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WORKING TECHNIQUES

28 – English

Kickback only occurs if the kickback zone of the bar
touches an object.

Limbing

Make sure that you can stand and move about safely.
Work on the left side of the trunk. Work as close as
possible to the chain saw for maximum control. If possible,
let the weight of the chain saw rest on the trunk.

Keep the trunk between you and the chain saw as you
move along the trunk.

Cutting the trunk into logs

See instructions under the heading Basic cutting
technique.

!

WARNING! A majority of kickback
accidents occur during limbing. Do not
use the kickback zone of the guide bar.
Be extremely cautious and avoid
contacting the log, other limbs or objects
with the nose of the guide bar. Be
extremely cautious of limbs under
tension. They can spring back toward
you and cause loss of control resulting
in injury.

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Содержание 362

Страница 1: ...E En n n ng g g gl l l li i i is s s sh h h h 365 SPECIAL 372 XP 372 XPG Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Страница 2: ...ssion valve when starting the machine Ignition choke Set the choke control in the choke position This should automatically set the stop switch to the start position Adjustment of the oil pump Chain brake activated right Chain brake not activated left Other symbols decals on the machine refer to special certification requirements for certain markets Symbols in the operator s manual Switch off the e...

Страница 3: ...ing and stopping 19 WORKING TECHNIQUES Before use 21 General working instructions 21 How to avoid kickback 27 MAINTENANCE General 29 Carburettor adjustment 29 Carburettor with movement limiters 29 Carburettor without movement limiters 30 Checking maintaining and servicing chain saw safety equipment 32 Muffler 34 Starter 35 Air filter 36 Spark plug 36 Lubricating the bar tip sprocket 36 Needle bear...

Страница 4: ...dustry Husqvarna s aim is also to be in the front edge according to ergonomics usability security and environmental protection That is the reason why we have developed many different features to provide our products within these areas We are convinced that you will appreciate with great satisfaction the quality and performance of our product for a very long time to come The purchase of one of our ...

Страница 5: ...ews carburettor 8 Choke control Start throttle lock 9 Rear handle 10 Stop switch Ignition on off switch 11 Fuel tank 12 Muffler 13 Bar tip sprocket 14 Chain 15 Bar 16 Spike bumper 17 Chain catcher 18 Clutch cover 19 Rear handle with right hand guard 20 Throttle control 21 Throttle lockout 22 Decompression valve 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual 26 Transport guar...

Страница 6: ...is equipped with a spring loaded stop switch and can be started by low speed and force on the starter handle even small children under some circumstances can produce the force necessary to start the machine This can mean a risk of serious personal injury Therefore remove the spark plug cap when the machine is not under close supervision IMPORTANT This chain saw for forest service is designed for f...

Страница 7: ...y equipment In this section the machine s safety features and their function are explained For inspection and maintenance see 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 are located on your machine The life span of the machine can be reduced and the risk of accidents can incre...

Страница 8: ...d to prevent the saw chain from rotating Use the chain brake as a parking brake when starting and when moving over short distances to reduce the risk of moving chain accidentally hitting your leg or anyone or anything close by 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 ac...

Страница 9: ...er the heading Checking maintaining and servicing chain saw safety equipment We recommend you do before you begin each work session Second the kickback must be strong enough to activate the chain 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 brake mus...

Страница 10: ...chain breaking or jumping off the bar Obtain optimal cutting performance Extend the life of cutting equipment Avoid increasing vibration levels General rules Only use cutting equipment recommended by us See instructions under the heading Technical data Keep the chain s cutting teeth properly sharpened Follow our instructions and use the WARNING Overexposure to vibration can lead to circulatory dam...

Страница 11: ... versions Some terms that describe the bar and chain To maintain the safety features 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 bar tip sprocket T Chain ...

Страница 12: ...angle 2 Cutting angle 3 File position 4 Round file diameter It is very difficult to sharpen a chain correctly without the right equipment We recommend that you use our file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain See instructions under the heading Technical data for information about sharpening your chain Sharpening cutting teeth To sh...

Страница 13: ... gauge that protrudes through the depth gauge tool The depth gauge setting is correct when you no longer feel resis tance as you draw the file along the depth gauge tool Tensioning the chain The more you use a chain the longer it becomes It is therefore important to adjust the chain regularly to take up the slack Check the chain tension every time you refuel NOTE A new chain has a running in perio...

