Jonsered Chainsaw CS 2135T User Manual

Operator’s manual (EPA II)  
Please read the operator’s manual carefully and  
make sure you understand the instructions  
before using the machine.  
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CS 2135T  
CONTENTS  
Contents  
KEY TO SYMBOLS  
Symbols on the machine: .............................................  
Symbols in the operator’s manual: ...............................  
CONTENTS  
Contents ......................................................................  
INTRODUCTION  
5
Dear customer! ............................................................  
WHAT IS WHAT?  
What is what on the chain saw? ..................................  
GENERAL SAFETY PRECAUTIONS  
Before using a new chain saw .....................................  
Important ......................................................................  
Always use common sense .........................................  
Personal protective equipment .....................................  
Machines safety equipment ........................................  
Cutting equipment ........................................................ 10  
ASSEMBLY  
Fitting the bar and chain .............................................. 15  
FUEL HANDLING  
Fuel .............................................................................. 16  
Fueling ......................................................................... 17  
Fuel safety ................................................................... 17  
STARTING AND STOPPING  
Starting and stopping ................................................... 18  
WORKING TECHNIQUES  
Before use: ................................................................... 20  
General working instructions ....................................... 20  
How to avoid kickback .................................................. 25  
MAINTENANCE  
General ........................................................................ 26  
Carburetor adjustment ................................................. 26  
Checking, maintaining and servicing chain saw safety  
equipment .................................................................... 27  
Muffler .......................................................................... 28  
Starter .......................................................................... 28  
Air filter ......................................................................... 29  
Spark plug .................................................................... 30  
Lubricating the bar tip sprocket .................................... 30  
Adjustment of the oil pump .......................................... 30  
Cooling system ............................................................ 30  
Maintenance schedule ................................................. 31  
TECHNICAL DATA  
Technical data .............................................................. 32  
Bar and chain combinations ........................................ 33  
Saw chain filing and file gauges ................................... 33  
FEDERAL EMISSION CONTROL WARRANTY  
STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS ..... 34  
AMERICAN STANDARD SAFETY PRECAUTIONS  
Safety precautions for chain saw users ....................... 35  
English – 3  
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INTRODUCTION  
Dear customer!  
Congratulations on your choice to buy a Jonsered product!  
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 satisfied with your product and that it will be your companion for a long time. Think of this operators  
manual as a valuable document.By following itscontent (using, service, maintenance etc) the life span and the second-hand value  
of the machine can be extended. If you ever lend or sell this machine, make sure that the borrower or buyer gets the operators  
manual, so they will also know how to properly maintain and use it.  
Good luck on using your Jonsered machine!  
Jonsered has a policy of continuous product development and therefore reserves the right to modify the design and appearance  
of products without prior notice.  
4 – English  
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WHAT IS WHAT?  
What is what on the chain saw?  
1
2
3
4
5
6
7
8
Filter cover  
16 Bar  
Front handle  
17 Bumper spike  
Front hand guard  
Starter  
18 Chain catcher  
19 Clutch cover with built-in chain brake.  
20 Oil pump adjustment screw  
21 Throttle control  
Chain oil tank  
Starter handle  
Adjuster screws carburetor  
22 Throttle lockout  
Stop and choke control: Ignition on/off switch Choke  
control/Start throttle lock Working position  
23 Combination spanner  
24 Chain tensioning screw  
25 Operator’s manual (EPA)  
26 Bar guard  
9
Rear handle  
10 Spark plug cap  
11 Fuel tank  
12 Muffler  
27 Fixing eye for safety line  
28 Information and warning decal  
29 Product and serial number plate  
13 Bar tip sprocket  
14 Air purge  
15 Chain  
English – 5  
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GENERAL SAFETY PRECAUTIONS  
Before using a new chain saw  
Important  
Please read this manual carefully.  
IMPORTANT!  
Check that the cutting equipment is correctly fitted and  
adjusted. See instructions under the heading Assembly.  
The machine is only designed for cutting wood.  
Refuel and start the chain saw. See the instructions under  
the headings Fuel Handling and Starting and Stopping.  
You should only use the saw with the bar and chain  
combinations we recommend in the chapter Technical data.  
Do not use the chain saw until sufficient chain oil has  
reached the chain. See instructions under the heading  
Lubricating cutting equipment.  
Never use the machine if you are fatigued, while under the  
influence of alcohol or drugs, medication or anything that  
could affect your vision, alertness, coordination or  
judgement.  
Long-term exposure to noise can result in permanent  
hearing impairment. So always use approved hearing  
protection.  
Wear personal protective equipment. See instructions  
under the heading Personal protective equipment.  
Do not modify this product or use it if it appears to have  
been modified by others.  
WARNING! Under no circumstances may the  
design of the machine be modified without  
the permission of the manufacturer. Always  
Never use a machine that is faulty. Carry out the checks,  
maintenance and service instructions described in this  
manual.Some maintenance and service measures must be  
carried out by trained and qualified specialists. See  
instructions under the heading Maintenance.  
!
use genuine accessories. Non-authorized  
modifications and/or accessories can result  
in serious personal injury or the death of the  
operator or others.Your warranty may not  
cover damage or liability caused by the use  
of non-authorized accessories or  
Never use any accessories other than those recommended  
in this manual. See instructions under the headings Cutting  
equipment and Technical data.  
replacement parts.  
CAUTION! Always wear protective glasses or a face visor  
to reduce the risk of injury from thrown objects. A chain saw  
is capable of throwing objects, such as wood chips, small  
pieces of wood, etc, at great force.This can result in serious  
injury, especially to the eyes.  
WARNING! A chain saw is a dangerous tool  
if used carelessly or incorrectly and can  
cause serious, even fatal injuries. It is very  
important that you read and understand the  
contents of this operator’s manual.  
!
WARNING! Running an engine in a confined  
or badly ventilated area can result in death  
due to asphyxiation or carbon monoxide  
poisoning.  
!
WARNING! The inside of the muffler contain  
chemicals that may be carcinogenic. Avoid  
contact with these elements in the event of a  
!
damaged muffler.  
WARNING! Faulty cutting equipment or the  
wrong combination of bar and saw chain  
increases the risk of kickback! Only use the  
bar/saw chain combinations we recommend,  
and follow the filing instructions. See  
instructions under the heading Technical  
data.  
!
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  
Always use common sense  
!
circumstances 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.  
It is not possible to cover every conceivable situation you can  
face when using a chain saw. Always exercise care and use  
your common sense. Avoid all situations which you consider  
to be beyond your capability. If you still feel uncertain about  
operating procedures after reading these instructions, you  
should consult an expert before continuing. Do not hesitate to  
contact your dealer or us if you have any questions about the  
use of the chain saw. We will willingly be of service and  
provide you with advice as well as help you to use your chain  
saw both efficiently and safely. Attend a training course in  
6 – English  
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GENERAL SAFETY PRECAUTIONS  
chain saw usage if possible.Your dealer, forestry school or  
Generally clothes should be close-fitting without restricting  
your library can provide information about which training  
materials and courses are available.  
your freedom of movement.  
IMPORTANT! Sparks can come from the muffler, the bar  
and chain or other sources. Always have fire extinguishing  
tools available if you should need them. Help prevent forest  
fires.  
Machines safety 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 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.  
Work is constantly in progress to improve the design and  
technology - improvements that increase your safety and  
efficiency. Visit your dealer regularly to see whether you can  
benefit from new features that have been introduced.  
WARNING! Never use a machine with  
defective safety components. Safety  
equipment must be inspected and  
Personal protective equipment  
!
maintained. See instructions under the  
heading Checking, maintaining and  
servicing chain saw safety equipment. If  
your machine does not pass all the checks,  
take the saw to a servicing dealer for repair.  
