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334T  338XPT

 

Oper

 

ator’s manual

 

Please r

 

ead the operator’s manual carefully and make sure you understand the instructions before using the machine.

Содержание 1153158-95

Страница 1: ...E E E En n n ng g g gl l l li i i is s s sh h h h 334T 338XPT Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Страница 2: ...ause serious personal injury 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 engine by moving the stop switch to the STOP position before carrying out any checks or maintenance Working position Choke Always wear approved protective gloves Re...

Страница 3: ...erred to on the Emission Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal and Californian emissions requirements Maintenance replacement or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual ...

Страница 4: ...ing and stopping 20 WORKING TECHNIQUES Before use 22 General working instructions 22 How to avoid kickback 29 MAINTENANCE Carburetor 30 Checking maintaining and servicing chain saw safety equipment 31 Muffler 33 Starter 33 Air filter 34 Spark plug 35 Lubricating the bar tip sprocket 35 Adjustment of the oil pump 35 Cooling system 35 Maintenance schedule 36 TECHNICAL DATA Technical data 37 Bar and ...

Страница 5: ... 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 6: ... off switch Choke control Start throttle lock Working position 11 Air purge 12 Top handle 13 Fixing eye for safety line 14 Spark plug cap 15 Starter handle 16 Front handle 17 Oil pump adjustment screw 18 Throttle lockout 19 Throttle control 20 Bar 21 Chain 22 Bar tip sprocket 23 Chain catcher 24 Chain tensioning screw 338XPT 25 Product and serial number plate 26 Clutch cover with built in chain br...

Страница 7: ...c Avoid 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 This machine produces an electromagnetic field during operation This field may under some circumstances interfere with active or passive medical implants To reduce the risk of serious or fatal injur...

Страница 8: ...t 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 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 WARNING Most chain saw accidents happen when the chain touches the ...

Страница 9: ...chain if you lose grip of the front handle The chain brake must be engaged when the chain saw is started 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...

Страница 10: ... order 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 activated during the kickback as described above t...

Страница 11: ... Keep the chain s cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain increases the risk of accidents Maintain the correct depth gauge setting Follow our instructions and use the recommended depth gauge clearance Too large a clearance increases the risk of kickback WARNING Overexposure to vibration can lead to circulatory d...

Страница 12: ... 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 pitch inches The spacing between the drive links of the chain must match the spacing of the teeth on the bar tip sprocket and drive sprocket Number of drive links T...

Страница 13: ... 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 sharpen cutting teeth you will need a round file and a file gauge See instructions under the heading Technical ...

Страница 14: ... 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 chain tension every time you refuel NOTE A new chain has a running in period during which you should check the tens...

Страница 15: ... that you also use the recommended cutting equipment a bar that is too long will use more chain oil 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 3 4 throttle you should see a distinct line of oil on...

Страница 16: ...ary 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 equipment Do not tackle an...

Страница 17: ...rive sprocket 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 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 ...

Страница 18: ...when changing the type of fuel see instructions under the heading 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 t...

Страница 19: ...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 The bar guard must always be fitted to the cutting attachment when the machine is being transpor...

Страница 20: ...er 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 Push in the choke control as soon as the engine fires and make repeated starting attempts Immediately press and release the throttle when the engine starts That will disengage the throttle latch WARNING Note the following before starting The chain brake must be engaged when t...

Страница 21: ...ry 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 22: ...maintenance work above ground level the working area should always be secured and marked out with signs tape or the like The person s on the ground should always inform the person s working above before they enter the secure working area 4 Do not use the machine in bad weather such as dense fog heavy rain strong wind intense cold etc Working in bad weather is tiring and often brings added risks su...

Страница 23: ...ts 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 control over the workpi...

Страница 24: ... and warmed up by the ground worker and the chain brake should be engaged before it is sent up to the operator in the tree The chainsaw should be fitted with a suitable strop for attaching to the operator s harness a choke the strop around the attachment point on the rear of the saw b provide suitable karabiners to allow indirect i e via the strop and direct attachment i e at the attachment point ...

