Jonsered Brush Cutter GR 2026D User Manual

Operator´s manual  
(EPA)  
Read through the Operator's Manual  
carefully and understand the content  
before using the machine.  
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CONTENTS  
Jonsered has a policy of continuous product development and  
therefore reserves the right to modify the design and  
appearance of products without prior notice.  
List of contents  
SYMBOL EXPLANATION  
Symbols ............................................................................... 2  
CONTENTS  
List of contents .................................................................... 3  
SAFETY INSTRUCTIONS  
Maintenance, replacement, or repair of the emission control  
devices and systems may be performed by any nonroad  
engine repair establishment or individual.  
Personal protective equipment ............................................. 4  
The machines safety equipment .......................................... 4  
Control, maintenance and service of the machines safety  
equipment ...................................................................... 7  
Cutting equipment ............................................................ 10  
General safety instructions ................................................. 11  
General working instructions ............................................. 12  
Basic clearing techniques.................................................... 13  
WHAT IS WHAT?  
WARNING!  
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.  
!
What is what on the brushcutter?....................................... 17  
ASSEMBLY  
Your warranty does not cover damage or  
liability caused by the use of non-  
authorized accessories or replacement  
parts.  
Assembling the handlebars (GR2026D/GR2032D)........... 18  
Assembling the handlebars (GR2036) ................................ 18  
Transport position, handlebars ........................................... 18  
Assembly of the blade and trimmer head............................ 19  
Assembling the blade guard and grass blade ....................... 19  
Assembling the blade guard and clearing blade................... 19  
Assembling the spray guard and trimmer head Auto 32  
(GR2026D/GR2032D) ............................................... 20  
Assembling the spray guard and trimmer head  
Trimmy SII (GR2036) ................................................. 20  
Assembling other guards and cutting equipment ................ 20  
Adjusting the harness and clearing saw ............................... 21  
FUEL HANDLING  
Fuel mixture ...................................................................... 22  
Fuelling.............................................................................. 22  
START AND STOP  
Control before starting....................................................... 23  
Start and stop..................................................................... 23  
MAINTENANCE  
JONSERED HUSKVARNA SWEDEN  
IMPORTANT ENGINE INFORMATION  
TWC  
THIS ENGINE CONFORMS TO U.S. EPA PH1  
FOR SMALL NON - ROAD ENGINES.  
REFER TO OPERATOR`S MANUAL FOR  
MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.  
This decal certifies that the product has been approved in  
accordance with American exhaust emissions requirements  
EPA PH1.  
Carburettor ........................................................................ 24  
Muffler .............................................................................. 26  
Cooling system .................................................................. 26  
Air filter ............................................................................. 27  
Angle gear .......................................................................... 27  
Spark plug.......................................................................... 27  
Filing the grass blade .......................................................... 27  
Sharpening the clearing blade ............................................ 28  
Maintenance schedule ........................................................ 28  
TECHNICAL DATA  
GR2026D ......................................................................... 29  
GR2032D ......................................................................... 29  
GR2036............................................................................. 29  
EMISSION CONTROL WARRANTY STATEMENT  
Your warranty rights and obligations .................................. 31  
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SAFETY INSTRUCTIONS  
Personal protective equipment  
The machines safety equipment  
IMPORTANT INFORMATION  
This section describes the machines safety equipment, its  
function and how checks and maintenance are carried out to  
ensure that it operates correctly. (See the chapter “What is  
what“ to locate where this equipment is positioned on your  
machine.)  
Incorrect or careless use of a clearing saw,  
brushcutter or trimmer can turn it into a dangerous  
tool that can cause serious or even fatal injury to  
the operator or others. It is extremely important  
that you read and understand the content of this  
manual.  
WARNING!  
Never use a machine with defective safety  
equipment. Follow the control,  
maintenance and service instructions  
described in this section.  
When using a clearing saw, brushcutter or trimmer,  
protective equipment approved by the appropriate  
authorities must be used. Personal protective  
equipment does not eliminate the risk of  
!
accidents, however, it can reduce the effects of an  
injury in the event of an accident. Ask your dealer  
for help when choosing protective equipment.  
1. Throttle trigger  
lock  
A
The throttle trigger lock is  
designed to prevent the  
throttle from accidentally  
being engaged. When the  
WARNING!  
Remove your hearing protection as soon as  
you stop the engine, so that you can hear  
any noises or warning signals.  
!
B
trigger lock (A) is pressed  
into the handle (= when you  
hold the handle) the throttle  
(B) is released. When the  
grip on the handle is  
released the throttle and the  
throttle trigger lock return  
HELMET  
A helmet should be worn if  
trees to be cleared are higher  
than 2 metres.  
A
EAR PROTECTION  
Ear protection offering  
sufficient dampening effect  
should be used.  
to their original positions.  
This takes place via two  
B
independent return spring  
systems. This means that the  
throttle is automatically  
locked in its idling“  
position.  
EYE PROTECTION  
Blows from branches or  
objects thrown by the  
rotating cutting equipment  
can damage the eyes.  
GLOVES  
Gloves should be worn when  
necessary, e.g., when  
assembling cutting  
equipment.  
BOOTS  
Use anti-slip and stable  
boots.  
CLOTHING  
Wear clothes made of a  
strong fabric and avoid loose  
clothing that can catch on  
shrubs and branches. Always  
wear heavy-duty long pants.  
Do not wear jewellery,  
shorts, sandals or go  
barefoot. Secure hair so it is  
above shoulder level.  
FIRST AID KIT  
A first aid kit should be  
carried by operators of  
clearing saws, brushcutters or  
trimmers.  
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SAFETY INSTRUCTIONS  
2. Stop switch  
4. Anti-vibration  
system  
The stop switch should be  
used to stop the engine.  
Your machine is equipped  
with an anti-vibration system  
that has been designed to  
give as vibration-free and  
comfortable usage as  
possible.  
The use of incorrectly  
wound cord or blunt,  
incorrect cutting equipment  
(incorrect type or incorrectly  
sharpened, see section “Filing  
the blade) increases the level  
of vibration.  
