Jonsered CS 2159 Manuel utilisateur

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Manuel utilisateur

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Oper
ator
s manual
Please read the oper
ator’s manual carefully and
make sure you understand the instructions
before using the machine.
EP
A II
EP
A II
EP
A II
2
Canadian
KEY
T
O SYMBOLS
Symbols on the mac
hine:
W
ARNING! Chain saws can be dangerous!
Careless or improper use can result in
serious or fatal injury to the operator or
others.
Please read the operator’s manual carefully
and make sure you understand the
instructions before using the machine.
Always wear:
Approved protective helmet
Approved hearing protection
Protective goggles or a visor
Both of the operator
s hands must be used to
operate the chain saw.
Never operate a chain saw holding it with one
hand only.
Never let the guide bar tip come in contact with
any object.
WARNING! Kickback may occur when the
nose or tip of the guide bar touches an object,
and cause a lightning fast reverse reaction,
kicking the guide bar up and towards the
operator. May cause serious personal injury.
Recommended cutting
equipment in this example:
- Bar length 16 inches
- Max. nose radius 10 Teeth
- Chain type Oregon 21LP
Other approved bar and chain combinations
in Operator’s Manual.
Measured maximum kickback value with
brake for the bar and chain combination on the
label.
Measured maximum kickback value without
triggering the brake, for the bar and chain
combination on the label.
Other symbols/decals on the mac
hine refer to special
certification requirements for certain markets.
Symbols in the operator’
s manual:
Switch off the engine b
y moving the stop
switch to the STOP position before carrying
out any checks or maintenance.
Always wear approved protective gloves.
Regular cleaning is required.
Visual check.
Protective goggles or a visor must be worn.
Refuelling.
Filing with oil and adjusting oil flow.
The chain brake should be activated when
starting.
Y
ou will find the following labels on your chain saw:
EPA II
Maintenance
, replacement, or repair of the emission control
devices and system may be performed by any nonroad
engine repair establishment or individual.
The Emissions Compliance Period referred to on the
Emission Compliance label indicates the number of operating
hours for which the engine has been shown to meet Federal
emissions requirements. Category C = 50 hours, B = 125
hours, and A = 300 hours.
Maintenance, replacement, or repair of the emission control
devices and system may be performed by any nonroad
engine repair establishment or individual.
Canadian
3
CONTENTS
Contents
KEY
TO SYMBOLS
Symbols on the machine:
.............................................. 2
Symbols in the operator’s manual: ................................ 2
CONTENTS
Contents
....................................................................... 3
INTR
ODUCTION
Dear customer!
............................................................. 4
WHA
T IS WHAT?
What is what on the chain sa
w? ................................... 5
GENERAL SAFETY PRECA
UTIONS
Bef
ore using a new chain saw ...................................... 6
Important ....................................................................... 6
Always use common sense .......................................... 6
Personal protective equipment ...................................... 7
Machine
s safety equipment ......................................... 7
Cutting equipment ......................................................... 10
ASSEMBL
Y
Fitting the bar and chain
............................................... 16
FUEL HANDLING
Fuel
............................................................................... 17
Chain oil ........................................................................ 17
Fueling .......................................................................... 18
Fuel safety .................................................................... 18
Transport and storage ................................................... 18
Long-term storage ........................................................ 18
ST
ARTING AND STOPPING
Star
ting and stopping .................................................... 19
W
ORKING TECHNIQUES
Bef
ore use: .................................................................... 21
General working instructions ........................................ 21
How to avoid kickback ................................................... 28
MAINTENANCE
Gener
al ......................................................................... 29
Carburetor adjustment .................................................. 29
Checking, maintaining and servicing chain saw safety
equipment ..................................................................... 30
Muffler ........................................................................... 32
Starter ........................................................................... 32
Air filter .......................................................................... 33
Spark plug ..................................................................... 34
Lubricating the bar tip sprocket ..................................... 34
Needle bearing lubrication ............................................ 34
Adjustment of the oil pump ........................................... 34
Cooling system ............................................................. 35
”Air Injection” centrifugal cleaning ................................. 35
Winter use ..................................................................... 35
Maintenance schedule .................................................. 36
TECHNICAL D
ATA
T
echnical data ............................................................... 37
Saw chain filing and file gauges .................................... 38
FEDERAL EMISSION CONTR
OL WARRANTY
STATEMENT
Y
OUR WARRANTY RIGHTS AND OBLIGATIONS ...... 39
AMERICAN ST
ANDARD SAFETY PRECAUTIONS
Saf
ety precautions for chain saw users ........................ 40
4
Canadian
INTR
ODUCTION
Dear customer!
