STIHL HL 94 Instruction Manual
English © ANDREAS STIHL AG & Co. KG, 2020 0458-519-0121-D. VA6.B20. 0000008109_007_GB Printed on chlorine-free paper Printing inks contain vegetable oils, paper can be recycled.
English Guide to Using this Manual Pictograms The meanings of the pictograms attached to the machine are explained in this manual. Depending on the model concerned, the following pictograms may be attached to your machine. Fuel tank; fuel mixture of gasoline and engine oil Operate manual fuel pump Filler hole for gear lubricant Symbols in text WARNING Warning where there is a risk of an accident or personal injury or serious damage to property.
English Do not lend or rent your power tool without the instruction manual. Be sure than anyone using your power tool understands the information contained in this manual. identical. If you have any questions in this respect, consult a servicing dealer. Use only high quality tools and accessories in order to avoid the risk of accidents and damage to the machine. The use of noise emitting power tools may be restricted to certain times by national or local regulations.
English Transporting the Power Tool After fueling, tighten down the fuel tank cap as securely as possible. Always shut off the engine. Always fit the blade guard (scabbard) before carrying your hedge trimmer short distances. On units with a defined transport position: Move the cutter bar to the transport position and make sure it is properly engaged. Carry the power tool properly balanced by the drive tube – cutting blades behind you.
English Your power tool is designed to be operated by one person only. Do not allow other persons in the work area – even when starting. To reduce the risk of injury, avoid contact with the cutting blades. Do not drop start the power tool – start the engine as described in the instruction manual. Note that the cutting blades continue to run for a short period after you let go of the throttle trigger (flywheel effect).
English Watch out for obstacles: Roots and tree stumps which could cause you to trip or stumble. Make sure you always have good balance and secure footing. When working at heights: – Always use a lift bucket – Never work on a ladder or in a tree – Never work on an insecure support – Never operate your power tool with one hand Be particularly alert and cautious when wearing hearing protection because your ability to hear warnings (shouts, alarms, etc.) is restricted.
English If the hedge is very dusty or dirty, spray the blades with STIHL resin solvent from time to time during cutting. This helps greatly reduce blade friction as well as the aggressive effects of sap and the build-up of dirt particles. Before leaving the power tool unattended: Shut off the engine. Check the cutting blades at regular short intervals during operation or immediately if there is a noticeable change in cutting behavior: – Shut off the engine.
English Using the Unit Cutting Season Vertical Cut (with cutter bar at an angle) Working Techniques Horizontal Cut (with cutter bar at an angle) Observe country-specific or municipal rules and regulations for cutting hedges. Do not use your hedge trimmer during rest periods customary in the neighborhood. Cutting Sequence 388BA030 KN If a radical cut is necessary, cut a little at a time in several stages. Use lopping shears to cut out thick branches first.
English Overhead Cut (with cutter bar at an angle) Extra long reach without the need for other aids. Swing the cutter bar up and down in an arc as you move along the hedge – use both sides of the cutting blades. Hold the hedge trimmer vertically and swing it in an arc to make maximum use of its reach.
English 388BA033 KN The following STIHL attachments may be used with the basic power tool: Swing the cutter bar in an arc towards the outside of the hedge so that the cuttings are swept to the ground. Recommendation: Only cut hedges that are no more than chest high.
English Mounting the Gearbox 11 A 12 N Align the loop handle (2) and move it to the most comfortable position (recommended: about 20 cm). N Tighten down the screws firmly. HL 94, HL 94 K 5 N Loosen the clamp screws (10). N Push the gearbox (11) onto the drive tube (5), turn the gearbox (11) back and forth as necessary.
English Fuel Your engine requires a mixture of gasoline and engine oil. WARNING For health reasons, avoid direct skin contact with gasoline and avoid inhaling gasoline vapor. STIHL MotoMix STIHL recommends the use of STIHL MotoMix. This ready-to-use fuel mix contains no benzol or lead, 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 for an extra long engine life. MotoMix is not available in all markets.
English Open the tank cap. Fueling Adjusting the Cutter Bar Angle Adjuster - 145° WARNING When fueling on a slope, always position the machine with the filler cap facing uphill. N Place the machine on level ground so that the filler cap is facing up. N Before fueling, clean the filler cap and the area around it to ensure that no dirt falls into the tank. N Turn the cap counterclockwise until it can be removed from the tank opening. N Remove the cap.
English To reduce the risk of injury, never touch the blades while making adjustments. moving the cutter bar to the transport position or from the transport position to the normal working position. 3 WARNING 2 The gearbox gets hot during operation. To reduce the risk of burn injury, do not touch the gearbox. 3 1 0000-GXX-1684-A0 2 N Pull back the sliding sleeve (1) and use the lever (2) to adjust the joint by one or several holes.
English Practice quickly detaching the power tool from the carabiner as described under "Disconnecting Machine from Shoulder Strap". Attaching Machine to Shoulder Strap Some versions of the machine can be carried on a shoulder strap. 1 The type and style of the shoulder strap depend on the market. 2 1 2 Shoulder Strap N 1 If you are using a shoulder strap: Practice slipping the strap off your shoulder.
English is released: The ignition is switched on again after the engine stops – the engine is then ready to start. Starting / Stopping the Engine Starting the Engine Function of Throttle Set Wheel 0000-GXX-5224-A0 5 0208BA067 KN 4 3 4 The throttle set wheel (4) enables the travel of the throttle trigger to be preset anywhere between idle and full throttle. 2 0208BA066 KN 1 1 2 3 4 Throttle trigger lockout Throttle trigger Stop switch with Run and Stop positions.