WARNING! Most chain saw accidents  
happen when the chain touches the  
operator.You must use approved personal  
!
protective equipment whenever you use the  
machine. Personal protective equipment  
cannot eliminate the risk of injury but it will  
reduce the degree of injury if an accident  
does happen. Ask your dealer for help in  
choosing the right equipment.  
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 risk of accidents, but only you can prevent  
them.  
Take care when using your saw and make sure the kickback  
zone of the bar never touches any object.  
Approved protective helmet  
Hearing protection  
Protective goggles or a visor  
Gloves with saw protection  
Trousers with saw protection  
Boots with saw protection, steel toe-cap and non-slip sole  
Always have a first aid kit nearby.  
Fire Extinguisher and Shovel  
The chain brake (A) can either be activated manually (by  
your left hand) or automatically by the inertia release  
mechanism.  
The brake is applied when the front hand guard (B) is  
pushed forwards.  
B
B
A
English – 7  
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GENERAL SAFETY PRECAUTIONS  
This movement activates a spring-loaded mechanism that  
The way the chain brake is activated, either manually or  
tightens the brake band (C) around the engine drive  
system (D) (clutch drum).  
automatically by the inertia release mechanism, depends  
on the force of the kickback and the position of the chain  
saw in relation to the object that the kickback zone of the  
bar strikes.  
If you get a violent kickback while the kickback zone of the  
bar is farthest away from you the chain brake is designed  
to be activated by the inertia in the kickback direction.  
The front hand guard is not designed solely to activate the  
chain brake. Another important feature is that it reduces  
the risk of your left hand hitting the chain if you lose grip  
of the front handle.  
If the kickback is less violent or the kickback zone of the  
bar is closer to you the chain brake is designed to be  
activated manually by the movement of your left hand.  
The chain brake must be engaged when the chain saw is  
started to prevent the saw chain from rotating.  
In the felling position the left hand is in a position that  
makes manual activation of the chain brake impossible.  
With this type of grip, that is when the left hand is placed  
so that it cannot affect the movement of the front hand  
guard, the chain brake can only be activated by the inertia  
action.  
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.  
Will my hand always activate the chain  
brake during a kickback?  
No. It takes a certain force to move the hand guard forward. If  
your hand only lightly touches the front guard or slips over it,  
the force may not be enough to trigger the chain brake.You  
should also maintain a firm grip of the chain saw handles  
while working.If you do and experience a kickback, your hand  
may never leave the front handle and will not activate the  
chain brake, or the chain brake will only activate after the saw  
has swung around a considerable distance. In such  
instances, the chain brake might not have enough time to stop  
the saw chain before it touches you.  
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.  
There are also certain positions in which your hand cannot  
reach the front hand guard to activate the chain brake; for  
example, when the saw chain is held in felling position.  
8 – English  
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GENERAL SAFETY PRECAUTIONS  
Will my inetria activated chain brake  
Vibration damping system  
always activate during kickback in the  
event of a kickback?  
Your machine is equipped with a vibration damping system  
that is designed to reduce vibration and make operation  
easier.  
No. First your brake must be in working 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?  
The machines vibration damping system reduces the transfer  
of vibration between the engine unit/cutting equipment and  
the machines handle unit. The body of the chain saw,  
including the cutting equipment, is insulated from the handles  
by vibration damping units.  
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 brake might not have enough time to slow down and  
stop the chain before the chain saw hits you.  
Only you and proper working technique can eliminate  
kickback and its danger.  
Throttle lockout  
Cutting hardwoods (most broadleaf trees) creates more  
vibration than cutting softwoods (most conifers). Cutting with  
cutting equipment that is blunt or faulty (wrong type or badly  
sharpened) will increase the vibration level.  
The throttle lockout is designed to prevent accidental  
operation of the throttle control. When you press the lock (A)  
(i.e.when you grasp the handle) it releases the throttle control  
(B). When you release the handle the throttle control and the  
throttle lockout both move back to their original positions.This  
arrangement means that the throttle control is automatically  
locked at the idle setting.  
A
WARNING! Overexposure to vibration can  
lead to circulatory damage or nerve damage  
in people who have impaired circulation.  
!
Contact your doctor if you experience  
symptoms of overexposure to vibration.  
Such 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.These  
symptoms may be increased in cold  
temperatures.  
B
Chain catcher  
The chain catcher is designed to catch the chain if it snaps or  
jumps off. This should not happen if the chain is properly  
tensioned (see instructions under the heading Assembly) and  
if the bar and chain are properly serviced and maintained  
(see instructions under the heading General working  
instructions).  
Stop switch  
Use the stop switch to switch off the engine.  
English – 9  
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GENERAL SAFETY PRECAUTIONS  
Maintain the correct depth gauge setting! Follow our  
Muffler  
instructions and use the recommended depth gauge  
clearance. Too large a clearance increases the risk of  
kickback.  
The muffler is designed to keep noise levels to a minimum  
and to direct exhaust fumes away from the user.  
WARNING! The exhaust fumes from the  
engine are hot and may contain sparks  
which can start a fire. Never start the  
machine indoors or near combustible  
material!  
!
Keep the chain properly tensioned! If the chain is slack  
it is more likely to jump off and lead to increased wear on  
the bar, chain and drive sprocket.  
In areas with a hot, dry climate there is a high risk of fires.  
These areas are sometimes subject to government rules  
requiring among other things the muffler must be equipped  
with an approved type of spark arrestor screen.  
Keep cutting equipment well lubricated and properly  
maintained! A poorly lubricated chain is more likely to  
break and lead to increased wear on the bar, chain and  
drive sprocket.  
CAUTION! The muffler gets very hot during and after use.  
This also applies during idling. Be aware of the fire hazard,  
especially when working near flammable substances and/  
or vapours.  
Cutting equipment designed to reduce  
kickback  
WARNING! Never use a saw without a  
muffler, or with a damaged muffler. A  
damaged muffler may substantially increase  
!
WARNING! Faulty cutting equipment or the  
wrong combination of bar and saw chain  
increases the risk of kickback! Only use the  
bar/saw chain combinations we recommend,  
and follow the filing instructions. See  
instructions under the heading Technical  
data.  
the noise level and the fire hazard. Keep fire  
fighting equipment handy. If a spark arrestor  
screen is required in your area, never use  
the saw without or with a broken spark  
arrestor screen.  
!
The only way to avoid kickback is to make sure that the  
kickback zone of the bar never touches anything.  
Cutting equipment  
This section describes how to choose and maintain your  
cutting equipment in order to:  
By using cutting equipment with ”built-in” kickback reduction  
and keeping the chain sharp and well-maintained you can  
reduce the effects of kickback.  
Reduce the risk of kickback.  
Reduce the risk of the saw chain breaking or jumping off  
the bar.  
Bar  
Obtain optimal cutting performance.  
Extend the life of cutting equipment.  
Avoid increasing vibration levels.  
The smaller the tip radius the lower the chance of kickback.  
Chain  
A chain is made up of a number of links, which are available  
in standard and low-kickback versions.  
General rules  
Only use cutting equipment recommended by us!  
See instructions under the heading Technical data.  
IMPORTANT! No saw chain design eliminates the danger  
of kickback.  
WARNING! Any contact with a rotating saw  
chain can cause extremely serious injuries.  
!
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.  
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 Jonsered. See  
instructions under the heading Technical Data for a list of  
replacement bar and chain combinations we recommend.  
10 – English  
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GENERAL SAFETY PRECAUTIONS  
Bar  
Sharpening your chain and adjusting  
depth gauge setting  
Length (inches/cm)  
General information on sharpening cutting teeth  
Never use a blunt chain.When the chain is blunt you have  
to exert more pressure to force the bar through the wood  
and the chips will be very small. If the chain is very blunt  
it will produce wood powder and no chips or shavings.  
Number of teeth on bar tip sprocket (T).  
A sharp chain eats its way through the wood and  
produces long, thick chips or shavings.  
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.  
