Husqvarna 450E - Manuals

GENERAL SAFETY PRECA UTIONS 6 – English 115 10 81-26 Re v .2 2008-01-11 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 instr...

GENERAL SAFETY PRECA UTIONS English – 7 115 10 81-26 Re v .2 2008-01-11 Al ways use common sense It is not possib le to cover every conceivable situation you can face when using a chain saw. Always exercise care and use your common sense. Avoid all situations which you consider to be beyond your cap...

GENERAL SAFETY PRECAUTIONS 8 – English 115 10 81-26 Rev.2 2008-01-11 • The chain brake (A) can either be activated manually (by your left hand) or automatically by the inertia release mechanism. • The brake is applied when the front hand guard (B) is pushed forwards. • This movement activates a spri...

GENERAL SAFETY PRECAUTIONS English – 9 115 10 81-26 Rev.2 2008-01-11 If the kickback is less violent or the kickback zone of the bar is closer to you the chain brake will be activated manually by the movement of your left hand. • In the felling position the left hand is in a position that makes manu...

GENERAL SAFETY PRECAUTIONS 10 – English 115 10 81-26 Rev.2 2008-01-11 Right hand guard Apart from protecting your hand if the chain jumps or snaps, the right hand guard stops branches and twigs from interfering with your grip on the rear handle. Vibration damping system Your machine is equipped with...

GENERAL SAFETY PRECAUTIONS English – 11 115 10 81-26 Rev.2 2008-01-11 Cutting equipment This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of kickback. • Reduce the risk of the saw chain breaking or jumping off the bar. • Obtain optimal cutting pe...

GENERAL SAFETY PRECAUTIONS English – 13 115 10 81-26 Rev.2 2008-01-11 Sharpening cutting teeth To sharpen cutting teeth you will need a round file and a file gauge. See instructions under the heading Technical data for information on the size of file and gauge that are recommended for the chain fitt...

GENERAL SAFETY PRECAUTIONS English – 15 115 10 81-26 Rev.2 2008-01-11 Lubricating cutting equipment 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. As a chain saw manufacturer w...

ASSEMBLY English – 17 115 10 81-26 Rev.2 2008-01-11 Fitting the bar and chain 445 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...

ASSEMBLY 18 – English 115 10 81-26 Rev.2 2008-01-11 Fit the bar over the bar bolts. Place the bar in its rearmost position. Place the chain over the drive sprocket locate it in the groove on the bar. Begin on the top edge of the bar. Make sure that the edges of the cutting links are facing forward o...

FUEL HANDLING English – 19 115 10 81-26 Rev.2 2008-01-11 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...

FUEL HANDLING 20 – English 115 10 81-26 Rev.2 2008-01-11 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 co...

STARTING AND STOPPING English – 21 115 10 81-26 Rev.2 2008-01-11 Starting and stopping Starting The chain brake must be engaged when the chain saw is started. Activate the brake by moving the front hand guard forwards. Cold engine Start position (1): Set the start/stop switch in the choke position b...

STARTING AND STOPPING 22 – English 115 10 81-26 Rev.2 2008-01-11 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 u...

WORKING TECHNIQUES English – 23 115 10 81-26 Rev.2 2008-01-11 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 lockout works correctly and is not damaged. 4 Check that the stop switch works c...

WORKING TECHNIQUES English – 25 115 10 81-26 Rev.2 2008-01-11 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...

WORKING TECHNIQUES 26 – English 115 10 81-26 Rev.2 2008-01-11 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 h...

WORKING TECHNIQUES English – 29 115 10 81-26 Rev.2 2008-01-11 Freeing a tree that has fallen badly Freeing a ”trapped tree” It is very dangerous to remove a trapped tree and there is high accident risk. Never try to fell the tree that is trapped. Never work in the risk zone of the hanging trapped tr...

MAINTENANCE English – 31 115 10 81-26 Rev.2 2008-01-11 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 Your Husqvarna product has been designed...

MAINTENANCE English – 33 115 10 81-26 Rev.2 2008-01-11 Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. Right hand guard Check that the right hand guard is not damaged and that there are no visible defects, such as cracks. Vibration dampi...

MAINTENANCE 34 – English 115 10 81-26 Rev.2 2008-01-11 use a muffler if the spark arrestor mesh is missing or defective. The muffler is designed 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...

MAINTENANCE English – 35 115 10 81-26 Rev.2 2008-01-11 Replacing the return and drive springs Recoil spring (A) • Lift up the starter pulley. See instructions under the heading Changing a broken or worn starter cord. Remember that the recoil spring is coiled under tension in the starter housing. • R...

MAINTENANCE 36 – English 115 10 81-26 Rev.2 2008-01-11 Spark plug The spark plug condition is influenced by: • Incorrect carburettor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil). • A dirty air filter. These factors cause deposits on the spark plug electrodes, which may...

MAINTENANCE English – 37 115 10 81-26 Rev.2 2008-01-11 ”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 centrifug...

38 – English MAINTENANCE 115 10 81-26 Rev.2 2008-01-11 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 ...

English – 39 TECHNICAL DATA 115 10 81-26 Rev.2 2008-01-11 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 22868, is calculated as the time-weighted energy t...

40 – English TECHNICAL DATA 115 10 81-26 Rev.2 2008-01-11 Bar and chain combinations The following combinations are CE approved. Saw chain filing and file gauges Bar Chain Length, inch Pitch, inch Gauge, mm Max. nose radius Type Length, drive links (no.) 13 0,325 1,3 10T Husqvarna H30 56 15 0,325 10...

English – 41 TECHNICAL DATA 115 10 81-26 Rev.2 2008-01-11 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 saws Husqvarna 445, 445e and 450e from 2007’s serial numbers and onwards (...