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Husqvarna 115 13 81-95 Operator's Manual

Epa iii
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Table of Contents
Operator's manual (EPA III)
445 445e 450e
Please read the operator's manual carefully and make sure you understand the instructions
before using the machine.
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
115 13 81-95 Rev.3 2008-12-15

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  Summary of Contents for Husqvarna 115 13 81-95

  • Page 1 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. 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 115 13 81-95 Rev.3 2008-12-15...

  • Page 2: Key To Symbols

    The engine exhaust from this product contains chemical known to the State of California to cause cancer, birth defects or other reproductive harm. 115 13 81-95 Rev.3 2008-12-15...

  • Page 3: Table Of Contents

    Maintenance schedule ... 38 TECHNICAL DATA Technical data ... 39 Bar and chain combinations ... 40 Saw chain filing and file gauges ... 40 115 13 81-95 Rev.3 2008-12-15 CONTENTS FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS 41...

  • Page 4: Introduction

    Dear customer! Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production of muskets.

  • Page 5: What Is What

    11 Starter 12 Chain oil tank 13 Product and serial number plate 14 Felling direction mark 15 Front handle 16 Front hand guard 115 13 81-95 Rev.3 2008-12-15 WHAT IS WHAT? 17 Muffler 18 Chain 19 Bar tip sprocket 20 Bar...

  • Page 6: General Safety Precautions

    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. 115 13 81-95 Rev.3 2008-12-15...

  • Page 7: Always Use Common Sense

    • Approved protective helmet • Hearing protection • Protective goggles or a visor 115 13 81-95 Rev.3 2008-12-15 • Gloves with saw protection • Trousers with saw protection • Boots with saw protection, steel toe-cap and non-slip sole •...
  • Page 8 In the felling position the left hand is in a position that makes manual activation of the chain brake impossible. With this type of grip, that is when the left hand is placed so that it cannot affect the movement 115 13 81-95 Rev.3 2008-12-15...

  • Page 9: Chain Catcher

    Only you and proper working technique can eliminate kickback and its danger. 115 13 81-95 Rev.3 2008-12-15 Throttle lockout The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e.

  • Page 10: Cutting Equipment

    Reduce the risk of kickback. • Reduce the risk of the saw chain breaking or jumping off the bar. • Obtain optimal cutting performance. • Extend the life of cutting equipment. • Avoid increasing vibration levels. 115 13 81-95 Rev.3 2008-12-15...

  • Page 11: General Rules

    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 12: Sharpening Your Chain And Adjusting Depth Gauge Setting

    This will help you obtain the maximum kickback reduction and cutting performance from your chain. See instructions under the heading Technical data for information about sharpening your chain. WARNING! Departure from the sharpening instructions considerably increases the risk of kickback. 115 13 81-95 Rev.3 2008-12-15...

  • Page 13: Tensioning The Chain

    WARNING! The risk of kickback is increased if the depth gauge setting is too large! 115 13 81-95 Rev.3 2008-12-15 Adjustment of depth gauge setting • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. We recommend that you adjust the depth gauge setting every third time you sharpen the cutting teeth.
  • Page 14 Adjust the tension on the chain by turning the wheel down (+) for tighter tension and up (-) to loosen the tension. • Tighten the bar clutch by turning the knob clockwise. • Fold the knob back in to lock the tensioning. 115 13 81-95 Rev.3 2008-12-15...

  • Page 15: Lubricating Cutting Equipment

    (a bar that is too long will use more chain oil). 115 13 81-95 Rev.3 2008-12-15 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. 115 13 81-95 Rev.3 2008-12-15...

  • Page 17: Assembly

    Tighten the bar nuts finger tight. Tension the chain by turning the chain tensioning screw clockwise using the combination spanner. The chain 115 13 81-95 Rev.3 2008-12-15 ASSEMBLY should be tensioned until it does not sag from the underside of the bar.
  • Page 18 When fitting a new chain, the chain tension has to be checked frequently until the chain is run-in. Check the chain tension regularly. A correctly tensioned chain ensures good cutting performance and long life. 18 – English 115 13 81-95 Rev.3 2008-12-15...

  • Page 19: 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 or environmental fuel for four-stroke engines blended with two-stroke oil as set out below. Note that carburetor adjustment may be necessary when changing the type of fuel (see instructions under the heading Carburetor).

  • Page 20: Fueling

    Long-term storage Empty the fuel/oil tanks in a well ventilated area. Store the fuel in approved cans in a safe place. Fit the bar guard. Clean the machine. See instructions under the heading Maintenance schedule. 115 13 81-95 Rev.3 2008-12-15...

  • Page 21: Starting And Stopping

    Grip the front handle with your left hand. Hold the chain saw on the ground by placing your right foot through the rear handle. 115 13 81-95 Rev.3 2008-12-15 STARTING AND STOPPING Pull the starter handle (4): Pull the starter handle with...
  • Page 22 Stop the engine by pushing the start/stop switch down. 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. 115 13 81-95 Rev.3 2008-12-15...

  • Page 23: Working Techniques

    See instructions under the headings How to avoid kickback and Machine’s safety equipment. Wear personal protective equipment. See instructions under the heading Personal protective equipment. 115 13 81-95 Rev.3 2008-12-15 WORKING TECHNIQUES Basic safety rules Look around you: •...
  • Page 24 Take great care when you cut with the top edge of the bar, i.e. when cutting from the underside of the object. This is known as cutting with a pushing chain. The chain tries to push the chain saw back towards the 115 13 81-95 Rev.3 2008-12-15...