The cutting part of the chain is called the cutter and  
consists of a cutting tooth (A) and the depth gauge (B).  
The cutters cutting depth is determined by the difference  
in height between the two (depth gauge setting).  
Number of drive links. The number of drive links is  
determined by the length of the bar, the chain pitch and  
the number of teeth on the bar tip sprocket.  
Bar groove width (inches/mm).The groove in the bar must  
match the width of the chain drive links.  
When you sharpen a cutting tooth there are four important  
factors to remember.  
1
Filing angle  
Chain oil hole and hole for chain tensioner. The bar must  
be matched to the chain saw design.  
2
Cutting angle  
Chain  
3
4
File position  
Chain pitch (inches)  
Round file diameter  
Drive link width (mm/inches)  
Number of drive links.  
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.  
English – 11  
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GENERAL SAFETY PRECAUTIONS  
Adjustment of depth gauge setting  
WARNING! Departure from the sharpening  
instructions considerably increases the risk  
of kickback.  
!
Sharpening cutting teeth  
The cutting teeth should be newly sharpened before  
adjusting the depth gauge setting. We recommend that  
you adjust the depth gauge setting every third time you  
sharpen the cutting teeth. NOTE! This recommendation  
assumes that the length of the cutting teeth is not reduced  
excessively.  
To sharpen cutting teeth you will need a round file and a file  
gauge. See instructions under the heading Technical data for  
information on the size of file and gauge that are  
You will need a flat file and a depth gauge tool. We recom-  
mend that you use our depth gauge tool to acheive the  
correct depth gauge setting and bevel for the depth gauge.  
recommended for the chain fitted to your chain saw.  
Check that the chain is correctly tensioned. A slack chain  
will move sideways, making it more difficult to sharpen  
correctly.  
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. The depth gauge setting is  
correct when you no longer feel resistance as you draw  
the file along the depth gauge tool.  
Always file cutting teeth from the inside face. Reduce the  
pressure on the return stroke.File all the teeth on one side  
first, then turn the chain saw and file the teeth on the other  
side.  
Tensioning the chain  
File all the teeth to the same length. When the length of  
the cutting teeth is reduced to 0.16 inch (4 mm) the chain  
is worn out and should be replaced.  
WARNING! A slack chain may jump off the  
bar and cause serious or even fatal injury.  
!
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 tension more frequently.  
General advice on adjusting depth gauge setting  
When you sharpen the cutting tooth (A) the depth gauge  
setting (C) will decrease. To maintain optimal cutting  
performance the depth gauge (B) has to be filed down to  
achieve the recommended depth gauge setting. See  
instructions under the heading Technical data to find the  
correct depth gauge setting for your particular chain.  
Tension the chain as tightly as possible, but not so tight that  
you cannot pull it round freely by hand.  
Loosen the bar nuts that hold the clutch cover/chain  
brake. Use the combination spanner.Then tighten the bar  
nuts by hand as tight as you can.  
WARNING! The risk of kickback is increased  
if the depth gauge setting is too large!  
!
12 – English  
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GENERAL SAFETY PRECAUTIONS  
Raise the tip of the bar and stretch the chain by tightening  
The saw chain oil tank and the fuel tank are designed so  
the chain tensioning screw using the combination  
spanner. Tighten the chain until it does not sag from the  
underside of the bar.  
that the fuel runs out before the saw chain oil.  
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 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  
Use the combination spanner to tighten the bar nuts while  
lifting the tip of the bar at the same time. Check that you  
can pull the chain round freely by hand and that it does not  
sag from the underside of the bar.  
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 the light surface.  
The position of the chain tensioning screw on our chain saws  
varies from model to model. See instructions under the  
heading What is what? to find out where it is on your model.  
Lubricating cutting equipment  
WARNING! Poor lubrication of cutting  
equipment may cause the chain to snap,  
which could lead to serious, even fatal  
injuries.  
!
If the chain lubrication is not working:  
Check that the oil channel in the bar is not obstructed.  
Clean if necessary.  
Chain oil  
Chain oil must demonstrate good adhesion to the chain and  
also maintain its flow characteristics regardless of whether it  
is warm summer or cold winter weather.  
As a chain saw manufacturer we have developed an optimal  
chain oil which has a vegetable oil base. We recommend the  
use of our own oil for both maximum chain life and to minimise  
environmental damage. If our own chain oil is not available,  
standard chain oil is recommended.  
Check that the groove in the edge of the bar is clean.  
Clean if necessary.  
Never use waste oil! Using waste oil can be dangerous to  
you and damage the machine and environment.  
IMPORTANT! When using vegetable based saw chain oil,  
dismantle and clean the groove in the bar and saw chain  
before long-term storage. Otherwise there is a risk of the  
saw chain oil oxidizing, which will result in the saw chain  
becoming stiff and the bar tip sprocket jamming.  
Check that the bar tip sprocket turns freely and that the  
lubricating hole in the tip sprocket is not blocked. Clean  
and lubricate if necessary.  
Filling with chain oil  
All our chain saws have an automatic chain lubrication  
system. On some models the oil flow is also adjustable.  
If the chain lubrication system is still not working after carrying  
out the above checks and associated measures you should  
contact your servicing dealer.  
English – 13  
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GENERAL SAFETY PRECAUTIONS  
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.  
Chain drive sprocket  
The clutch drum is fitted with one of the following drive  
sprockets:  
A Spur sprocket (the chain sprocket is welded on the drum)  
B Rim sprocket (replaceable)  
To prolong the life of the bar you should turn it over daily.  
Regularly check the degree of wear on the drive sprocket.  
Replace if wear is excessive. Replace the drive sprocket  
whenever you replace the chain.  
WARNING! Most chain saw accidents  
happen when the chain touches the  
operator.  
Checking wear on cutting equipment  
!
Wear personal protective equipment. See  
instructions under the heading Personal  
protective equipment.  
Check the chain daily for:  
Do not tackle any job that you feel you are  
not adequately trained for. See instructions  
under the headings Personal protective  
equipment, How to avoid kickback, Cutting  
equipment and General working  
instructions.  
Visible cracks in rivets and links.  
Whether the chain is stiff.  
Avoid situations where there is a risk of  
kickback. See instructions under the  
heading Machines safety equipment.  
Whether rivets and links are badly worn.  
Use the recommended protective equipment  
and check its condition. See instructions  
under the headings Technical data and  
General safety precautions.  
Replace the saw chain if it exhibits any of the points above.  
We recommend you compare the existing chain with a new  
chain to decide how badly the existing chain is worn.  
Check that all the chain saw safety features  
are working. See instructions under the  
headings General working instructions and  
General safety precautions.  
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.  
14 – English  
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ASSEMBLY  
The chain is correctly tensioned when it does not sag from the  
Fitting the bar and chain  
underside of the bar, but can still be turned easily by hand.  
Hold up the bar tip and tighten the bar nuts with the  
combination spanner.  
WARNING! Always wear gloves, when  
working with the chain, in order to protect  
your hands from injury.  
!
Check that the chain brake is in disengaged position by  
moving the front hand guard towards the front handle.  
When fitting a new chain, the chain tension has to be checked  
frequently until the chain is run-in. Check the chain tension  
regularly. A correctly tensioned chain ensures good cutting  
performance and long life.  
Note: If clutch cover is difficult to remove, replace bar nuts,  
engage brake and rerelease (an audible click will be heard if  
released properly).  
Remove the bar nuts and remove the clutch cover (chain  
brake). Take off the transportation ring (A).  
Fit the bar over the bar bolts. Place the bar in its rearmost  
position. Place the chain over the drive sprocket locate it in  
the groove on the bar. Begin on the top edge of the bar.  
Make sure that the edges of the cutting links are facing  
forward on the top edge of the bar.  
Fit the clutch cover and locate the chain adjuster pin in the  
hole in the bar. Check that the drive links of the chain fit  
correctly over the drive 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.  
