Husqvarna 450 Operation Manual

Husqvarna 450 Manual

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  • Husqvarna 450 | Operation Manual - Page 1
    Operator′s manual 445 445e 450e Please read the operator's manual carefully and make sure you understand the instructions before using the machine. English 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 2
    1 5 6 8 9 11 12 14 16 15 2 - English 2 3 4 7 10 13 17 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 3
    18 19 21 23 22 26 27 29 30 32 33 35 36 38 39 1153136-26 Rev.1 2009-12-29 20 24 25 28 31 34 37 40 English - 3
  • Husqvarna 450 | Operation Manual - Page 4
    41 42 43 44 45 46 47 48 49 50 3 A 1 53 56 51 52 2 54 55 , 57 58 59 60 61 62 4 - English 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 5
    63 65 64 67 68 69 71 72 73 75 76 78 79 1 3 2 1 1 2 81 82 84 85 1153136-26 Rev.1 2009-12-29 66 1 2 3 70 74 77 80 83 86 87 English - 5
  • Husqvarna 450 | Operation Manual - Page 6
    88 90 91 89 92 93 94 95 96 97 98 99 100 101 102 1 2 103 104 105 106 110 107 A B 111 6 - English 108 109 112 113 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 7
    Protective goggles or a visor must be worn. Refuelling. Filling with oil and adjusting oil flow. The chain brake must be engaged when the chain saw is started. WARNING! Kickback may occur when the nose or tip of the guide bar touches an object, and cause a lightning fast reverse reaction, kicking the
  • Husqvarna 450 | Operation Manual - Page 8
    bar and chain 17 FUEL HANDLING Fuel 18 Fuelling 19 Fuel safety 19 STARTING AND STOPPING Starting and stopping 20 WORKING TECHNIQUES Before use 22 General working instructions 22 How to avoid kickback 25 MAINTENANCE General 26 Carburettor adjustment 26 Checking, maintaining and servicing
  • Husqvarna 450 | Operation Manual - Page 9
    notice. What is what on the chain saw? 1 Cylinder cover 2 Decompression valve 3 Air purge 4 Start reminder 5 Combined start and stop switch 6 Rear handle 7 Information and warning decal 8 Fuel tank 9 Adjuster screws carburettor 10 Starter handle 11 Starter 12 Chain oil tank 13 Product and serial
  • Husqvarna 450 | Operation Manual - Page 10
    Before using a new chain saw • Please read this manual carefully. • (1) - (113) refer to figures on p. 2-6. • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly. • Refuel and start the chain saw. See the instructions under the headings Fuel
  • Husqvarna 450 | Operation Manual - Page 11
    a first aid kit nearby. • Fire instructions under the heading Checking, maintaining and servicing chain saw safety equipment. See instructions under the heading, What is what?, to find where these parts bar never touches any object. (4) • The chain brake (A) can either be activated manually
  • Husqvarna 450 | Operation Manual - Page 12
    or jumps off. This should not happen if the chain is properly tensioned (see instructions under the heading Assembly) and if the bar and chain are properly serviced and maintained (see instructions under the heading General working instructions). (10) Right hand guard Apart from protecting your hand
  • Husqvarna 450 | Operation Manual - Page 13
    of the cutting equipment, you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by Husqvarna. See instructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend. Bar • Length (inches/cm) • Number of teeth on
  • Husqvarna 450 | Operation Manual - Page 14
    chain is worn out and should be replaced. (23) General advice on adjusting depth gauge setting • When you sharpen the cutting tooth (A) the depth gauge setting (C) will of the bar. (29) The position of the chain tensioning screw on our chain saws varies from model to model. See instructions under the
  • Husqvarna 450 | Operation Manual - Page 15
    could lead to serious, even fatal injuries. Checking chain lubrication • Check the chain lubrication each time you refuel. See instructions under the heading Lubricating the bar tip sprocket. Aim the tip of the bar at a light coloured surface about 20 cm (8 inches) away. After 1 minute running at
  • Husqvarna 450 | Operation Manual - Page 16
    teeth is reduced to 4 mm (5/32") the chain is worn out and should be replaced. 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
  • Husqvarna 450 | Operation Manual - Page 17
    to fit the chain adjuster pin in the hole in the bar. Check that the drive links of the chain fit correctly over the drive sprocket and that the chain is correctly located in the groove in the bar. Tighten the bar nut with your fingers. Tension the chain by turning the chain tensioning screw clockwise
  • Husqvarna 450 | Operation Manual - Page 18
    grade (suitable viscosity range) to suit the air temperature. • In temperatures below 0°C (32°F) some oils become too viscous. This can overload the oil pump and result in damage to the oil pump components. • Contact your service agent when choosing chain oil. 18 - English 1153136-26 Rev.1 2009-12
  • Husqvarna 450 | Operation Manual - Page 19
    ! precautions, will lessen the starting. Clean the area around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter must be replaced bar guard. Clean the machine. See instructions under the heading Maintenance schedule. Ensure the machine is cleaned and that a complete service
