Husqvarna 261 Скачать руководство пользователя страница 13 | Manualshive

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13

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C

General advice on setting raker clearance

• When you sharpen the

cutting teeth you reduce the
RAKER CLEARANCE
(cutting depth). To maintain
cutting performance you
must file back the raker
teeth to the recommended
height.

See the

”Technical data”

section to find the raker
clearance for your saw
chain.

• On a low-kickback cutting

link the front edge of the
raker lip is rounded. It is
very important that you
maintain this radius or bevel
when you adjust the raker
clearance.

• We recommend the use of a

raker gauge to achieve the
correct clearance and bevel
on the raker lip.

The risk of kickback is increased if the raker
clearance is too large!

SAFETY INSTRUCTIONS

D

Setting the raker clearance

• Before setting the raker clearance the cutting teeth should be

newly sharpened.
We recommend that you adjust the raker clearance every
third time you sharpen the chain. NOTE! This
recommendation assumes that the length of the cutting teeth
is not reduced excessively.

• To adjust the raker

clearance you will need a
FLAT FILE and a RAKER
GAUGE.

• Place the gauge over the

raker lip.

• Place the file over the part

of the lip that protrudes
through the gauge and file
off the excess. The
clearance is correct when
you no longer feel any
resistance as you draw the
file over the gauge.

3 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 saw chain has a running-in period during which
you should check the tension more frequently.

• Tension the chain as tightly

as possible, but not so tight
that you cannot pull it round
freely by hand.

A slack chain may jump off and cause serious
or even fatal injury.

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Содержание 261

Страница 1: ...101 90 03 95 Please read these instructions carefully and make sure you understand them before using the saw Operator s manual EPA 261 ...

Страница 2: ... them before using the saw Always wear Approved protective helmet Approved hearing protection Protective glasses or visor Both of the operator s hands must be used to operate the chain saw Please see page 30 in your Chain saw operator s safety manual Never operate a chain saw holding it with one hand only Please see page 30 in your Chain saw operator s safety manual Contact of the guide bar tip wi...

Страница 3: ...rrectly fitted and adjusted See page 25 Refuel and start the saw Check the carburetor settings See pages 26 29 Do not use the saw until sufficient chain oil has reached the chain see page 14 IMPORTANT If the carburetor mixture is too lean it greatly increases the risk of engine failure Poor maintenance of the air filter will cause carbon build up on the spark plug and lead to difficult starting If...

Страница 4: ...gerous tool if used carelessly or incorrectly and can cause serious even fatal injuries It is very important that you read and understand these instructions PERSONAL PROTECTIVE EQUIPMENT MOST CHAIN SAW ACCIDENTS HAPPEN WHEN THE CHAIN TOUCHES THE OPERA TOR You must wear approved protective equipment whenever you use a chain saw Personal protective equipment cannot eliminate the risk of injury but i...

Страница 5: ...ed mechanism that tightens the Brake Band C around the engine drive system D Clutch Drum SAFETY INSTRUCTIONS 2 The front hand guard is not designed solely to activate the chain brake Another important safety feature is that it prevents the chain from hitting your left hand if you lose your grip on the front handle 3 You can also use the chain brake as a temporary brake when you change position or ...

Страница 6: ... but there are certain factors to remember see point 6 above 2 Throttle lock The throttle lock is designed to prevent accidental opera tion of the throttle control When you press the lock A i e when you grasp the handle it releases the throttle trigger B When you release the handle the throttle trigger and the throttle lock both move back to their original positions This movement is controlled by ...

Страница 7: ...perience symptoms of overexposure to vibration These symptoms include numbness loss of feeling tingling pricking pain loss of strength changes in skin colour or condition These symptoms normally appear in the fingers hands or wrists SAFETY INSTRUCTIONS The exhaust fumes from the engine are hot and may contain sparks which can start a fire Never start the saw indoors or near combustible material Th...

Страница 8: ...d front hand guard 1 Checking brake band wear Brush off any sawdust 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 6 mm thick at its thinnest point SAFETY INSTRUCTIONS 4 Checking the brake trigger Start the chain saw and place it on firm ground Make sure the chain does not touch the ground or any...

Страница 9: ... 1 Make sure the throttle control is locked at the idle setting when you release the throttle lock 2 Press the throttle lock and make sure it returns to its original position when you release it 3 Check that the throttle control and throttle lock move freely and that the return springs work properly 4 Start the saw and apply full throttle Release the throttle control and check that the chain stops...

