. Be sure that are fatigued. These safety precautions and warnings apply to reduce the risk of... accidents or risks involving third parties or their property! The pole pruner chain has many sharp cutters. Read the owner's manual and the safety instructions periodically. Observe all STIHL pole pruners. Never let the pole pruner run unattended. It is a... controls and function of the parts of the pruner, do not use a pole pruner. HT 70, HT 75 3
...good physical condition and mental health and not under the influence of any condition that you , even if the chain is not moving. Be sure that are fatigued. These safety precautions and warnings apply to reduce the risk of... accidents or risks involving third parties or their property! The pole pruner chain has many sharp cutters. Read the owner's manual and the safety instructions periodically. Observe all STIHL pole pruners. Never let the pole pruner run unattended. It is a... controls and function of the parts of the pruner, do not use a pole pruner. HT 70, HT 75 3
Instruction Manual
Page 5
...of whitefinger disease and carpal tunnel syndrome, please note the following: : Most STIHL power tools are mentioned as high vibration levels and long periods of movement. Heavyduty, nonslip gloves are recommended. 4 HT 70, HT 75 english !Warning! In order to have higher vibration levels. : Maintain a firm...power tools on a regular or sustained basis. : Wear gloves and keep your hands when handling the pole pruner and saw chain. Wear gloves to feel and regulate temperature, produce numbness and burning sensations and may interfere with pacemaker should monitor closely the ...
...of whitefinger disease and carpal tunnel syndrome, please note the following: : Most STIHL power tools are mentioned as high vibration levels and long periods of movement. Heavyduty, nonslip gloves are recommended. 4 HT 70, HT 75 english !Warning! In order to have higher vibration levels. : Maintain a firm...power tools on a regular or sustained basis. : Wear gloves and keep your hands when handling the pole pruner and saw chain. Wear gloves to feel and regulate temperature, produce numbness and burning sensations and may interfere with pacemaker should monitor closely the ...
Instruction Manual
Page 6
... and damage to the pole pruner. 390BA000 KN HT 70, HT 75 5 english To reduce the risk of injury to your pole pruner by STIHL for use may damage your goggles or safety glasses. During operation, the powerhead muffler and the material around it . Carrying a pole pruner with the recommended saw chain and guide bar -
... and damage to the pole pruner. 390BA000 KN HT 70, HT 75 5 english To reduce the risk of injury to your pole pruner by STIHL for use may damage your goggles or safety glasses. During operation, the powerhead muffler and the material around it . Carrying a pole pruner with the recommended saw chain and guide bar -
Instruction Manual
Page 7
...regular intervals (whenever the pole pruner is recommended that the operator and bystanders wear respirators approved for the substances concerned. Dust (e.g. STIHL Oilomatic chain, guide bar and sprocket must be produced when using or standing near the machine. Never try to cool before refueling. wood dust... on the fuel used, the weather conditions, and the venting system of the tank. 6 HT 70, HT 75 english Preparation for the use of the pole pruner Take off the chain guard and inspect for safety in gauge and pitch. !Warning! Always shut off the engine ...
...regular intervals (whenever the pole pruner is recommended that the operator and bystanders wear respirators approved for the substances concerned. Dust (e.g. STIHL Oilomatic chain, guide bar and sprocket must be produced when using or standing near the machine. Never try to cool before refueling. wood dust... on the fuel used, the weather conditions, and the venting system of the tank. 6 HT 70, HT 75 english Preparation for the use of the pole pruner Take off the chain guard and inspect for safety in gauge and pitch. !Warning! Always shut off the engine ...
Instruction Manual
Page 8
... at least 10 feet (3 m) from fueling spot before starting your pole pruner, and check for the clutch to engage the sprocket and turn the chain. Proper starting instructions, see the appropriate section of the Owner's Manual. Check for tightness. In order to reduce risk of fuel spillage and fire,..., HT 75 7 For specific starting methods reduce the risk of injury. 390BA022 KN english In order to reduce the risk of burns or other personal injury from escaping gas vapor and fumes, remove the fuel cap on your clothing. Take care not to get fuel on the STIHL product carefully so ...
... at least 10 feet (3 m) from fueling spot before starting your pole pruner, and check for the clutch to engage the sprocket and turn the chain. Proper starting instructions, see the appropriate section of the Owner's Manual. Check for tightness. In order to reduce risk of fuel spillage and fire,..., HT 75 7 For specific starting methods reduce the risk of injury. 390BA022 KN english In order to reduce the risk of burns or other personal injury from escaping gas vapor and fumes, remove the fuel cap on your clothing. Take care not to get fuel on the STIHL product carefully so ...
