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Operator's manual
545, 545 TrioBrake, 550XP
550XP TrioBrake, 550XPG
550XPG TrioBrake
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 read the operator's manual carefully and make sure you understand the instructions before using the machine.


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   Summary of Contents for Husqvarna 545 TrioBrake

  • Page 1

    Operator′s manual 545, 545 TrioBrake, 550XP 550XP TrioBrake, 550XPG 550XPG TrioBrake 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 read the operator’s manual carefully and make sure you understand the instructions before using the machine.

  • Page 2: Key To Symbols

    KEY TO SYMBOLS Symbols on the machine: Chain oil fill. WARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. Adjustment of the oil pump Please read the operator’s manual carefully and make sure you understand the instructions before using the If your machine bears this symbol it...

  • Page 3: Symbols In The Operator's Manual

    KEY TO SYMBOLS Symbols in the operator’s manual: Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance. CAUTION! The start/ stop switch automatically returns to run position. In order to prevent unintentional starting, the spark plug cap must be removed from the spark plug when assembling, checking...

  • Page 4: Table Of Contents

    CONTENTS Contents TECHNICAL DATA Technical data ............39 KEY TO SYMBOLS Guide bar and saw chain combinations ....41 Symbols on the machine: ........2 Saw chain filing and file gauges ......41 Symbols in the operator’s manual: ......3 EC Declaration of Conformity .......

  • Page 5: Introduction

    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 Husqvarna River, for production of muskets.

  • Page 6: What Is What

    18 Decompression valve Throttle trigger lockout 19 Switch for heated handle (550XPG, 550XPG TrioBrake) Rear handle 20 Right-hand brake trigger (545 TrioBrake, 550XP Information and warning decal TrioBrake, 550XPG TrioBrake) Combined start and stop switch 21 Right hand guard Fuel level window...

  • Page 7: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Before using a new chain saw WARNING! Never allow children to use or be in the vicinity of the machine. As the • Please read this manual carefully. machine is equipped with a spring- • Check that the cutting equipment is correctly fitted and loaded stop switch and can be started by adjusted.

  • Page 8: Always Use Common Sense

    GENERAL SAFETY PRECAUTIONS Always use common sense • Trousers with saw protection • Boots with saw protection, steel toe-cap and non-slip It is not possible to cover every conceivable situation you sole can face when using a chain saw. Always exercise care •...

  • Page 9

    GENERAL SAFETY PRECAUTIONS Take care when using your saw and make sure the • Use the chain brake as a ”parking brake” when kickback zone of the bar never touches any object. starting and when moving over short distances, to reduce the risk of moving chain accidentally hitting your leg or anyone or anything close by.

  • Page 10: Chain Catcher

    GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be control (B). When you release the handle the throttle activated by the inertia action. control and the throttle lockout both move back to their original positions. This arrangement means that the throttle control is automatically locked at the idle setting.

  • Page 11: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS WARNING! Overexposure to vibration WARNING! Never use a saw without a can lead to circulatory damage or nerve muffler, or with a damaged muffler. A damage in people who have impaired damaged muffler may substantially circulation. Contact your doctor if you increase the noise level and the fire experience symptoms of overexposure hazard.

  • Page 12: Sharpening Your Chain And Adjusting Depth Gauge Setting

    Drive link width (mm/inches) 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 13

    GENERAL SAFETY PRECAUTIONS • A sharp chain eats its way through the wood and Sharpening cutting teeth produces long, thick chips or shavings. To sharpen cutting teeth you will need a round file and a file gauge. See instructions under the heading Technical data for information on the size of file and gauge that are recommended for the chain fitted to your chain saw.

  • Page 14: Tensioning The Chain

    GENERAL SAFETY PRECAUTIONS Tension the chain as tightly as possible, but not so tight WARNING! The risk of kickback is that you cannot pull it round freely by hand. increased if the depth gauge setting is too large! Adjustment of depth gauge setting •...

