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Solo 644 Instruction Manual

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644 // 651 / 651H / 651SP // 656 / 656H / 656SP

Instruction manual

Chain saw

Important!
Read this instruction manual carefully before
first operation and strictly observe the safety
regulations!
9644130 english
08/2007

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Summary of Contents for Solo 644

  • Page 1: Instruction Manual

    644 // 651 / 651H / 651SP // 656 / 656H / 656SP Instruction manual Chain saw Important! Read this instruction manual carefully before first operation and strictly observe the safety regulations! 9644130 english 08/2007...
  • Page 2 SOLO chainsaw. • the ergonomic design of the overall The combination of state-of-the-art...

  • Page 3: Table Of Contents

    During assembly, cleaning, maintenance and repair Before starting the tool Starting the tool When working with the saw 3. Your SOLO chainsaw......................12 Standard delivery Designation of important controls and functional parts Symbols on the equipment and on the type plate...

  • Page 4: Information About These Operating Instructions

    Information about these operating instructions - Notational conventions used in the operating instructions 1. Information about these operating instructions These operating instructions are an integral part of the equipment. They contain important information and instructions for handling the equipment. Always follow any specified safety regulations and instructions, as they are a prerequisite for ensuring that you work safely with the equipment.
  • Page 5 Information about these operating instructions - Notational conventions used in the operating instructions, - Copyright In addition, the following pictograms are used in these operating instructions to represent the relevant functional parts of the equipment: Grip heating switch Models 651H / 656H only Chain lubrication: Symbol above the tank cap for chain lubrication.
  • Page 6 Safety regulations - Correct use, - General safety instructions 2. Safety regulations 2.1 Correct use The chainsaw must only be used to cut wood or wooden objects. It must only be used in the working situations described in Chapter 7, "Using the chainsaw". Loose cutting objects must be safely secured (e.g.
  • Page 7 We recommend: • SOLO forest and countryside work jacket EN 340 Part no: 99 303 000 + size (2[s] - 6[xxl]) • SOLO Outdoor Knee-breeches Part no: 99 020 95 + size (024 - 106) •...

  • Page 8: Fuelling

    Safety regulations - Fuelling, - When transporting the equipment 2.4 Fuelling Petrol is very light and highly flammable. Keep away from open flames and never spill fuel. Do not smoke at the operating site or at and near the refuelling site! •...

  • Page 9: During Assembly, Cleaning, Maintenance And Repair

    Safety regulations - Beim Zusammenbau, Reinigung, bei Wartung und Reparatur, Before starting the tool 2.6 During assembly, cleaning, maintenance and repair • The power tool must not be assembled, maintained, repaired or stored in the vicinity of naked flames. • The engine must be switched off and the stop switch set to "Stop“...

  • Page 10: Starting The Tool

    Safety regulations - Starting the tool, When working with the saw 2.8 Starting the tool • The power tool must only be started up if it is fully assembled. • When starting the tool, keep a minimum distance of 3 metres to where the tool was refuelled. Never start the device in an enclosed room.
  • Page 11 Safety regulations - When working with the saw - Never touch the ground with the chainsaw while it is running. - Do not use the saw to prise off or scoop away pieces of wood or other objects. - Longitudinal cuts should be made at as flat an angle as possible. Special care is required here, as the bumper spikes cannot engage.

  • Page 12: Standard Delivery

    • Depending on the selected version, possibly the guide rail, saw chain, chain guard • Models 644, 651SP, 651 ,651H and 656SP: sprocket 0.325’’ – 7, preassembled • Models 656 and 656H: sprocket 0.325’’ - 7 and sprocket 3/8’’ – 7, not preassembled •...
  • Page 13 Your SOLO chainsaw - Designation of important controls and functional parts View: profile from the left 22a/ 22b Not always standard, depending on the version View: front-left View: rear View: bottom ENGLISH 13...

  • Page 14: Symbols On The Equipment And On The Type Plate

    Your SOLO chainsaw - Symbols on the equipment and on the type plate, - Components and functional parts under the cowl 3.3 Symbols on the equipment and on the type plate Before starting the engine, make sure that you are wearing...
  • Page 15 Your SOLO chainsaw - Components and functional parts under the cowl Settings for winter operation / standard operation In order to prevent icing on the carburettor at low outside temperatures (below 5°C), the intake air can be preheated by setting the slide valve (33) to winter mode.

  • Page 16: Throttle Control Lock And Throttle Control

    Your SOLO chainsaw - Throttle control lock and throttle control, - Chain lubrication adjusting screw, - Grip heating (models 651H / 656H only) 3.5 Throttle control lock and throttle control To release the throttle control (11): • Hold the rear handle with your right hand - the...

