Husqvarna 336 EPA I Скачать руководство пользователя страница 28 | Manualshive

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28 –

English

WORKING TECHNIQUES

How to avoid kickback

What is kickback?

The word kickback is used to describe the sudden reaction
that causes the chain saw and bar to jump off an object when
the upper quadrant of the tip of the bar, known as the kickback
zone, touches an object.

Kickback always occurs in the cutting plane of the bar.
Normally the chain saw and bar are thrown backwards and
upwards towards the user. However, the chain saw may move
in a different direction depending on the way it was being used
when the kickback zone of the bar touched the object.

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! 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.

!

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 336 EPA I

Страница 1: ... E E En n n ng g g gl l l li i i is s s sh h h h 336 EPA I 339XP EPA I Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Страница 2: ...back which may cause serious injury 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 guide bar up and towards the operator May cause serious personal injury Other symbols decals on the machine refer to special certification requirements for certain markets Symbols in the operator s manual Switch off the engin...

Страница 3: ...g 19 WORKING TECHNIQUES Before use 21 General working instructions 21 How to avoid kickback 28 MAINTENANCE General 29 Carburetor adjustment 29 Checking maintaining and servicing chain saw safety equipment 30 Muffler 32 Starter 32 Air filter 33 Spark plug 34 Lubricating the bar tip sprocket 34 Adjustment of the oil pump 34 Cooling system 34 Maintenance schedule 35 TECHNICAL DATA Technical data 36 B...

Страница 4: ... and market high quality motor 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 necessary If the retailer who sells your machine is not one of our authorized dealers ask for the address of your nearest servicing dealer It is our wish that you will be satisfi...

Страница 5: ...ion 10 Rear handle 11 Stop switch Ignition on off switch 12 Fuel tank 13 Muffler 14 Bar tip sprocket 15 Chain 16 Bar 17 Spark plug cap 18 Chain catcher 19 Clutch cover with built in chain brake 20 Rear handle with right hand guard 21 Throttle control 22 Throttle lockout 23 Screwdriver 24 Combination spanner 25 Chain tensioning screw 26 Operator s manual EPA 27 Transport guard 28 Oil pump adjustmen...

Страница 6: ...contact with these elements in the event of a damaged muffler WARNING Long term inhalation of the engine s exhaust fumes chain oil mist and dust from sawdust can represent a health risk WARNING The ignition system of this machine produces an electromagnetic field during operation This field may under some circumstances interfere with pacemakers To reduce the risk of serious or fatal injury we reco...

Страница 7: ...d and the risk of accidents can increase if machine maintenance is not carried out correctly and if service and or repairs are not carried out professionally If you need further information please contact your nearest servicing dealer Chain brake and front hand guard Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback The chain brake reduces the r...

Страница 8: ... 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 activate the chain brake If this happens you should hold the chain saw firmly and not let go The way the chain brake is activated eithe...

Страница 9: ... 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 must be in working order to provide the intended protection Second it must be acti...

Страница 10: ...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 performance Extend the life of cutting equipment Avoid increasing vibration levels WARNING Overexposure to vibration can lead to circulatory damage or nerve damage in people who have impaired circulation Contact your doctor if yo...

Страница 11: ...ce of kickback Chain A chain is made up of a number of links which are available in standard and low kickback 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 replacem...

Страница 12: ...g 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 ...

Страница 13: ...or the depth gauge tool Use the flat file to file off the tip of the depth gauge that protrudes through the depth gauge tool The depth gauge setting is correct when you no longer feel resistance 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 ch...

Страница 14: ...l our chain saws have an automatic chain lubrication system On some models the oil flow is also adjustable The sizes of the chain oil tank and fuel tank have been chosen so that the engine will run out of fuel before running out of oil This means that you should never run with a dry chain However this safety feature requires that you use the right sort of chain oil if the oil is too thin it will r...

Страница 15: ...e the existing chain with a new chain to decide how badly the existing chain is worn When the length of the cutting teeth has worn down to only 0 16 inch 4 mm the chain must 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 bar ...

Страница 16: ...t 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 See instructions under the heading Tensioning the chain The chain is correctly tensioned when it does not sag from the underside of the bar but can still be turned easily by hand Hold up the bar tip and tighten t...

Страница 17: ... Carburetor Running 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 strok...

Страница 18: ...lectric motors 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 gas station Ensure the machine is cleaned and that a complete service is carried out before long ter...

Страница 19: ... starter pawls engage then pull firmly and rapidly Never wrap 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 extended This can damage the machine Slide the control to its start throttle position when the engine fires and make repeated attempts until the engine starts When the engine starts quickl...

Страница 20: ...ery 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 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...