  • Page 15

    GENERAL SAFETY PRECAUTIONS Never use waste oil! Using waste oil can be dangerous • Check that the groove in the edge of the bar is clean. to you and damage the machine and environment. Clean if necessary. IMPORTANT! When using vegetable based saw chain oil, dismantle and clean the groove in the bar and saw chain before long-term storage.

  • Page 16

    GENERAL SAFETY PRECAUTIONS Checking wear on cutting equipment WARNING! Most chain saw accidents happen when the chain touches the operator. Wear personal protective equipment. See Check the chain daily for: instructions under the ”Personal • Visible cracks in rivets and links. protective equipment”...

  • Page 17: Assembly

    ASSEMBLY Fitting the bar and chain chain is correctly located in the groove in the bar. Tighten the bar nuts finger tight. WARNING! Always wear gloves, when working with the chain. • Tension the chain by turning the chain tensioning •...

  • Page 18: Fuel Handling

    Environment fuel • Mix (shake) the fuel mixture thoroughly before filling HUSQVARNA recommends the use of alkylate fuel, either the machine’s fuel tank. Aspen two-stroke fuel or environmental fuel for four-stroke engines blended with two-stroke oil as set out below.

  • Page 19: Fueling

    FUEL HANDLING Fueling • Move the machine at least 3 m from the refuelling point before starting it. WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the engine and let it cool for •...

  • Page 20: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Air purge (3): Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm (about 6 times). The diaphragm need not be completely filled. WARNING! Note the following before starting: The chain brake must be engaged when the chain saw is started to reduce the chance of contact with the moving chain during starting.

  • Page 21: Starting And Stopping

    STARTING AND STOPPING Pull the starter handle with your right hand and pull out the • Never start the machine indoors. Exhaust fumes can starter cord slowly until you feel a resistance (as the be dangerous if inhaled. starter pawls engage) then pull firmly and rapidly until the •...

  • Page 22: Working Techniques

    WORKING TECHNIQUES Before use: • To make sure that none of the above might come within reach of your saw or be injured by falling trees. 6, 8 CAUTION! Follow the instructions above, but do not use a Check that the chain brake works correctly and is not chain saw in a situation where you cannot call for help in damaged.

  • Page 23: General Rules

    WORKING TECHNIQUES When you put the chain saw on the ground, lock the log or one piece at a time. Remove the cut pieces to saw chain using the chain brake and ensure you have keep your working area safe. a constant view of the machine.

  • Page 24: Basic Cutting Technique

    WORKING TECHNIQUES Unless the user resists this pushing force there is a There are five important factors you should consider risk that the chain saw will move so far backwards that before making a cut: only the kickback zone of the bar is in contact with the Make sure the cutting equipment will not jam in the tree, which will lead to a kickback.

  • Page 25: Tree Felling Technique

    WORKING TECHNIQUES Cut difficult branches piece by piece. Turn the log and finish the cut from the opposite side. The log is supported at one end. There is a high risk that it will split. Cutting WARNING! Never attempt to cut logs while they are in a pile or when a couple of logs are lying together.

  • Page 26

    WORKING TECHNIQUES Felling direction Clearing the trunk and preparing your retreat The aim is to fell the tree in a position where you can limb Delimb the stem up to shoulder height. It is safer to work and cross-cut the log as easily as possible. You want it to from the top down and to have the tree between you and fall in a location where you can stand and move about the saw.

  • Page 27

    WORKING TECHNIQUES Next make the bottom cut so that it finishes exactly at the The felling hinge controls the direction that the tree falls in. end of the top cut. All control over the felling direction is lost if the felling hinge is too narrow or non-existent, or if the directional cuts and felling cut are badly placed.

  • Page 28: How To Avoid Kickback

    WORKING TECHNIQUES Freeing a tree that has fallen badly Make one or more cuts at or near the point of maximum tension. Make as many cuts of sufficient depth as Freeing a ”trapped tree” necessary to reduce the tension and make the tree or branch break at the point of maximum tension.

