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Husqvarna 55 Rancher Operator's Manual

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Oper ator ' s manual
55 Rancher
Please read the oper ator'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

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  Summary of Contents for Husqvarna 55 Rancher

  • Page 1 Oper ator ′ s manual 55 Rancher Please read the oper ator’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...
  • Page 2: Key To Symbols

    KEY T O SYMBOLS Symbols on the mac hine: Symbols in the operator’ s manual: W ARNING! Chain saws can be dangerous! Careless or incorrect use can Switch off the engine b y moving the stop result in serious or fatal injury to the switch to the STOP position before operator or others.
  • Page 3: Table Of Contents

    CONTENTS Contents KEY TO SYMBOLS Symbols on the machine: ........2 Symbols in the operator’s manual: ....... 2 CONTENTS Contents ............... 3 INTR ODUCTION Dear Customer , ............ 4 WHA T IS WHAT? What is what on the chain sa w? ......5 GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw ......
  • Page 4: Intr Oduction

    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 5: Wha T Is What

    WHA T IS WHA T? What is what on the c hain saw? Cylinder cover 16 Spike bumper Front handle 17 Chain catcher (Catches chain if it jumps or breaks.) Front hand guard 18 Clutch cover Starter 19 Right hand guard (Protects right hand if chain breaks or jumps.) Chain oil tank 20 Throttle control...
  • Page 6: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw Impor tant • Please read this manual carefully. IMPOR TANT! • Check that the cutting equipment is correctly fitted This chain saw for forest service is designed for forest and adjusted.
  • Page 7: Personal Protective Equipment

    GENERAL SAFETY PRECA UTIONS possib le. Your dealer, forestry school or your library can • Fire Extinguisher and Shovel provide information about which training materials and courses are available. Generally clothes should be close-fitting without restricting your freedom of movement. IMPOR TANT! Sparks can come from the muffler, the bar and chain or other sources.
  • Page 8 GENERAL SAFETY PRECA UTIONS • 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 9 GENERAL SAFETY PRECAUTIONS of the front hand guard, the chain brake can only be (A) (i.e. when you grasp the handle) it releases the throttle activated by the inertia action. control (B). When you release the handle the throttle control and the throttle lockout both move back to their original positions.
  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS chain saw, including the cutting equipment, is insulated For mufflers it is very important that you follow the from the handles by vibration damping units. instructions on checking, maintaining and servicing your machine. See instructions under the heading Checking, maintaining and servicing the machine’s safety equipment.
  • Page 11 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

    GENERAL SAFETY PRECAUTIONS • Number of drive links. Round file diameter It is very difficult to sharpen a chain correctly without the right equipment. We recommend that you use our file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain.
  • Page 13: Tensioning The Chain

    GENERAL SAFETY PRECAUTIONS Tensioning the chain • File all the teeth to the same length. When the length of the cutting teeth is reduced to 4 mm (5/32") the chain is worn out and should be replaced. WARNING! A slack chain may jump off and cause serious or even fatal injury.
  • Page 14: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Lubricating cutting equipment throttle you should see a distinct line of oil on the light surface. WARNING! Poor lubrication of cutting equipment may cause the chain to snap, which could lead to serious, even fatal injuries. Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather.
  • Page 15 GENERAL SAFETY PRECAUTIONS B Rim sprocket (replaceable) • Whether the groove in the bar has become badly worn. Replace the bar if necessary. • Whether the tip of the bar is uneven or badly worn. If Regularly check the degree of wear on the drive sprocket. a hollow forms on the underside of the bar tip this is Replace if wear is excessive.
  • Page 16: Assembly

    ASSEMBLY Fitting the bar and chain Tension the chain by turning the chain tensioning screw clockwise using the combination spanner. The chain should be tensioned until it does not sag from the underside of the bar. WARNING! Always wear gloves, when working with the chain.
  • Page 17: Fuel Handling Fuel

    • If the machine is not used for some time the fuel tank should be emptied and cleaned. HUSQVARNA recommends the use of alkylate fuel, either Aspen two-stroke fuel or environmental fuel for Chain oil four-stroke engines blended with two-stroke oil as set out •...
  • Page 18: Fuelling

    FUEL HANDLING Fuelling 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 19: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Warm engine Use the same starting procedure as for a cold engine but WARNING! Note the following before without setting the choke control in the choke position. starting: Never start a chain saw unless the bar, chain and all covers are fitted correctly.
  • Page 20: Starting And Stopping

    STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and • Observe your surroundings and make sure that there do not let go of the starter handle when the cord is fully is no risk of people or animals coming into contact extended.
  • Page 21: 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. 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 22: General Rules

    WORKING TECHNIQUES Lack of concentration can lead to kickback if the kickback zone of the bar accidentally touches a branch, nearby tree or some other object. Before moving your chain saw switch off the engine and lock the chain using the chain brake. Carry the chain saw with the bar and chain pointing backwards.
  • Page 23: Basic Cutting Technique

