Stihl Ht 101 Z Parts Manual
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HT 100, HT 101, HT 130, HT 131 English 19 WARNING To reduce the risk of personal injury from loss of control and / or contact with the running cutting tool, do not use your unit with incorrect idle adjustment. At correct idle speed, the cutting tool should not move. If your power tool shows an incorrect idle adjustment, have your STIHL dealer check your power tool and make proper adjustments and repairs. The idle speed and maximum speed of the engine change if you switch from a fuel with a certain ethanol content to another fuel with a much higher or lower ethanol content. This problem can be avoided by always using fuel with the same ethanol content. To ensure the maximum performance of your STIHL engine, use a high quality 2- cycle engine oil. To help your engine run cleaner and reduce harmful carbon deposits, STIHL recommends using STIHL HP Ultra 2-cycle engine oil or ask your dealer for an equivalent fully synthetic 2-cycle engine oil. To meet the requirements of EPA and CARB we recommend to use STIHL HP Ultra oil. Do not use BIA or TCW rated (two- stroke water cooled) mix oils or other mix oils that state they are for use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Take care when handling gasoline. Avoid direct contact with the skin and avoid inhaling fuel vapor. When filling at the pump, first remove the container from your vehicle and place the container on the ground before filling. To reduce the risk of sparks from static discharge and resulting fire and/or explosion, do not fill fuel containers that are sitting in or on a vehicle or trailer. The container should be kept tightly closed in order to limit the amount of moisture that gets into the mixture. The machine’s fuel tank should be cleaned as necessary. STIHL MotoMix STIHL recommends the use of STIHL MotoMix. STIHL MotoMix has a high octane rating and ensures that you always use the right mix ratio. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for high performance engines. For further details, see www.STIHLusa.com/ethanol Fuel mix ages Only mix sufficient fuel for a few days work, not to exceed 30 days of storage. Store in approved fuel-containers only. When mixing, pour oil into the container first, and then add gasoline. Close the container and shake it vigorously by hand to ensure proper mixing of the oil with the fuel.Dispose of empty mixing-oil containers only at authorized disposal locations. Gasoline Oil (STIHL 50:1 or equiva- lent high-quality oils) Liters Liters (ml) 1 0.02 (20) 5 0.10 (100) 10 0.20 (200) 20 0.40 (400) US gal. US fl.oz. 12.6 2 1/2 6.4 512.8
HT 100, HT 101, HT 130, HT 131 English 20 Preparations NBefore fueling, clean the filler cap and the area around it to ensure that no dirt falls into the tank. Always thoroughly shake the mixture in the canister before fueling your machine. NPosition the machine so that the filler cap is facing up. WARNING In order to reduce the risk of fire and personal injury from escaping gas vapor and fumes, remove the fuel filler cap carefully so as to allow any pressure build-up in the tank to release slowly. One of two different filler caps is installed as standard at the factory.Toolless filler cap (with folding grip) Threaded filler cap Opening the toolless filler cap NSwing the grip into an upright position.NTurn the cap counterclockwise (approx. 1/4 turn). NRemove the filler cap. Refueling Take care not to spill fuel while fueling, and do not overfill the tank. Closing the toolless filler cap NPosition the cap with the grip in an upright position; the raised positioning marks must line up. NTurn cap clockwise as far as it will go (approx. 1/4 turn). Fueling 002BA420 KN 002BA418 KN 002BA419 KN 249BA053 KN 249BA054 KN 249BA055 KN
HT 100, HT 101, HT 130, HT 131 English 21 NFold the grip down so that it is flush with the surface. If the grip is not flush with the surface and the lug on the clip does not engage entirely in the recess (arrow), the cap is not properly closed and the steps described above must be repeated. See also the "Toolless cap with grip" section in the Safety Precautions. Opening the threaded filler cap NTurn the cap counterclockwise until it can be removed from the tank opening. NRemove the filler cap. Refueling Take care not to spill fuel while fueling and do not overfill the tank. Closing the threaded filler cap NPosition cap. NTurn the cap clockwise as far as it will go and tighten it as securely as possible by hand.For automatic and reliable lubrication of the chain and guide bar – use