Страница 10: ...he risk of kickback Reduce the risk of the chain breaking or jumping Obtain maximum cutting performance Extend the life of cutting equipment The 5 basic rules 1 Only use cutting equipment recommended by us See the Technical data section 2 Keep the chain cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain increases the risk ...

Страница 11: ...EL OF KICKBACK REDUCTION The level of kickback reduction offered by a chain is indicated by its model number See the Technical data section to find the model numbers of chains that are recommended for use with your saw 1 Cutting equipment designed to minimise kickback Faulty cutting equipment or the wrong combination of bar and chain increases the risk of kickback Use only the bar and chain combin...

Страница 12: ...data section for information about sharpening your saw chain It is very difficult to sharpen a chain correctly without the right equipment We recommend you use a file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain The following faults will increase the risk of kickback considerably FILE ANGLE TOO LARGE CUTTING ANGLE TOO SMALL FILE DIAMETER TO...

Страница 13: ...sharpened We recommend that you adjust the raker clearance every third time you sharpen the chain NOTE This recommendation assumes that the length of the cutting teeth is not reduced excessively To adjust the raker clearance you will need a FLAT FILE and a RAKER GAUGE Place the gauge over the raker lip Place the file over the part of the lip that protrudes through the gauge and file off the excess...

Страница 14: ...have been chosen so that the saw 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 run out before the fuel and that you adjust the carburetor as recommended a weak mixture may mean that the fuel lasts longer than the oil You should also use...

Страница 15: ... each time you refuel Use the special grease gun and a good quality bearing grease SAFETY INSTRUCTIONS E Lubricating the clutch drum bearing Between the engine drive shaft and the clutch drum is a needle bearing that must be lubricated daily Use the specially designed grease gun and a good quality bearing grease F Checking wear on cutting equipment Saw chain Check the saw chain daily for Visible c...

Страница 16: ...ee section on General working instructions CHECK THAT ALL SAFETY FUNCTIONS ARE WORKING see section on General working instructions and General safety precautions SAFETY INSTRUCTIONS HOW TOAVOID KICKBACK Kickback can happen very suddenly and violently kicking the 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...

Страница 17: ...the wrong cutting equipment or a chain that is not sharpened correctly The wrong combination of bar and chain can increase the risk of kickback General rules 1 If you understand what kickback is and how it happens then you can reduce or eliminate the element of surprise By being prepared you reduce the risk Kickback is usually quite mild but it can sometimes be very sudden and violent 2 Always hol...

Страница 18: ...nd Then grasp the starter handle with your right hand and pull the starter cord 7 FUEL SAFETY Refuelling fuel mixture storage Fuel and fuel vapour are highly inflammable Take care when handling fuel and chain oil Keep away from naked flames and do not breathe in fuel vapour Never try to refuel the saw while it is running Make sure there is plenty of ventilation when refuelling or mixing fuel 2 str...

Страница 19: ... rain strong wind intense cold etc Working in cold 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 Check the area around you for possi...

Страница 20: ...nish the cut Maintain full throttle but be prepared in case the chain snatches A If it is possible to turn the log you should stop cutting about 2 3 of the way through B Turn the log and finish the cut from the opposite side 2 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 l...

Страница 21: ...e tree in the best possible position for subsequent limbing and cross cutting You want it to fall on ground where you can move about safely The main point to avoid is letting the tree fall onto another tree It can be both difficult and dangerous to remove a tree in such a position see point 4 in this section Once you have decided which way you want the tree to fall you must judge which way the tre...

Страница 22: ... weight or with the aid of a FELLING WEDGE or BREAKING BAR C Clearing the trunk and preparing your retreat Remove any branches that are in the way To do this it is best to work from the top down and keep the trunk between you and the chain saw Never limb above shoulder height Remove any undergrowth from the base of the tree and check the area for obstacles stones branches holes etc so that you hav...

Страница 23: ...fely In complicated situations the only safe method is to put aside your chain saw and use a winch SAFETY INSTRUCTIONS General advice a Position yourself so that you will be clear of the tree or branch when it springs free b Make one or more cuts at or near the BREAKING POINT Make as many cuts of sufficient depth as necessary to reduce the tension and make the tree or branch break at the BREAKING ...