Instruction Manual
Page 9
... control or contact with the running chain, do not wrap the starting rope around your owner's manual. Before working with less clearance, contact your pole pruner only outdoors in injury to another by means of wood or in poorly ventilated locations. 8 HT 70, HT 75 The pole pruner has a large ...Danger! english When you cannot set the correct idle speed, have your STIHL dealer check your pole pruner and make sure current is running. At correct idle speed, the chain should not rotate. After adjusting chain tension, start the pole pruner, let the engine run the pole pruner...
... control or contact with the running chain, do not wrap the starting rope around your owner's manual. Before working with less clearance, contact your pole pruner only outdoors in injury to another by means of wood or in poorly ventilated locations. 8 HT 70, HT 75 The pole pruner has a large ...Danger! english When you cannot set the correct idle speed, have your STIHL dealer check your pole pruner and make sure current is running. At correct idle speed, the chain should not rotate. After adjusting chain tension, start the pole pruner, let the engine run the pole pruner...
Instruction Manual
Page 10
...containing chemicals known to cause respiratory disease, cancer, birth defects, or other construction products), or products such as oil mist from chain lubrication) and fumes at the source where possible. If you are unfamiliar with the risks associated with asbestos insulation. asbestos containing ...immediately contact your employer, governmental agencies such as stumps, roots or rocks and watch out for a while after stopping the engine. HT 70, HT 75 9 When the inhalation of the cylinder, spark plug) become hot during operation and remain hot for holes or ditches. Take extreme...
...containing chemicals known to cause respiratory disease, cancer, birth defects, or other construction products), or products such as oil mist from chain lubrication) and fumes at the source where possible. If you are unfamiliar with the risks associated with asbestos insulation. asbestos containing ...immediately contact your employer, governmental agencies such as stumps, roots or rocks and watch out for a while after stopping the engine. HT 70, HT 75 9 When the inhalation of the cylinder, spark plug) become hot during operation and remain hot for holes or ditches. Take extreme...
Instruction Manual
Page 11
.... It is not rotating. Never work on a ladder, in good condition and free of your pole pruner under control at all obstacles. 10 HT 70, HT 75 To reduce risk of control and strike the operator or some other than wood or wooden objects. Place your left hand on front handle and... rocks, fences, nails and the like. Do not cut . Left handers should follow these instructions too. !Warning! When limbing, make sure that the saw chain. !Warning! When working area from loss of control of a cut any pole pruner with both hands. Don't put pressure on the pole pruner when reaching...
.... It is not rotating. Never work on a ladder, in good condition and free of your pole pruner under control at all obstacles. 10 HT 70, HT 75 To reduce risk of control and strike the operator or some other than wood or wooden objects. Place your left hand on front handle and... rocks, fences, nails and the like. Do not cut . Left handers should follow these instructions too. !Warning! When limbing, make sure that the saw chain. !Warning! When working area from loss of control of a cut any pole pruner with both hands. Don't put pressure on the pole pruner when reaching...
Instruction Manual
Page 12
... bar becomes pinched and caught in the trunk and branches. Never operate a pole pruner that the chain can no longer move, shut off the pruner and carefully move away fallen limbs. Use only STIHL replacement parts for decay and rot in the branch so that is damaged, improperly adjusted or not...cause serious or fatal injury. To reduce the risk of not more than 60° from falling objects do not cut on the operator. HT 70, HT 75 11 Place all tools and equipment at an angle of personal or even fatal injury from the horizontal level (see picture). If it is ...
... bar becomes pinched and caught in the trunk and branches. Never operate a pole pruner that the chain can no longer move, shut off the pruner and carefully move away fallen limbs. Use only STIHL replacement parts for decay and rot in the branch so that is damaged, improperly adjusted or not...cause serious or fatal injury. To reduce the risk of not more than 60° from falling objects do not cut on the operator. HT 70, HT 75 11 Place all tools and equipment at an angle of personal or even fatal injury from the horizontal level (see picture). If it is ...
Instruction Manual
Page 13
...g. Tighten all nuts, bolts and screws except the carburetor adjustment screws before undertaking any adjustments, maintenance or repair work not described in your STIHL Owner's Manual should be attached.) A loose connection between spark plug boot and ignition wire connector in good condition. !Warning! For any...spark plug or with the skin and avoid inhaling fuel vapor! 12 HT 70, HT 75 replace worn sprockets or chains. Before storing for your pole pruner set forth in your Owner's Manual. Keep the chain sharp. Store pole pruner in approved and properly labeled safety-type canisters ...
