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Husqvarna 1153136-26 Operator's Manual

Husqvarna chainsaw operator's manual
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Oper ator ' s manual
445 445e 450e
E E E E n n n n g g g g l l l l i i i i s s s s h h h h
Please r ead the operator's manual carefully and make sure you understand the instructions before using the machine.
1153136-26 Rev .1 2009-12-29

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  Summary of Contents for Husqvarna 1153136-26

  • Page 1 E E E E n n n n g g g g l l l l i i i i s s s s h h h h Please r ead the operator’s manual carefully and make sure you understand the instructions before using the machine. 1153136-26 Rev .1 2009-12-29...
  • Page 2 2 – English 1153136-26 Rev .1 2009-12-29...

  • Page 3: English

    1153136-26 Rev .1 2009-12-29 English – 3...
  • Page 4 4 – English 1153136-26 Rev .1 2009-12-29...

  • Page 5: English

    1153136-26 Rev .1 2009-12-29 English – 5...
  • Page 6 6 – English 1153136-26 Rev .1 2009-12-29...

  • Page 7: Key To Symbols

    Air purge Adjustment of the oil pump Other symbols/decals on the mac hine refer to special certification requirements for certain markets. 1153136-26 Rev .1 2009-12-29 KEY T O SYMBOLS Symbols in the operator’ s manual: Switch off the engine bef ore carrying out any checks or maintenance.

  • Page 8: Table Of Contents

    Winter use ... 29 Maintenance schedule ... 30 TECHNICAL D ATA T echnical data ... 31 Bar and chain combinations ... 32 Saw chain filing and file gauges ... 32 EC-declaration of conformity ... 33 8 – English CONTENTS 1153136-26 Rev .1 2009-12-29...

  • Page 9: Intr Oduction

    Husqvarna ′ s aim is also to be in the front edge according to ergonomics, usability, security and environmental protection. That is the reason why we have developed many different features to provide our products within these areas.

  • Page 10: General Safety Preca Utions

    WARNING! Faulty cutting equipment or the wrong combination of bar and saw chain increases the risk of kickback! Only use the bar/saw chain combinations we recommend, and follow the filing instructions. See instructions under the heading Technical data. 1153136-26 Rev .1 2009-12-29...

  • Page 11: Always Use Common Sense

    The life span of the machine can be reduced and the risk of accidents can increase if machine maintenance is not 1153136-26 Rev.1 2009-12-29 carried out correctly and if service and/or repairs are not carried out professionally. If you need further information please contact your nearest service workshop.
  • Page 12 (13) When fitting the mesh, make sure that the mesh is inserted in the right position. If necessary, use the combination spanner to insert or remove the mesh. 1153136-26 Rev.1 2009-12-29...

  • Page 13: Cutting Equipment

    To maintain the safety features of the cutting equipment, you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by Husqvarna. See instructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend.

  • Page 14: Tensioning The Chain

    (29) The position of the chain tensioning screw on our chain saws varies from model to model. See instructions under the heading What is what? to find out where it is on your model. 1153136-26 Rev.1 2009-12-29...

  • Page 15: Lubricating Cutting Equipment

    (a bar that is too long will use more chain oil). 1153136-26 Rev.1 2009-12-29 Checking chain lubrication • Check the chain lubrication each time you refuel. See instructions under the heading Lubricating the bar tip sprocket.
  • Page 16 See instructions under the heading General working instructions. Check that all the chain saw safety features are working. See instructions under the headings General working instructions and General safety precautions. 16 – English 1153136-26 Rev.1 2009-12-29...

  • Page 17: Assembly

    Check that the drive links of the chain fit correctly over the drive sprocket and that the chain is correctly located in the groove in the bar. 1153136-26 Rev.1 2009-12-29 ASSEMBLY Tension the chain by turning the wheel down (+). The chain should be tensioned until it does not sag from the underside of the bar.

  • Page 18: Fuel Handling

    When working with continuous high revs (e.g. limbing) a higher octane is recommended. Environment fuel HUSQVARNA recommends the use of alkylate fuel, either Aspen two-stroke fuel or environmental fuel for four-stroke engines blended with two-stroke oil as set out below. Note that carburettor adjustment may be necessary when changing the type of fuel (see the instructions under the heading Carburettor).