Страница 24: ...ank 12 Muffler 13 Bar tip sprocket 14 Saw chain 15 Saw bar 16 Bumper 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover 19 Right hand guard Protects right hand if chain breaks or jumps 20 Throttle control 21 Throttle lock Prevents accidental operation of throttle control 22 Decompression valve 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual 26 Bar guard 2 3 ...

Страница 25: ...o be checked frequently until the chain is run in Check the chain tension regularly A correctly tensioned chain gives good cutting performance and long lifetime A Fit the clutch cover and locate the chain adjuster pin in the hole on the bar Check that the drive links of the chain fit correctly on the drive sprocket and that the chain is in the groove on the bar Tighten the bar nuts finger tight Te...

Страница 26: ... the air temperature In temperatures below 0o C 32o F some oils become too viscous This can overload the oil pump and result in damage to the oil pump components Contact your servicing dealer when choosing chain oil Always provide for good ventilation when handling fuel IMPORTANT The chain saw is equipped with a two stroke engine and must always been run using a mixture of gasoline and two stroke ...

Страница 27: ... fuel cap carefully after fuelling Always move the saw from the fuelling area before starting Clean around the fuel cap Clean the fuel and chain oil tanks regularly The fuel filter should be changed at least once a year Contamination in the fuel tanks causes malfunction Make sure the fuel is well mixed by shaking the container before fuelling The volume of chain oil and fuel tanks are adjusted to ...

Страница 28: ...diately when the engine ignites and make repeated starting attemps When the engine starts rapidly give full throttle Then the throttle latch will disengage CAUTION Do not release the starter handle from fully pulled out position as this can cause damage on the saw Cold engine CHAIN BRAKE Disengage the chain brake by pulling the hand guard towards the front handle IGNITION Move the ignition switch ...

Страница 29: ...s to rotate Then turn counter clockwise until the chain stops A correctly adjusted idle speed setting occurs when the engine runs smoothly in every position It should also be good margin to the rpm when the chain starts to rotate High speed needle H The high speed needle H influences the power of the saw A too lean adjusted high speed needle H high speed needle H closed too much gives overrevs and...

Страница 30: ...l when changing the recoil spring or the starter cord Always wear safety goggles for eye protection MAINTENANCE Tensioning the recoil spring Lift the starter cord up in the notch on the starter pulley and turn the starter pulley 2 turns clockwise NOTE Check that the starter pulley can be turned at least half a turn when the starter cord is entirely pulled out Changing the broken recoil spring Lift...

Страница 31: ...tervals IMPORTANT A damaged air filter must always be replaced MAINTENANCE Spark plug The spark plug condition is influenced by An incorrect carburetor setting Wrong fuel mixture too much oil in the gasoline A dirty air filter These factors cause deposits on the spark plug electrodes which may result in malfunction and starting difficulties If the engine is low on power difficult to start or runs ...

Страница 32: ...buretor space and prevent formation of ice in the air filter NOTE When the cover is placed in the air nozzle it is important that the air nozzle seals hermetically to the cylinder cover When the cover is mounted in position A it must be turned with the cut towards the air filter To make a proper centrifugal cleaning possible the air nozzle must seal hermetically to the crankcase and cylinder cover...

Страница 33: ...he throttle trigger for smooth operation If any binding occurs or if engine fails to return to idle the saw should be taken to your dealer before it is used again Also be sure that the trigger cannot be pulled until the throttle trigger lockout is depressed 2 Clean the chain brake and check its function according to the instructions Make sure that the chain catcher is undamaged Otherwise replace i...

Страница 34: ...ecified in ANSI B 175 1 We recommend that you as a replacement use the listed chains or Low kickback saw chains which are available at your dealer Guide bar Saw chain Length Pitch Max nose inch inch radius 13 0 325 10T Husqvarna H30 or Oregon 95VP 15 0 325 10T 16 0 325 10T 18 0 325 10T 15 0 325 10T Husqvarna H21 H25 S24 or 16 0 325 10T Oregon 21LP 21VB 34LG 18 0 325 10T 20 0 325 10T 16 3 8 11T Hus...

Страница 35: ...d 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 perfor med at no charge to the owner at an approved Husqvarna Forest Garden servicing dealer If you have any questions regarding your war...

Страница 36: ...1998W48 3ÆG 5 ...

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