Cong
ratulations 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 operator
s
manual as a valuable document. By following its
content (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 operator
s
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.
Canadian
5
WHA
T IS
WHA
T?
What is what on the c
hain saw?
1
Cylinder cover
2 Front handle
3 Front hand guard
4 Starter
5 Chain oil tank
6 Starter handle
7 Adjuster screws, carburetor
8 Choke control/Start throttle lock
9 Rear handle
10 Stop switch (Ignition on/off switch.)
11 Fuel tank
12 Muffler
13 Bar tip sprocket
14 Chain
15 Bar
16 Bumper spike
17 Chain catcher
18 Clutch cover
19 Rear handle with right hand guard
20 Throttle control
21 Throttle lock
22 Decompression valve (CS 2145, CS 2150)
23 Combination spanner
24 Chain tensioning screw
25 Operator
s manual
26 Bar guard
27 Oil pump adjustment screw
28 Information and warning decal
29 Product and serial number plate
6
Canadian
GENERAL SAFETY PRECA
UTIONS
Bef
ore using a new chain saw
Please read this manual carefully.
Check that the cutting equipment is correctly fitted and
adjusted. See instructions under the heading Assembly.
Refuel and start the chain saw. See the instructions under
the headings Fuel Handling and Starting and Stopping.
Do not use the chain saw until sufficient chain oil has
reached the chain. See instructions under the heading
Lubricating cutting equipment.
Long-term exposure to noise can result in permanent
hearing impairment. So always use approved hearing
protection.
Impor
tant
Always use common sense
It is not possib
le 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
!
W
ARNING! Under no circumstances may the
design of the machine be modified without
the permission of the manufacturer. Always
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
replacement parts.
!
W
ARNING! 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.
!
W
ARNING! The inside of the muffler contain
chemicals that may be carcinogenic. Avoid
contact with these elements in the event of a
damaged muffler.
!
W
ARNING! Long term inhalation of the
engine’s exhaust fumes, chain oil mist and
dust from sawdust can represent a health
risk.
!
W
ARNING! When using a chain saw, a fire
extinguisher should be available.
!
W
ARNING! Keep handles dry, clean and free
of oil.
!
W
ARNING! Beware of carbon monoxide
poisoning. Operate the chainsaw in well
ventilated areas only.
!
W
ARNING! Do not attempt a pruning or
limbing operation in a standing tree unless
specifically trained to do so.
IMPOR
TANT!
The machine is only designed for cutting wood.
You should only use the saw with the bar and chain
combinations we recommend in the chapter Technical data.
Never use the machine if you are fatigued, while under the
influence of alcohol or drugs, medication or anything that
could affect your vision, alertness, coordination or
judgement.
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.
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.
Never use any accessories other than those recommended
in this manual. See instructions under the headings Cutting
equipment and Technical data.
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.
!
W
ARNING! Running an engine in a confined
or badly ventilated area can result in death
due to asphyxiation or carbon monoxide
poisoning.
!
W
ARNING! 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.
Canadian
7
GENERAL SAFETY PRECA
UTIONS
chain sa
w usage if possible. Your dealer, forestry school or
your library can provide information about which training
materials and courses are available.
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.
P
ersonal protective equipment
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
Generally clothes should be close-fitting without restricting
your freedom of movement.
Mac
hine
′′
s 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.
Chain brake and fr
ont hand guard
Y
our 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.
!
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.
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.
!
WARNING! Never use a machine with
defective safety components. Safety
equipment must be inspected and
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.
8 – Canadian
GENERAL SAFETY PRECAUTIONS
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.
This movement activates a spring-loaded mechanism that
tightens the brake band (C) around the engine drive
system (D) (clutch drum).
The front hand guard is not designed solely to activate the
chain brake. Another important feature is that it reduces
the risk of the chain hitting your left hand if you lose grip of
the front handle.
The chain brake must be engaged when the chain saw is
started to prevent the saw chain from rotating.
Use the chain brake as a ”parking brake” when starting
and when moving over short distances, to reduce the risk
of moving chain accidentally hitting your leg or anyone or
anything close by.
To release the chain brake pull the front hand guard
backwards, towards the front handle.
Kickback can be very sudden and violent. Most kickbacks
are minor and do not always activate the chain brake. If
this happens you should hold the chain saw firmly and not
let go.