English – 15  
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FUEL HANDLING  
Mixing ratio  
Fuel  
1:50 (2%) for all engines.  
Note! The machine is equipped with a two-stroke engine and  
must always be run using a mixture of gasoline and two-  
stroke oil. It is important to accurately measure the amount of  
oil to be mixed to ensure that the correct mixture is obtained.  
When mixing small amounts of fuel, even small inaccuracies  
can drastically affect the ratio of the mixture.  
Two-stroke oil, litre  
2% (1:50)  
0,10  
Gasoline, litre  
5
10  
0,43/0,20  
0,30  
15  
WARNING! Always ensure there is adequate  
ventilation when handling fuel.  
20  
0,40  
!
US gallon  
US fl. oz.  
2 1/2  
1
2 1/2  
5
6 1/2  
Gasoline  
12 7/8  
Mixing  
Use good quality unleaded gasoline.  
CAUTION! Engines equipped with catalytic  
converters must be run on unleaded fuel mixtures.  
Leaded gasoline will destroy the catalytic converter and it  
will no longer serve its purpose. The green fuel cap on  
saws fitted with catalytic converters means that only  
unleaded gasoline can be used.  
The lowest recommended octane grade is 87  
((RON+MON)/2). If you run the engine on a lower octane  
grade than 87 so-called knocking can occur. This gives  
rise to a high engine temperature and increased bearing  
load, which can result in serious engine damage.  
When working with continuous high revs (e.g. limbing) a  
higher octane is recommended.  
Always mix the gasoline and oil in a clean container  
intended for fuel.  
Environment fuel  
Always start by filling half the amount of the gasoline to be  
used. Then add the entire amount of oil. Mix (shake) the  
fuel mixture. Add the remaining amount of gasoline.  
JONSERED recommends the use of alkylate fuel or  
environment fuel for four-stroke engines blended with two-  
stroke oil as set out below. Note that carburetor adjustment  
may be necessary when changing the type of fuel (see  
instructions under the heading Carburetor).  
Mix (shake) the fuel mixture thoroughly before filling the  
machine’s fuel tank.  
Do not mix more than one month’s supply of fuel at a time.  
Running-in  
If the machine is not used for some time the fuel tank  
should be emptied and cleaned.  
Avoid running at a too high speed for extended periods during  
the first 10 hours.  
Chain oil  
Two-stroke oil  
We recommend the use of special oil (chain oil) with good  
adhesion characteristics.  
For best results and performance use JONSERED 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.  
Never use waste oil. This results in damage to the oil  
pump, the bar and the chain.  
It is important to use oil of the right grade (suitable  
viscosity range) to suit the air temperature.  
16 – English  
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FUEL HANDLING  
In temperatures below 32°F (0°C) some oils become too  
viscous. This can overload the oil pump and result in  
damage to the oil pump components.  
Fuel safety  
Never refuel the machine while the engine is running.  
Contact your service agent when choosing chain oil.  
Make sure there is plenty of ventilation when refuelling or  
mixing fuel (gasoline and 2-stroke oil).  
Fueling  
Move the machine at least 10 ft (3 m) from the refuelling  
point before starting it.  
WARNING!Taking the following precautions,  
will lessen the risk of fire:  
!
Do not smoke and do not place any hot  
objects in the vicinity of fuel.  
Always stop the engine and let it cool for a  
few minutes before refuelling.  
Never start the machine:  
When refuelling, open the fuel cap slowly so  
that any excess pressure is released gently.  
1
If you have spilled fuel or chain oil on the machine. Wipe  
off the spillage and allow remaining fuel to evaporate.  
Tighten the fuel cap carefully after refuelling.  
2
3
If you have spilled fuel on yourself or your clothes, change  
your clothes.Wash any part of your body that has come in  
contact with fuel. Use soap and water.  
Always move the machine away from the  
refuelling area before starting.  
If the machine is leaking fuel. Check regularly for leaks  
from the fuel cap and fuel lines.  
Clean the area around the fuel cap. Clean the fuel and chain  
oil tanks regularly. The fuel filter must be replaced at least  
once a year. Contamination in the tanks causes malfunction.  
Make sure the fuel is well mixed by shaking the container  
before refuelling.The capacities of the chain oil tank and fuel  
tank are carefully matched.You should therefore always fill  
the chain oil tank and fuel tank at the same time.  
WARNING! Never use a machine with visible  
damage to the spark plug guard and ignition  
cable. A risk of sparking arises, which can  
cause a fire.  
!
Transport and storage  
Always store the chain saw and fuel so that there is no risk  
of leakages or fumes coming into contact with sparks or  
naked flames from electrical 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.  
WARNING! Fuel and fuel vapor are highly  
flammable.Take care when handling fuel and  
chain oil. Be aware of the risks of fire,  
explosion and those associated with  
inhalation.  
!
Ensure the machine is cleaned and that a complete  
service is carried out before long-term storage.  
The bar guard must always be fitted to the cutting  
attachment when the machine is being transported or in  
storage, in order to prevent accident contact with the  
sharp chain. Even a non-moving chain can cause serious  
cuts to yourself or persons you bump into with an exposed  
chain.  
Long-term storage  
Empty the fuel/oil tanks in a well ventilated area.Store the fuel  
in approved cans in a safe place. Fit the bar guard. Clean the  
machine. See instructions under the heading Maintenance  
schedule.  
English – 17  
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STARTING AND STOPPING  
Use the same starting procedure as for a cold engine, with the  
following exceptions:  
Starting and stopping  
Slide the control to its rear position.  
WARNING! Note the following before  
starting:  
Slide the control back to its middle position (working  
position).  
!
The chain brake must be engaged when the  
chain saw is started to reduce the chance of  
contact with the moving chain during  
starting.  
Starting  
Never start a chain saw unless the bar, chain  
and all covers are fitted correctly. Otherwise  
the clutch can come loose and cause  
personal injuries.  
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  
Place the machine on firm ground. Make  
sure you have a secure footing and that the  
chain cannot touch anything.  
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.  
Keep people and animals well away from the  
working area.  
Cold engine  
Starting: The chain brake should be activated when starting  
the chain saw. Activate the chain brake by pushing the front  
hand guard forwards.  
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.  
Ignition; choke: Slide the control to its rear position.  
IMPORTANT! As the chain brake is still activated the engine  
must return to idling speed as soon as possible by  
disengaging the throttle latch in order to avoid unnecessery  
wear on the clutch assembly.  
Primer bulb: Press the air purge repeatedly until fuel begins  
to fill the bulb. The bulb need not be completely filled.  
Warm engine  
Note! Pull the front hand guard towards the front handle.The  
chain brake is now disengaged.Your saw is ready for use.  
WARNING! Long term inhalation of the  
engine’s exhaust fumes, chain oil mist and  
dust from sawdust can represent a health  
risk.  
!
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STARTING AND STOPPING  
Never start a chain saw unless the bar, chain and all  
Stopping  
covers are fitted correctly. See instructions under the  
heading Assembly. Without a bar and chain attached to  
the chain saw the clutch can come loose and cause  
serious injury.  
The chain brake should be activated when starting. Se  
instructions under the heading Start and stop.Do not drop  
start. This method is very dangerous because you may  
lose control of the saw.  
The engine is stopped by pushing the stop switch to the stop  
position.  
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 or left handed,  
should use this grip. Use a firm grip with thumbs and  
fingers encircling the chain saw handles.  
English – 19  
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WORKING TECHNIQUES  
Basic safety rules  
Before use:  
1
Look around you:  
1
3
To ensure that people, animals or other things cannot  
affect your control of the machine.  
2
4
6
To make sure that none of the above might come within  
reach of your saw or be injured by falling trees.  
8
1
2
3
Check that the chain brake works correctly and is not  
damaged.  
Check that the throttle lockout works correctly and is not  
damaged.  
Check that the stop switch works correctly and is not  
damaged.  