  • Page 17: Functional Parts For Starting Up The Chainsaw

    Your SOLO chainsaw - Functional parts for starting up the chainsaw Functional parts for starting up the chainsaw Primer (21) On delivery, after extended periods in which the chain saw has not been used and if the tank has been run completely dry there will be no fuel mixture in the carburettor immediately after refuelling.

  • Page 18: Chain Brake

    Your SOLO chainsaw - Chain brake 3.9 Chain brake When the chain brake is activated, it stops the saw chain in a fraction of a second. Automatic engagement: In an emergency, the chain brake engages instantly in response to the inertia caused by kickback.
  • Page 19 Your SOLO chainsaw - Specification 3.10 Specification 651 / 656 / Chain saw 651SP 656SP 651H 656H Engine type SOLO single cylinder two-stroke engine Engine capacity Bore / stroke 42 / 32,6 45 / 32 47 / 32 Max. power...

  • Page 20: Assembly Of The Guide Bar And Chain

    Preparing the equipment for use - Assembly of the guide bar and chain 4. Preparing the equipment for use 4.1 Assembly of the guide bar and chain • Undo the retaining nuts on the rail cover (12). • Take off the rail cover. •...

  • Page 21: Adjusting The Chain Tension

    Preparing the equipment for use - Adjusting the chain tension 4.2 Adjusting the chain tension The chain has the correct tension if it makes full contact with the guide bar but can still be lifted off the guide bar by hand by around 2 - 4 mm. 13a* 13b* 13a / 13b: depending on the version...
  • Page 22 SOLO 2T engine Other two- After that we recommend a ratio of 50:1 (2%) with the stroke oils use of special two-stroke oil "SOLO 2T engine oil" 2% (50 : 1) 4% (25 : 1) which we can supply. 0,020...
  • Page 23 If the saw is used regularly we recommend the use of biodegradable chainsaw oil. • The bio-chainsaw oil available from SOLO (order no. 00 83 107, 1 litre) has been awarded the German blue angel symbol for eco friendliness (RAL UZ 48).

  • Page 24: Starting Positions

    Starting / Stopping the engine - Starting positions, - Starting settings and start-up 5. Starting / Stopping the engine 5.1 Starting positions • Take off the chain guard. • Place the power tool on level ground which is free of obstructions and make sure that the cutting tool is not touching anything.

  • Page 25: Engine Will Not Start

    Starting / Stopping the engine - Starting settings and start-up, - Engine will not start [Basic settings (chain brake, standard or winter operation, stop switch, primer) as described in the previous paragraph. ] Cold start: • Pull the choke lever (7) (this also activates the part-throttle setting) [part throttle control pin (8) is pulled along].
  • Page 26 Starting / Stopping the engine - Switching the engine off, Hazards caused by kickback 5.4 Switching the engine off Release the throttle control and move the stop switch to the "Stop" position. Always make sure that the cutting tool has come to a complete standstill before placing the machine down.
  • Page 27 Hazards caused by kickback 2. Contact point (or sticking point during a cut) in the upper area of the guide rail: Danger: • The chainsaw is kicked suddenly in the direction of the operator. • The magnitude of the acceleration and the uncontrolled response of the operator can result in serious accidents.

  • Page 28: Using The Chainsaw

    Using the chainsaw 7. Using the chainsaw Please make sure that you follow all safety instructions and all information in the other chapters of these operating instructions whenever performing any work on or with the chainsaw. Check list for use (key points only): ........! •...

  • Page 29: Cutting To Length

    Using the chainsaw - Cutting to length, - Cutting branches which are under tension 7.1 Cutting to length • you have a secure footing. Make sure that • Clean the area which is to be cut of any foreign bodies like sand, stones, nails etc. Foreign bodies can cause dangerous kickback.

  • Page 30: Removing Branches

    Using the chainsaw - Removing branches, - Felling 7.3 Removing branches • Do not cut through free-hanging branches from underneath. • Do not remove branches while standing on the trunk. • Remove any obstructing branches before you start sawing. • If you change your standing point, remember that the guide bar must always be on the side of the trunk facing away from your body.
  • Page 31 Using the chainsaw - Felling Consider the general condition of the tree: • Hanging direction – loose or dry branches – height of the tree – natural overhang – is the tree diseased? • You also need to take into account the wind speed and wind direction. Do not fell a tree under heavy, gusting winds.

