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Operator´s manual
345 346XP 353
TAC
Please read these instructions carefully and make sure
you understand them before using the machine. English
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KEY TO SYMBOLS Symbols CAUTION! Chain saws can be dangerous! Careless or incorrect use can result in If your saw bears this decal it is equipped serious or fatal injury to the operator or with carburettor heating. others. Please read the instructions carefully and make sure you understand them before using the saw. This product is fitted with a catalytic converter Always wear: • Approved protective helmet • Approved hearing protection Other symbols/decals on the machine refer to special • Protec
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CONTENTS Before using a new saw Contents • Read the instructions carefully. • Check cutting equipment is correctly fitted and adjusted. See page 25. Key to symbols ............................................................... 2 • Refuel and start the saw. Check the carburettor settings. Safety instructions See pages 26-29. Personal protective equipment ............................................ 4 • Do not use the saw until sufficient chain oil has reached the chain, see page 14. Chain saw sa
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SAFETY INSTRUCTIONS PERSONAL PROTECTIVE EQUIPMENT CHAIN SAW SAFETY EQUIPMENT This section explains the various safety features of the saw, how they work, and basic inspection and maintenance you MOST CHAIN SAW ACCIDENTS HAPPEN should carry out to ensure safe operation. (See the ”What is WHEN THE CHAIN TOUCHES THE OPERA- what?” section to find out where these components are on Your TOR. You must use approved personal saw). protective equipment whenever you use the machine. Personal protective equ
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SAFETY INSTRUCTIONS 1 Chain brake and front hand guard 3a Starting YOUR chain saw is equipped with a chain brake that is desig- The chain brake must be ned to stop the chain immediately if you get a kickback. engaged when the chain The chain brake reduces the risk of accidents, but only You can saw is started. prevent them. b You can also use the Take care when using your chain brake as a saw and make sure the temporary brake when you kickback zone of the bar change position or if you never touc
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SAFETY INSTRUCTIONS 6 The way the chain brake is triggered, either manually or 2 Throttle lock automatically, depends on the force of the kickback and the The throttle lock is designed position of the chain saw in relation to the object that the to prevent accidental opera- kickback zone of the bar strikes. tion of the throttle control. When you press the lock (A) (i.e. when you grasp the If you get a violent A handle) it releases the throttle kickback while the trigger (B). kickback zone of the
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SAFETY INSTRUCTIONS 5 Vibration damping system 6 Stop switch Your chain saw is equipped Use the stop switch to switch with a vibration damping off the engine. 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. Cutting hardwoods (most broadleaf trees) creates more vibration than cutting softwoods (most conifers). Cutting with a chain that is blunt or fault
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SAFETY INSTRUCTIONS 3 Checking the inertia brake release Inspecting, maintaining and servicing chain saw safety equipment SPECIAL TRAINING IS REQUIRED to service Hold the chain saw over a and repair chain saws. This is especially true stump or other firm object. of chain saw safety equipment. If your chain Let go of the front handle saw fails any of the checks described below so that the bar falls onto take it to your SERVICE AGENT. the stump. When you buy any of our products we guarantee the av
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SAFETY INSTRUCTIONS 2 Throttle lock 4 Right hand guard 1 Make sure the throttle Check that the right hand control is locked at the guard is not damaged and idle setting when you that there are no visible release the throttle lock. defects, such as cracks. 2 Press the throttle lock and 5 Vibration damping system make sure it returns to its original position when you release it. Regularly check the vibration damping units for cracks or deformation 3 Check that the throttle control and throttle loc
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SAFETY INSTRUCTIONS 7 Muffler CUTTING EQUIPMENT Never use a chain saw This section describes how to choose and maintain your cutting that has a faulty muffler. equipment in order to: • Reduce the risk of kickback. • Reduce the risk of the chain breaking or jumping. • Obtain maximum cutting performance. • Extend the life of cutting equipment. The 5 basic rules 1 Only use cutting equipment recommended by us! Regularly check that the See the ”Technical data” muffler is securely section. attached to