The way the chain brake is activated, either manually or
automatically by the inertia release mechanism, depends
on the force of the kickback and the position of the chain
saw in relation to 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.
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.
Canadian – 9
GENERAL SAFETY PRECAUTIONS
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.
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.
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.
Will my inetria activated chain brake
always activate during kickback in the
event of a kickback?
No. First your brake must be in working order. Testing the
brake is simple, see instructions under the heading Checking,
maintaining and servicing chain saw safety equipment. We
recommend you do before you begin each work session.
Second the kickback must be strong enough to activate the
chain brake. If the chain brake is too sensitive it would activate
all the time which would be a nuisance.
Will my chain brake always protect me
from injury in the event of a kickback?
No. First, the chain brake must be in working order to provide
the intended protection. Second, it must be activated during
the kickback as described above to stop the saw chain. Third,
the chain brake may be activated but if the bar is to 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 lock
The throttle lock 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 lock
both move back to their original positions. This arrangement
means that the throttle control is automatically locked at the
idle setting.
Chain catcher
The chain catcher is designed to catch the chain if it snaps or
jumps off. Replace it if necessary with an aluminium chain
catcher (is available as spare part). 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).
Right hand guard
Apart from protecting your hand if the chain jumps or snaps,
the right hand guard stops branches and twigs from
interfering with your grip on the rear handle.
Vibration damping system
Your machine is equipped with a vibration damping system
that is designed to reduce vibration and make operation
easier.
The machines vibration damping system reduces the transfer
of vibration between the engine unit/cutting equipment and
the machines handle unit.
10 – Canadian
GENERAL SAFETY PRECAUTIONS
The body of the chain saw, including the cutting equipment, is
insulated from the handles by vibration damping units.
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.
Stop switch
Use the stop switch to switch off the engine.
Muffler
The muffler is designed to keep noise levels to a minimum and
to direct exhaust fumes away from the user.
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 mesh.
Cutting equipment
This section describes how to choose and maintain your
cutting equipment in order to:
Reduce the risk of kickback.
Reduce the risk of the saw chain breaking or jumping off
the bar.
Obtain optimal cutting performance.
Extend the life of cutting equipment.
Avoid increasing vibration levels.
General rules
Only use cutting equipment recommended by us!
See instructions under the heading Technical data.
Keep the chain’s cutting teeth properly sharpened!
Follow our instructions and use the recommended file
gauge. A damaged or badly sharpened chain increases
the risk of accidents.
Maintain the correct depth gauge setting! Follow our
instructions and use the recommended depth gauge
clearance. Too large a clearance increases the risk of
kickback.
!
WARNING! Overexposure to vibration can
lead to circulatory 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.
!
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!
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.
!
WARNING! Never use a saw without a
muffler, or with a damaged muffler. A
damaged muffler may substantially increase
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.
Canadian – 11
GENERAL SAFETY PRECAUTIONS
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.
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.
Cutting equipment designed to reduce
kickback
The only way to avoid kickback is to make sure that the
kickback zone of the bar never touches anything.
By using cutting equipment with ”built-in” kickback reduction
and keeping the chain sharp and well-maintained you can
reduce the effects of kickback.
Bar
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.
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.
Bar
Length (inches/cm)
Number of teeth on bar tip sprocket (T).
Chain pitch (inches). The spacing between the drive links
of the chain must match the spacing of the teeth on the bar
tip sprocket and drive sprocket.
Number of drive links. 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.
Chain oil hole and hole for chain tensioner. The bar must
be matched to the chain saw design.
Chain
Chain pitch (inches)
Drive link width (mm/inches)
Number of drive links.
!
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.
IMPORTANT! No saw chain design eliminates the danger of
kickback.
!
WARNING! Any contact with a rotating saw
chain can cause extremely serious injuries.
12 – Canadian
GENERAL SAFETY PRECAUTIONS
Sharpening your chain and adjusting
depth gauge setting
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.
A sharp chain eats its way through the wood and produces
long, thick chips or shavings.
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).
When you sharpen a cutting tooth there are four important
factors to remember.
1 Filing angle
2 Cutting angle
3 File position
4 Round file diameter
It is very difficult to sharpen a chain correctly without the right
equipment. We recommend that you use our file gauge. This
will help you obtain the maximum kickback reduction and
cutting performance from your chain.
See instructions under the heading Technical data for
information about sharpening your chain.
Sharpening cutting teeth
To sharpen cutting teeth you will need a round file and a file
gauge. See instructions under the heading Technical data for
information on the size of file and gauge that are
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.