Страница 14: ...brication 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 3 4 throttle you should see a distinct line of oil on the light surface If the chain lubrication is not working Check that the oil channel in the bar is not obstructed Clean if necessary Check that ...

Страница 15: ...n Replace the bar if necessary Whether the tip of the bar is uneven or badly worn If a hollow forms on the underside of the bar tip this is due to running with a slack chain To prolong the life of the bar you should turn it over daily WARNING Most chain saw accidents happen when the chain touches the operator Wear personal protective equipment See instructions under the heading Personal protective...

Страница 16: ...rocket and that the chain is correctly 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 it does not sag from the underside of the bar See instructions under the heading Tensioning the chain The chain is correctly tensioned when it does not sag from t...

Страница 17: ...nning 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 for our air cooled two stroke engines Never use two stroke oil intended for water cooled engines sometimes referred to as outboard oil rated TCW Never use oil intended for four stroke engines A po...

Страница 18: ...relays switches boilers and the like Always store fuel in an approved container designed for that purpose For longer periods of storage or for transport of the chain saw the fuel and chain oil tanks should be emptied Ask where you can dispose of waste fuel and chain oil at your local petrol station The bar guard must always be fitted to the cutting attachment when the machine is being transported ...

Страница 19: ...n saw on the ground by placing your right foot through the rear handle Pull the starter handle with your right hand and pull out the starter cord slowly until you feel a resistance as the starter pawls engage then pull firmly and rapidly Never twist the starter cord around your hand CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully ...

Страница 20: ... start the machine indoors Exhaust fumes can be dangerous if inhaled Observe your surroundings and make sure that there is no risk of people or animals coming into contact with the cutting equipment Always hold the saw with both hands The right hand should be on the rear handle and the left hand on the front handle All people whether right or left handed should use this grip Use a firm grip with t...

Страница 21: ... 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 4 Make sure you can move and stand safely Check the area around you for possible obstacles roots rocks branches ditches etc in case you have to move suddenly Take great care when working on sloping ground 5 Take great care when cutting a tr...

Страница 22: ...f kickback and lets you keep the chain saw under control Do not let go of the handles 3 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 to kickback if the kickback zone of the bar accidentally touches a branch nearby tree or some other object Have contro...

Страница 23: ...an lead to serious engine damage Cutting from above Cutting on the pull stroke Cutting from below Cutting on the push stroke Cutting on the push stroke increases the risk of kickback See instructions under the heading How to avoid kickback Terms Cutting General term for cutting through wood Limbing Cutting branches off a felled tree Splitting When the object you are cutting breaks off before the c...

Страница 24: ...from the opposite side The log is supported at one end There is a high risk that it will split Start by cutting from below about 1 3 of the way through Finish by cutting from above so that the two cuts meet The log is supported at both ends There is a high risk that the chain will jam Start by cutting from above about 1 3 of the way through Finish by cutting from below so that the two cuts meet Tr...

Страница 25: ...wth from the base of the tree and check the area for obstacles stones branches holes etc so that you have a clear path of retreat when the tree starts to fall Your path of retreat should be roughly 135 degrees away from the intended felling direction 1 Danger zone 2 Retreat path 3 Felling direction Felling Felling is done using three cuts First you make the directional cuts which consist of the to...

Страница 26: ...ctional cut line so that the distance between them is at least 1 10 of the 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 hinge is too narrow or non existent or if the directional cuts and felling cut are badly placed When the felling cut and dire...

Страница 27: ...eak 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 Continue to cut deeper until tree limb bends and tension is released Cut tree limb from outside the bend after tension has been released How to avoid kickback What is kickback The word kickback is used to de...

Страница 28: ...on the trunk Keep the trunk between you and the chain saw as you move along the trunk Cutting the trunk into logs See instructions under the heading Basic cutting technique WARNING A majority of kickback accidents occur during limbing Do not use the kickback zone of the guide bar Be extremely cautious and avoid contacting the log other limbs or objects with the nose of the guide bar Be extremely c...

Страница 29: ...manufactured to specifications that reduce harmful emissions Function The carburettor governs the engine s speed via the throttle control Air and fuel are mixed in the carburettor The air fuel mixture is adjustable Correct adjustment is essential to get the best performance from the machine Adjusting the carburettor means that the engine is adapted to local operating conditions e g climate altitud...