4
5
Check that all handles are free from oil.  
CAUTION! Follow the instructions above, but do not use a  
chain saw in a situation where you cannot call for help in case  
of an accident.  
Check that the anti vibration system works and is not  
damaged.  
2
All tree maintenance work above ground level must be  
carried out by two or more persons with the right training  
(see instructions under the heading Important). At least  
one person should be on the ground to carry out safe  
rescue procedures and/or get help should an emergency  
arise.  
6
7
Check that the muffler is securely attached and not  
damaged.  
Check that all parts of the chain saw are tightened  
correctly and that they are not damaged or missing.  
8
9
Check that the chain catcher is in place and not damaged.  
Check the chain tension.  
3
During tree 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.  
General working instructions  
IMPORTANT!  
4
5
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, such as  
icy ground, unpredictable felling direction, etc.  
This section describes basic safety rules for using a chain  
saw. This information is never a substitute for professional  
skills and experience. If you get into a situation where you  
feel unsafe, stop and seek expert advice. Contact your  
chain saw dealer, service agent or an experienced chain  
saw user. Do not attempt any task that you are not sure you  
can handle!  
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.  
Before using a chain saw you must understand the effects  
of kickback and how to avoid them. See instructions under  
the heading How to avoid kickback.  
Before using a chain saw you must understand the  
difference between cutting with the top and bottom edges of  
the bar. See instructions under the headings How to avoid  
kickback and Machine’s safety equipment.  
6
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.  
Tree maintenance work with a chain saw above ground level,  
which may involve using a single-handed grip, should only be  
carried out by persons with experience and training in:  
tree maintenance  
climbing techniques  
safety precautions when climbing  
additional safety equipment, such as harnesses, eyes,  
straps, ropes, safety hooks and other fall-prevention  
measures for personnel and chain saws.  
During tree maintenance work above ground level the chain  
saw must be secured. Secure the chain saw by attaching a  
safety line to the fixing eye on the chain saw.  
7
Take great care when cutting a tree that is under tension.  
A tree that is under tension may spring back to its normal  
position before or after being cut. If you position yourself  
Wear personal protective equipment. See instructions under  
the heading Personal protective equipment.  
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WORKING TECHNIQUES  
incorrectly or make the cut in the wrong place the tree may  
hit you or the machine and cause you to lose control. Both  
situations can cause serious personal injury.  
Have control over the workpiece. If the pieces you intend  
to cut are small and light, they can jam in the saw chain  
and be thrown towards you. Even if this does not need to  
be a danger, you may be surprised and lose control of the  
saw. Never saw stacked logs or branches without first  
separating them. Only saw one log or one piece at a time.  
Remove the cut pieces to keep your working area safe.  
8
Before moving your chain saw switch off the engine and  
lock the chain using the chain brake. Carry the chain saw  
with the bar and chain pointing backwards. Fit a guard to  
the bar before transporting the chain saw or carrying it for  
any distance.  
5
Never use the chain saw above shoulder height and  
avoid cutting with the tip of the bar. Never use the  
chain saw one-handed!  
9
When you put the chain saw on the ground, lock the saw  
chain using the chain brake and ensure you have a  
constant view of the machine.Switch the engine off before  
leaving your chain saw for any length of time.  
6
7
Always use a fast cutting speed, i.e. full throttle.  
If you have to cut branches or the like that are above  
shoulder height, a working platform or scaffold tower is  
recommended.  
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 hold 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.  
8
Take great care when you cut with the top edge of the bar,  
i.e. when cutting from the underside of the object. This is  
known as cutting with a pushing chain. The chain tries to  
push the chain saw back towards the user. If the saw  
chain is jamming, the saw may be pushed back at you.  
3
4
A single-handed grip may be used, but only by persons  
who are trained and have knowledge of tree maintenance  
work using a chain saw, both above and on the ground.  
Do not let go of the handles!  
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.  
9
Unless the user resists this pushing force there is a risk  
that the chain saw will move so far backwards that only the  
kickback zone of the bar is in contact with the tree, which  
can lead to a kickback.  
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WORKING TECHNIQUES  
Cutting with the bottom edge of the bar, i.e. from the top  
4
Is there a risk of kickback?  
of the object downwards, is known as cutting with a pulling  
chain. In this case the chain saw pulls itself towards the  
tree and the front edge of the chain saw body rests  
naturally on the trunk when cutting. Cutting with a pulling  
chain gives the operator better control over the chain saw  
and the position of the kickback zone.  
5
Do the conditions and surrounding terrain affect how  
safely you can stand and move about?  
Two factors decide whether the chain will jam or the object  
that you are cutting will split: the first is how the object is  
supported before and after cutting, and the second is whether  
it is in tension.  
In most cases you can avoid these problems by cutting in two  
stages;from the top and from the bottom.You need to support  
the object so that it will not trap the chain or split during  
cutting.  
10 Follow the instructions on sharpening and maintaining  
your bar and chain. When you replace the bar and chain  
use only combinations that are recommended by us. See  
instructions under the headings Cutting equipment and  
Technical data.  
WARNING! If the chain jams in the cut: stop  
the engine! Don’t try to pull the chain saw  
free. If you do you may be injured by the  
chain when the chain saw suddenly breaks  
free. Use a lever to open up the cut and free  
the chain saw.  
!
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).  
The following instructions describe how to handle the  
common situations you are likely to encounter when using a  
chain saw.  
Cutting from above = Cutting with a pulling chain.  
Cutting from below = Cutting with pushing chain.  
Cutting  
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.  
Cutting with a pushing chain 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.  
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 happen.  
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
2
Make sure the cutting equipment will not jam in the cut.  
Make sure the object you are cutting will not split.  
- If it is possible (can you turn the log?) stop cutting about 2/  
3 of the way through the log.  
3
Make sure the chain will not strike the ground or any other  
object during or after cutting.  
- Turn the log and finish the cut from the opposite side.  
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WORKING TECHNIQUES  
The log is supported at one end. There is a high risk that it  
will split.  
Safe distance  
During tree maintenance work above ground level, the  
working area must always be secured and marked out with  
signs, tape or the like. The safe distance between the top of  
the tree that is to be felled and the nearest workplace must be  
at least 2 1/2 times the height of the tree. Make sure that no-  
one else is in this risk zone before or during felling.  
Start by cutting from below (about 1/3 of the way through).  
- Finish by cutting from above so that the two cuts meet.  
Felling direction  
The aim is to fell the tree in a position where you can limb and  
cross-cut the log as easily as possible.You want it to fall in a  
location where you can stand and move about safely. The  
main thing to avoid is that the falling tree top should get  
jammed in another tree. Taking down a ”jammed” tree top is  
very dangerous (see point 4 in this section).  
The log is supported at both ends. There is a high risk that  
the chain will jam.  
Once you have decided which way you want the top of the  
tree to fall you must assess which way the top of the tree  
would fall naturally.  
- Start by cutting from above (about 1/3 of the way through).  
Several factors affect this:  
Lean of the tree  
Bend  
Wind direction  
Arrangement of branches  
Weight of snow  
- Finish by cutting from below so that the two cuts meet.  
Limbing  
When limbing thick branches you should use the same  
approach as for cutting.  
Cut difficult branches piece by piece.  
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 might break off and  
hit you during felling.  
Felling technique for tree tops  
WARNING! It takes a lot of experience to fell  
WARNING! During critical felling operations,  
a tree. Inexperienced users of chain saws  
should not fell trees. Do not attempt any task  
beyond your experience level!  
hearing protectors should be lifted  
immediately when sawing is completed so  
that sounds and warning signals can be  
heard.  
!
!
English – 23  
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WORKING TECHNIQUES  
Use full throttle and bring the bar and chain slowly into the  
Felling  
tree.Make sure the tree does not start to move in the opposite  
direction to your intended felling direction. Drive a wedge or  
breaking bar into the cut as soon as it is deep enough.  