  • Husqvarna 450 | Operation Manual - Page 20
    valve (2): Press the valve to reduce the pressure in the cylinder and make starting easier. Once the machine has started the valve will automatically return to its original setting. (50) Air purge (3): Press the air purge diaphragm repeatedly until fuel fills the diaphragm (at least 6 times
  • Husqvarna 450 | Operation Manual - Page 21
    start a chain saw unless the bar, chain and all covers are fitted correctly. See instructions under the heading Assembly. Without a bar and chain attached to the chain saw the clutch can come loose and cause serious injury. • The chain brake should be activated when starting. Se instructions under
  • Husqvarna 450 | Operation Manual - Page 22
    chain saw dealer, service agent or an experienced chain saw user. Do not attempt any task that you feel unsure of! Before using a chain saw you must understand the effects of kickback and how to avoid them. See instructions if the kickback zone of the bar accidentally touches a branch, nearby tree
  • Husqvarna 450 | Operation Manual - Page 23
    saw and the position of the kickback zone. (62) 9 Follow the instructions on sharpening and maintaining your bar and chain. When you replace the bar and chain use only combinations that are recommended by us. See instructions under the headings Cutting equipment and Technical data. Basic cutting
  • Husqvarna 450 | Operation Manual - Page 24
    is supported at both ends. There is a high risk that the chain will jam. (73) Start inches) above the bottom directional cut. (81) Set the spike bumper (if one is fitted) just behind the felling hinge. Use full throttle and advance the chain/bar slowly into the tree. Make sure the tree does not start
  • Husqvarna 450 | Operation Manual - Page 25
    the tree should start to fall by itself or with the aid of a felling wedge or breaking bar. (84) 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 cuts with single cutting strokes. See instructions under the heading
  • Husqvarna 450 | Operation Manual - Page 26
    's Manual. More extensive work must be carried out by an authorized service workshop. Carburettor adjustment Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. Function • The carburettor governs the engine's speed via the throttle control. Air
  • Husqvarna 450 | Operation Manual - Page 27
    the engine to overheat and may lead to serious damage. Note! The mesh must be replaced if it is damaged. If the mesh is blocked the machine will overheat and this will cause damage to the cylinder and piston. Never use a machine with a muffler that is in poor condition. Never use a muffler if
  • Husqvarna 450 | Operation Manual - Page 28
    . 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. Spark plug Recoil spring (A) • Lift up the starter pulley. See instructions under the heading
  • Husqvarna 450 | Operation Manual - Page 29
    piston and cylinder. "Air Injection" centrifugal cleaning Centrifugal cleaning means the following: All air to the carburettor passes through the starter. Dirt maintenance other than that described in this manual must be carried out by your servicing dealer (retailer). 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 30
    bar, to be sure it is not clogged. Clean the bar groove. If the bar has a sprocket tip, this should be lubricated. Lubricate the clutch drum bearing. Check that the bar and chain Check the brake band on the chain brake for wear. Replace when less than 0.6 mm (0,024 inch) remains at the most worn
  • Husqvarna 450 | Operation Manual - Page 31
    /number of teeth Spur/7 Chain speed at max. power, m/sec 17,3 445e 45,7 42 33 2700 2,1/9000 NGK BPMR 7A/ Champion RCJ 7Y/ Husqvarna PR 17Y 0,5 0,45 13 0,26 Not adjustable 5,1 112 114 103 1,9 2,6 13"/33 13-20/33-50 12-19/31-49 0,325/8,25 0,058/1,5, 0,050/1,3 Spur/7 17,3 450e 50,2 44 33 2700
  • Husqvarna 450 | Operation Manual - Page 32
    for the models Husqvarna 445, 445e and 450e. Length, inch 13 15 16 18 20 13 15 16 18 20 Pitch, inch 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 0,325 Bar Gauge, mm 1,3 1,5 Max. nose radius 10T 10T 10T 10T 10T 10T 10T 10T 10T 12T Type Husqvarna H30 Husqvarna H25 Chain Length, drive
  • Husqvarna 450 | Operation Manual - Page 33
    46-36-146500, declares under sole responsibility that the chain saws for forest service Husqvarna 445, 445e and 450e from 2009's serial numbers and onwards (the year , CISPR 12:2005, EN ISO 11681-1:2004 Notified body: 0404, SMP Svensk Maskinprovning AB, Fyrisborgsgatan 3, SE-754 50 Uppsala, Sweden,
  • Husqvarna 450 | Operation Manual - Page 34
    34 - English 1153136-26 Rev.1 2009-12-29
  • Husqvarna 450 | Operation Manual - Page 35
    1153136-26 Rev.1 2009-12-29 English - 35
  • Husqvarna 450 | Operation Manual - Page 36
    Original instructions 1153136-26 ´´®®zz++UU--^^¶¶66{{¨¨ 2009-12-29
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1153136-26
Rev
.1
2009-12-29
445
445e
450e
Oper
ator
′
s manual
Please r
ead the operator’s manual carefully and make sure you understand the instructions before using the machine.
English