The machines vibration  
damping system reduces the  
transfer of vibrations  
between the engine unit/  
cutting equipment and the  
machines handle unit.  
WARNING!  
Over exposure to vibrations can result in  
blood-vessel or nerve injury to persons  
suffering with blood circulation problems.  
Seek medical attention if you experience  
physical symptoms that can be related to  
over exposure to vibrations. Examples of  
such symptoms are numbness, lack of  
feeling, tickling, pricking, pain, lack of  
or a reduction in normal strength, changes  
in the colour of the skin or its surfaces.  
These symptoms normally appear in the  
fingers, hands or wrists.  
!
3. Cutting  
attachment guard  
This guard is intended to  
prevent objects from being  
thrown towards the operator  
and to protect the operator  
from unintentionel contact  
with the cutting attachment.  
5. Quick-release  
There is an easily accessible,  
quick-release catch fitted to  
the chest as a safety  
precaution in the event of a  
fire in the engine or for any  
other situation that requires  
you to free yourself from the  
machine and harness. See the  
section Adjusting the harness  
and clearing saw“.  
WARNING!  
Do not attach any blade to the unit without  
proper installation of all required parts.  
Failure to use the proper parts can cause  
the blade to fly off and seriously injure the  
operator and/or bystanders.  
!
Under no circumstances may the cutting  
equipment be used without an approved  
guard fitted. See the chapter Technical  
data. If the wrong guard or a defective  
guard is fitted this can cause serious  
personal injury.  
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SAFETY INSTRUCTIONS  
6. Muffler  
7. Cutting  
equipment  
1
The muffler is designed to  
give the lowest possible noise  
level and to direct the  
engines exhaust fumes away  
from the operator. Muffler  
fitted with catalytic  
1) Clearing blades are  
intended for cutting wood.  
converter is also designed to  
reduce harmful exhaust  
components.  
2
2) Grass blades are  
intended for brush cutting.  
In countries that have a  
warm and dry climate the  
risk of fire is obvious. We  
have therefore fitted certain  
mufflers with a spark arrest  
screen. Make sure that your  
muffler is fitted with this  
kind of screen.  
3
3) The trimmer head is  
intended for trimming  
grass.  
It is extremely important  
that the instructions for  
checking, maintaining and  
servicing the muffler are  
followed. (See the section  
“Control, maintenance and  
service of the machines safety  
equipment“.)  
8. Locking nut  
A locking nut is used to  
secure some types of cutting  
equipment on the output  
shaft.  
WARNING!  
Mufflers fitted with catalytic converters  
become extremely hot during use and after  
stopping.This also applies at idling speeds.  
Contact can result in burns to the skin. Be  
observant to the risk of fire!  
!
!
WARNING!  
Bear in mind that exhaust fumes:  
contain carbon monoxide, which can  
cause carbon monoxide poisoning.  
Therefore never start or run the machine  
indoors.  
are hot and can contain sparks that can  
cause fires. Never start the machine  
indoors or close to inflammable material.  
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SAFETY INSTRUCTIONS  
See section "Start". Start  
the machine and apply full  
throttle. Release the  
Control, maintenance and service of  
the machines safety equipment  
throttle and check that the  
cutting equipment stops  
and remains at a standstill.  
If the cutting equipment  
rotates with the throttle in  
the idling position then  
the carburettors idling  
setting must be checked.  
See chapter  
IMPORTANT INFORMATION  
All service and repairs to the machine require  
special training.  
This applies especially to the machines safety  
equipment. If the machine does not meet any of the  
controls listed below you should contact your  
service workshop.  
“Maintenance“.  
The purchase of one of our products guarantees  
that professional repair and servicing will be  
carried out on it. If the point of purchase is not one  
of our servicing dealers, please ask for details of  
the closest service workshop.  
1. Throttle trigger  
lock  
Check that the throttle is  
locked in the idling  
positionwhen the  
throttle trigger lock is in  
its original position.  
Press in the throttle  
trigger lock and make sure  
it returns to its original  
position when released.  
Ensure that the throttle  
and throttle trigger lock  
move easily and that their  
return spring systems  
function.  
2. Stop switch  
Start the engine and make  
sure that the engine stops  
when the stop switch is  
moved to the stop  
position.  
The throttle trigger lock is  
designed to prevent the  
throttle from accidentally  
being engaged. When the  
trigger lock (A) is pressed  
A
into the handle (= when you  
hold the handle) the throttle  
(B) is released. When the  
grip on the handle is  
B
released the throttle and the  
throttle trigger lock return  
to their original positions.  
This takes place via two  
independent return spring  
systems. This means that the  
throttle is automatically  
locked in its idling“  
position.  
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SAFETY INSTRUCTIONS  
3. Cutting  
5. Muffler  
attachment guard  
1.Never use a machine that  
has a defective muffler.  
Check that the guard is  
undamaged and not  
cracked.  
2.Check regularly that the  
muffler is secure.  
Replace the guard if it has  
been exposed to impact or  
is cracked.  
3.If your muffler is fitted  
with a spark arrest screen  
then it should be cleaned  
regularly. A blocked  
screen leads to the engine  
overheating with serious  
damage as a result. Never  
use a muffler with a  
defective spark arrest  
screen.  
Always use the prescribed  
blade an guard  
combination, see chapter  
"Technical data".  
4. Vibration  
damping system  
Check the vibration  
damping element  
regularly for material  
cracks and distortion.  
Check that the vibration  
damping element is  
undamaged and securely  
attached.  
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SAFETY INSTRUCTIONS  
6. Cutting equipment  
7. Quick-release  
This section describes how through correct maintenance and  
through using the right type of cutting equipment you can:  
Reduce the machines tendency to kickback  
Obtain maximum cutting capacity.  
Increase the service life of the cutting equipment.  
Check that the harness  
straps are correctly  
positioned. When the  
harness and machine are  
adjusted, check the harness‘  
safety release catch to  
Four basic rules:  
ensure it works correctly.  
1)Only use the cutting  
and guard equipment  
we recommend! See  
chapter “Technical  
data“.  
2)Keep the blades teeth  
well and correctly  
sharpened! Follow our  
instructions and use the  
recommended filing  
gauge. An incorrectly  
sharpened or damaged  
blade increases the risk  
of an accident.  