Страница 25: ...ped during cutting operators should switch off the saw and attach it securely to the tree inboard i e towards the truck side of the cut or to a separate tool line pull the saw from the kerf whilst lifting the branch as necessary if necessary use a handsaw or second chain saw to release the trapped saw by cutting a minimum of 30 cm away from the trapped saw Whether a handsaw or a chainsaw is used t...

Страница 26: ...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 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...

Страница 27: ...all in the direction you first intended 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 Topping a tree Topping a tree is done using three cuts First you make the directional cuts which consist of the top cut and the bottom cut then you finis...

Страница 28: ...cut and directional cuts with single cutting strokes See the Technical data section to find out which lengths of bar are recommended for your saw There are methods for felling trees with a diameter larger than the bar length However these methods involve a much greater risk that the kickback zone of the bar will come into contact with the tree Freeing a tree that has fallen badly Cutting trees and...

Страница 29: ...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 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 th...

Страница 30: ...e 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 Fine tuning may be required if the chain saw after changing the type of fuel performs differently with regard to starting acceleration maximum speed etc Conditions Before any adjustments are made the air filter should be clean and ...

Страница 31: ...e If the L and H jets are set too rich it will lead to 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 is at least 0 02...

Страница 32: ... 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 idle adjustment Chain catcher Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw Vibration damping system Regularly check the vibration damping units for cracks or deformation Make...

Страница 33: ...exhaust fumes Carbon monoxide CO which is poisonous and odorless is not however reduced Consequently never work in an enclosed or badly ventilated area Good air circulation should always prevail when working in snowy hollows ravines or in confined conditions Starter Changing a broken or worn starter cord Loosen the screws that hold the starter against the crankcase and remove the starter Pull out ...

Страница 34: ... 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 must be regularly cleaned to remove dust and dirt in order to avoid Carburettor malfunctions Starting problems Loss of engine power Unnecessary wear to engine parts Excessive fuel consumption Remove the air filter after tak...

Страница 35: ...tments are made by turning the screw using a screwdriver or combination spanner The machine is supplied from the factory with the screw set to middle position Turning the screw clockwise will reduce the oil flow and turning the screw anti clockwise will increase the oil flow Recommended settings Less oil with short bar and or soft wood More oil with longer bar and or hard wood Cooling system To ke...

Страница 36: ...ily for more even 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 File off any burrs from the edges of the bar Clean the outside of the carburetor Check that the bar and chain are getting sufficient oil Clean or replace the spark arrestor screen on the muffler Check fuel hose for cracks or other da...

Страница 37: ...m Fuel tank capacity US pint litre 0 72 0 34 0 72 0 34 Oil pump capacity at 8 500 rpm ml min 3 7 3 7 Oil tank capacity US pint litre 0 30 0 14 0 30 0 14 Type of oil pump Automatic Automatic Weight Chain saw without bar or chain empty tanks lb kg 7 7 3 5 7 7 3 5 Chain bar Standard bar length inch cm 14 34 14 34 Recommended bar lengths inch cm 12 14 30 35 12 16 30 40 Usable cutting length inches cm ...

Страница 38: ...he same pitch and having the same number of sprocket teeth may be considered to have equivalent kickback 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 requirem...

Страница 39: ... husqvarna com WARRANTY COMMENCEMENT DATE The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser LENGTH OF COVERAGE Husqvarna Forest Garden warrants to the ultimate purchaser and each subsequent owner that the engine or equipment is designed built and equipped so as to conform with all applicable regulations adopted by EPA and CARB and is free from def...

Страница 40: ...e liable to warrant failures of warranted parts caused by the use of a non exempted add on or modified part HOW TO FILE A CLAIM If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest Garden at 1 800 487 5951 or visit www usa husqvarna com WHERE TO GET WARRANTY SERVICE Warranty services or re...

Страница 41: ...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...

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Страница 44: ...1153158 95 z U y 5Q z U y 5Q 2010 06 11 Original instructions ...

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