Stihl SP 81 Instruction Manual
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Stihl SP 81 Instruction Manual

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STIHL SP 81
Instruction Manual

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Summary of Contents for Stihl SP 81

  • Page 1 STIH) STIHL SP 81 Instruction Manual...

  • Page 2: Table Of Contents

    Dear Customer, Guide to Using this Manual ....2 Safety Precautions and Thank you for choosing a quality Working Techniques ......3 engineered STIHL product. Approved Power Tool This machine has been built using Attachments ........9 modern production techniques and Using the Harvester ......

  • Page 3: Guide To Using This Manual

    Engineering improvements in different ways: individual components. STIHL’s philosophy is to continually Note or hint which is not essential A bullet marks a step or procedure improve all of its products. As a result, for using the machine, but may...

  • Page 4: Safety Precautions And Working Techniques

    To reduce health at a high stroke rate. risks, STIHL recommends that persons When the power tool is not in use (work with pacemakers consult their physician It is important that you...
  • Page 5 Transporting the Unit are explicitly approved for this power soles. Always turn off the engine. tool model by STIHL or are technically Wear a safety hard hat identical. If you have any questions in Carry the unit suspended from harness where there is a danger of this respect, consult a servicing dealer.
  • Page 6 – also allow space for movement of the rakes. SP 81...
  • Page 7 Watch out for obstacles: Roots, tree stumps or holes which could cause you to trip or stumble. Make sure you always have firm and secure footing. The machine can be carried on a harness to relieve the load on the operator’s arms. SP 81...
  • Page 8 If the rakes become blocked: Release may be colorless and the throttle trigger – shut off the engine – odorless. Never run the clear the blockage. engine indoors or in poorly ventilated locations, even if your model is equipped with a catalytic converter. SP 81...
  • Page 9 English Check the rakes and drive shaft at STIHL recommends that one and the Vibrations regular short intervals during operation same operator uses the unit for only a or immediately if there is a noticeable short period per workday. Operators in The function of this change in the tool’s behavior:...

  • Page 10: Approved Power Tool Attachments

    Check that the muffler is in perfect working condition. STIHL recommends the use of genuine STIHL spare parts. Such parts have Do not use the machine if the muffler is been optimized for the machine and the damaged or missing –...
  • Page 11 – see “Retrofitting loop handle. Loop Handle” Suitable loop handles are available as The handle hose on the drive tube of accessories from STIHL servicing the basic power tool is used as the dealers. left handle Mounting loop handle with barrier bar Insert the square nuts (5) in the barrier bar (6) and line up the holes.
  • Page 12 (10) and insert the screws in the and screw them into the barrier bar holes. Screw them into the square as far as stop. nuts (5) as far as stop. Go to “Adjusting the handle”. Go to “Adjusting the handle”. SP 81...

  • Page 13: Using The Harvester

    Always shut off the engine before Re-position the rakes. leaving the unit unattended. To avoid damage to the special Repeat this procedure for all harvester, do not run the rakes (1) sections of the tree. off load. SP 81...

  • Page 14: Assembling The Machine

    A (40 mm) from the end ring together and insert the M6x14 of the drive tube. screw (3). Remove the protective cap from the Line up the carrying ring. end of the drive tube. Tighten down the screw firmly. SP 81...

  • Page 15: Adjusting The Throttle Cable

    Move the handle hose (4) to the covers the mark on the drive tube. most comfortable working position. Alternative check: The drive tube is correctly positioned when it completely closes the slot in the gearhead’s clamp (see arrows). SP 81...

  • Page 16: Fuel

    MotoMix is not available in all markets. formulated for use in STlHL engines and guarantees a long engine life. If STIHL two-stroke engine oil is not Mixing Fuel available, use only quality two-stroke oil Unsuitable fuels or lubricants or mix designed for use in air cooled engines.

  • Page 17: Fueling

    Pour oil into the canister first, then add gasoline and mix Take care not to spill fuel while fueling thoroughly. and do not overfill the tank. STIHL recommends use of the STIHL filling system (special accessory). After fueling, tighten fuel cap as securely as possible by hand.