8. Locking nut  
Protect your hand from  
injury when assembling,  
use the blade guard as  
protection when tightening  
with a socket spanner.  
Tighten the nut by turning  
against the direction of  
rotation. Loosen the nut by  
turning in the direction of  
rotation. (NOTE! the nut  
has a left-hand thread).  
3)Keep the correct setting.  
Follow our instructions  
and use the  
recommended setting  
tool. An incorrectly set  
blade increases the risk  
of jamming and  
Tighten the nut using a  
socket spanner, 35 - 50  
Nm (3.5 - 5 kpm).  
kickback.  
NOTE!  
The locking nuts nylon lock  
must not be so worn that it  
can be turned by hand. The  
lock shall hold at least 1.5  
Nm. The nut should be  
replaced after it has been put  
on approx. 10 times.  
4)Check the cutting  
equipment with regard  
to damage and crack  
formation. Damaged  
cutting equipment  
should always be  
replaced.  
WARNING!  
Never use a machine with defective safety  
!
equipment.The safety equipment should be  
maintained as described in this section. If  
your machine does not meet any of these  
controls you should contact your service  
workshop.  
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SAFETY INSTRUCTIONS  
Sharpening the  
grass blade  
Cutting equipment  
IMPORTANT INFORMATION  
See the cutting  
equipments packaging for  
correct filing instructions.  
The section describes how through correct mainte-  
nance and through using the right type of cutting  
equipment you can reduce the machines tendency to  
kickback, obtain maximum clearing capacity and  
increase the service life of the cutting equipment.  
The blades are sharpened  
using a single cut flat file.  
Only use the cutting and guard equipment we  
recommend! See chapter Technical data.  
Sharpen all edges equally  
to maintain the balance of  
the blade.  
Refer to the instructions for the cutting  
equipment for the correct winding of cord  
and for the selection of the right cord diameter.  
Keep the blades teeht well and correctly  
sharpened! Follow our recommendations. Also  
refer to the instructions on the blade packaging.  
Trimmer head  
Maintain the correct setting. Follow our instruc-  
tions and use the recommended filing gauge.  
Only use a trimmer head  
and trimmer cord that is  
recommended. These  
have been tested by the  
manufacturer to suit a  
particular engine size.  
This is especially  
WARNING!  
Incorrect cutting equipment or an  
incorrectly sharpened blade increases  
the risk of kickback.  
!
important when a fully  
automatic trimmer head  
is used. Only use the  
cutting equipment we  
recommend! See chapter  
“Technical data“.  
Sharpening the  
clearing blade  
See the cutting  
equipments packaging for  
correct filing instructions.  
Generally smaller machines require a small trimmer head  
and vice versa. This is because when clearing using a cord  
the engine must throw out the cord radially from the  
trimmer head and also meet resistance from the grass being  
cleared.  
A correctly sharpened  
blade is a prerequisite for  
working efficiently and to  
avoid unnecessary wear to  
the blade and clearing saw.  
Make sure that the blade is  
well supported when you  
use the file. Use a 5,5 mm  
round file with a file  
holder.  
The length of the cord is also important. A longer cord  
requires greater engine power than a shorter cord of the  
same diameter.  
Make sure the knife positioned on the trimmer guard is  
intact. This is used to cut the cord to the correct length.  
The sharpening angle is  
15°. Every other tooth is  
sharpened to the right and  
the intermediate tooth to  
the left. When the blade  
has been heavily pitted by  
stones the upper side of  
the teeth can, in  
exceptional cases, need to  
be dressed using a flat file.  
In such cases this takes  
place before sharpening  
with the round file.  
To increase the life of the cord it can be soaked in water for  
a few days. This will make the line tougher and it will keep  
longer.  
IMPORTANT INFORMATION  
Always ensure the trimmer cord is wound tightly  
and evenly around the drum, otherwise harmful  
vibrations will occur.  
WARNING!  
Always stop the engine before starting  
work on any part of the cutting equipment.  
!
Dressing the top side must  
be carried out equally for  
all teeth.  
This continues to rotate even after the  
throttle has been released. Ensure that the  
cutting equipment has stopped completely  
and remove the cable from the spark plug  
before you start to work on it.  
Adjust the setting. This  
should be 1 mm.  
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SAFETY INSTRUCTIONS  
Fuel safety  
General safety instructions  
IMPORTANT INFORMATION  
Always use a fuel container  
with an anti-spill valve.  
The machine is only designed for trimming grass,  
brush cutting and/or forestry clearing.  
The only accessories to be used with the engine  
unit as a drive source are the cutting units we  
recommend in the chapter Technical data.  
Never use the machine if you are tired, if you have  
consumed alcohol, or if you are taking medicines  
that can affect your sight, your judgement or the  
control of your body.  
Never fill the machine  
while the engine is  
running. Always stop the  
engine and let it cool for a  
few minutes before  
refuelling.  
Use personal protective equipment. See the section  
Personal protective equipment.  
Provide good ventilation  
when filling or mixing fuel  
(petrol and 2-stroke oil).  
Min. 3 m  
(10 ft)  
Never use a machine that has been modified so that  
it no longer corresponds with the original design.  
Never use a machine that is faulty. Follow the  
maintenance, control and service instructions in  
this Operators Manual. Some maintenance and  
service actions should be carried out by trained  
and qualified specialists. See the chapter Mainte-  
nance.  
Move the machine at least  
3 m from the filling  
position before starting.  
All covers and guards must be fitted before starting  
the machine. Check that the spark plug cap and HT  
lead are not damaged, otherwise you could get an  
electric shock.  
The machine operator shall ensure, while working,  
that no persons or animals come closer than 15  
metres (50 feet). When several operators are  
working in the same area the safety distance  
should be at least double tree length, however, at  
least 15 metres (50 feet).  
Never start the machine:  
a)If you have spilt fuel on it.  
Wipe up all spillage.  
b)If you have spilt fuel on  
yourself or your clothes.  
Change your clothes.  
c)If there is a fuel leak.  