English N N N Place the machine on the ground: It must rest securely on the engine support and the gearbox housing. On units with an adjustable cutter bar and defined transport position: Set the cutter bar to the straight (0°) position. If fitted: Remove blade scabbard from the cutting blades. To reduce the risk of accidents, check that the cutting blades are not touching the ground of any other obstacles. N N Make sure you have a firm footing, either standing, stooping or kneeling.
English Continue cranking in position F until the engine runs. If the engine does not start N Check that all settings are correct. N Check that there is fuel in the tank and refuel if necessary. N Check that the spark plug boot is properly connected. N Repeat the starting procedure. Engine is flooded N Move the choke knob to F and continue cranking until the engine runs.
English NOTICE Adjusting the Carburetor Spark Plug N Insert felt filter (5) form-fittingly into the filter housing N Set knob for warm start (1) to g N Fit filter cover (3) – make sure not to tilt the screw (2) – insert screw and tighten N If the engine is down on power, difficult to start or runs poorly at idle speed, first check the spark plug. N Fit a new spark plug after about 100 operating hours – or sooner if the electrodes are badly eroded.
English Checking the Spark Plug N Use resistor type spark plugs with a properly tightened adapter nut. Lubricating the Gearbox 000BA039 KN Installing the Spark Plug Fit the spark plug and tighten it down firmly. N Press the boot firmly onto the spark plug. Lubricate the blade drive gear with STIHL gear lubricant for hedge trimmers – see "Special Accessories". 1 Clean dirty spark plug. N Check electrode gap (A) and readjust if necessary – see "Specifications".
English plug (1) – if no grease can be seen on the inside of the filler plug, screw the tube of grease into the filler hole. N Squeeze up to 10 g (2/5 oz) grease into the gearbox. NOTICE Do not completely fill the gearbox with grease. N Unscrew the tube of grease from the filler hole. N Refit the filler plug and tighten it down firmly. Angle Drive Gear Lubricate the angle drive gear with STIHL gear lubricant for hedge trimmers (special accessory).
English N Drain and clean the fuel tank in a well ventilated area. N Dispose of fuel properly in accordance with local environmental requirements. N Run the engine until the carburetor is dry – this helps prevent the carburetor diaphragms sticking together. N Clean the cutting blades, check condition and spray them with STIHL resin solvent.
English Visual inspection (condition, leaks) X Complete machine Clean Replace any damaged parts X Control handle Check operation X X X Clean filter housing X Replace felt filter Manual fuel pump (if fitted) X Clean X Check X Carburetor Cooling air inlet Have checked by servicing dealer X Have replaced by servicing dealer2) Check idle setting, the cutting blades must not move X X X X X X Adjust electrode gap X Replace after every 100 operating hours Visual inspection X Clean
Antivibration elements Visual inspection3) X X Clean 4) Safety labels 1) 2) 3) 4) 24 Check as required if problem every 12 months monthly weekly if damaged X X X X Sharpen4) Gearbox lubrication X Have replaced by servicing dealer2) Visual inspection Cutting blades after each refueling stop before starting work The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work area, etc.
English Minimize Wear and Avoid Damage Observing the instructions in this manual helps reduce the risk of unnecessary wear and damage to the power tool. The power tool must be operated, maintained and stored with the due care and attention described in this owner's manual. servicing dealer. STIHL dealers are regularly given the opportunity to attend training courses and are supplied with the necessary technical information.
English Main Parts HL 92, HL 94 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 # 8 2 3 1 4 5 11 6 9 7 10 HL 92 K, HL 94 K 4 1 5 6 7 13 12 16 17 14 15 # 19 25 19 20 24 23 21 26 22 0000-GXX-5497-A0 18 Handle hose Loop handle Carrying ring Stop switch Throttle trigger lockout Set wheel Throttle trigger Spark plug boot with cap Air filter cover Machine support Manual fuel pump Choke knob Carburetor adjusting screw Tank cap Fuel tank Starter grip Muffler Cutting
English Dry weight with 145° adjustable gearbox, 500 mm HL 94: 6.1 kg HL 94 K: 5.6 kg Specifications Engine Single cylinder two-stroke engine Displacement: Bore: Stroke: Engine power to ISO 8893: Idle speed: Cut-off speed (rated): 24.1 cc 35 mm 25 mm 0.9 kW (1.2 bhp) at 8,000 rpm 2,800 rpm 9,300 rpm Ignition System Electronic magneto ignition Dry weight with 145° adjustable gearbox, 600 mm HL 94: 6.2 kg HL 94 K: 6.
English HL 145° 600 mm: HL 145° 600 mm: Vibration measurement ahv,eq to ISO 22867: HL 94, left hand on handle hose: Handle hose: 4.9 m/s2 Control handle: 4.9 m/s2 Vibration measurement ahv,eq to ISO 22867: HL 94 K: Handle hose: 6.4 m/s2 Control handle: 6.4 m/s2 Vibration measurement ahv,eq to ISO 22867: HL 94, left hand on loop handle: Loop handle: 6.5 m/s2 Control handle: 5.4 m/s2 The noise and vibration data of the approved attachments are listed in the instructions supplied with each attachment.
English Users of this machine may only carry out the maintenance and service work described in this user manual. All other repairs must be carried out by a servicing dealer. STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. STIHL dealers are regularly given the opportunity to attend training courses and are supplied with the necessary technical information.
English ANDREAS STIHL AG & Co. KG Produktzulassung (Product Licensing) The year of manufacture and serial number are applied to the product. Done at Waiblingen, 28.11.2018 ANDREAS STIHL AG & Co.
English HL 94, HL 94 K 31
English 32 HL 94, HL 94 K
0458-519-0121-D englisch G www.stihl.