Felling is done using three cuts.First you make the directional  
cuts, which consist of the top cut and the bottom cut, then you  
finish with the felling cut. By placing these cuts correctly you  
can control the felling direction very accurately.  
Directional cuts  
To make the directional cuts you begin with the top cut. Stand  
to the right of the tree and cut on the pull stroke.  
Finish the felling cut parallel with the directional 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.  
Next make the bottom cut so that it finishes exactly at the end  
of the top cut.  
The felling hinge controls the direction that the tree falls in.  
The directional cuts should run 1/4 of the diameter through  
the trunk and the angle between the top cut and bottom cut  
should be 45°.  
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 directional cut are complete the tree  
should start to fall by itself or with the aid of a felling wedge or  
breaking bar.  
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.  
We recommend that you use a bar that is longer than the  
diameter of the tree, so that you can make the felling 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.  
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.  
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.  
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WORKING TECHNIQUES  
How to avoid kickback  
WARNING! Unless you have special training  
we advise you not to fell trees with a  
diameter larger than the bar length of your  
saw!  
!
Limbing  
!
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! Most kickback accidents happen  
during limbing! Pay close attention to the  
position of the kickback zone of the bar  
when you are limbing branches that are in  
tension!  
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.  
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.  
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.  
Keep the trunk between you and the chain saw as you move  
along the trunk.  
Freeing a tree that has fallen badly  
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).  
Limbing  
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.  
!
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.  
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.  
General advice:  
Position yourself so that you will be clear of the tree or branch  
when the tension is released.  
Make one or more cuts at or near the point of maximum  
tension. Make as many cuts of sufficient depth as necessary  
to reduce the tension and make the tree or branch break at  
the point of maximum tension.  
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.  
Never cut straight through a tree or branch that is in  
tension!  
English – 25  
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MAINTENANCE  
Basic settings 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.  
General  
The user must only carry out the maintenance and service  
work described in this manual.  
CAUTION! If the chain rotates while idling the T-screw  
must be turned anti-clockwise until the chain stops.  
IMPORTANT! Any maintenance other than that described  
in this manual must be carried out by your servicing dealer  
(retailer).  
Rec. idle speed: 2800 rpm  
Fine adjustment  
When the machine has been ”run-inthe 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.  
Carburetor adjustment  
Due to existing environmental and emissions legislation your  
chain saw is equipped with movement limiters on the  
carburetor adjuster screws. These limit the adjustment  
possibilities to a maximum of a 1/2 turn.  
Conditions  
Before any adjustments are made the air filter should be  
clean and the cylinder cover fitted. Adjusting the  
carburetor while a dirty air filter is in use will result in a  
leaner mixture next time the filter is cleaned.This can give  
rise to serious engine damage.  
H
L
1/2  
1/2  
Do not attempt to adjust the L and H jets beyond  
either stop as this could cause damage.  
Now start the machine according to the starting  
instructions and let it warm up for 10 minutes.  
Your Jonsered product has been designed and manufactured  
to specifications that reduce harmful exhaust fumes.  
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.  
Function  
Low speed jet L  
Turn the low speed jet L clockwise until it stops. If the engine  
accelerates poorly or idles unevenly, turn the low speed jet L  
anticlockwise until good acceleration and idling are achieved.  
The carburetor governs the engine’s speed via the throttle  
control. Air and fuel are mixed in the carburetor. The air/  
fuel mixture is adjustable. Correct adjustment is essential  
to get the best performance from the machine.  
The setting of the carburetor means that the engine is  
adapted to local conditions, for example, the climate,  
altitude, fuel and the type of 2-stroke oil.  
Fine adjustment of the idling speedT  
Adjust the idle speed with the T-screw. If it is necessary to re-  
adjust, turn theT-screw clockwise while the engine is running,  
until the chain starts 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.  
The carburetor has three adjustment controls:  
- L = Low speed jet  
- H = High speed jet  
- T = Idle adjustment screw  
L
T
H
WARNING! Contact your servicing dealer, if  
the idle speed setting cannot be adjusted so  
that the chain stops at idle. Do not use the  
chain saw until it has been properly adjusted  
or repaired.  
!
High speed jet H  
At 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.  
The L and H-jets are used to adjust the supply of fuel to  
match the rate that air is admitted, which is controlled with  
the throttle. If they are screwed clockwise the air/fuel ratio  
becomes leaner (less fuel) and if they are turned anti-  
clockwise the ratio becomes richer (more fuel). A lean  
mixture gives a higher engine speed and a rich mixture  
gives a lower engine speed.  
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 applicable legal requirements at the  
same time as achieving maximum performance. The  
carburetor’s high speed jet is then locked using a limiter cap  
in the fully screwed out position. The limiter cap limits the  
potential to adjust the high speed jet to at most half a turn.  
The T-screw regulates the throttle setting at idle speed. If  
the T-screw is turned clockwise this gives a higher idle  
speed; turning it anti-clockwise gives a lower idle speed.  
26 – English  
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MAINTENANCE  
Checking the brake trigger  
Correctly adjusted carburetor  
Place the chain saw on firm ground and start it.Make sure the  
chain does not touch the ground or any other object. See the  
instructions under the heading Start and stop.  
When the carburetor is correctly adjusted the machine  
accelerates without hesitation and the machine 4-cycles a  
little at max. speed. It is also important that the chain does not  
rotate at idle. If the L-jet is set too lean it may cause starting  
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  
Grasp the chain saw firmly, wrapping your fingers and thumbs  
around the handles.  
Note! All servicing and repair work on the machine requires  
special training. This is especially true of the machines  
safety equipment. If your machine fails any of the checks  
described below we recommend you to contact our  
servicing dealer.  
Chain brake and front hand guard  
Apply full throttle and activate the 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.  
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.  
Throttle lockout  
Make sure the throttle control is locked at the idle setting  
when the throttle lockout is released.  
Regularly check that the brake band is at least 0.024 inch (0.6  
mm) thick at its thinnest point.  
Checking the front hand guard  
Press the throttle lockout and make sure it returns to its  
original position when you release it.  
Make sure the front hand guard is not damaged and that there  
are no visible defects such as cracks.  
Check that the throttle control and throttle lockout move  
freely and that the return springs work properly.  
Move the front hand guard forwards and back to make sure it  
moves freely and that it is securely anchored to the clutch  
cover.  
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 idle adjustment.  
English – 27  
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MAINTENANCE  
Regularly check that the muffler is securely attached to the  
machine.  
Chain catcher  
Check that the chain catcher is not damaged and is firmly  
attached to the body of the chain saw.  
Some mufflers are equipped with a special spark arrestor  
screen. If your machine has this type of muffler, you should  
clean the screen at least once a week. This is best done with  
a wire brush. A blocked screen 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.  
Vibration damping system  
Regularly check the vibration damping units for cracks or  
deformation.  
Make sure the vibration damping units are securely attached  
to the engine unit and handle unit.  
The muffler is designed to reduce the noise level and to direct  
the exhaust gases away 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 enclosed or badly ventilated  
area. Good air circulation should always prevail when working  
in snowy hollows, ravines or in confined conditions.  
Stop switch  
Start the engine and make sure the engine stops when you  
move the stop switch to the stop setting.  
Starter  
WARNING! When the recoil spring is wound  
up in the starter housing it is under tension  
and can, if handled carelessly, pop out and  
cause personal injury.  
!
Care must be exercised when replacing the  
return spring or the starter cord. Wear  
protective glasses and protective gloves.  
Changing a broken or worn starter cord  
Muffler  
Loosen the screws that hold the starter against the  
crankcase and remove the starter.  
Never use a machine that has a faulty muffler.  