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SAFETY INSTRUCTIONS C Some terms that describe the bar and chain 1 Cutting equipment designed to minimise When the cutting equipment supplied with your saw becomes kickback worn or damaged you will need to replace it. Use only the type of bar and chain recommended by us. See the ”Technical data” Faulty cutting equipment or the wrong section to find out which equipment is recommended for your combination of bar and chain increases the saw. risk of kickback. Use only the bar and chain combinations
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SAFETY INSTRUCTIONS It is very difficult to sharpen a 2 Sharpening your chain and adjusting chain correctly without the raker clearance right equipment. We recommend you use a file The risk of kickback is increased with a badly gauge. This will help you sharpened chain! obtain the maximum kickback reduction and cutting performance from your chain. A 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
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SAFETY INSTRUCTIONS C General advice on setting raker clearance D Setting the raker clearance • When you sharpen the cutting teeth you reduce the RAKER CLEARANCE (cutting depth). To maintain • Before setting the raker clearance the cutting teeth should be cutting performance you newly sharpened. must file back the raker We recommend that you adjust the raker clearance every teeth to the recommended third time you sharpen the chain. NOTE! This height. recommendation assumes that the length of the
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SAFETY INSTRUCTIONS 4 Lubricating cutting equipment Poor lubrication of cutting equipment may cause the chain to snap and lead to serious, 1 Undo the bar nuts that even fatal injuries. hold the clutch cover and chain brake, using the combination spanner. Then tighten the nuts by Prolonged inhalation of exhaust gases from hand as tight as you can. the engine, chain lubrication oil mist and/or saw dust can be unhealthy. 2 Raise the tip of the bar and stretch the chain by A Chain oil tightening the
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SAFETY INSTRUCTIONS C Checking chain lubrication E Needle bearing maintenance • Check the chain lubrication each time you refuel. A The clutch drum is equipped Aim the tip of the saw at a with one of the following light coloured surface about chain sprockets: 20 cm away. After 1 minute running at 3/4 throttle you • Spur sprocket (A) (the chain should see a distinct line of sprocket is welded on the oil on the light surface. drum) • Rim sprocket (B) B (exchangeable) Both versions have built-in
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SAFETY INSTRUCTIONS H Bar HOW TO AVOID KICKBACK Kickback can happen very suddenly and violently; kicking the saw, bar and chain back at the user. If this happens when the chain is Check regularly: moving it can cause very serious, even fatal injuries. It is vital you understand what causes kickback and that you can avoid it by taking • Whether there are burrs on care and using the right working technique. the edges of the bar. Remove these with a file if necessary. What is kickback? The word kic
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SAFETY INSTRUCTIONS 7 Take great care when you General rules cut with the top edge of 1 If you understand what kickback is and how it happens then the bar, i.e. when cutting you can reduce or eliminate the element of surprise. By from the underside of the being prepared you reduce the risk. Kickback is usually object. This is known as quite mild, but it can sometimes be very sudden and cutting on the push violent. stroke. The chain tries to push the saw back towards the user. 2 Always hold the s
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SAFETY INSTRUCTIONS 6 STARTING GENERAL SAFETY PRECAUTIONS 1 Chain saws are designed solely for cutting wood. The only Long term inhalation of the engine's exhaust cutting equipment that can be used with this chain saw are fumes, chain oil mist and dust from sawdust the combinations of bars and chains recommended in the can represent a health risk. ”Technical data” section. 2 Never use a chain saw if Never start a chain saw unless the bar, chain and all covers are you are tired, if you have fitte
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SAFETY INSTRUCTIONS • Never try to refuel the saw 1 Basic safety rules while it is running. 1 Look around you: • Make sure there is plenty of • to make sure there are no ventilation when refuelling people, animals or other or mixing fuel (2-stroke objects nearby that might mixture). affect your work. • Move the saw at least 3 m • to make sure that none of from the refuelling point the above might come within before starting it. reach of your saw or be injured by falling trees. • Never start the
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SAFETY INSTRUCTIONS 3 Make sure the chain will not strike the ground or any other object during or after cutting. 6 Before moving your chain saw switch off the engine and lock the chain using the chain brake. Carry the saw with the bar and chain pointing backwards. 4 Is there a risk of kick- Fit a guard to the bar back? before carrying the saw any distance. 5 Do the conditions and Never carry or hang the surrounding terrain affect saw by the trigger. This your safety when could damage the workin
