Manuale d’uso / di manutenzione del prodotto 49 del fabbricante Husqvarna
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Operator´s manual (EP A) 45/49 101 90 11-95 Please read these instructions carefully and make sure you understand them before using the saw..
2 – English Symbols KEY T O SYMBOLS Switch off the engine by moving the stop switch to the STOP position before carrying out any checks or maintenance. Always wear approved protective gloves. Regular cleaning is required. Visual check. Protective glasses or a visor must be worn.
English – 3 CONTENTS Contents Key to symbols ......................................................... 2 Safety instructions Personal protective equipment ................................. 4 Chain saw safety equipment ...............................
4 – English ! ! CHAIN SA W SAFETY EQUIPMENT This section explains the various safety features of the saw, how they work, and basic inspection and maintenance you should carry out to ensure safe operation. (See the ”What is what?” section to find out where these components are on Your saw).
English – 5 1 Chain brake and front hand guard YOUR chain saw is equipped with a chain brake that is desig- ned to stop the chain immediately if you get a kickback. The chain brake reduces the risk of accidents, but only You can prevent them. Take care when using your saw and make sure the kickback zone of the bar never touches any object.
6 – English 6 The way the chain brake is triggered, either manually or automatically, depends on the force of the kickback and the position of the chain saw in relation to the object that the kickback zone of the bar strikes.
English – 7 ! 5 Vibration damping system Your chain saw is equipped with a vibration damping system that is designed to minimise vibrations and make operation easier. When you use a chain saw vibrations are generated by the uneven contact between the chain and the wood you are cutting.
8 – English ! 3 Checking the automatic brake Hold the chain saw over a stump or other firm object. Let go of the front handle so that the bar falls onto the stump. When the bar hits the stump the brake should be applied. Inspecting, maintaining and servicing chain saw safety equipment SPECIAL TRAINING IS REQUIRED to service and repair chain saws.
English – 9 SAFETY INSTRUCTIONS 4 Right hand guard Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. 5 Vibration damping system Regularly check the vibration damping units for cracks or deformation Make sure the vibration damping units are securely attached to the engine unit and handles.
10 – English ! 7 Muffler Never use a chain saw that has a faulty muffler. Regularly check that the muffler is securely attached to the chain saw. If the muffler on your saw is fitted with a spark arrestor mesh this must be cleaned regularly. A blocked mesh will cause the engine to overheat and may lead to serious damage.
English – 11 ! SAFETY INSTRUCTIONS C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes worn or damaged you will need to replace it. Use only the type of bar and chain recommended by us. See the ”Technical data” section to find out which equipment is recommended for your saw.
12 – English SAFETY INSTRUCTIONS 2 Sharpening your chain and adjusting raker clearance The risk of kickback is increased with a badly sharpened chain! A General information on sharpening cutting teeth • Never use a blunt chain.
English – 13 ! C General advice on setting raker clearance • When you sharpen the cutting teeth you reduce the RAKER CLEARANCE (cutting depth). To maintain cutting performance you must file back the raker teeth to the recommended height. See the ”Technical data” section to find the raker clearance for your saw chain.
14 – English SAFETY INSTRUCTIONS ! 4 Lubricating cutting equipment Poor lubrication of cutting equipment may cause the chain to snap and lead to serious, even fatal injuries.
English – 15 C Checking chain lubrication • Check the chain lubrication each time you refuel. Aim the tip of the saw at a light coloured surface about 20 cm away. After 1 minute running at 3/4 throttle you should see a distinct line of oil on the light surface.
16 – English H Bar Check regularly: • Whether there are burrs on the edges of the bar. Remove these with a file if necessary. • 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.
English – 17 6 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.
18 – English SAFETY INSTRUCTIONS GENERAL SAFETY PRECAUTIONS 1 Chain saws are designed solely for cutting wood. The only cutting equipment that can be used with this chain saw are the combinations of bars and chains recommended in the ”Technical data” section.
English – 19 ! SAFETY INSTRUCTIONS GENERAL WORKING INSTRUCTIONS This section describes basic safety rules for using a chain saw. This information is no substitute for professional skills and experience. If you get into a situation where you feel unsafe, stop and seek expert advice (look under FORESTRY SERVICES in the telephone directory).