  • Page 18: Fitting The Harness

    Push the new pickup body into the # (5) – normal run position – the engine hose. is running or can start Place the pickup body in the tank. START (6) – the engine is switched on, the engine can start SP 81...
  • Page 19 – it might break. five times – even if the bulb is filled with fuel. Do not let the starter grip snap back – guide it slowly into the housing so that the starter rope can rewind properly. Continue cranking. SP 81...
  • Page 20 When engine begins to fire, follow and the throttle trigger to the procedure described under “When starting throttle position. engine begins to fire” Start the engine by pulling the starter rope firmly. 10 to 20 pulls may be necessary. SP 81...

  • Page 21: Operating Instructions

    Set the choke lever according to fuel tank and keep the unit in a dry place, engine temperature. away from sources of ignition, until you Now start the engine. need it again. Storing for a long period: see chapter "Storing the Machine". SP 81...

  • Page 22: Cleaning The Air Filter

    Install the foam element (3) in the the filter. filter cover (2). Remove the foam and felt filter Place felt element (4) (lettering elements. facing inward) in filter housing (5). Fit filter cover so that it snaps into position. SP 81...
  • Page 23 Adjust engine idle speed with the same direction. the idle speed screw (LA) so that It is possible that maximum engine the rakes do not run. speed will be reached with the standard setting. see “Guide to Using this Manual” SP 81...

  • Page 24: Spark Arresting Screen In Muffler

    Clean dirty spark plug. If screen is damaged or coked up, fit Check electrode gap (A) and a new one. readjust if necessary – see "Specifications". Refit the spark arresting screen. see “Guide to Using this Manual” SP 81...

  • Page 25: Replacing The Starter Rope And Rewind Spring

    Fit a new spark plug after about 100 operating hours – or sooner if the electrodes are badly eroded. Install only suppressed spark plugs of the type approved by STIHL – see "Specifications". To reduce the risk of arcing and fire: On all spark plugs:...
  • Page 26 "Special Accessories" – do not open rope rotor. To help reduce the risk of rope through the top of the grip and the wire retainer! injury, wear face protection and the rope bushing (7). gloves. Refit the cap in the grip. SP 81...
  • Page 27 Take one turn of rope off the rotor. spring anchor loop (8) engages. Insert the screw (5) and tighten it Go to "Fitting the Starter Cover". down securely. Go to "Tensioning the Rewind Spring". SP 81...

  • Page 28: Storing The Machine

    If no grease can be seen on the inside of the screw plug, screw the Store the machine in a dry, high or tube of STIHL grease for hedge locked location – out of the reach of trimmers (2) into the filler hole.

  • Page 29: Maintenance

    Check the condition of the O-rings and replace them if there are any signs of damage. Squeeze the tube of STIHL SP bearing grease to obtain a short length of grease. Coat each pin with bearing grease. Removing and Installing...
  • Page 30 – do not bend the tines in this process. The difference between the two dimensions (b - a) must be less than 4 mm. If this is not the case, have the machine repaired by your servicing dealer. SP 81...

  • Page 31: Maintenance Chart

    Spark plug Replace after 100 hours of operation Cylinder fins Clean Accessible screws and nuts Retighten (not adjusting screws) Check Antivibration element (rubber buffer) Replace Check Gearbox lubrication Top up Safety labels Replace STIHL recommends a STIHL servicing dealer SP 81...

  • Page 32: Minimize Wear And Avoid Damage

    – Rakes precautions, operating and maintenance only by an authorized STIHL servicing – Drive and mounting hardware for instructions in this manual. This includes dealer. STIHL servicing dealers are able rakes (e.g.

  • Page 33: Main Parts And Controls

    10 Throttle trigger 11 Spark plug boot 12 Air filter cover 13 Machine support 14 Muffler 15 Fuel tank 16 Tank cap 17 Carburetor adjusting screws 18 Choke lever 19 Fuel pump 20 Starter grip # Serial number SP 81...

  • Page 34: Specifications

    Overall length: 2050 mm Gearhead with rakes: 390 mm Noise and vibration measurements include idling and rated maximum speed in a ratio of 1:6. For further details concerning compliance with the employers' directive on vibrations 2002/44/EC see www.stihl.com/vib/. SP 81...

  • Page 35: Special Accessories

    Also for resting machine on right approved by STIHL for this power tool thigh during operation. or are technically equivalent. Only use high-quality replacement parts in order...
  • Page 36 English SP 81...
  • Page 37 English SP 81...
  • Page 38 0458 413 0121 englisch / English...

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