    WORKING TECHNIQUES Basic cutting technique ladder, in a tree or where you do not have firm ground to stand on. WARNING! Never use a chain saw by holding it with one hand. A chain saw is not safely controlled with one hand. Always have a secure, firm grip around the handles with both hands.
  • Page 24 WORKING TECHNIQUES Two factors decide whether the chain will jam or the object The log is lying on the ground. There is little risk of the that you are cutting will split: the first is how the object is chain jamming or the object splitting. However there is a supported before and after cutting, and the second is risk that the chain will touch the ground when you finish whether it is in tension.
  • Page 25: Tree Felling Technique

    WORKING TECHNIQUES Start by cutting from above (about 1/3 of the way through). You may find you are forced to let the tree fall in its natural direction because it is impossible or dangerous to try to make it fall in the direction you first intended. Another very important factor, which does not affect the felling direction but does affect your safety, is to make sure the tree has no damaged or dead branches that might...
  • Page 26 WORKING TECHNIQUES Felling Felling cut The felling cut is made from the opposite side of the tree WARNING! Unless you have special and it must be perfectly horizontal. Stand on the left side training we advise you not to fell trees of the tree and cut on the pull stroke.
  • Page 27: Freeing A Tree That Has Fallen Badly

    WORKING TECHNIQUES All control over the felling direction is lost if the felling Freeing a tree that has fallen badly hinge is too narrow or non-existent, or if the directional Freeing a ”trapped tree” cuts and felling cut are badly placed. It is very dangerous to remove a trapped tree and there is high accident risk.
  • Page 28: How To Avoid Kickback

    WORKING TECHNIQUES General advice: Kickback always occurs in the cutting plane of the bar. Normally the chain saw and bar are thrown backwards Position yourself so that you will be clear of the tree or and upwards towards the user. However, the chain saw branch when the tension is released.
  • Page 29: Maintenance

    Fine tuning may be required if the chain saw, after changing the type of fuel, performs differently with regard to starting, acceleration, maximum speed, etc. Your Husqvarna product has been designed and Conditions manufactured to specifications that reduce harmful emissions.
  • Page 30: Checking, Maintaining And Servicing Chain Saw Safety Equipment

    MAINTENANCE High speed jet H Checking the front hand guard At the factory the engine is adjusted at sea level. When working at a high altitude or in different weather conditions, temperatures and atmospheric humidity, it may be necessary to make minor Make sure the front hand guard is not damaged and that adjustments to the high speed jet.
  • Page 31: Chain Catcher

    MAINTENANCE Checking the brake trigger • Check that the throttle control and throttle lockout move freely and that the return springs work properly. 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 Make sure the vibration damping units are securely with a wire brush. A blocked mesh will cause the engine attached to the engine unit and handle unit. to overheat and may lead to serious damage. Note! The mesh must be replaced if it is damaged. If the mesh is blocked the machine will overheat and this will cause damage to the cylinder and piston.
  • Page 33: Tensioning The Recoil Spring

    MAINTENANCE • Pull out the cord approx. 30 cm and hook it into the Changing a broken recoil spring notch in the rim of the pulley. Release the recoil spring by letting the pulley rotate slowly backwards. • Lift up the starter pulley. See instructions under the heading Changing a broken or worn starter cord.
  • Page 34: Air Filter

    The clutch drum has a needle bearing on the output shaft. A HUSQVARNA chain saw can be equipped with different This needle bearing must be lubricated regularly (once a types of air filter according to working conditions, weather, week).
  • Page 35: Cooling System

    MAINTENANCE Cooling system Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by: • Too low engine temperature. • Icing of the air filter and carburettor. To keep the working temperature as low as possible the machine is equipped with a cooling system.
  • 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 Engine Cylinder displacement, cm 53,2 Cylinder bore, mm Stroke, mm 32,0 Idle speed, rpm 2500 Power, kW/ rpm 2,5/9000 Ignition system Champion RCJ 7Y/ Spark plug NGK BPMR 7A Electrode gap, mm Fuel and lubrication system Fuel tank capacity, litre Oil pump capacity at 9,000 rpm, ml/min Oil tank capacity, litre...
  • Page 38: Bar And Chain Combinations

    TECHNICAL DATA Bar and chain combinations The following cutting attachments are approved for the model Husqvarna 55 Rancher. Chain Length, drive Length, inch Pitch, inch Gauge, mm Max. nose radius Type links (no.) 0,325 0,325 0,325 Husqvarna H30 0,325 0,325...
  • Page 39: 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 55 Rancher 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: - of May 17, 2006 "relating to machinery"...
  • Page 44 Original instructions 1153156-26 ´®z+U/^¶6ߨ ´®z+U/^¶6ߨ 2009-12-29...