Make regular checks for  
leakage from the fuel cap  
and the fuel supply pipes.  
WARNING!  
Faulty cutting equipment or an incorrectly  
sharpened blade increases the risk of  
accidents.  
!
Start  
Transport and storage  
WARNING!  
When the engine starts with the choke lever  
in the choke or starter throttle position the  
cutting equipment starts to rotate  
immediately.  
Store and transport the machine and fuel so that any leakage  
or fumes do not risk coming into contact with sparks or  
naked flames. For example, electric machines, electric  
motors, electrical switches/power switches, heaters or the  
like.  
!
The complete clutch cover  
with shaft must be fitted  
before the machine is  
When storing and transporting fuel approved containers  
intended for this purpose must be used.  
started, otherwise the  
clutch can become loose  
and cause personal injury.  
Never start the machine  
indoors. Bear in mind the  
dangers of inhaling the  
engines exhaust fumes.  
Observe your surroundings  
and make sure that there is  
no risk of people or animals  
coming into contact with  
the cutting equipment.  
When storing the machine for long periods the fuel tank  
must be emptied. Contact your local petrol station to find  
out how to dispose of excess fuel.  
Always keep the transport guard attached when transporting  
and storing the machine.  
WARNING!  
Exercise great care when handling fuel.  
Bear in mind the risk of fire, explosions and  
inhaling fumes.  
!
Place the machine on the ground, ensure the cutting  
equipment runs free of twigs and stones. Push the machine  
body towards the ground using your left hand. (NOTE! Not  
with your foot). Grip the starter handle with your right hand  
and pull the starter cord.  
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SAFETY INSTRUCTIONS  
4.Take great care when  
General working instructions  
cutting a tree that is subject  
to tension. A tree that is  
under tension can spring  
back to its original position  
both before and after being  
cut. Incorrect positioning  
on your behalf or when  
positioning the cut can  
result in the tree hitting you  
or the machine so that you  
lose control. Both situations  
can cause serious personal  
injury.  
IMPORTANT INFORMATION  
This section takes up the basic safety precautions  
for working with the clearing saw and trimmer.  
If you encounter a situation where you are  
uncertain how to proceed you should ask an  
expert. Contact your dealer or your service  
workshop.  
Avoid all usage which you consider to be beyond  
your capability.  
You must understand the difference between  
clearing, brush cutting and grass trimming before  
using the machine.  
5.The engine should be  
switched off before moving.  
When moving over longer  
distances and transporting  
the transport guard should  
be used.  
Basic safety precautions  
1.Observe your surroundings:  
6.Never put the machine  
down with the engine  
running unless you have  
good sight of it.  
To ensure that people, animals or other things cannot affect  
your control of the machine.  
To ensure that the above mentioned do not come into  
contact with the cutting equipment or objects that can be  
thrown by the cutting equipment.  
NOTE! Never use a machine without the possibility of  
calling for help in the event of an accident.  
2.Avoid usage in  
unfavourable weather  
conditions. For example,  
thick fog, heavy rain,  
strong winds or extreme  
cold, etc. To work in bad  
weather conditions is  
tiring and can create  
dangerous circumstances,  
e.g. slippery surfaces,  
affect a trees direction of  
fall, etc.  
3.Make sure you can walk  
and stand safely. Look out  
for any obstacles with  
unexpected movement  
(roots, stones, branches,  
pits, ditches, etc.). Take  
great care when working  
on sloping ground.  
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SAFETY INSTRUCTIONS  
Adjusting the harness and clearing saw  
Basic clearing techniques  
WARNING!  
Always drop to idling speed after each working operation.  
Longer periods running at full throttle without loading the  
engine (that is without resistance, which the engine feels  
from the cutting equipment when trimming) can lead to  
serious engine damage.  
When working with the clearing saw it  
should always be hooked in the harness. If  
this is not done, you cannot control the  
clearing saw safely and this can result in  
injury to yourself or someone else. Never  
use a harness with a defective quick  
release catch.  
!
Designations  
Quick release  
On the front is an easily  
accessible, quick release  
catch. Use this if the engine  
should catch fire or in any  
other emergency situation  
when you quickly need to  
take off the harness and  
machine.  
Forestry clearing is a  
general term for cutting  
small trees where each  
stem is cut individually.  
A saw blade is used.  
Brush cutting is a general  
term for clearing grass.  
Grass blades are used for  
this purpose.  
Even load on the  
shoulders  
A well-adjusted harness and  
clearing saw significantly  
facilitates working. Adjust  
the harness for the best  
working position. Tension  
the side straps so that the  
weight is evenly distributed  
across the shoulders.  
Grass trimming is a  
general term for light  
clearing, e.g. around  
edges or around trees. A  
trimmer head or plastic  
blade is used.  
Correct height  
1) Forestry clearing  
WARNING!  
Sometimes branches, grass or wood can  
get caught between the guard and cutting  
equipment. Always stop the engine when  
cleaning.  
Adjust the carrier strap so  
that the suspension hook  
comes approximately 10  
cm under the hip. The  
blade should be angled  
forward a little.  
!
2)Grass clearing  
The suspension hook  
should hang  
approximately 20 cm  
under the hip so that the  
blade is parallel to the  
ground.  
Correct balance  
1)Forestry clearing  
Move the suspension eye  
forwards or backwards. If  
the blade is balanced a 10-  
20 cm above the ground it  
is easier to avoid stones.  
2)Grass clearing  
Let the blade balance at a  
comfortable clearing  
height, i.e. close to the  
ground.  
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SAFETY INSTRUCTIONS  
Clearings ABC  
Forestry clearing  
using a saw blade  
A.  
B.  
C.  
D.  
E.  
Always use the correct equipment.  
Always have well adjusted equipment.  
Follow the safety instructions.  
Organise the work well.  
Always use full throttle when applying the blade.  
Always use a sharp blade.  
When applying the blade  
to heavier stems the risk of  
kickback increases. You  
should therefore avoid  
applying the blade on the  
cutting area between 12  
and 3 oclock.  
F.  
G.  
H.  
Avoid stones.  
Guide the direction of fall (use the wind).  
To fell to the left, the  
lower section of the tree  
should carry to the right.  