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.
File all the teeth to the same length. When the length of
the cutting teeth is reduced to 4 mm (0.16") the chain is
worn out and should be replaced.
!
WARNING! Departure from the sharpening
instructions considerably increases the risk
of kickback.
Canadian – 13
GENERAL SAFETY PRECAUTIONS
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.
Adjustment of depth gauge setting
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.
You will need a flat file and a depth gauge tool. We
recommend that you use our depth gauge tool to acheive
the correct depth gauge setting and bevel for the depth
gauge.
Place the depth gauge tool over the chain. Detailed
information regarding the use of the depth gauge tool, will
be found on the package for the depth gauge tool. Use the
flat file to file off the tip of the depth gauge that protrudes
through the depth gauge tool. The depth gauge setting is
correct when you no longer feel resistance as you draw
the file along the depth gauge tool.
Tensioning the chain
The more you use a chain the longer it becomes. It is
therefore important to adjust the chain regularly to take up the
slack.
Check the chain tension every time you refuel. NOTE! A new
chain has a running-in period during which you should check
the tension more frequently.
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.
Raise the tip of the bar and stretch the chain by tightening
the chain tensioning screw using the combination
spanner. Tighten the chain until it does not sag from the
underside of the bar.
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.
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.
!
WARNING! The risk of kickback is increased
if the depth gauge setting is too large!
!
WARNING! A slack chain may jump off and
cause serious or even fatal injury.
14 – Canadian
GENERAL SAFETY PRECAUTIONS
Lubricating cutting equipment
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.
Never use waste oil! Using waste oil can be dangerous to
you and damage the machine and environment.
Filling with chain oil
All our chain saws have an automatic chain lubrication
system. On some models the oil flow is also adjustable.
The saw chain oil tank and the fuel tank are designed so
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 weak 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).
The above conditions also apply to chain saw models with
an adjustable oil pump.
Checking chain lubrication
Check the chain lubrication each time you refuel. See
instructions under the heading Lubricating the bar tip
sprocket.
Aim the tip of the bar at a light coloured surface about 20
cm (8 inches) away. After 1 minute running at 3/4 throttle
you should see a distinct line of oil on the light surface.
If the chain lubrication is not working:
Check that the oil channel in the bar is not obstructed.
Clean if necessary.
Check that the groove in the edge of the bar is clean.
Clean if necessary.
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.
If the chain lubrication system is still not working after carrying
out the above checks and associated measures you should
contact your servicing dealer.
!
WARNING! Poor lubrication of cutting
equipment may cause the chain to snap,
which could lead to serious, even fatal
injuries.
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.
Canadian – 15
GENERAL SAFETY PRECAUTIONS
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)
Regularly check the degree of wear on the drive sprocket.
Replace if wear is excessive. Replace the drive sprocket
whenever you replace the chain.
Needle bearing lubrication
Both versions of sprockets have a needle bearing on the drive
shaft, which has to be greased regularly (once a week).
CAUTION! Use only high quality bearing grease or engine oil.
Checking wear on cutting equipment
Check the chain daily for:
Visible cracks in rivets and links.
Whether the chain is stiff.
Whether rivets and links are badly worn.
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.
When the length of the cutting teeth has worn down to only 4
mm (0,16 inch) the chain must be replaced.
Bar
Check regularly:
Whether there are burrs on the edges of the bar. Remove
these with a file if necessary.
Whether the groove in the bar has become badly worn.
Replace the bar if necessary.
Whether the tip of the bar is uneven or badly worn. If a
hollow forms on the underside of the bar tip this is due to
running with a slack chain.
To prolong the life of the bar you should turn it over daily.
!
WARNING! Most chain saw accidents
happen when the chain touches the
operator.
Wear personal protective equipment. See
instructions under the heading Personal
protective equipment.
Do not tackle 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.
Avoid situations where there is a risk of
kickback. See instructions under the
heading Machine
′′
s safety equipment.
Use the recommended protective equipment
and check its condition. See instructions
under the heading General working
instructions.
Check that all the chain saw safety features
are working. See instructions under the
headings General working instructions and
General safety precautions.
16 – Canadian
ASSEMBLY
Fitting the bar and chain
Check that the chain brake is in disengaged position by
moving the front hand guard towards the front handle.
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. The chain should
be tensioned until it does not sag from the underside of the
bar. See instructions under the heading Tensioning the chain.
The chain is correctly tensioned when it does not sag from the
underside of the bar, but can still be turned easily by hand.