only an environmentally compatible quality chain and bar lubricant. Rapidly biodegradable STIHL BioPlus is recommended. NOTICE Biological chain oil must be resistant to aging (e.g. STIHL BioPlus), since it will otherwise quickly turn to resin. This results in hard deposits that are difficult to remove, especially in the area of the chain drive and chain. It may even cause the oil pump to seize. The service life of the chain and guide bar depends on the quality of the lubricant. It is therefore essential to use only a specially formulated chain lubricant. WARNING Do not use waste oil. Renewed contact with waste oil can cause skin cancer. Moreover, waste oil is environmentally harmful. NOTICE Waste oil does not have the necessary lubricating properties and is unsuitable for chain lubrication. 249BA056 KN 002BA447 KN 002BA448 KN &KDLQ/XEULFDQW
HT 100, HT 101, HT 130, HT 131 English 22 NOTICE A full chain oil tank is sufficient for only half a tankful of fuel. Check the oil level regularly during cutting work. Never allow the oil tank to run dry. Preparations NThoroughly clean the oil filler cap and the area around it to ensure that no dirt falls into the tank. NPosition the machine so that the filler cap faces up. Opening NRaise the grip until it is upright. NTurn the cap counterclockwise (about a quarter turn). Marks on filler cap and oil tank must line up.NRemove the cap. Filling up with chain oil NFilling up with chain oil Take care not to spill chain oil while refilling and do not overfill the tank. Closing Grip must be vertical: NFit the cap – marks on filler cap and oil tank must line up. NPress the cap down as far as stop. Filling Chain Oil Tank 390BA047 KN 002BA575 KN 002BA576 KN 002BA577 KN 002BA578 KN 002BA577 KN
HT 100, HT 101, HT 130, HT 131 English 23 NWhile holding the cap depressed, turn it clockwise until it engages in position. The marks on the filler cap and oil tank are then in alignment. NFold the grip down.Filler cap is locked. If the oil level in the tank does not go down, the reason may be a fault in the oil supply system: Check chain lubrication, clean the oilways, contact your dealer for assistance if necessary STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. If the filler cap cannot be locked in the oil tank opening Bottom of cap is twisted in relation to top. NRemove the cap from the oil tank and check it from above.NPlace the cap on the opening and rotate it counterclockwise until it engages the filler neck. NContinue rotating the cap counterclockwise (about a quarter turn) – this causes the bottom of the cap to be turned to the correct position. NTurn the cap clockwise and lock it in position – see section on "Closing". 002BA579 KN 002BA580 KN 002BA581 KN 002BA583 KN /HIW %RWWRPRIFDSLVWZLVWHG
HT 100, HT 101, HT 130, HT 131 English 24 The saw chain must always throw off a small amount of oil. NOTICE Never operate your saw without chain lubrication. If the chain runs dry, the whole cutting attachment will be irretrievably damaged within a very short time. Always check chain lubrication and the oil level in the tank before starting work. Every new chain has to be broken in for about 2 to 3 minutes. After breaking in the chain, check chain tension and adjust if necessary – see "Checking Chain Tension". HT 101, HT 131 only WARNING Always shut off the engine and fit the chain guard NLoosen the screw. NAdjust shaft to the required length. NTighten down the screw firmly.The type and style of the harness depend on the market.Shoulder strap NPut on the shoulder strap (1). NAdjust the length of the strap. NWith the power tool attached, the carabiner (2) must be at about the same height as your right hip. Checking Chain Lubrication 390BA048 KN $GMXVWLQJWKH7HOHVFRSLQJ 6KDIW 390BA049 KN )LWWLQJWKH+DUQHVV 21 390BA040 KN
HT 100, HT 101, HT 130, HT 131 English 25 Full harness (HT 100, HT 101 only) NPut on the full harness (1) and sling (2) as described in the instruction sheet provided. NAdjust the harness and thigh strap (3) as required. NRest the powerhead in the sling during cutting work. HT 100, HT 130 only NPut the backpack carrying system (1) on your back and adjust it as described in the instruction sheet provided. NAttach the carabiner (2) to the machine's carrying ring. NAttach the pole pruner to the carrying strap when cutting.NAdjust the hip belt (3), both shoulder straps (4) and the carrying strap (5). 386BA012 KN 2 1 3 %DFNSDFN&DUU\LQJ6\VWHP 246BA015 KN 1 2 246BA016 KN 4 5 3