  • Page 19: Fuelling

    Use soap and water. If the machine is leaking fuel. Check regularly for leaks from the fuel cap and fuel lines. 1153136-26 Rev.1 2009-12-29 FUEL HANDLING WARNING! Never use a machine with visible damage to the spark plug guard and ignition cable.

  • Page 20: Starting And Stopping

    Note! Reactivate the chain brake by pushing the front hand guard back towards the front handle. The chain saw is now ready for use. WARNING! Long term inhalation of the engine’s exhaust fumes, chain oil mist and dust from sawdust can represent a health risk. 1153136-26 Rev.1 2009-12-29...

  • Page 21: Starting And Stopping

    CAUTION! The start/stop switch automatically returns to run position. To avoid involuntary start up, the spark plug cap must always be removed from the spark plug when the machine is unsupervised. (54) 1153136-26 Rev.1 2009-12-29 STARTING AND STOPPING – English...

  • Page 22: Working Techniques

    Remove the cut pieces to keep your working area safe. (57) WARNING! Sometimes chips get stuck in the clutch cover causing the chain to jam. Always stop the engine before cleaning. 1153136-26 Rev.1 2009-12-29...
  • Page 23 Limbing = Cutting branches off a felled tree. Splitting = When the object you are cutting breaks off before the cut is complete. 1153136-26 Rev.1 2009-12-29 WORKING TECHNIQUES There are five important factors you should consider before making a cut: Make sure the cutting equipment will not jam in the cut.

  • Page 24: Tree Felling Technique

    The uncut section of the trunk is called the felling hinge. WARNING! Unless you have special training we advise you not to fell trees with a diameter larger than the bar length of your saw! 1153136-26 Rev.1 2009-12-29...

  • Page 25: How To Avoid Kickback

    Continue to cut deeper until tree/limb bends and tension is released. (90) Cut tree/limb from outside the bend, after tension has been released. 1153136-26 Rev.1 2009-12-29 WORKING TECHNIQUES How to avoid kickback What is kickback? The word kickback is used to describe the sudden...

  • Page 26: Maintenance

    The user must only carry out the maintenance and service work described in this Operator’s Manual. More extensive work must be carried out by an authorized service workshop. Carburettor adjustment Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. Function •...

  • Page 27: Muffler

    In order to prevent unintentional starting, the spark plug cap must be removed from the spark plug when assembling, checking and/or performing maintenance. 1153136-26 Rev.1 2009-12-29 MAINTENANCE Muffler Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine.

  • Page 28: Air Filter

    A damaged air filter must always be replaced. A HUSQVARNA chain saw can be equipped with different types of air filter according to working conditions, weather, season, etc. Contact your dealer for advice.

  • Page 29: Cooling System

    Clean the air intake to the starter, the fins on the flywheel, the space around the flywheel, inlet pipe and carburettor compartment. 1153136-26 Rev.1 2009-12-29 MAINTENANCE Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by: •...

  • Page 30: Maintenance Schedule

    Clean the outside of the carburettor. Check the fuel filter and the fuel hose. Replace if necessary. Empty the fuel tank and clean the inside. Empty the oil tank and clean the inside. Check all cables and connections. 1153136-26 Rev.1 2009-12-29...

  • Page 31: Technical Data

    Husqvarna PR 17Y Husqvarna PR 17Y 0,45 0,45 0,26 0,26 Not adjustable Not adjustable 13"/33 13"/33 13-20/33-50 13-20/33-50 12-19/31-49 12-19/31-49 0,325/8,25 0,325/8,25 0,058/1,5, 0,050/1,3 0,058/1,5, 0,050/1,3 Spur/7 Spur/7 17,3 17,3 ) in conformity with EC directive 2000/14/ 1153136-26 Rev.1 2009-12-29...

  • Page 32: Bar And Chain Combinations

    Bar and chain combinations The following cutting attachments are approved for the models Husqvarna 445, 445e and 450e. Length, inch Pitch, inch 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 Saw chain filing and file gauges 32 – English...

  • Page 33: Ec-Declaration Of Conformity

    Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain saws for forest service Husqvarna 445, 445e and 450e from 2009’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the requirements of the COUNCIL’S DIRECTIVES:...
  • Page 34 34 – English 1153136-26 Rev.1 2009-12-29...
  • Page 35 1153136-26 Rev.1 2009-12-29 English – 35...
  • Page 36 Original instructions 1153136-26 ´®z+U-^¶6{¨ ´®z+U-^¶6{¨ 2009-12-29...

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