Hold up the bar tip and tighten the bar nuts with the
combination spanner.
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.
!
WARNING! Always wear gloves, when
working with the chain.
Canadian – 17
FUEL HANDLING
Fuel
Note! The machine is equipped with a two-stroke engine and
must always been run using a mixture of gasoline and two-
stroke engine 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.
Gasoline
This engine is certified to operate on unleaded
gasoline.
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.
Environment fuel
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 the
instructions under the heading Carburetor).
Running-in
Avoid running at a too high speed for extended periods during
the first 10 hours.
Two-stroke oil
For best results and performance use 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.
A poor oil quality and/or too high oil/fuel ratio may
jeopardise function and decrease the life time of catalytic
converters.
Mixing ratio
1:50 (2%) for all engines.
Mixing
Always mix the gasoline and oil in a clean container
intended for 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.
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.
If the machine is not used for some time the fuel tank
should be emptied and cleaned.
Chain oil
We recommend the use of special oil (chain oil) with good
adhesion characteristics.
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.
In temperatures below 0°C (32°F) some oils become too
viscous. This can overload the oil pump and result in
damage to the oil pump components.
Contact your service agent when choosing chain oil.
!
WARNING! Always ensure there is adequate
ventilation when handling fuel.
Gasoline, litre Two-stroke oil, litre
2% (1:50)
5 0,10
10 0,43/0,20
15 0,30
20 0,40
US gallon US fl. oz.
2% (1:50)
1 2 1/2
2 1/2 6 1/2
5 12 7/8
18 – Canadian
FUEL HANDLING
Fueling
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.
Fuel safety
Never refuel the machine while the engine is running.
Make sure there is plenty of ventilation when refuelling or
mixing fuel (petrol and 2-stroke oil).
Move the machine at least 3 m from the refuelling point
before starting it.
Never start the machine:
1 If you have spilt fuel or chain oil on the machine. Wipe off
the spillage and allow remaining fuel to evaporate.
2 If you have spilt 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.
3 If the machine is leaking fuel. Check regularly for leaks
from the fuel cap and fuel lines.
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 petrol station.
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.
!
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.
When refuelling, open the fuel cap slowly so
that any excess pressure is released gently.
Tighten the fuel cap carefully after refuelling.
Always move the machine away from the
refuelling area before starting.
!
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.
!
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.
Canadian – 19
STARTING AND STOPPING
Starting and stopping
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.
Ignition; choke: Set the choke control in the choke position.
This should automatically set the stop switch to the start
position.
Start throttle: The correct choke/start throttle setting is
obtained by moving the control to the choke position.
If the machine is fitted with a decompression valve (A): Press
the valve to reduce the pressure in the cylinder and make
starting easier. You should always use the decompression
valve when starting the machine. Once the machine has
started the valve will automatically return to its original setting.
Warm engine
Use the same procedure as for starting a cold engine but
without setting the choke control in the choke position. The
correct choke/start throttle setting is obtained by moving the
choke control to the choke position and then pushing it in
again.
Starting
Grip the front handle with your left hand. Hold the chain saw
on the ground by placing your right foot through the rear
handle. Pull the starter handle with your right hand and pull
out the starter cord slowly until you feel a resistance (as the
starter pawls engage) then pull firmly and rapidly. Never twist
the starter cord around your hand.
CAUTION! Do not pull the starter cord all the way out and do
not let go of the starter handle when the cord is fully extended.
This can damage the machine.
Push in the choke control as soon as the engine fire and make
repeated starting attempts. Immediately press and release
the throttle when the engine starts. That will disengage the
throttle latch.
As the chain brake is still activated the engine must return to
idling speed as soon as possible by disengaging the throttel
latch in order to avoid unnecessery wear on the clutch
assembly.
!
WARNING! Note the following before
starting:
The chain brake must be engaged when the
chain saw is started to reduce the chance of
contact with the moving chain during
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.
Place the machine on firm ground. Make
sure you have a secure footing and that the
chain cannot touch anything.
Keep people and animals well away from the
working area.
H
A
H
20 – Canadian
STARTING AND STOPPING
Note! Pull the front hand guard towards the front handle. The
chain brake is now disengaged. Your saw is ready for use.
Never start a chain saw unless the bar, chain and all
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.
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.
Stopping
The engine is stopped by pushing the stop switch to the stop
position.
!
WARNING! Long term inhalation of the
engine’s exhaust fumes, chain oil mist and
dust from sawdust can represent a health
risk.
H
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