Страница 30: ... the factory the engine is adjusted at sea level When working at a high altitude or in different weather conditions temperatures and atmospheric humidity it may be necessary to make minor adjustments to the high speed jet CAUTION If the high speed jet is screwed in too far it may damage the piston cylinder When test run at the factory the high speed jet is set so that the engine satisfies the appl...

Страница 31: ...ockwise as far as they will go Now turn the jets one turn anti clockwise The carburettor is now set to H 1 and L 1 Now start the machine according to the starting instructions and let it warm up for 10 minutes Place the machine on a flat surface so that the bar points away from you and so that the bar and chain do not come into contact with the surface or other objects Low speed jet L Try to find ...

Страница 32: ...the engine If both the L and H jets are set too rich it will results in acceleration problems or too low a working speed Checking maintaining and servicing chain saw safety equipment Chain brake and front hand guard Checking brake band wear Brush off any wood dust resin and dirt from the chain brake and clutch drum Dirt and wear can impair operation of the brake Regularly check that the brake band...

Страница 33: ...Throttle lockout Make sure the throttle control is locked at the idle setting when the throttle lockout is released Press the throttle lockout and make sure it returns to its original position when you release it Check that the throttle control and throttle lockout move freely and that the return springs work properly Start the chain saw and apply full throttle Release the throttle control and che...

Страница 34: ...ll cause 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 the spark arrestor mesh is missing or defective The muffler is designed to reduce the noise level and ...

Страница 35: ... clockwise Note Check that the pulley can be turned at least a further 1 2 turn when the starter cord is pulled all the way out Changing a broken recoil spring 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 Remove the cassette with the recoil spring from the starter ...

Страница 36: ...actors cause deposits on the spark plug electrodes which may result in operating problems and starting difficulties If the machine is low on power difficult to start or runs poorly at idle speed always check the spark plug first before taking any further action If the spark plug is dirty clean it and check that the electrode gap is 0 5 mm The spark plug should be replaced after about a month in op...

Страница 37: ...ned Clean the air intake to the starter the fins on the flywheel the space around the flywheel inlet pipe and carburettor compartment Winter use Running problems can occur when using the machine in the cold and snowy conditions caused by Too low engine temperature Icing of the air filter and carburettor Special measures are therefore often required Partly mask the air inlet on the starter to incre...

Страница 38: ...the carburetor always has the right working temperature Applications The carburettor heater is used in the following temperature range 0ºC or colder During high humidity icing of the carburettor can occur earlier than specified The carburettor heater only heats the carburettor when the 3 way switch is set to position II The switch is off in position 0 supplies current to the handle heater in posit...

Страница 39: ... Check the lubrication hole in the 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 Clean the outside of the carburettor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check the fuel filter and the fuel hose Replace if necessary Check the saw chain wi...

Страница 40: ...0 Ignition system Spark plug NGK BPMR 7A Champion RCJ 7Y NGK BPMR 7A Champion RCJ 7Y NGK BPMR 7A Champion RCJ 7Y Electrode gap mm 0 5 0 5 0 5 Fuel and lubrication system Oil pump capacity at 8 500 rpm ml min 4 20 4 20 4 20 Oil tank capacity litre 0 42 0 42 0 42 Type of oil pump Automatic Automatic Automatic Weight Chain saw without bar or chain empty tanks kg 6 0 6 1 6 3 Noise emissions see note 1...

Страница 41: ...CIAL 372 XP and 372 XPG Saw chain filing and file gauges Bar Chain Length inch Pitch inch Gauge mm Max nose radius Type Length drive links no 15 3 8 1 5 11T Husqvarna H42 56 16 3 8 1 5 11T Husqvarna H42 60 18 3 8 1 5 11T Husqvarna H42 68 20 3 8 1 5 11T Husqvarna H42 72 24 3 8 1 5 11T Husqvarna H42 84 28 3 8 1 5 11T Husqvarna H42 92 ...

Страница 42: ...pplied EN ISO 12100 2 2003 CISPR 12 2005 EN ISO 11681 1 2004 Notified body 0404 SMP Svensk Maskinprovning AB Fyrisborgsgatan 3 SE 754 50 Uppsala Sweden has carried out EC type examination in accordance with the machinery directive s 2006 42 EC article 12 point 3b The certificates for EC type examination in accordance with annex IX have the numbers 0404 09 2107 365 SPECIAL 0404 09 2089 372 XP 372 X...

Страница 43: ......

Страница 44: ...1153180 26 z U2 6a z U2 6a 2009 12 29 Original instructions ...

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