Husqvarna 455 Rancher - Manual

English – 5 WHA T IS WHA T? What is what on the c hain saw? 27 1 4 2 5 7 6 9 15 16 11 12 13 14 10 25 24 22 21 20 19 18 17 23 8 28 26 3 29 30 1 Cylinder cover 2 Starter handle 3 Air purge 4 Stop switch (Ignition on/off switch.) 5 Rear handle 6 Choke control/Start throttle lock 7 Fuel tank 8 Adjuster ...

6 – English GENERAL SAFETY PRECA UTIONS Bef ore using a new chain saw • Please read this manual carefully. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. • Refuel and start the chain saw. See the instructions under the headings Fuel ...

English – 7 GENERAL SAFETY PRECA UTIONS chain sa w usage if possible. Your dealer, forestry school or your library can provide information about which training materials and courses are available. Work is constantly in progress to improve the design and technology - improvements that increase your s...

10 – English GENERAL SAFETY PRECAUTIONS Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conifers). Cutting with cutting equipment that is blunt or faulty (wrong type or badly sharpened) will increase the vibration level. Stop switch Use the stop switch to...

English – 11 GENERAL SAFETY PRECAUTIONS • Keep cutting equipment well lubricated and properly maintained! A poorly lubricated chain is more likely to break and lead to increased wear on the bar, chain and drive sprocket. Cutting equipment designed to reduce kickback The only way to avoid kickback is...

12 – English GENERAL SAFETY PRECAUTIONS Sharpening your chain and adjusting depth gauge setting General information on sharpening cutting teeth • Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar through the wood and the chips will be very small. If th...

English – 13 GENERAL SAFETY PRECAUTIONS 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. NOTE! This recommendation assumes tha...

14 – English GENERAL SAFETY PRECAUTIONS Checking chain lubrication • Check the chain lubrication each time you refuel. See instructions under the heading Lubricating the bar tip sprocket. Aim the tip of the bar at a light coloured surface about 20 cm (8 inches) away. After 1 minute running at 3/4 th...

16 – English ASSEMBLY Fitting the bar and chain Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle. Remove the bar nuts and remove the clutch cover (chain brake). Take off the transportation ring (A). Fit the bar over the bar bolts. Place the...

English – 17 FUEL HANDLING Fuel Note! The machine is equipped with a two-stroke engine and must always be run using a mixture of petrol and two-stroke oil. It is important to accurately measure the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of...

18 – English FUEL HANDLING Fuelling Clean the area around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter must be replaced at least once a year. Contamination in the tanks causes malfunction. Make sure the fuel is well mixed by shaking the container before refuelling. The...

English – 19 STARTING AND STOPPING Starting and stopping Cold engine Starting: The chain brake must be engaged when the chain saw is started. Activate the brake by moving the front hand guard forwards. Ignition; choke (A): Set the choke control in the choke position. This should automatically set th...

20 – English 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. • Never start a chain saw unless the bar, chain and all covers are fitted correctly. See instructions under the heading Assembly. Wit...

English – 21 WORKING TECHNIQUES Before use: 1 Check that the chain brake works correctly and is not damaged. 2 Check that the rear right hand guard is not damaged. 3 Check that the throttle lock works correctly and is not damaged. 4 Check that the stop switch works correctly and is not damaged. 5 Ch...

English – 23 WORKING TECHNIQUES 7 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 on the push stroke. The chain tries to push the chain saw back towards the user. If the saw chain is jamming, the saw may be pushe...

24 – English WORKING TECHNIQUES Limbing When limbing thick branches you should use the same approach as for cutting. Cut difficult branches piece by piece. Cutting If you have a pile of logs, each log you attempt to cut should be removed from the pile, placed on a saw horse or runners and cut indivi...

English – 25 WORKING TECHNIQUES Tree felling technique Safe distance 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. Felling direction The aim is to fell t...

26 – English WORKING TECHNIQUES Felling Felling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then you finish with the felling cut. By placing these cuts correctly you can control the felling direction very accurately. Directional cut...

English – 27 WORKING TECHNIQUES We recommend that you use a bar that is longer than the diameter of the tree, so that you can make the felling cut and directional cuts with single cutting strokes. See instructions under the heading Technical data section to find out which lengths of bar are recommen...

28 – English WORKING TECHNIQUES How to avoid kickback What is kickback? The word kickback is used to describe the sudden reaction that causes the chain saw and bar to jump off an object when the upper quadrant of the tip of the bar, known as the kickback zone, touches an object. Kickback always occu...

English – 29 MAINTENANCE General 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 authorised service workshop. Carburettor adjustment Due to existing environmental and emissions legislation your chain saw...

30 – English MAINTENANCE High speed jet H 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 adjustments to the high speed jet. CAUTION! If the high speed jet...

English – 31 MAINTENANCE Grasp the chain saw firmly, wrapping your fingers and thumbs around the handles. Apply full throttle and activate the chain brake by tilting your left wrist forward onto the front hand guard. Do not let go of the front handle. The chain should stop immediately. Throttle lock...

32 – English MAINTENANCE Muffler Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine. Some mufflers are equipped with a special spark arrestor mesh. If your machine has this type of muffler, you should clean the mesh at least once a wee...

English – 33 MAINTENANCE Tensioning the recoil spring • Hook the starter cord in the notch in the pulley and turn the starter pulley about 2 turns clockwise. Note! Check that the pulley can be turned at least a further 1/2 turn when the starter cord is pulled all the way out. Changing a broken recoi...

34 – English MAINTENANCE that the electrode gap is 0.5 mm. The spark plug should be replaced after about a month in operation or earlier if necessary. Note! Always use the recommended spark plug type! Use of the wrong spark plug can damage the piston/cylinder. Check that the spark plug is fitted wit...

English – 35 MAINTENANCE ”Air Injection” centrifugal cleaning Centrifugal cleaning means the following: All air to the carburettor passes through the starter. Dirt and dust is centrifuged out by the cooling fan. IMPORTANT! In order to maintain operation of the centrifugal cleaning system it must be ...

36 – English 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 Clean the outside of the machine. On chain saws without...

English – 37 TECHNICAL DATA Technical data Note 1: Noise emissions in the environment measured as sound power (L WA ) in conformity with EC directive 2000/14/EC. Note 2: Equivalent sound pressure level, according to ISO 7182, is calculated as the time-weighted energy total for noise pressure levels ...

38 – English TECHNICAL DATA ´®z+H8h¶6S¨ ´®z+H8h¶6S¨ Bar and chain combinations The following combinations are CE approved. Bar Chain Length, inches Pitch, inch Groove width, mm Max. number of teeth on the bar tip sprocket Type Length, drive links (no.) 13 0,325 1,3 10T Husqvarna H30 56 15 0,325 10T ...

English – 39 TECHNICAL DATA EC-declaration of conformity (Applies to Europe only) Husqvarna AB , SE-561 82 Huskvarna, Sweden, tel +46-36-146500, declares under sole responsibility that the chain saw Husqvarna 455 Rancher from 2005’s serial numbers and onwards (the year is clearly stated in plain tex...