Husqvarna 345 Operator's Manual
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Husqvarna 345 Operator's Manual

Husqvarna chain saw operator's manual epa ii
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See also: Workshop Manual , Operator's Manual
Operator's manual (EPA II)
340 345 350
Please read the operator's manual carefully and make sure you
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
understand the instructions before using the machine.

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Summary of Contents for Husqvarna 345

  • Page 1 Operator’s manual (EPA II) 340 345 350 Please read the operator’s manual carefully and make sure you 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 to symbols WARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. Always wear: •...

  • Page 3: Table Of Contents

    Category C = 50 hours, B = 125 hours, and A = 300 hours. Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice.

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS Personal protective equipment WARNING! Most chain saw accidents happen when the chain touches the operator. You must use approved personal protective equipment whenever you use the machine. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen.

  • Page 5: Chain Brake And Front Hand Guard

    SAFETY INSTRUCTIONS Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain immediately if you get a kickback. The chain brake reduces the risk of accidents, but only you can prevent them.

  • Page 6: Right Hand Guard

    SAFETY INSTRUCTIONS • During felling your left hand grasps the front handle in such a way that it cannot activate the chain brake. In this position, i.e. when your left hand is in such a position that it cannot affect the movement of the front hand guard, the chain brake can only be activated by the inertia of the counterweight.

  • Page 7: Checking, Maintaining And Servicing The Machine ' S Safety Equipment

    SAFETY INSTRUCTIONS Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user. WARNING! The exhaust fumes from the engine are hot and may contain sparks which can start a fire. Never start the machine indoors or near combustible material! In areas with a hot, dry climate there is a high risk of fires.
  • Page 8 SAFETY INSTRUCTIONS 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 •...

  • Page 9: Cutting Equipment

    SAFETY INSTRUCTIONS Muffler Never use a machine that has a faulty muffler. Regularly check that the muffler is securely attached to the machine. If the muffler on your machine 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.
  • Page 10 SAFETY INSTRUCTIONS Chain A chain is made up of a number of links, which are available in standard and low-kickback versions. None Standard Cutting link Drive link Side link Combining these links in different ways gives different degrees of kickback reduction. In terms of kickback reduction alone, four different types of link are available.

  • Page 11: Sharpening Your Chain And Adjusting Raker Clearance

    SAFETY INSTRUCTIONS Sharpening your chain and adjusting raker clearance WARNING! The risk of kickback is increased with a badly sharpened chain! 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 cuttings will be very small.

  • Page 12: Tensioning The Chain

    SAFETY INSTRUCTIONS General advice on setting raker clearance • When you sharpen the cutting teeth you reduce the raker clearance (=cutting depth). To maintain optimal cutting performance you must file back the raker lip to the recommended height. See the Technical data section to find the raker clearance for your particular chain.

  • Page 13: Lubricating Cutting Equipment

    SAFETY INSTRUCTIONS Lubricating cutting equipment 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 14 SAFETY INSTRUCTIONS Checking wear on cutting equipment Check the chain daily for: • Visible cracks in rivets and links. • Whether the chain is stiff. • Whether rivets and links are badly worn. We recommend you compare the existing chain with a new chain to decide how badly the existing chain is worn.

  • Page 15: How To Avoid Kickback

    SAFETY INSTRUCTIONS How to avoid kickback WARNING! Kickback can happen very suddenly and violently; kicking the chain saw, bar and chain back at the user. If this happens when the chain is 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 care and using the right working technique.

  • Page 16: General Safety Precautions

    SAFETY INSTRUCTIONS Cutting with the bottom edge of the bar, i.e. from the top of the object downwards, is known as cutting on the pull stroke. In this case the chain saw pulls itself towards the tree and the front edge of the chain saw body rests naturally on the trunk when cutting.

  • Page 17: Fuel Safety

    SAFETY INSTRUCTIONS • Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment. • Place the chain saw on the ground and hold the rear handle down with your right foot. Grasp the front handle firmly using your left hand.

  • Page 18: Basic Cutting Technique

    SAFETY INSTRUCTIONS • Take great care when removing small branches and avoid cutting bushes (i.e. cutting many small branches at the same time). Small branches can be grabbed by the chain and thrown back at you, causing serious injury. • Make sure you can move and stand safely.
  • Page 19 SAFETY INSTRUCTIONS In most cases you can avoid these problems by cutting in two stages; from the top and from the bottom. You need to support the object so that it will not trap the chain or split during cutting. WARNING! If the chain jams in the cut: stop the engine! Don’t try to pull the chain saw free.

  • Page 20: Tree Felling Technique

    SAFETY INSTRUCTIONS Tree felling technique WARNING! It takes a lot of experience to fell a tree. Inexperienced users of chain saws should not fell trees. Do not attempt any task that you feel unsure of! Safe distance The safe distance between a tree that is to be felled and anyone else working nearby is at least 21/2 tree lengths.
  • Page 21 SAFETY INSTRUCTIONS The directional cuts should run 1/4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45°. The line where the two cuts meet is called the directional cut line. This line should be perfectly horizontal and at right angles (90°) to the chosen felling direction.