Angle the blade and move  
it with a resolute  
movement diagonally  
down to the right. At the  
same time press against the  
stem using the blade  
WARNING!  
Avoid cutting in the cutting region between  
12 and 3 oclock on the blade. Kickback can  
occur due to the blades rotation speed in  
this area of the blade when applied on thick  
stems.  
!
Working methods  
Before you start clearing, check the clearing area, its  
condition, slopes, if there are stones, pits, etc.  
guard. Apply the blade on  
the area between 3-5  
Thereafter start at the end which is easiest, and make a good  
start to the clearing.  
oclock. Use full throttle  
when applying the blade.  
Work systematically to  
and from and across the  
area. Each stroke should  
encompass a working  
area of 4-5 metres. This  
then utilises the full  
To fell to the right, the  
lower section of the tree  
should carry to the left.  
Angle the blade and move  
it with a resolute  
working area of the  
machine in both  
directions and provides  
the operator with an easy  
and variable working  
area to work through.  
movement diagonally up  
to the left. Apply the blade  
on the area between 3 and  
5 oclock so that the  
blades direction of  
The length of the  
pathway should be  
approx. 75 m. Move the  
fuelling station as work  
progresses.  
rotation carries the lower  
section of the tree to the  
left.  
On sloping ground the  
pathway should run  
parallel to the slope. It is  
far easier to work along a  
slope then up and down  
a slope.  
The pathway should be  
planned so that you  
avoid going over ditches  
or other obstacles. Also  
adapt the pathway to the  
wind conditions so that  
the cleared stems fall on  
the part of the stand that  
has been cleared.  
To fell a tree forwards the  
lower section of the tree  
should be drawn  
backwards. Draw the blade  
backwards with a quick  
and resolute movement.  
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SAFETY INSTRUCTIONS  
Large stems must be cut  
from two sides.  
Brush cutting using a grass blade  
Determine in which  
direction the stem  
A blade is used for all  
types of high or thick  
grass.  
should fall. First apply  
the saw to the felling  
side. Then cut from the  
other side to fell the  
stem. The feed pressure  
should be applied with  
regard to the size of the  
stems hardness. Small  
stems require more  
pressure, while large  
stems require less  
The grass is cut down  
with a sideways, swinging  
movement, where the  
movement from right-to-  
left is the clearing stroke  
and the movement from  
left-to-right is the return  
stroke. Let the blade work  
on the left-hand side  
(between 8 and 12  
pressure.  
oclock).  
If the stems are tightly  
packed adapt the  
through-speed with this  
in mind.  
If the blade is angled to the left when clearing the grass will  
collect in a line, which makes collection easier, e.g. when  
raking.  
If the blade should jam in the stem, never jerk the  
machine free. If you do this the blade, angle gear, shaft or  
the handlebars can be damaged. Release the handlebars  
and grip the shaft with both hands and slowly pull the  
machine free.  
Try to work rhythmically. Stand firmly with your feet apart.  
Move forward after the return stroke and stand firmly again.  
Let the support cup rest lightly against the ground. It is used  
to protect the blade from hitting the ground.  
Reduce the risk of material wrapping around the blade by  
following these instructions:  
a) Always work at full throttle.  
b) Avoid the previously cut material during the return  
stroke.  
Brush cutting  
using the saw  
blade  
Thin stems and brush are  
mown down. Work by  
swinging the machine  
sideways.  
Stop the engine and remove the brushcutter from the  
harness before you start to gather the cut material.  
WARNING!  
Neither the user of the tool or anyone else  
Try to cut several stems in  
one movement.  
!
!
may attempt to remove the cut material while  
the engine is running or with the blade  
rotating as this can result in serious injury.  
Stop the engine and blade before you  
remove material that has wound around the  
blade as otherwise there is a risk of injury.  
The bevel gear unit can get hot during use  
and may remain so for a while afterwards.  
There is a risk of slight burns if you touch it.  
With groups of hardwood  
stems, first clear around  
the group. Cut high on  
the stems around the  
outside of the group to  
avoid jamming. Now cut  
the stumps to the  
required height. Now try  
to come in with the blade  
and cut from the centre of  
the group. If it is still  
difficult to gain access, cut  
long stumps and let the  
stems fall down. This will  
reduce the risk of  
WARNING!  
Beware of thrown objects. Always wear eye  
protection. Never lean over the guard.  
Stones, rubbish etc. can be thrown up into  
the eyes resulting in blindness or other  
serious injury.  
Keep unauthorised persons at a distance.  
Children, animals, onlookers and helpers  
should be outside the safety zone of 15  
meters (50 feet). Stop the machine  
immediately if anyone approaches.  
jamming.  
English 15  
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SAFETY INSTRUCTIONS  
Trimming  
Grass clearing  
using the trimmer  
head and plastic  
knifes  
The trimmer is ideal to  
cut grass that is difficult  
to reach using a normal  
lawn mower. Keep the  
cord parallel to the  
ground when cutting.  
Avoid pressing the  
trimmer head against the  
ground as this can ruin  
the lawn and damage the  
tool.  
Hold the trimmer head  
just above the ground at  
an angle. It is the end of  
the cord that carries out  
the work. Let the cord  
work at its own pace.  
Do not press the cord  
into the area to be cut.  
Do not allow the  
trimmer head to  
The cord can easily  
remove grass and weeds  
up against walls, fences,  
trees and borders,  
however, it can also  
damage sensitive bark on  
trees and bushes and  
damage fence posts.  
constantly come into  
contact with the ground  
during normal cutting  
procedures. Constant  
contact can cause damage  
and wear to the trimmer  
head.  
Reduce the risk of  
damaging plants by  
shortening the cord to  
10-12 cm and reducing  
the engine speed.  
Sweeping  
The rotating cords  
fanning effect can be  
used for quick and easy  
cleaning. Hold the cord  
parallel to and above the  
area to be swept and  
move the trimmer from  
side to side.  
Clearing  
The clearing technique  
removes all unwanted  
vegetation. Keep the  
trimmer head just above  
the ground and tilt it.  