  • Page 25: Basic Cutting Technique

    Cutting from below = Cutting with pushing chain. Cutting with a pushing chain increases the risk of kickback. See instructions under the heading How to avoid kickback. 115 13 81-95 Rev.3 2008-12-15 WORKING TECHNIQUES Terms Cutting = General term for cutting through wood.

  • Page 26: Tree Felling Technique

    The safe distance between a tree that is to be felled and anyone else working nearby is at least 2 1/2 tree lengths. Make sure that no-one else is in this ”risk zone” before or during felling. 115 13 81-95 Rev.3 2008-12-15...
  • Page 27 115 13 81-95 Rev.3 2008-12-15 WORKING TECHNIQUES Clearing the trunk and preparing your retreat Delimb the stem up to shoulder height. It is safer to work from the top down and to have the tree between you and the saw.
  • Page 28 There are methods for felling trees with a diameter larger than the bar length. However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree. 115 13 81-95 Rev.3 2008-12-15...

  • Page 29: How To Avoid Kickback

    Make one or more cuts at or near the point of maximum tension. Make as many cuts of sufficient depth as 115 13 81-95 Rev.3 2008-12-15 WORKING TECHNIQUES necessary to reduce the tension and make the tree or branch break at the point of maximum tension.
  • Page 30 Keep the trunk between you and the chain saw as you move along the trunk. 30 – English WORKING TECHNIQUES Cutting the trunk into logs See instructions under the heading Basic cutting technique. 115 13 81-95 Rev.3 2008-12-15...

  • Page 31: Maintenance

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

  • Page 32: Throttle Lockout

    Start the chain saw and apply full throttle. Release the throttle control and check that the chain stops and remains stationary. If the chain rotates when the throttle control is in the idle position you should check the carburetor idle adjustment. 115 13 81-95 Rev.3 2008-12-15...

  • Page 33: Muffler

    Regularly check the vibration damping units for cracks or deformation. Make sure the vibration damping units are securely attached to the engine unit and handle unit. 115 13 81-95 Rev.3 2008-12-15 MAINTENANCE Stop switch Start the engine and make sure the engine stops when you move the stop switch to the stop setting.

  • Page 34: Starter

    Note! Check that the pulley can be turned an additional 1/2 turn when the starter cord is pulled all the way out. Stretch the line with the handle. Move your thumb and release the line. See the figure below. 115 13 81-95 Rev.3 2008-12-15...

  • Page 35: Air Filter

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

  • Page 36: Spark Plug

    Cylinder cover (directs cold air over the cylinder). Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder. 115 13 81-95 Rev.3 2008-12-15...

  • Page 37: Air Injection" Centrifugal Cleaning

    • Partly mask the air inlet on the starter to increase the working temperature of the engine. 115 13 81-95 Rev.3 2008-12-15 MAINTENANCE Temperature -5° ° ° ° C (23° ° ° ° F) or colder: For running the machine in cold weather or powder snow, a special cover is available, which is mounted on the starter housing.

  • Page 38: Maintenance Schedule

    Clean the outside of the carburetor. Check fuel hose for cracks or other damage. Change if necessary. Empty the fuel tank and clean the inside. Empty the oil tank and clean the inside. Check all cables and connections. 115 13 81-95 Rev.3 2008-12-15...

  • Page 39: Technical Data

    Standard bar length, inch/cm Recommended bar lengths, inch/cm Usable cutting length, inches/cm Pitch, inch/mm Thickness of drive links, inch/mm Drive sprocket type/teeth Chain speed at max. power, m/sec 115 13 81-95 Rev.3 2008-12-15 TECHNICAL DATA 445e 2,79/45,7 2,79/45,7 1,65/42 1,65/42...

  • Page 40: Bar And Chain Combinations

    Chain saw models Husqvarna 445, 445e and 450e met the kickback performance requirements of ANSI B175.1-2000 when tested with the combinations of bars and saw chains listed below. The saw chain Husqvarna H30 is also classified as a low kickback saw chain since it met the requirements for low kickback saw chain outlined in ANSI B175.1-2000. We recommend to use only the listed combinations of bars and chains for chain saw models Husqvarna 445, 445e and 450e.

  • Page 41: Federal Emission Control Warranty Statement Your Warranty Rights And Obligations

    30 days. If you have any questions regarding your warranty rights and responsibilities, you should contact your nearest authorized servicing dealer or call Husqvarna Forest & Garden at 1- 800-487-5951 or visit www.usa.husqvarna.com. WARRANTY COMMENCEMENT DATE The warranty period begins on the date small nonroad engine is delivered.

  • Page 42: American Standard Safety Precautions

    flywheel could occur and subsequently cause the flywheel to burst.) When transporting your chain saw, use the appropriate guide bar guard. Note: This Annex is intended primarily for the consumer or occasional user. 115 13 81-95 Rev.3 2008-12-15...
  • Page 44 1151381-95 ´®z+SF3¶5M¨ ´®z+SF3¶5M¨ 2008-12-15 115 13 81-95 Rev.3 2008-12-15...

This manual is also suitable for:

445445e450e