  • Page 29

    WORKING TECHNIQUES was being used when the kickback zone of the bar touched the object. Kickback only occurs if the kickback zone of the bar touches an object. Limbing WARNING! A majority of kickback accidents occur during limbing. Do not use the kickback zone of the guide bar.

  • Page 30: Maintenance

    Carburettor adjustment demands special training. This is especially true of the machine’s safety equipment. If your machine fails any of Your Husqvarna product has been designed and the checks described below we recommend that you manufactured to specifications that reduce harmful take it to your service workshop.

  • Page 31

    MAINTENANCE Checking the inertia brake release Checking the brake trigger • Place the chain saw on firm ground and start it. Make sure the chain does not touch the ground or any other object. See the instructions under the heading Start and stop.

  • Page 32: Muffler

    MAINTENANCE • Check that the throttle trigger and throttle lockout Stop switch move freely and that the return springs work properly. • Start the engine and make sure the engine stops when you move the stop switch to the stop setting. •...

  • Page 33: Starter Housing

    MAINTENANCE use a muffler if the spark arrestor mesh is missing or • Pull out the cord approx. 30 cm and hook it into the defective. notch in the rim of the pulley. Release the recoil spring by letting the pulley rotate slowly backwards. Remove the clip in the centre of the pulley.

  • Page 34: 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 35: Lubricating The Bar Tip Sprocket

    MAINTENANCE Adjustment of the oil pump clean it and check that the electrode gap is 0,5 mm. The spark plug should be replaced after about a month in operation or earlier if necessary. The oil pump is adjustable. Adjustments are made by turning the screw using a screwdriver or combination spanner.

  • Page 36: Air Injection" Centrifugal Cleaning

    MAINTENANCE Temperature 0° ° ° ° C or colder: Cylinder cover (directs cold air over the cylinder). The intermediate wall is designed so it can be adjusted for running in cold weather, so that preheated air from the cylinder can pass into the carburettor space preventing icing of the air filter, etc.

  • Page 37: Heated Handles

    MAINTENANCE Heated handles 550XPG, 550XPG TrioBrake On models with the model code XPG both the front handle bar and the rear handle are equipped with electrical heating coils. These are supplied with electricity from a generator built into the chain saw. When the switch is pushed upwards, the heat is switched on.

  • Page 38: Maintenance Schedule

    MAINTENANCE Maintenance schedule The following is a list of the maintenance steps that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Monthly maintenance Check the brake band on the chain brake for wear.

  • Page 39: Technical Data

    TECHNICAL DATA Technical data 545 TrioBrake 550XP Engine Cylinder displacement, cm 50,1 50,1 50,1 Cylinder bore, mm Stroke, mm 34,5 34,5 34,5 Idle speed, rpm 2800 2800 2800 Power, kW/ rpm 2,5/9600 2,5/9600 2,8/10200 Ignition system Spark plug NGK CMR6H...

  • Page 40

    TECHNICAL DATA 550XP TrioBrake 550XPG 550XPG TrioBrake Engine Cylinder displacement, cm 50,1 50,1 50,1 Cylinder bore, mm Stroke, mm 34,5 34,5 34,5 Idle speed, rpm 2800 2800 2800 Power, kW/ rpm 2,8/10200 2,8/10200 2,8/10200 Ignition system Spark plug NGK CMR6H NGK CMR6H NGK CMR6H Electrode gap, mm...

  • Page 41: Guide Bar And Saw Chain Combinations

    TECHNICAL DATA Guide bar and saw chain combinations The following cutting attachments are approved for the models Husqvarna 545, 545 TrioBrake, 550XP, 550XP TrioBrake, 550XPG and 550XPG TrioBrake. Guide bar Saw chain Max. nose Length, drive Length, inch Pitch, inch...

  • Page 42: Contents 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 545, 545 TrioBrake, 550XP, 550XP TrioBrake, 550XPG and 550XPG TrioBrake from 2013’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 44

    Original instructions 1156736-26 ´®z+Xi^¶6~¨ ´®z+Xi^¶6~¨ 2014-07-09...

This manual also for:

550xpg triobrake, 550xp

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