Let the end of the cord  
strike the ground around  
trees, posts, statues and  
the like. NOTE! This  
technique increases the  
wear on the cord.  
When cutting and  
sweeping you should use  
full throttle to obtain the  
best results.  
WARNING!  
Beware of thrown objects. Always wear eye  
The cord wears quicker  
and must be fed forward  
more often when  
working against stones,  
brick, concrete, metal  
fences, etc. than when  
coming into contact  
with trees and wooden  
fences.  
protection. Never lean over the guard.  
Stones, rubbish etc. can be thrown up into  
the eyes resulting in blindness or other  
serious injury.  
Keep unauthorised persons at a distance.  
Children, animals, onlookers and helpers  
should be outside the safety zone of 15  
meters (50 feet). Stop the machine  
immediately if anyone approaches.  
!
When trimming and  
clearing you should use  
less than full throttle so  
that the cord lasts longer  
and to reduce the wear  
on the trimmer head.  
16English  
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WHAT IS WHAT?  
23  
22  
30  
29  
27  
24  
28  
What is what on the brushcutter?  
1. Blade  
16. Air filter cover  
17. Clutch cover  
18. Handlebar adjustment  
19. Locking nut  
20. Support flange  
21. Support cup  
22. Drive disc  
2. Grease filler cap  
3. Angle gear  
4. Blade guard  
5. Shaft  
6. Handlebars  
7. Throttle  
8. Stop switch  
9. Throttle trigger lock  
10. Suspension for clearing saw  
11. Cylinder cover  
12. Starter handle  
13. Fuel tank  
23. Trimmer head  
24. Socket spanner  
25. Operators Manual  
26. Transport guard  
27. Allen key  
28. Locking pin  
29. Harness  
14. Choke  
15. Air purge  
30. Spray guard  
English 17  
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ASSEMBLY  
Assembling the handlebars  
(GR2026D/GR2032D)  
Assembling the handlebars (GR2036)  
Remove the screw at the  
rear of the throttle handle.  
Remove the screw at the  
rear of the throttle  
handle.  
Slide on the throttle  
handle on the right-hand  
side of the handlebars, (see  
the diagram).  
Slide on the throttle  
handle on the right-hand  
side of the handlebars,  
(see the diagram).  
Align the hole in the  
throttle handle for the  
fixing screw with the hole  
on the handlebars.  
Align the hole in the  
throttle handle for the  
fixing screw with the  
hole on the handlebars.  
Refit the screw in the rear  
of the throttle handle.  
Refit the screw in the  
rear of the throttle  
handle.  
Fit the screw through the  
throttle handle and the  
handlebars and tighten.  
Fit the screw through the  
throttle handle and the  
handlebars and tighten.  
Unscrew the bracket  
components from the  
handlebar bracket.  
Unscrew the handle  
from the handlebar  
bracket.  
Position the handlebars as  
shown. Fit the bracket  
components and tighten  
the handle lightly.  
Position the handlebars  
as shown. Fit the bracket  
components and tighten  
the handle lightly.  
Fit the cabling as shown.  
Put on the harness and  
hang the machine in the  
suspension hook. Now  
finely adjust so that the  
machine gives a  
comfortable working  
position when its  
attached to the harness.  
Tighten the handle.  
Put on the harness and  
hang the machine in the  
suspension hook. Now  
finely adjust so that the  
machine gives a  
comfortable working  
position when its  
attached to the harness.  
Tighten the handle.  
Transport position, handlebars  
The handlebars can easily  
be turned to fit along the  
shaft for easy  
transportation and storage.  
Loosen the knob. Turn the  
handles clockwise so that  
the throttle comes against  
the engine.  
Thereafter fold the  
handlebars around the  
shaft. Tighten the handle.  
Attach the transport  
guard.  
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ASSEMBLY  
Assembly of the blade and trimmer  
head  
Assembling the blade guard and  
clearing blade  
It is extremely important that  
the disc drives/support  
flanges guide engages  
correctly in the cutting  
equipments centre hole when  
assembling the cutting  
equipment. Cutting  
equipment assembled  
incorrectly can result in  
serious and/or fatal personal  
injury.  
Fasten the bracket (H)  
using the four screws (I).  
The guard (A) is fitted  
using 4 screws (L) as set  
out in the diagram.  
NOTE! Use the  
recommended blade  
guard.  
I
H
Fit the drive disc (B) on  
the output axle.  
WARNING!  
Do not attach any blade to the unit without  
proper installation of all required parts.  
Failure to use the proper parts can cause  
the blade to fly off and seriously injure the  
operator and/or bystanders.  
!
Turn the blade axle until  
one of the holes in the  
drive disc aligns with the  
hole in the gear housing.  
L
Under no circumstances may the cutting  
equipment be used without an approved  
guard fitted. See the chapter Technical  
data. If the wrong guard or a defective  
guard is fitted this can cause serious  
personal injury.  
Insert the locking pin (C)  
in the hole so that the  
axle is locked.  
A
Place the blade (D) and  
support flange (F) on the  
IMPORTANT INFORMATION  
output axle.  
The machine must be equipped with the correct  
handlebars, blade guard and harness if either a  
clearing blade or grass blade are to be used.  
G
F
Fit the nut (G). The  
tightening torque of the  
nut is 35-50 Nm (3.5 - 5  
kpm). Use the socket  
spanner in the tool kit.  
Hold the handle of the  
spanner as close to the  
blade guard as possible.  
The nut is tightened  
when the spanner is  
turned against the  
D
Assembling the blade guard and  
grass blade  
The guard (A) is fitted  
using 4 screws (L) and  
the support plate (M) as  
B
G
set out in the diagram.  
F
E
NOTE! Use the  
C
recommended blade  
D
guard.  
direction of rotation (left-  
hand thread).  
Fit the drive disc (B) on  
the output axle.  
Turn the blade axle until  
A
B
When slacking off and  
tightening the saw blade  
nut, the hands may be  
injured by the blade  
teeth. Always hold your  
hand protected by the  
blade guard. This is  
facilitated by the use of a  
long box spanner. The  
illustration shows the area  
in which you should keep  
the box spanner.  