  • Page 22: Freeing A Tree That Has Fallen Badly

    SAFETY INSTRUCTIONS Limbing WARNING! Most kickback accidents happen during limbing! Pay close attention to the position of the kickback zone of the bar when you are limbing branches that are in tension! Make sure that you can stand and move about safely. Work on the left side of the trunk.

  • Page 23: What Is What

    19 Right hand guard (Protects right hand if chain breaks or jumps.) 20 Throttle control 21 Throttle lock (Prevents accidental operation of throttle control.) 22 Decompression valve (345, 350) 23 Combination spanner 24 Chain tensioning screw 25 Operator’s manual (EPA) 26 Bar guard...

  • Page 24: Assembly

    Fitting the bar and chain WARNING! Always wear gloves, when working with the chain, in order to protect your hands from injury. 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).

  • Page 25: Mixing

    When working with continuous high revs (e.g. limbing) a higher octane is recommended. Two-stroke oil • For best results and performance use HUSQVARNA two- stroke oil, which is specially formulated for our two-stroke engines. Mixture 1:50 (2%). • Never use two-stroke oil intended for water-cooled outboard engines, sometimes referred to as outboard oil.
  • Page 26 Fuelling WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke or place hot objects near fuel. Always shut off the engine before refuelling. When refuelling, open the fuel cap slowly so that any excess pressure is released gently. Tighten the fuel cap carefully after refuelling.

  • Page 27: Starting And Stopping

    STARTING AND STOPPING Starting and stopping WARNING! Note the following before starting: Never start a chain saw unless the bar, chain and all covers are fitted correctly. Otherwise the clutch can come loose and cause personal injuries. Always move the machine away from the refuelling area before starting.
  • Page 28 STARTING AND STOPPING Pull the front hand guard towards the front handle. The chain brake is now disengaged. Your saw is ready for use. Stopping Stop the engine by switching off the ignition. 28 – English...

  • Page 29: Carburettor

    Carburettor Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. After the engine has used 8-10 tanks of fuel the engine will be run-in. To ensure that it continues to run at peak performance and to minimise harmful exhaust emissions after the running- in period, ask your dealer/service workshop (who will have a rev counter at their disposal) to adjust your carburettor.

  • Page 30: Correctly Adjusted Carburettor

    Correctly adjusted carburettor When the carburettor is correctly adjusted the machine accelerates without hesitation and the machine 4-cycles a little at max speed. It is also important that the chain does not rotate at idle. If the L-jet is set too lean it may cause starting difficulties and poor acceleration.

  • Page 31: Air Filter

    The filter must therefore be replaced with a new one at regular intervals. A damaged air filter must always be replaced. A HUSQVARNA chain saw can be equipped with different types of air filter according to working conditions, weather, season, etc. Contact your dealer for advice.

  • Page 32: Adjustment Of The Oil Pump

    Adjustment of the oil pump (350) The oil pump is adjustable. Adjustments are made by turning the screw using a screwdriver or combination spanner. The machine is supplied from the factory with the screw set to position 2. Turning the screw clockwise will reduce the oil flow and turning the screw anti-clockwise will increase the oil flow.

  • Page 33: Daily Maintenance

    CAUTION! If the special winterising kit has been fitted or any measures have been taken to increase the temperature these changes must be reversed before the machine is used in normal temperature conditions. Otherwise there is a risk of overheating, resulting in severe damage to the engine. IMPORTANT! Any maintenance other than that described in this manual must be carried out by your servicing dealer (retailer).

  • Page 34: Technical Data

    Technical data Engine Cylinder volume, cu.in/cm Cylinder bore, inch/mm Stroke, inch/mm Idle speed, rpm Power, kW/ rpm Ignition system Manufacture Type of ignition system Spark plug Electrode gap, inch/mm Fuel and lubrication system Manufacturer of carburettor Carburettor type Fuel tank capacity, US pint/litre Oil pump capacity at 9,000 rpm, ml/min Oil tank capacity, US pint/litre Type of oil pump...

  • Page 35: Recommended Original And Replacement Bar And Chain Combinations

    Recommended original and replacement bar and chain combinations Following is a list of recommended cutting equipment for the Husqvarna chain saw models 340, 345 and 350. The combinations of power head, bar and chain have been investigated in accordance with the kickback and vibration requirements of ANSI B 175.1–...

  • Page 36: Federal Emission Control Warranty Statement

    The warranty period begins on the date small nonroad engine is delivered. LENGTH OF COVERAGE Husqvarna Forest & Garden warrants to the initial owner and each subsequent purchaser that the engine is free from defects in materials and workmanship which cause the failure of a warranted part for a period of two years.
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  • Page 40 1140235-95 ´®z+H7[¶5_¨ ´®z+H7[¶5_¨ 2003-12-05...

This manual is also suitable for:

340350

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