28 – English  
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MAINTENANCE  
Pull out the cord approx. 30 cm (12 inches) and hook it  
Lubricate the recoil spring with light oil. Fit the cassette  
into the notch in the rim of the pulley. Release the recoil  
spring by letting the pulley rotate slowly backwards.  
with recoil spring in the starter. Fit the starter pulley and  
tension the recoil spring.  
Undo the screw in the centre of the pulley and remove the  
pulley. Insert and fasten a new starter cord to the pulley.  
Wind approx. 3 turns of the starter cord onto the pulley.  
Connect the pulley to the recoil spring so that the end of  
the spring engages in the pulley. Fit the screw in the  
center of the pulley. Insert the starter cord through the  
hole in the starter housing and the starter handle. Make a  
secure knot in the end of the starter cord.  
Fitting the starter  
To t 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  
Tensioning the recoil spring  
Hook the starter cord in the notch in the pulley and turn  
the starter pulley about 2 turns clockwise.  
The air filter must be regularly cleaned to remove dust and dirt  
in order to avoid:  
Note! Check that the pulley can be turned an additional 1/  
2 turn when the starter cord is pulled all the way out.  
Carburettor malfunctions  
Starting problems  
Loss of engine power  
Unnecessary wear to engine parts  
Excessive fuel consumption.  
Remove the air filter after taking off the air filter cover.  
When refitting make sure that the air filter seals tightly  
against the filter holder. Clean the filter by brushing or  
shaking it.  
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.  
The filter can be cleaned more thoroughly by washing it in  
water and detergent.  
English – 29  
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MAINTENANCE  
An air filter that has been in use for a long time cannot be  
Adjustment of the oil pump  
cleaned completely.The filter must therefore be replaced with  
a new one at regular intervals. A damaged air filter must  
always be replaced.  
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.  
A JONSERED chain saw can be equipped with different types  
of air filter according to working conditions, weather, season,  
etc. Contact your dealer for advice.  
+
-
Spark plug  
The spark plug condition is influenced by:  
Incorrect carburetor adjustment.  
Recommended settings:  
Bar 13"-15": Position 1  
Bar 15"-18": Position 2  
Bar 18"-20": Position 3  
An incorrect fuel mixture (too 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.  
WARNING! The engine must be stopped  
when making adjustments.  
!
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 mm).The spark plug  
should be replaced after about a month in operation or earlier  
if necessary.  
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
2
3
4
5
Air intake on the starter.  
Air guide plate.  
Fins on the flywheel.  
Cooling fins on the cylinder.  
Cylinder cover (directs cold air over the cylinder).  
Note! Always use the recommended spark plug type! Use of  
the wrong spark plug can damage the piston/cylinder. Check  
that the spark plug is fitted with a suppressor.  
Lubricating the bar tip sprocket  
Lubricate the bar tip sprocket each time you refuel. Use the  
special grease gun and a good quality bearing grease.  
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.  
30 – English  
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MAINTENANCE  
Maintenance schedule  
The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the  
Maintenance section.  
Daily maintenance  
Weekly maintenance  
Monthly maintenance  
Check the brake band on the chain brake  
for wear. Replace when less than 0.024  
inch (0.6 mm) remains at the most worn  
point.  
On chain saws without a catalytic  
converter, check the cooling system  
weekly.  
Clean the outside of the machine.  
Check that the components of the throttle  
control work safely. (Throttle lockout and  
throttle control.)  
Check the starter, starter cord and return Check the clutch centre, clutch drum and  
spring.  
clutch spring for wear.  
Clean the chain brake and check that it  
operates safely. Make sure that the chain Check that the vibration damping  
Clean the spark plug. Check that the  
electrode gap is 0.020 inch (0.5 mm).  
catcher is undamaged, and replace it if  
necessary.  
elements are not damaged.  
The bar should be turned daily 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 Clean or replace the spark arrestor  
Check fuel hose for cracks or other  
damage. Change if necessary.  
sufficient oil.  
screen on the muffler.  
Check the saw chain with regard to visible  
cracks in the rivets and links, whether the  
saw chain is stiff or whether the rivets and Clean the carburetor compartment.  
Empty the fuel tank and clean the inside.  
links are abnormally worn. Replace if  
necessary.  
Sharpen the chain and check its tension  
and condition. Check the drive sprocket  
for excessive wear and replace if  
necessary.  
Clean the air filter. Replace if necessary. Empty the oil tank and clean the inside.  
Check all cables and connections.  
Clean the starter units air intake.  
Check that nuts and screws are tight.  
Check that the stop switch works  
correctly.  
Check that there are no fuel leaks from  
the engine, tank or fuel lines.  
On chain saws with a catalytic converter,  
check the cooling system daily.  
English – 31  
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TECHNICAL DATA  
Technical data  
CS 2135T  
Engine  
3
Cylinder displacement, cu.in/cm  
Cylinder bore, inch/mm  
Stroke, inch/mm  
2,38/39  
1,57/40  
1,22/31  
2800  
Idle speed, rpm  
Power, kW/ rpm  
1,7/9600  
Ignition system  
Manufacturer of ignition system  
Type of ignition system  
Spark plug  
SEM  
CD  
NGK BPMR 7A/ Champion RCJ 7Y  
Electrode gap, inch/mm  
Fuel and lubrication system  
Manufacturer of carburetor  
Carburetor type  
0,02/0,5  
Zama  
C1Q EL33A  
0,72/0,34  
3-7  
Fuel tank capacity, US pint/litre  
Oil pump capacity at 8,500 rpm, ml/min  
Oil tank capacity, US pint/litre  
Type of oil pump  
0,15  
Automatic  
Weight  
Chain saw without bar or chain, empty tanks, lb/kg  
Chain/bar  
7,7/3,5  
Standard bar length, inch/cm  
Recommended bar lengths, inch/cm  
Usable cutting length, inches/cm  
Pitch, inch/mm  
14"/34  
12-16”/30-40  
11-15"/28-38  
3/8 / 9,52  
0,050/1,3  
Spur/6  
Thickness of drive links, inch/mm  
Drive sprocket type/teeth  
Chain speed at max. power, m/sec  
18,3  
32 – English  
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TECHNICAL DATA  
Recommended original and replacement bar and chain combinations  
Following is a list of recommended cutting equipment for the Jonsered chain saw model CS 2135T. The combinations of power  
head, bar and chain have been tested and found to be in accordance with the kickback and vibration requirements of ANSI B  
175.1–2000.  
The guide bar nose radius is determined by either the maximum number of teeth in the nose sprocket or the corresponding  
maximum nose radius of a hard nose.  
The following list is the chain saw manufacturers recommendations. There may be other combinations available, which will also  
achieve kickback reduction.  
As we are listing the maximum guide bar nose radius, you may use a guide bar with smaller nose radius than in our list. For guide  
bars of the same length, all sprocket-nose guide bars of the 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.  
Bar and chain combinations  
Bar  
Chain  
Drive link count  
Length, inch  
Pitch, inch  
Gauge, inch  
0,050  
Max. nose radius  
Type  
12  
14  
16  
3/8  
3/8  
3/8  
9 T  
9 T  
9 T  
45  
52  
56  
0,050  
Jonsered H36  
0,050  
Note: For the saw chains above (if available) you are free to choose between 0,050" or 0,058" gauge drive links for the  
corresponding bar, see the table below.  
