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MAINTENANCE

36 – English

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 with
the screw set to position 2. Turning the screw clockwise
will reduce the oil ﬂow and turning the screw anti-
clockwise will increase the oil ﬂow.

Recommended settings:

Bar 13"-15": Position 1

Bar 15"-18": Position 2

Bar 18"-20": Position 3

Cooling system

To keep the working temperature as low as possible the
machine is equipped with a cooling system.

The cooling system consists of:

1

Air intake on the starter.

2

Air guide plate.

3

Fins on the ﬂywheel.

4

Cooling ﬁns on the cylinder.

5

Cylinder cover (directs cold air over the cylinder).

Clean the cooling system with a brush once a week, more
often in demanding conditions. A dirty or blocked cooling
system results in the machine overheating which causes
damage to the piston and cylinder.

Note! The cooling system on a chain saw with catalytic
converter must be cleaned daily. This is particularly
important on chain saws with catalytic converters,
because the higher exhaust temperature requires
efﬁcient cooling of the engine and the catalytic converter
unit.

”Air Injection” centrifugal
cleaning

Centrifugal cleaning means the following: All air to the
carburetor passes through the starter. Dirt and dust is
pushed out by the cooling fan.

IMPORTANT! In order to maintain operation of the
centrifugal cleaning system it must be regularly
maintained. Clean the air intake to the starter, the ﬁns on
the ﬂywheel, the space around the ﬂywheel, inlet pipe and
carburetor 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 carburetor.

Special measures are therefore often required:

•

Partly mask the air inlet on the starter to increase the
working temperature of the engine.

•

Preheat the intake air to the carburetor by using the
heat from the cylinder.

Temperature 0

°°°°

C (32

°°°°

F) or colder:

The cylinder cover is designed so it can be adjusted for
running in cold weather. Twist the winter ﬂap so that
preheated air from the cylinder can pass into the
carburetor space preventing icing of the air ﬁlter, etc.

!

WARNING! The engine must be stopped
when making adjustments.

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Содержание 1151435-95

Страница 1: ...E E En n n ng g g gl l l li i i is s s sh h h h 346XP EPA I 353 EPA III Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Страница 2: ...fast reverse reaction kicking the guide bar up and towards the operator May cause serious personal injury If your machine bears this symbol it is equipped with a catalytic converter 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 o...

Страница 3: ... of operating hours for which the engine has been shown to meet Federal emissions requirements Maintenance replacement or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual The engine exhaust from this product contains chemical known to the State of California to cause cancer birth defects or other reproductive harm ...

Страница 4: ...ING TECHNIQUES Before use 22 General working instructions 22 How to avoid kickback 29 MAINTENANCE General 30 Carburetor adjustment 30 Checking maintaining and servicing chain saw safety equipment 31 Mufﬂer 33 Starter 34 Air ﬁlter 35 Spark plug 35 Lubricating the bar tip sprocket 35 Needle bearing lubrication 35 Adjustment of the oil pump 36 Cooling system 36 Air Injection centrifugal cleaning 36 W...

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 satisﬁe...

Страница 6: ...h 11 Fuel tank 12 Mufﬂer 13 Bar tip sprocket 14 Chain 15 Bar 16 Bumper spike 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 guard 27 Oil pump adjustment screw 28 Switch for heated handle Models 346XPG 353G 29 Information and warnin...

Страница 7: ...ances interfere with pacemakers To reduce the risk of serious or fatal injury we recommend persons with pacemakers to consult their physician and the pacemaker manufacturer before operating this machine IMPORTANT The machine is only designed for cutting wood You should only use the saw with the bar and chain combinations we recommend in the chapter Technical data Never use the machine if you are f...

Страница 8: ...eatures 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 increase if machine maintenance is not carried out corre...

Страница 9: ...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 either manually or automatically by the inertia release mechanism depends on the force of the kickback and the position of the chain saw in relation to t...

Страница 10: ... 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 to stop the saw chain Third the chain brake may be activated but if the bar is too close to you the bra...

Страница 11: ...ain 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 recommended ﬁle gauge A damaged or badly sharpened chain increases the risk of accidents WARNING Overe...

Страница 12: ...nd 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 pitch inches The spacing between the drive l...

Страница 13: ...etermined by the difference in height between the two depth gauge setting When you sharpen a cutting tooth there are four important factors to remember 1 Filing 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 cu...

Страница 14: ...d a depth gauge tool We recommend that you use our depth gauge tool to acheive the correct depth gauge setting and bevel for the depth gauge Place the depth gauge tool over the chain Detailed information regarding the use of the depth gauge tool will be found on the package for the depth gauge tool Use the ﬂat ﬁle to ﬁle off the tip of the depth gauge that protrudes through the depth gauge tool Th...

