MTD 445E Operator'S Manual Download

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Summary of Contents for 445E

Page 1: ...Operator s manual EPA 445 445e 450e Please read the operator s manual carefully and make sure you understand the instructions before using the machine Eng sb...

Page 2: ...hecks or i_7_i maintenance CAUTION The start stop switch automatically returns to run position In order to prevent unintentional starting the spark plug cap must be removed from the spark plug when as...

Page 3: ...TECHNIQUES Before use 23 General working instructions 23 How to avoid kickback 29 MAINTENANCE General 31 Carburetor adjustment 31 Checking maintaining and servicing chain saw safety equipment 31 Muffl...

Page 4: ...otor driven products for forestry and gardening as well as for building and construction industry Your purchase gives you access to professional help with repairs and service whenever this may be nece...

Page 5: ...rter 12 Chain oil tank 13 Product and serial number plate 14 Felling direction mark 15 Front handle 18 Front hand guard 17 Muffler 18 Chain 19 Bar tip sprocket 20 Bar 21 Bumper spike 22 Chain catcher...

Page 6: ...achine is equipped with a spring Ioaded stop switch and can be started by lew speed and force on the starter handle even small children under some circumstances Can produce the force necessary to star...

Page 7: ...visor Gloves with saw protection Trousers with saw protection Boots with saw protection steel toe cap and non slip sole Always have a first aid kit nearby Fire Extinguisher and Shovel Generally clothe...

Page 8: ...n saw can become very hot To release the chain brake pull the front hand guard backwards towards the front handle Kickback can be very sudden and violent Most kickbacks are minor and do not always act...

Page 9: ...brake If the chain brake is too sensitive it would activate all the time which would be a nuisance Will my chain brake always protect me from injury in the event of a kickback No First the chain brak...

Page 10: ...tch off the engine The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes away from the user I A WARNING The exhaust fumes from the engine are hot and may contain sparks...

Page 11: ...bar and saw _ chain increases the risk of kickback Only use the barZsaw chain combinations we recommend and follow the filing instructions See instruction s under the heading Technical data The only w...

Page 12: ...l produce wood powder and no chips or shavings A sharp chain eats its way through the wood and produces long thick chips or shavings The cutting part of the chain is called the cutter and consists of...

Page 13: ...etKmg is too large 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 thi...

Page 14: ...tighten the bar nuts while lifting the tip of the bar at the same time Check that you can pull the chain round freely by hand and that it does not sag from the underside of the bar The position of th...

Page 15: ...feature requires that you use the right sort of chain oil if the oil is too thin it will run out before the fuel and that you adjust the carburetor as recommended a lean mixture may mean that the fue...

Page 16: ...inch 4 mm the chain must be replaced 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...

Page 17: ...y located in the groove in the bar Tighten the bar nuts finger tight Tension the chain by turning the chain tensioning screw clockwise using the combination spanner The chain should be tensioned until...

Page 18: ...nd that the chain is correctly located in the groove in the bar Tension the chain by turning the wheel down The chain should be tensioned until it does not sag from the underside of the bar The chain...

Page 19: ...g in Avoid running at a too high speed for extended periods during the first 10 hours Two stroke oil For best results and performance use HUSQVARNA two stroke engine oil which is specially formulated...

Page 20: ...orate 2 If you have spilled fuel on yourself or your clothes change your clothes Wash any part of your body that has come in contact with fuel Use soap and water 3 If the machine is leaking fuel Check...

Page 21: ...the engine fires which can be heard through a puff sound push down on the red choke control Pull the starter handle 6 Keep on pulling the cord powerfully until the engine starts Warm engine Start pos...

Page 22: ...stop Do not drop start This method is very dangerous because you may lose control of the saw Never start the machine indoors Exhaust fumes can be dangerous if inhaled Observe your surroundings and mak...

Page 23: ...the headings How to avoid kickback and Machine s safety equipment Wear personal protective equipment See instructions under the heading Personal protective equipment Basic safety rules 1 Look around y...

Page 24: ...dles Most kickback accidents happen during limbing Make sure you are standing firmly and that there is nothing in the way that might make you trip or lose your balance Lack of concentration can lead t...

Page 25: ...ad i e without any resistance from the chain during cutting can lead to serious engine damage Cutting from above Cutting with a pulling chain Cutting from below Cutting with pushing chain Cutting with...

Page 26: ...the chain will touch the ground when you finish the cut Cut all the way through the log from above Avoid letting the chain touch the ground as you finish the cut Maintain full throttle but be prepared...

Page 27: ...risk See instructions under the heading Freeing a tree that has fallen badly IMPORTANT During critical felling operations hearing protectors should be lifted immediately when sawing is completed so t...

Page 28: ...trunk diameter The uncut section of the trunk is called the felling hinge The felling hinge controls the direction that the tree falls in All control over the felling direction is lost if the felling...

Page 29: ...anch break at the point of maximum tension Never cut straight through a tree or branch that is in tension If you must cut across tree limb make two to three cuts one inch apart one to two inches deep...

Page 30: ...e nose of the guide bar Be extremely cautious of limbs under tension They can spring back toward you and cause oss of control resulting in injury Make sure that you can stand and move about safely Wor...

Page 31: ...tops A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position It should also be good margin to the rpm when the chain starts to rotate _ adjusted so that the chai...

Page 32: ...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 lockout Make sure t...

Page 33: ...n In order to prevent unintentional starting the spark plug cap must be removed from the spark plug when assembling checking and or performing maintenance Muffler Never use a machine that has a faulty...

Page 34: ...lease the recoil spring by letting the pulley rotate slowly backwards Undo the bolt in the centre of the pulley and remove the drive disc A drive disc spring B and the pulley C Insert and secure a new...

Page 35: ...e starter cord so that the pulley engages with the pawls Fit and tighten the screws that hold the starter Air filter The air filter must be regularly cleaned to remove dust and dirt in order to avoid...

Page 36: ...r tip sprocket Lubricate the bar tip sprocket each time you refuel Use the special grease gun and a good quality bearing grease Needle bearing lubrication The clutch drum has a needle bearing on the o...

Page 37: ...e therefore often required Partly mask the air inlet on the starter to increase the working temperature of the engine Temperature 5 0 23 F or colder For running the machine in cold weather or powder s...

Page 38: ...on hole in the bar to be sure it is not clogged Clean the bar groove Lubricate the clutch drum bearing Clean the outside of the carburetor If the bar has a sprocket tip this should be lubricated Check...

Page 39: ...facturer of carburetor Zama Zama Zama Zama Carburetor type EL 37 EL 37 EL 37 EL 37 Fuel tank capacity US pint litre 0 99 0 47 0 99 0 47 0 99 0 47 0 99 0 47 Oil pump capacity at 9 000 rpm ml min 13 13...

Page 40: ...ose bar Bar and chain combinations Chain saw models Husqvarna 445 445e and 450e met the kickback performance requirements of ANSI B175 1 2000 when tested with the combinations of bars and saw chains l...

Page 41: ...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 WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair...

Page 42: ...snug fitting clothing protective gloves and eye hearing and head protection devices Use caution when handling fuel Move the chain saw at least 10 feet 3 m from the fueling point before starting the e...

Page 43: ...1151381 95 Illlllllll lllll IIlllllllllllll IIll 2008 12 15...

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