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Oper ator ' 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 r ead 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

  • Page 1

    Oper ator ′ 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...

  • Page 2

    KEY T O SYMBOLS Symbols on the mac hine: Ignition; choke: Set the choke control in the choke position. This should W ARNING! Chain saws can be automatically set the stop switch to the dangerous! Careless or incorrect use start position. can result in serious or fatal injury to the operator or others.

  • Page 3

    KEY T O SYMBOLS Symbols in the operator’ s manual: Switch off the engine b y 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 D ATA T echnical data ............37 KEY TO SYMBOLS Guide bar and chain combinations ....... 39 Symbols on the machine: ........2 Saw chain filing and file gauges ......39 Symbols in the operator’s manual: ......3 EC-declaration of conformity .........

  • Page 5: Dear Customer

    The business concept is to develop, manufacture and market motor driven products for forestry and gardening as well as for building and construction industry. Husqvarna ′ s aim is also to be in the front edge according to ergonomics, usability, security and environmental protection.

  • Page 6

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

  • Page 7: Bef Ore Using A New Chain Saw, Important

    GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw W ARNING! 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- •...

  • Page 8: Always Use Common Sense, Personal Protective Equipment, Machine ' S Safety Equipment

    GENERAL SAFETY PRECA UTIONS Al ways use common sense • Boots with saw protection, steel toe-cap and non-slip sole It is not possib le to cover every conceivable situation you • Always have a first aid kit nearby. can face when using a chain saw. Always exercise care •...

  • Page 9: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS • The chain brake (A) can either be activated manually • To release the chain brake pull the front hand guard (by your left hand) or automatically by the inertia backwards, towards the front handle. release mechanism. •...

  • Page 10

    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

    Chain pitch (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: Sharpening Your Chain And Adjusting Depth Gauge Setting

    GENERAL SAFETY PRECAUTIONS Sharpening your chain and adjusting Sharpening cutting teeth depth gauge setting General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you To sharpen cutting teeth you will need a round file and a have to exert more pressure to force the bar through file gauge.

  • Page 14: Tensioning The Chain

    GENERAL SAFETY PRECAUTIONS Adjustment of depth gauge setting Tension the chain as tightly as possible, but not so tight that you cannot pull it round freely by hand. • 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 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 heading ”Personal • Visible cracks in rivets and links. protective equipment”.

  • Page 17: Fitting The Bar And Chain

    ASSEMBLY Fitting the bar and chain 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 screw Check that the chain brake is in disengaged position by clockwise using the combination spanner.

  • Page 18: Fuel

    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: Fueling, Fuel Safety

    FUEL HANDLING Fueling Fuel safety • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (petrol and 2-stroke oil). • Move the machine at least 3 m from the refuelling point before starting it.

  • Page 20: Star Ting And Stopping

    STARTING AND STOPPING Starting and stopping starter pawls engage) then pull firmly and rapidly until the engine fires. Push down the red choke control as soon as the engine WARNING! Note the following before fires which can be heard through a "puff" sound. Keep on starting: pulling the cord powerfully until the engine starts.

  • Page 21: Starting And Stopping

    STARTING AND STOPPING Note! Reactivate the chain brake by pushing the front should use this grip. Use a firm grip with thumbs and hand guard back towards the front handle. The chain saw fingers encircling the chain saw handles. 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...

  • Page 22: Before Use:, General Working Instructions

    WORKING TECHNIQUES Before use: • To ensure that people, animals or other things cannot affect your control of the machine. • To make sure that none of the above might come within reach of your saw or be injured by falling trees. CAUTION! Follow the instructions above, but do not use a chain saw in a situation where you cannot call for help in case of an accident.

  • Page 23: Working Techniques

    WORKING TECHNIQUES right-handed or left-handed. This grip minimises the You must have a steady stance in order to have full effect of kickback and lets you keep the chain saw control over the chain saw. Never work standing on a under control.

  • Page 24: Basic Cutting Technique

    WORKING TECHNIQUES chain use only combinations that are recommended Is there a risk of kickback? by us. See instructions under the headings Cutting equipment and Technical data. Basic cutting technique WARNING! Never use a chain saw by holding it with one hand. A chain saw is Do the conditions and surrounding terrain affect how not safely controlled with one hand.

  • Page 25: Tree Felling Technique

    WORKING TECHNIQUES inadvertently getting a kickback, as well as increasing the Start by cutting from above (about 1/3 of the way through). risk of losing your balance while working. Finish by cutting from below so that the two cuts meet. Tree felling technique The log is lying on the ground.

  • Page 26

    WORKING TECHNIQUES there is high accident risk. See instructions under the further forward in the terrain, where you would like the tree heading Freeing a tree that has fallen badly. to fall (2). Stand on the right-hand side of the tree, behind the saw, and cut with a pull stroke.

  • Page 27: Freeing A Tree That Has Fallen Badly

    WORKING TECHNIQUES Finish the felling cut parallel with the directional cut line so Freeing a tree that has fallen badly that the distance between them is at least 1/10 of the Freeing a ”trapped tree” trunk diameter. The uncut section of the trunk is called the felling hinge.

  • Page 28: How To Avoid Kickback

    WORKING TECHNIQUES Continue to cut deeper until tree/limb bends and tension Kickback only occurs if the kickback zone of the bar is released. touches an object. Cut tree/limb from outside the bend, after tension has been released. Limbing How to avoid kickback WARNING! A majority of kickback accidents occur during limbing.

  • Page 29: Gener Al, Carburettor Adjustment, Checking, Maintaining And Servicing Chain Saw Safety Equipment

    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 30

    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. Place the chain saw, with the engine switched off, on a stump or other stable surface.

  • Page 31: 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 32: Starter

    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 33: Air filter, Spark Plug

    A damaged air filter must always be replaced. Fitting the starter A HUSQVARNA chain saw can be equipped with different types of air filter according to working conditions, weather, • To fit the starter, first pull out the starter cord and place season, etc.

  • Page 34: Lubricating The Bar Tip Sprocket, Needle Bearing Lubrication, Adjustment Of The Oil Pump, Cooling System

    MAINTENANCE Lubricating the bar tip sprocket Recommended settings: Bar 13"-15": Minimum flow Bar 16”-18”: Medium flow Bar -20": Maximum flow Lubricate the bar tip sprocket each time you refuel. Use WARNING! The engine must not be the special grease gun and a good quality bearing grease. running when making adjustments.

  • Page 35: Air Injection" Centrifugal Cleaning, Winter Use, Heated Handles

    MAINTENANCE ”Air Injection” centrifugal For temperatures below -5°C and/or in snow conditions a special cover is available, which is mounted on the starter cleaning housing. Centrifugal cleaning means the following: All air to the carburettor passes through the starter. Dirt and dust is centrifuged out by the cooling fan.

  • Page 36: Maintenance Schedule

    MAINTENANCE Maintenance schedule The following is a list of the maintenance 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 On chain saws without a catalytic brake for wear.

  • Page 37: 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 38

    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 39

    TECHNICAL DATA Guide bar and 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 Gauge, mm...

  • Page 40

    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 2011’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 1154131-26 ´®z+V-,¶6!¨ ´®z+V-,¶6!¨ 2011-11-02...

This manual also for:

Gnc 255a, Gnc 255b

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