  • Page 32: Maintenance And Care Of The Cutting Gear

    Generall information saw chain Every saw chain is matched to the relevant chainsaw type in terms of its form, cutting performance and design. Only use the genuine SOLO saw chain which is approved for your chainsaw / guide bar type.
  • Page 33 Operating and maintenance information - Maintenance and care of the cutting gear Sharpening the saw chain Just like any other cutting tool, the saw chain is subject to natural wear. Your chainsaw will only be able to deliver its full potential if the saw chain is correctly sharpened. Symptoms of a blunt saw chain or one which has been sharpened incorrectly: o Poor cutting performance and floury chippings ! the saw chain is blunt.
  • Page 34 Tip: We recommend the use of two saw chains per sprocket, and that both chains should be replaced as frequently as possible so that all of the components wear evenly. Once a certain wear limit is reached, replace all of the parts together again. 644, 651, 651H, 656, 656H 651SP, 656SP Schematic diagram...

  • Page 35: Carburettor Settings

    Operating and maintenance information - Carburettor settings 8.2 Carburettor settings The carburettor is preset to the optimum settings for the device at the factory. Depending on the particular location where the chainsaw is used (mountains, flat country) it may be necessary to adjust the idling settings via the idle stop screw "T"...

  • Page 36: Maintenance Of The Air Filter

    Operating and maintenance information - Maintenance of the air filter 8.3 Maintenance of the air filter Dirty air filters and pre-filters reduce the power output of the engine. They increase fuel consumption and therefore the pollutants in the exhaust. In addition they also make the starting process more difficult.

  • Page 37: Maintenance Of The Chain Brake

    Operating and maintenance information - Maintenance of the chain brake, - Vibration damping, - Spark plug information; - Replacing the fuel filter 8.4 Maintenance of the chain brake Check for ease of movement and correct operation on a daily basis. Remove any resin, sawdust and dirt Grease should be applied to all visible joints and bearings approximately once a week (indicated with...

  • Page 38: Scheduled Maintenance

    Operating and maintenance information - Scheduled maintenance 8.8 Scheduled maintenance The following information is based on standard operating conditions. For special conditions, such as prolonged daily use, the recommended maintenance intervals should be reduced accordingly. Implement all maintenance jobs regularly. If required, authorise a specialist service centre to maintain the machine for you.

  • Page 39: Self-Help Tips

    Only use the eco-friendly cleaning agents available from a specialist retailer. Do not use fuel to clean the chainsaw. Tip: "SOLO Universal Cleaner" (Order no.: 00 83 116). After a short soaking-in period even the toughest, most baked-on residue can be easily wiped off with a cloth.
  • Page 40 46 cm / 18’’ .058’’ / 1,5 mm 69 00 884 69 00 861 Models 644, 651, 651H, 656, 656H - Half bit (half-round cutting tooth) - Code: 21BP… - Pitch .325’’ .325’’ 33 cm / 13’’ .058’’ / 1,5 mm...
  • Page 41 00 83 112 Electric chain sharpener 60 00 206 200 l barrel 00 83 114 “Jolly“ 220V SOLO Professional 2-stroke engine oil SOLO Professional 2-stroke 00 83 103 engine oil, 100 ml SOLO Professional 2-stroke 00 83 104 engine oil...
  • Page 42 Our protective and practical clothing is not only functional and fashionable, but also comfortable and easy to wear. We develop these products with an eye to the latest textile research results and, of course, in close collaboration with professional users. Protective and practical clothing...
  • Page 43 2 SOLO Fit safety gloves: In soft kid, ments of European standard EN 397:1995. reinforced palm, nylon/spandex backs, The helmet is made of newly developed...

  • Page 44: Parts Subject To Wear And Tear

    Parts subject to wear and tear, Guarantee 10. Parts subject to wear and tear Various parts are subject to application-specific or normal wear and must be replaced in good time, when required. The following parts are subject to normal wear and are not covered by the manufacturer's guarantee: •...

  • Page 45: Ce Declaration Of Conformity

    Solo's small non-road power equipment engines are warranted for a period of two years. If any emission control related part on your engine is defective, the part will be repaired or replaced by Solo. Contact Information for Authorized Service Center Locations, Replacement Parts, Warranty and Technical Information Warranty repairs must be completed by a SOLO Authorized Service Center.
  • Page 46 Made in Germany SOLO SOLO Postfach 60 01 52 P.O.Box 60 01 52 D 71050 Sindelfingen D 71050 Sindelfingen Germany Tel. 07031-301-0 Phone+49-7031-301-0 Fax 07031-301-130 +49-7031-301-149 info@solo-germany.com export@solo-germany.com...

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