HT 100, HT 101, HT 130, HT 131 English 26 HT 101, HT 131 only NPut the backpack carrying system (1) on your back and adjust it as described in the instruction sheet provided. NSecure the sliding adjuster (2) to the shaft. NAttach the pole pruner to the carrying strap when cutting.NAdjust the hip belt (3), both shoulder straps (4) and the carrying strap (5). NSqueeze the grips to move the sliding adjuster up or down the shaft. Controls 1Throttle trigger lockout 2Throttle trigger 3Slide control Positions of slide control 4STOP-0– engine off – ignition is switched off 5F – normal run position – the engine is running or can start 6START – ignition is switched on – the engine can start 246BA010 KN 1 2 246BA011 KN 4 5 3 246BA012 KN 6WDUWLQJ6WRSSLQJWKH (QJLQH 3 STOP 2 5 6 4 7 002BA181 KN START STOP- 1
HT 100, HT 101, HT 130, HT 131 English 27 Symbol on slide control 7h – stop symbol and arrow. To stop the engine, push the slide control in the direction of the arrow on the stop symbol (h) to STOP-0. Starting NPress down the trigger lockout lever and squeeze the throttle trigger Nand hold them in that position. NMove the slide control to START and hold it there. NNow release the throttle trigger, slide control and trigger lockout in that order. This is the starting throttle position. NSet the choke knob (8):NPress the manual fuel pump bulb (9) at least five times – even if the bulb is filled with fuel. Cranking NRemove the chain scabbard. Check that the chain is not touching the ground or any other obstacles. NPlace the unit on the ground: It must rest securely on the engine support and the hook. If necessary, rest the hook on a raised support (e.g. a branch, mound or something similar). WARNING Check that nobody is standing within the working range of the pruner. NMake sure you have a safe and secure footing. NHold the unit with your left hand on the fan housing and press it down firmly – your thumb should be under the fan housing. NOTICE Do not stand or kneel on the drive tube. This will bend the drive tube and may result in permanent damage. Alternative method: NRemove the chain scabbard. Position the drive tube on a branch so that it is held by the hook. NHold the unit firmly with your left hand on the fan housing – your thumb should be under the fan housing. NHold the starter grip with your right hand. NPull the starter grip slowly until you feel it engage and then give it a brisk strong pull. NOTICE Do not pull out the starter rope all the way – it might otherwise break. 249BA007 KN 9 8 gif the engine is cold efor warm start – also use this posi- tion if the engine has been running but is still cold. 390BA033 LA
HT 100, HT 101, HT 130, HT 131 English 28 NDo not let the starter grip snap back. Guide it slowly back into the housing so that the starter rope can rewind properly. NCrank the engine until it begins to fire. After no more than five attempts, turn the choke knob to e. NContinue cranking. As soon as the engine runs NBlip the throttle trigger. The slide control moves to the normal run positionF – and the engine settles down to idle speed. WARNING Make sure the carburetor is correctly adjusted. The saw chain must not rotate when the engine is idling. Your machine is now ready for operation. Stopping the engine NPush the slide control in the direction of the arrow on the stop symbol (h) to STOP-0. At very low outside temperatures As soon as the engine runs: NBlip the throttle trigger to disengage the starting throttle position. The slide control moves to the normal runF – and the engine settles down to idle speed. NOpen the throttle slightly. NWarm up the engine for a short period. If engine does not start Choke knob If you did not turn the choke knob to e quickly enough after the engine began to fire, the combustion chamber is flooded. NTurn the choke knob to e. NSet the slide control, lockout lever and throttle trigger to the starting throttle position. NStart the engine by pulling the starter rope briskly – 10 to 20 pulls may be necessary. If the engine still does not start NMove the slide control to STOP-0. NRemove the spark plug – see "Spark Plug". NDry the spark plug. NCrank the engine several times with the starter to clear the combustion chamber. NRefit the spark plug – see "Spark Plug". NMove the slide control to START. NSet the choke knob to e – even if the engine is cold. NNow start the engine. Throttle cable adjustment NCheck adjustment of throttle cable – see chapter on "Adjusting the Throttle Cable".Fuel tank run until completely dry NAfter refueling, press the manual fuel pump bulb at least five times – even if the bulb is filled with fuel. NSet the choke knob according to engine temperature. NStart the engine.