C
one of the holes in the  
drive disc aligns with the  
hole in the gear housing.  
L
Insert the locking pin (C)  
in the hole so that the  
axle is locked.  
M
Place the blade (D),  
support cup (E) and  
support flange (F) on the  
output axle.  
Fit the nut (G). The  
tightening torque of the  
nut is 35-50 Nm (3,5 - 5  
kpm). Use the socket  
spanner in the tool kit.  
Hold the handle of the spanner as close to the blade guard as  
possible.The nut is tightened when the spanner is turned  
against the direction of rotation (left-hand thread).  
English 19  
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ASSEMBLY  
Assembling the spray guard and  
trimmer head Auto 32  
(GR2026D/GR2032D)  
Assembling the spray guard and  
trimmer head Trimmy SII (GR2026)  
Fit the guard (A) intended  
for use with the trimmer  
head. Secure using four  
bolts (L) and the support  
Fit the guard (A) intended  
for use with the trimmer  
head. Secure using the 4  
bolts (L) and the support  
plate (M) as set out in the  
diagram.  
plate (M) as shown in the  
diagram.  
A
L
B
Fit the driver plate (B) on  
the drive shaft.  
K
Fit the drive disc (B) on the  
output axle.  
J
Rotate the drive shaft so  
that one of the holes in the  
driver plate lines up with  
the corresponding hole in  
the gear housing.  
I
Turn the blade axle until  
one of the holes in the  
drive disc aligns with the  
hole in the gear housing.  
C
M
K
Insert the locking pin (C)  
into the hole to lock the  
shaft.  
Insert the locking pin (C)  
in the hole so that the axle  
is locked.  
H
G
Screw on the trimmer  
head (H) in the opposite  
direction to the normal  
direction of rotation.  
F
B
C
I
The trimmer head must be  
M
L
split to be fitted (see the  
diagram). Proceed as  
follows:  
Tighten the trimmer head  
to a torque of 35-50 Nm  
(3.5-5 kpm).  
Insert your finger into the  
centre hole of the cover (I)  
at the same time as you  
hold the cover with your  
other fingers. Press the two  
catches (J) that extend from  
the cut-out on the bottom  
section (K) using the  
To remove the trimmer  
head just reverse the  
sequence.  
A
Assembling other guards and  
cutting equipment  
thumb and index finger of  
your other hand. Press  
apart the trimmer head  
using the fingers on the  
cover.  
Fit the guard (A)  
intended for use with  
the trimmer head.  
Secure using four bolts  
(L) and the support plate  
A
L
B
(M) as shown in the  
diagram.  
Place the cover (I) and the  
support flange (F) on the  
output axle.  
Fit the disc drive (B) on  
the output axle.  
C
M
Fit the nut (G). The  
tightening torque of the  
nut is 35-50 Nm (3,5-5  
kpm). Use the socket  
spanner in the tool kit.  
Hold the handle of the  
spanner as close to the trimmer guard as possible. The nut is  
tightened when the spanner is turned against the direction of  
rotation (left-hand thread).  
Turn the blade axle until  
one of the disc drives  
holes aligns with the  
corresponding hole in  
the gear housing.  
H
Insert the locking pin  
(C) into the hole to lock  
the axle.  
Screw on the trimmer  
head (H) in the  
direction of rotation.  
Fit the trimmer heads bottom section (K) on the cover (I)  
by pressing the two sections together with the cut-outs on  
the bottom section aligned with the catches on the cover.  
Dismantling takes place  
in the reverse order.  
To dismantle follow the instructions in the reverse order.  
20English  
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ASSEMBLY  
Adjusting the harness and clearing  
saw  
WARNING!  
When working with the clearing saw it  
should always be hooked in the harness.  
If this is not done, you cannot control the  
clearing saw safely and this can result in  
injury to yourself or someone else. Never  
use a harness with a defective quick  
release catch.  
!
Quick release  
On the front is an easily  
accessible, quick release catch.  
This is activated by pulling  
the outer part of the chest  
plate straight out. Use this if  
the engine should catch fire  
or in any other emergency  
situation when you quickly  
need to take off the harness  
and machine.  
Even load on the  
shoulders  
A well-adjusted harness and  
clearing saw significantly  
facilitates working. Adjust the  
harness for the best working  
position. Tension the side  
straps so that the weight is  
evenly distributed across the  
shoulders.  
Correct height  
1) Forestry clearing  
Adjust the carrier strap so  
that the suspension hook  
comes approximately 10  
cm under the hip. The  
blade should be angled  
forward a little.  
2)Grass clearing  
The suspension hook  
should hang approximately  
20 cm under the hip so  
that the blade is parallel to  
the ground.  
Correct balance  
1)Forestry clearing  
Move the suspension eye  
forwards or backwards. If  
the blade is balanced a 10-  
20 cm above the ground it  
is easier to avoid stones.  
2)Grass and brush cutting.  
Let the blade balance at a  
comfortable clearing  
height, i.e. close to the  
ground.  
English 21  
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FUEL HANDLING  
Mixture  
Fuel mixture  
NOTE!  
Always mix gasoline and oil in a clean container intended  
for fuel.  
The machine is fitted with a two-stroke engine and must  
always be run on a mixture of gasoline and two-stroke oil. It is  
important to measure the quantity of oil accurately, to ensure  
the correct mixture ratio. Small discrepancies in the amount of  
oil have a great bearing on the proportions of the fuel mixture  
when mixing small amounts of fuel.  
Always start by filling half the quantity of gasoline required.  
Then add the entire oil quantity. Mix (shake) the fuel  
mixture. Fill the remaining quantity of gasoline.  
Mix (shake) the fuel mixture carefully before filling in the  
machines fuel tank.  
Do not mix more than max. one months supply of fuel.  
If the clearing saw is not used for a long period of time, the  
fuel tank should be emptied and cleaned.  
WARNING!  
Always provide good ventilation when  
handling fuel.  
!
Gasoline  
• This engine is certified to operate on unleaded gasoline.  
WARNING!  
The catalytic converter muffler gets very hot  
during and after use.This also applies  
during idling. Be aware of the fire hazard,  
especially when handling the saw near  
flammable substances or vapours.  