Страница 15: ... 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 fuel lasts longer than the oil and 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 headin...

Страница 16: ...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 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 W...

Страница 17: ...at 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 18: ...y 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 ...

Страница 19: ...equipment electric 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 befo...

Страница 20: ...ain Starting Grip the front handle with your left hand Hold the chain 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 wrap the starter cord around your hand CAUTION Do not pull the starter cord all the way o...

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: ...g 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 possibl...

Страница 23: ...d the chain saw ﬁrmly with your right hand on the rear handle and your left hand on the front handle Wrap your ﬁngers and thumbs around the handles You should use this 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...

Страница 24: ...use only combinations that are recommended by us See instructions under the headings Cutting equipment and Technical data Basic cutting technique General Always use full throttle when cutting Reduce the speed to idle after every cut running the engine for too long at full throttle without any load i e without any resistance from the chain during cutting can lead to serious engine damage Cutting fr...

Страница 25: ...as increasing the risk of losing your balance while working The log is lying on the ground There is little risk of the chain jamming or the object splitting However there is a risk that 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 for what might ...

Страница 26: ...hat the tree will break and start to fall before you expect it to You may ﬁnd you are forced to let the tree fall in its natural direction because it is impossible or dangerous to try to make it fall 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 m...

Страница 27: ... run 1 4 of the diameter through the trunk and the angle between the top cut and bottom cut should be 45 The line where the two cuts meet is called the directional cut line This line should be perfectly horizontal and at right angles 90 to the chosen 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 o...

Страница 28: ...ver try to fell the tree that is trapped Never work in the risk zone of the hanging trapped tree The safest method is to use a winch Tractor 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 an...

Страница 29: ...d 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 ...

Страница 30: ... and running in The basic carburetor settings are adjusted during testing at the factory Avoid running at a too high speed for extended periods during the ﬁrst 10 hours CAUTION If the chain rotates while idling theT screw must be turned anti clockwise until the chain stops Rec idle speed 2700 rpm Fine adjustment When the machine has been run in the carburetor should be ﬁnely adjusted The ﬁne adjus...

Страница 31: ...ting difﬁculties and poor acceleration If the H 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...

Страница 32: ... 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 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 ...

Страница 33: ...will cause the engine to overheat and may lead to serious damage Note The screen must be replaced if it is damaged If the screen 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 screen is missing or defective The mufﬂer is designed to reduce the noise level...

Страница 34: ...t 2 turns clockwise Note Check that the pulley can be turned an additional 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 star...

Страница 35: ...much or incorrect type of oil A dirty air ﬁlter These factors 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 0 020 inch 0 5...

Страница 36: ...saws with catalytic converters because the higher exhaust temperature requires efﬁcient cooling of the engine and the catalytic converter unit Air Injection centrifugal cleaning Centrifugal cleaning means the following All air to the carburetor passes through the starter Dirt and dust is pushed out by the cooling fan IMPORTANT In order to maintain operation of the centrifugal cleaning system it mu...

Страница 37: ...oils These are fed with electrical current from an integrated generator in the chain saw When the switch is pushed downwards the heat is switched on When the switch is pushed upwards the heat is switched off Electrical carburetor heating 346XPG 353G On models with the designation CARBURETOR HEATING there is an electrically heated carburetor Electrically powered heating prevents ice formation in th...

Страница 38: ...n 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 39: ...er of carburetor Zama Zama Carburetor type C3 EL32 C3 EL32 Fuel tank capacity US pint litre 1 06 0 5 1 06 0 5 Oil pump capacity at 9 000 rpm ml min 5 12 5 12 Oil tank capacity US pint litre 0 59 0 28 0 59 0 28 Type of oil pump Automatic Automatic Weight Chain saw without bar or chain empty tanks lb kg 346XP 11 0 5 0 353 11 0 5 0 346XPG 11 2 5 1 353G 11 2 5 1 346XP E tech 11 0 5 0 353 E tech 11 0 5...

Страница 40: ...e radius as a sprocket nose bar may be considered to have equivalent or less kickback energy than the sprocket nose bar Bar and chain combinations Chain saw models Husqvarna 346XP and 353 met the kickback performance requirements of ANSI B 175 1 2000 when tested with the combinations of bars and saw chains listed below The saw chain Husqvarna H30 is also classiﬁed as a low kickback saw chain since...

Страница 41: ...English 41 TECHNICAL DATA Saw chain ﬁling and ﬁle gauges ...

Страница 42: ...r 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 questions regarding your ...

Страница 43: ...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 44: ...1151435 95 z SK 5 z SK 5 2008 12 22 ...

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