20 – English ! SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log will split. The first is how the log is supported and the second is whether it is in tension. In most cases you can avoid these problems by cutting in two stages; from the top and from the bottom of the log.
English – 21 SAFETY INSTRUCTIONS 2 The log is supported at one end. There is a high risk that it will split. A Start by cutting from below (about 1/3 of the way through). B Finish by cutting from above so that the two cuts meet. 3 The log is supported at both ends.
22 – English SAFETY INSTRUCTIONS FELLING CUT The felling cut is made from the opposite side of the tree and it must be perfectly horizontal. Stand on the left side of the tree and cut with the bottom edge of the bar. Make the FELLING CUT about 3-5 cm (1.
English – 23 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 CUT with single cutting stokes. (See ”Technical data” to find out which lengths of bar are recommended for your saw).
24 – English WHA T IS WHA T? 1. Cylinder cover. 2. Front handle. 3. Front hand guard. 4. Starter cover. 5. Chain oil tank. 6. Starter handle. 7. Adjuster screw, carburetor. 8. Choke control/Start throttle lock. 9. Rear handle. 10. Stop switch. Ignition on/off switch.
English – 25 Mounting guide bar and chain Always wear gloves, when working with the chain, in order to protect your hands from injury. ASSEMBL Y Hold up the tip of the bar and tighten the chain. The chain is correctly tensioned when there is no slack on the underside of the bar, but it can still be turned easily by hand.
26 – English Fuelmix Gasoline • This engine is certified to operate on unleaded gasoline. • Use good quality unleaded gasoline. • The lowest recommended octane rating is 87. If you run the engine on lower octane rating than 87 so- called “knocking“ can occur.
English – 27 Fuelling FUEL HANDLING ! Min 3 m (10ft) Taking the following precautions, will lessen the risk of fire. • Do not smoke or place warm objects in the vicinity of the fuel. • Always shut off the engine before refuelling. • Slowly open the fuel cap, when filling fuel, so that possible overpressure is slowly released.
28 – English ST ART AND ST OP Start Grip the front handle with your left hand and hold the saw down by putting your right foot in the rear handle. Pull the starter handle with your right hand and pull out the starter cord slowly until the starter pawls engage.
English – 29 Carburetor MAINTENANCE Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. After your unit has been run 8-10 tanks of fuel the engine has broken in.
30 – English Starter device Tensioning the recoil spring • Lift the starter cord up in the notch on the starter pulley and turn the starter pulley 2 turns clockwise. NOTE! Check that the starter pulley can be turned at least half a turn, when the starter cord is entirely pulled out.
English – 31 Muffler The muffler is designed in order to reduce the noise level and to direct the exhaust gases away from the operator. The exhaust gases are hot and can contain sparks, which may cause fire if directed against dry and combustible material.
32 – English MAINTENANCE Cooling system To obtain the lowest possible running temperature the saw is equipped with a cooling system. The cooling system consists of: 1. Air intake on the starter unit. 2. Air guide plate. 3. Fan blades on the flywheel.
English – 33 MAINTENANCE W eekly maintenance 1. Check that the AV elements are not soft or torn. 2. Lubricate the clutch drum bearing. 3. File off burrs, if any, on the sides of the bar. 4. Clean the spark plug and check the gap. The correct gap is 0,5 mm (0,020 inch).
34 – English Engine Cylinder volume, cu.in/cm 3 Cylinder bore, inch/mm Stroke, inch/mm Idle speed, rpm Power, kW/ rpm Ignition system Manufacture Type of ignition system Spark plug Electrode gap, in.
35 – English FEDERAL EMISSION CONTROL W ARRANTY ST A TEMENT YOUR W ARRANTY RIGHTS AND OBLIGA TIONS The EPA (The US Environmental Protection Agency) and Husqvarna Forest & Garden are pleased to explain the emissions control system warranty on your 1999 and later small nonroad engine.
´*3!3¶5B¨ 1998W48.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Husqvarna 49 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Husqvarna 49 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Husqvarna 49 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Husqvarna 49 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Husqvarna 49, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Husqvarna 49.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Husqvarna 49. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Husqvarna 49 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