Saw chain filing and file gauges  
English – 33  
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FEDERAL EMISSION CONTROL WARRANTY STATEMENT  
WARRANTY PERIOD Any warranted part which is not  
scheduled for replacement as required maintenance, or  
which is scheduled only for regular inspection to the effect of  
YOUR WARRANTY RIGHTS AND  
OBLIGATIONS  
“repair or replace as necessary” shall be warranted for 2  
The EPA (The US Environmental Protection Agency),  
years.Any warranted part which is scheduled for replacement  
Environment Canada and Jonsered are pleased to explain  
as required maintenance shall be warranted for the period of  
the emissions control system warranty on your 2001 and later  
time up to the first scheduled replacement point for that part.  
small nonroad engine. In U.S. and Canada, new small  
DIAGNOSIS The owner shall not be charged for diagnostic  
labor which leads to the determination that a warranted part  
is defective, if the diagnostic work is performed at an  
approved Jonsered servicing dealer.  
nonroad engines must be designed, built and equipped to  
meet the federal stringent anti-smog standards. Jonsered  
must warrant the emission control system on your small  
nonroad engine for the period of time listed below provided  
there has been no abuse, neglect or improper maintenance of  
your unit.Your emmission control system includes Parts such  
as the carburetor and the ignition system. Where a  
CONSEQUENTIAL DAMAGES Jonsered may be liable for  
damages to other engine components caused by the failure  
of a warranted part still under warranty.  
warrantable condition exists, Jonsered will repair your small  
nonroad engine at no cost to you. Expenses covered under  
warranty include diagnosis, parts and labor.  
WHAT IS NOT COVERED  
All failures caused by abuse, neglect or improper  
maintenance are not covered.  
MANUFACTURERS WARRANTY  
COVERAGE  
ADD -ON OR MODIFIED PARTS  
The 2001 and later small nonroad engines are warranted for  
two years. If any emission related part on you engine (as  
listed above) is defective, the part will be repaired or replaced  
by Jonsered.  
The use of add-on or modified parts can be grounds for  
disallowing a warranty claim. Jonsered is not liable to cover  
failures of warranted parts caused by the use of add-on or  
modified parts.  
OWNERSWARRANTY RESPONSIBILITIES  
HOW TO FILE A CLAIM  
As the small nonroad engine owner, you are responsible for  
the performance of the required maintenance listed in your  
Operators Manual. Jonsered recommends that you retain all  
receipts covering maintenance on your small nonroad engine,  
but Jonsered cannot deny warranty solely for the lack of  
receipts or for your failure to ensure the performance of all  
scheduled maintenance. As the small nonroad engine owner,  
you should, however, be aware that Jonsered may deny you  
warranty coverage if your small nonroad engine or a part of it  
has failed due to abuse, neglect, improper maintenance,  
unapproved modifications or the use of parts not made or  
approved by the original equipment manufacturer.You are  
responsible for presenting your small nonroad engine to a  
Jonsered authorized servicing dealer as soon as a problem  
exists. The warranty repairs should be completed in a  
reasonable amount of time, not to exceed 30 days.If you have  
any questions regarding your warranty rights and  
If you have any questions regarding your warranty rights and  
responsibilities, you should contact your nearest authorized  
servicing dealer or call Jonsered, at Sweden +46-36-146500.  
WHERE TO GET WARRANTY SERVICE  
Warranty services or repairs shall be provided at all Jonsered  
authorized servicing dealers.  
MAINTENANCE, REPLACEMENT AND  
REPAIR OF EMISSION-RELATED PARTS  
Any Jonsered approved replacement part used in the  
performance of any warranty maintenance or repairs on  
emission-related parts, will be provided without charge to the  
owner if the part is under warranty.  
responsibilities, you should contact your nearest authorized  
servicing dealer or call Jonsered, at Sweden +46-36-146500.  
EMISSION CONTROL WARRANTY PARTS  
LIST  
WARRANTY COMMENCEMENT DATE  
The warranty period begins on the date small nonroad engine  
is delivered.  
1
2
3
4
Carburetor and internal parts  
Intake pipe, airfilter holder and carburetor bolts.  
Airfilter and fuelfilter covered up to maintenance schedule.  
Ignition System  
LENGTH OF COVERAGE  
1
2
Spark Plug, covered up to maintenance schedule  
Ignition Module  
Jonsered warrants 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.  
5
Muffler with catalytic converter  
MAINTENANCE STATEMENT  
The owner is responsible for the performance of all required  
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 Jonsered servicing  
dealer. If you have any questions regarding your warranty  
rights and responsibilities, you should contact your nearest  
authorized servicing dealer or call Jonsered, at Sweden +46-  
36-146500.  
maintenance, as defined in the operator’s manual.  
´®z+R@Q¶5x¨  
34 – English  
´®z+R@Q¶5x¨  
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AMERICAN STANDARD SAFETY PRECAUTIONS  
Other safety precautions  
Safety precautions for chain saw  
users  
WARNING! Do not operate a chain saw with  
(ANSI B 175.1-2000 Annex C)  
one hand! Serious injury to the operator,  
helpers, bystanders or any combination of  
these persons may result from one-handed  
operation. A chain saw is intended for two-  
handed use.  
!
Kickback safety precautions  
WARNING! Kickback may occur when the  
nose or tip of the guide bar touches an  
object, or when the wood closes in and  
pinches the saw chain in the cut.  
Do not operate a chain saw when you are fatigued.  
!
Use safety footwear; snug-fitting clothing, protective gloves,  
and eye, hearing and head protection devices.  
Tip contact in some cases may cause a  
lightning fast reverse reaction, kicking the  
guide bar up and back towards the operator.  
Use caution when handling fuel. Move the chain saw at least  
10 feet (3 m) from the fueling point before starting the engine.  
Do not allow other persons to be near the chain saw when  
starting or cutting with the chain saw. Keep bystanders and  
animals out of the work area.  
Pinching the saw chain along the top of the  
guide bar may push the guide bar rapidly  
back towards the operator.  
Do not start cutting until you have a clear work area, secure  
footing and a planned retreat path from the falling tree.  
Either of these reactions may cause you to  
lose control of the saw which could result in  
serious personal injury.  
Keep all parts of your body away from the saw chain when the  
engine is running.  
Do not rely exclusively upon the safety  
devices built into your saw. As a chain saw  
user, you should take several steps to keep  
your cutting jobs free from accident or  
injury.  
Before you start the engine, make sure that the saw chain is  
not contacting anything.  
Carry the chain saw with the engine stopped, the guide bar  
and saw chain to the rear, and the muffler away from your  
body.  
With a basic understanding of kickback, you can reduce or  
eliminate the element of surprise. Sudden surprise  
contributes to accidents.  
Do not operate a chain saw that is damaged, improperly  
adjusted, or not completely and securely assembled. Be sure  
that the saw chain stops moving when the throttle control  
trigger is released.  
Keep a good firm grip on the saw with both hands, the right  
hand on the rear handle, and the left hand on the front handle,  
when the engine is running. Use a firm grip with thumbs and  
fingers encircling the chain saw handles. A firm grip will help  
you reduce kickback and maintain control of the saw. Don’t let  
go.  
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.  
Make sure that the area in which you are cutting is free from  
obstacles. Do not let the nose of the guide bar contact a log,  
branch, or any other obstacle which could be hit while you are  
operating the saw.  
When cutting a limb that is under tension be alert for  
springback so that you will not be struck when the tension in  
the wood fibers is released.  
Keep handles dry, clean and free of oil or fuel mixture.  
Operate the chain saw only in well-ventilated areas.  
Cut at high engine speeds.  
Do not overreach or cut above shoulder height.  
Do not operate a chain saw in a tree unless you have been  
specifically trained to do so.  
Follow manufacturer’s sharpening and maintenance  
instructions for the saw chain.  
Do not operate a chain saw above shoulder height.  
Only use replacement bars and chains specified by the  
manufacturer or the equivalent.  
All chain saw service, other than the items listed in the  
operator’s/owner’s safety and maintenance instructions,  
should be performed by competent chain saw service  
personnel.(For example, if improper tools are used to remove  
the flywheel or if an improper tool is used to hold the flywheel  
in order to remove the clutch, structural damage to the  
flywheel could occur and subsequently cause the flywheel to  
burst.)  
When transporting your chain saw, use the appropriate guide  
bar guard.  
Note: This Annex is intended primarily for the consumer or  
occasional user.  
English – 35  
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1150324-95  
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´®z+R@Q¶5x¨  
2006-11-19  
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