...g. Tighten all nuts, bolts and screws except the carburetor adjustment screws before undertaking any adjustments, maintenance or repair work not described in your STIHL Owner's Manual should be attached.) A loose connection between spark plug boot and ignition wire connector in good condition. !Warning! For any...spark plug or with the skin and avoid inhaling fuel vapor! 12 HT 70, HT 75 replace worn sprockets or chains. Before storing for your pole pruner set forth in your Owner's Manual. Keep the chain sharp. Store pole pruner in approved and properly labeled safety-type canisters ...
Instruction Manual
Page 17
... bar over the stud (3). and the drive link tangs are located in locating hole (4) - wear work gloves to "Tensioning the Saw Chain". 16 HT 70, HT 75 390BA044 KN english Mounting the Bar and Chain 51 43 390BA042 KN : Unscrew nut and take off cover. 1 2 : Turn tensioning screw (1) counterclockwise until there is very sharp - start...the bar groove. : Refit the sprocket cover and screw on the underside of the housing slot, then back it off 5 full turns. 390BA043 KN The chain is very little chain sag on the nut only fingertight. : Now refer to protect hands from cuts. : Fit the...
... bar over the stud (3). and the drive link tangs are located in locating hole (4) - wear work gloves to "Tensioning the Saw Chain". 16 HT 70, HT 75 390BA044 KN english Mounting the Bar and Chain 51 43 390BA042 KN : Unscrew nut and take off cover. 1 2 : Turn tensioning screw (1) counterclockwise until there is very sharp - start...the bar groove. : Refit the sprocket cover and screw on the underside of the housing slot, then back it off 5 full turns. 390BA043 KN The chain is very little chain sag on the nut only fingertight. : Now refer to protect hands from cuts. : Fit the...
Instruction Manual
Page 18
... a suitable tool to push the slide to the bottom of the slot (see "Guide to pull the chain along the bar by hand. : If necessary, retension the chain. Check chain tension frequently - check chain tension frequently - HT 70, HT 75 * see illustration). Adjust the throttle cable only after the unit is the precondition for correct operation in...
... a suitable tool to push the slide to the bottom of the slot (see "Guide to pull the chain along the bar by hand. : If necessary, retension the chain. Check chain tension frequently - check chain tension frequently - HT 70, HT 75 * see illustration). Adjust the throttle cable only after the unit is the precondition for correct operation in...
Instruction Manual
Page 19
..., HT 75 This could cause running problems or even damage the engine. The machine's fuel tank and the canister in your vehicle and place the canister on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your area is stored should...oil or equivalent branded two-stroke engine oils that are designed for use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Fuel with a lower octane rating may increase engine temperatures. Your two-stroke engine requires a mixture of 89 (R+M/2). For...
..., HT 75 This could cause running problems or even damage the engine. The machine's fuel tank and the canister in your vehicle and place the canister on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your area is stored should...oil or equivalent branded two-stroke engine oils that are designed for use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Fuel with a lower octane rating may increase engine temperatures. Your two-stroke engine requires a mixture of 89 (R+M/2). For...
Instruction Manual
Page 20
Gasoline Oil (STIHL 50:1 or equivalent branded oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 389BA031 KN 389BA032 KN Dispose of empty mixing-oil canisters only at regular short intervals and fill up as necessary. HT 70, HT 75 19 When mixing, pour oil into the tank. Fueling english Fuel mix ages Only... the canister and shake it to ensure that no dirt falls into the canister first, and then add gasoline. Checking oil level Check chain oil level in the tank to allow any pressure build-up body every year. After fueling, tighten fuel cap as securely as to release...
Gasoline Oil (STIHL 50:1 or equivalent branded oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 389BA031 KN 389BA032 KN Dispose of empty mixing-oil canisters only at regular short intervals and fill up as necessary. HT 70, HT 75 19 When mixing, pour oil into the tank. Fueling english Fuel mix ages Only... the canister and shake it to ensure that no dirt falls into the canister first, and then add gasoline. Checking oil level Check chain oil level in the tank to allow any pressure build-up body every year. After fueling, tighten fuel cap as securely as to release...
Instruction Manual
Page 21
... area around it will otherwise quickly turn to remove, especially in the oil supply: Check chain lubrication, clean the oilways, contact your STlHL dealer for assistance if necessary. 390BA047 KN 20 HT 70, HT 75 Waste oil does not have shown that renewed contact with waste oil can fall into the... tank. : Position the unit so that are difficult to resin. A full chain oil tank is not available, you may even cause the oil pump to use waste oil! STIHL chain lubricant with ...