Страница 21: ...ng in bad weather is tiring and often brings added risks such as icy ground unpredictable felling direction etc 3 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 4 Make sure you can move and stand safely Check the area around you for possib...

Страница 22: ...s grip whether you are right handed or left handed This grip minimizes the effect of 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...

Страница 23: ...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 cut is complete There are five important factors you should consider before making a cut 1 Make sure the cutting equipment will not jam in the cut 2 Make sure the object you are cutting will not split 3 Make sure the chain ...

Страница 24: ... 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 for what might happen If it is possible can you turn the log stop cutting about 2 3 of the way through the log Turn the log and finish the cut from the opposite side The log is supported at one end There is a high risk that it will split Start by cutting fro...

Страница 25: ...nded Another very important factor which does not affect the felling direction but does affect your safety is to make sure the tree has no damaged or dead branches that might break off and hit you during felling The main point to avoid is letting the tree fall onto another tree It is very dangerous to remove a trapped tree and there is high accident risk See instructions under the heading Freeing ...

Страница 26: ...hosen felling direction Felling cut The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut on the pull stroke Make the felling cut about 1 5 2 inches 3 5 cm above the bottom directional cut Finish the felling cut parallel with the directional cut line so that the distance between them is at least 1 10 of the trunk d...

Страница 27: ...mounted Portable Cutting trees and branches that are in tension Preparations Work out which side is in tension and where the point of maximum tension is i e where it would break if it was bent even more Decide which is the safest way to release the tension and whether you are able to do it safely In complicated situations the only safe method is to put aside your chain saw and use a winch General ...

Страница 28: ...lose 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 Kickback can happen very suddenly and violently kicking the chain saw bar and chain back at the user If this happens...

Страница 29: ...ates while idling the T screw must be turned anti clockwise until the chain stops Rec idle speed 2800 rpm Fine adjustment When the machine has been run in the carburetor should be finely adjusted The fine adjustment should be carried out by a qualified person First adjust the L jet then the idling screw T and then the H jet Conditions Before any adjustments are made the air filter should be clean ...

Страница 30: ...jet is set too lean the machine will have less power poor acceleration and could suffer damage to the engine 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 is at least...

Страница 31: ...ure 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 check that the chain stops and remains stationary If the chain rotates when the throttle control is in the idle position you should check the carburetor idl...

Страница 32: ...y from the operator The exhaust gases are hot and can contain sparks which may cause fire if directed against dry and combustible material A muffler equipped with a catalytic converter significantly reduces the amount of hydrocarbons HC nitrogen oxides NO and aldehydes in the exhaust fumes Carbon monoxide CO which is poisonous and odorless is not however reduced Consequently never work in an enclo...

Страница 33: ...th light oil Fit the cassette with recoil spring in the starter Fit the starter pulley and tension the recoil spring Fitting the starter To fit the starter first pull out the starter cord and place the starter in position against the crankcase Then slowly release the starter cord so that the pulley engages with the pawls Fit and tighten the screws that hold the starter Air filter The air filter mu...

Страница 34: ...tip sprocket Lubricate the bar tip sprocket each time you refuel Use the special grease gun and a good quality bearing grease Adjustment of the oil pump 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 set to 1 turn open Turning the screw clockwise will reduce the oil flow and turning the screw ...

Страница 35: ... wear 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 carburetor Check that the bar and chain are getting sufficient oil File off any burrs from the edges of the bar Check fuel hose for cracks or other damage Change if necessary Check the saw ch...

Страница 36: ...anufacturer of carburetor Zama Zama Carburetor type C1Q EL20 C1Q EL20 Fuel tank capacity US pint litre 0 76 0 36 0 76 0 36 Oil pump capacity at 8 500 rpm ml min 3 7 3 7 Oil tank capacity US pint litre 0 43 0 20 0 43 0 20 Type of oil pump Automatic Automatic Weight Chain saw without bar or chain empty tanks lb kg 8 4 3 8 8 4 3 8 Chain bar Standard bar length inch cm 13 33 13 33 Recommended bar leng...

Страница 37: ... energy A hard nose bar having the same length and nose radius as a sprocket nose bar may be considered to have equivalent or less kickback energy than the sprocket nose bar Low kickback saw chain is a chain which has only met the kickback performance requirements of ANSI B 175 1 safety requirements for gasoline powered chain saws when tested on the representative sample of chain saws below 3 8 cu...

Страница 38: ... 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 WHAT IS COVERED REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Forest Garden servicing dealer If you have any quest...

Страница 39: ...and securely assembled Be sure that the saw chain stops moving when the throttle control trigger is released Shut off the engine before setting the chain saw down Use extreme caution when cutting small size brush and saplings because slender material may catch the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that y...

Страница 40: ... z RHQ 59 2006 12 01 z RHQ 59 1150404 95 ...

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