... area around it will otherwise quickly turn to remove, especially in the oil supply: Check chain lubrication, clean the oilways, contact your STlHL dealer for assistance if necessary. 390BA047 KN 20 HT 70, HT 75 Waste oil does not have shown that renewed contact with waste oil can fall into the... tank. : Position the unit so that are difficult to resin. A full chain oil tank is not available, you may even cause the oil pump to use waste oil! STIHL chain lubricant with ...
Instruction Manual
Page 22
... throw off the screw. : Adjust shaft to 3 minutes. After breaking in the tank before starting work. see chapter "Checking Chain Tension". Never operate your STIHL dealer. Always shut down so that it is run dry, the whole cutting attachment will be irretrievably damaged within a very short... as far as stop . : Fold the clip down the engine and put on the chain guard! : Slacken off a small amount of the cap. 1 2 english Checking Chain Lubrication Adjusting Telescopic Shaft (HT 75) 247BA011 KN 390BA048 KN 390BA049 KN The bayonet-type oil tank filler cap with its hinged...
... throw off the screw. : Adjust shaft to 3 minutes. After breaking in the tank before starting work. see chapter "Checking Chain Tension". Never operate your STIHL dealer. Always shut down so that it is run dry, the whole cutting attachment will be irretrievably damaged within a very short... as far as stop . : Fold the clip down the engine and put on the chain guard! : Slacken off a small amount of the cap. 1 2 english Checking Chain Lubrication Adjusting Telescopic Shaft (HT 75) 247BA011 KN 390BA048 KN 390BA049 KN The bayonet-type oil tank filler cap with its hinged...
Instruction Manual
Page 25
If necessary, rest the hook on the engine support and the hook. : Remove the chain guard. This will bend the tube and result in permanent damage to the telescopic shaft. 24 HT 70, HT 75 english 390BA022 KN : Place the unit on the ground: It must rest securely on a raised support (e.g. a ...branch, mound or something similar). Do not stand or kneel on the fan housing. Your thumb should be under the fan housing. Check that chain is standing within...
If necessary, rest the hook on the engine support and the hook. : Remove the chain guard. This will bend the tube and result in permanent damage to the telescopic shaft. 24 HT 70, HT 75 english 390BA022 KN : Place the unit on the ground: It must rest securely on a raised support (e.g. a ...branch, mound or something similar). Do not stand or kneel on the fan housing. Your thumb should be under the fan housing. Check that chain is standing within...
Instruction Manual
Page 26
As soon as engine runs: : Blip the throttle trigger - chain must not run position #, and the engine returns to idling speed. Do not pull out starter rope to e : continue cranking. HT 70, HT 75 25 english When engine begins to fire: : Move choke lever to full length - Your pruner is idling. guide it a brisk strong... shut down engine: : Move the slide control in direction of c to the run when engine is ready for operation. 390BA009 KN Alternative method: : Remove the chain guard.
As soon as engine runs: : Blip the throttle trigger - chain must not run position #, and the engine returns to idling speed. Do not pull out starter rope to e : continue cranking. HT 70, HT 75 25 english When engine begins to fire: : Move choke lever to full length - Your pruner is idling. guide it a brisk strong... shut down engine: : Move the slide control in direction of c to the run when engine is ready for operation. 390BA009 KN Alternative method: : Remove the chain guard.
Instruction Manual
Page 28
...thermal overload. Drain the fuel tank. Store the machine in period. The engine develops its maximum power after finishing work : Slacken off the chain if you have to bed in during the break-in period, the frictional resistances in the engine are greater during cutting work. Retension the... damage the crankshaft and bearings. If it may otherwise jump off the bar. The chain contracts as it cools down. Do not make the mixture leaner to 15 tank fillings. this period. HT 70, HT 75 27 As all moving parts have retensioned it may damage the crankshaft and bearings. The...
...thermal overload. Drain the fuel tank. Store the machine in period. The engine develops its maximum power after finishing work : Slacken off the chain if you have to bed in during the break-in period, the frictional resistances in the engine are greater during cutting work. Retension the... damage the crankshaft and bearings. If it may otherwise jump off the bar. The chain contracts as it cools down. Do not make the mixture leaner to 15 tank fillings. this period. HT 70, HT 75 27 As all moving parts have retensioned it may damage the crankshaft and bearings. The...