!
NOTE!  
Always use an oil-mixed  
quality gasoline (at least 87  
octane). If your machine is  
equipped with a catalytic  
converter, (see “technical  
data”) an unleaded, oil  
mixed quality gasoline  
should always be used. A  
leaded gasoline will destroy  
the catalytic converter.  
Fuelling  
WARNING!  
The following precautions reduce the risk  
of fire:  
!
Do not smoke or place any sources of  
heat in the vicinity of the fuel. Never  
refuel when the engine is running.  
Always stop the engine and let it cool for  
a few minutes before refuelling. Open the  
fuel cap slowly when fuelling so that any  
over pressure is released slowly.Tighten  
the fuel cap carefully after refuelling.  
Always move the machine from the  
fuelling place before starting.  
This engine is certified to  
operate on unleaded  
gasoline.  
The lowest recommended  
octane rating is 87. If you  
run the engine on lower  
octane rating than 87 so-  
called knockingcan  
occur. This leads to an  
increased engine  
temperature, which can  
result in a serious engine  
breakdown.  
Clean around the fuel  
cap. Contamination in  
the tank can disrupt  
operations.  
Ensure that the fuel is  
well mixed by shaking the  
container before filling  
the tank.  
When working at  
continuous high revs a  
higher octane rating is  
recommended.  
Min. 3 m  
(10 ft)  
Two-stroke oil  
For the best results use  
JONSERED two-stroke  
oil, which has been  
specially developed for  
clearing saws and chain  
saws. Mixing ratio 1:50  
(2%).  
Gasoline  
Oil  
2%(1:50)  
Lit.  
5
10  
15  
20  
Lit.  
0,10  
0,20  
0,30  
0,40  
US  
fl. oz.  
2 1/2  
6 1/2  
12 7/8  
Never use two-stroke oil intended for water cooled outboard  
motors, so-called outboard motor oil.  
US  
gallon  
1
2 1/2  
5
Never use oil intended of four-stroke engines.  
22English  
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START AND STOP  
Cold engine  
IGNITION: Set the stop  
Control before starting  
switch to the start position.  
CHOKE: Set the choke  
control in the choke  
position.  
For reasons of safety follow  
these recommendations!  
Check the blade to ensure  
that no cracks have formed  
at the bottom of the teeth  
or by the centre hole. The  
most common reason why  
cracks are formed is that  
sharp corners have been  
formed at the bottom of  
the teeth while sharpening  
or that the blade has been  
used with dull teeth.  
Discard a blade if cracks  
are found.  
Check that the support  
flange is not cracked due to  
fatigue or due to being  
tightened too much.  
AIR PURGE:  
Press the air purge  
diaphragm repeatedly until  
fuel begins to fill the  
diaphragm. The diaphragm  
need not be completely  
filled.  
Warm engine  
Use the same starting  
procedure as for the cold  
engine, but do not set the  
choke control in the choke  
position. The start throttle  
position is obtained by  
setting the choke control in  
the choke position and then  
returning it to its original  
position.  
Discard the support flange  
if it is cracked.  
Ensure the locking nut has  
not lost its captive force.  
The nut lock should have a  
locking force of at least 1.5  
Nm. The tightening  
Stop  
The engine is stopped by  
switching off the ignition.  
torque of the locking nut  
should be 35-50 Nm.  
Check that the guard is not  
damaged or cracked.  
Replace the guard if it is  
exposed to impact or is  
cracked.  
WARNING!  
When the engine is started with the choke  
in the choke or start position the cutting  
equipment starts to rotate immediately.  
!
Check that the trimmer  
head and spray guard are  
not damaged or cracked.  
Replace the trimmer head  
or spray guard if they are  
exposed to impact or are  
cracked.  
Start  
Press the machine body  
against the ground using  
your left hand (NOTE! Not  
your foot). Grip the starter  
handle, slowly pull out the  
cord with your right hand  
until you feel some resistance  
(the starter pawls grip), now  
quickly and powerfully pull  
the cord.  
Never use the machine without a guard or spray guard nor  
with a defective guard.  
Start and stop  
Reset the choke control as  
soon as the engine fires and  
repeat until the engine starts.  
When the engine starts  
quickly apply full throttle  
and the start throttle will  
automatically disengage.  
WARNING!  
The complete clutch cover with shaft must  
be fitted before the machine is started,  
otherwise the clutch can become loose  
and cause personal injury.  
Always move the machine from the filling  
area before starting. Place the machine on  
a flat surface. Ensure the cutting  
equipment cannot come into contact with  
any object. Make sure no unauthorised  
persons are in the working area,  
otherwise there is a risk of serious  
personal injury.The safety distance is 15  
metres.  
!
NOTE! Do not pull the  
starter cord out completely  
and do not release the starter  
cord from the fully extended  
position. This can damage  
the machine.  
English 23  
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MAINTENANCE  
Basic setting  
Carburetor  
The carburetor is set to its basic setting when test run at the  
Your JONSERED product has been designed and  
manufactured to specifications that reduce harmful  
emissions.  
factory. The basic setting should be kept during the  
machines first working hours. Thereafter the carburetor  
should be finely adjusted. Fine adjustment should be carried  
out by a skilled technician.  
After your unit has been run 8-10 tanks of fuel the engine  
has broken in. To ensure that your unit is at peak  
performance and producing the least amount of harmful  
emissions after break in, have your authorized servicing  
dealer, who has a revolution counter at his disposal, to adjust  
your carburetor for optimum operating conditions.  
NOTE! If the cutting attachment rotates/moves in the idling  
position, turn the idling speed screw counter-clockwise until  
the blade stops.  
Rec. idling speed: 2 700 rpm.  
Recommended max. speed: See technical data.  
WARNING!  
The complete clutch cover with shaft must  
be fitted before the machine is started,  
otherwise the clutch can become loose  
and cause personal injury.  
!
WARNING!  
Contact your servicing dealer, if the idle  
speed setting cannot be adjusted so  
that the cutting attachment stops. Do  
not use the machine until it has been  
properly adjusted or repaired.  
!
Functioning  
The carburetor governs the engine speed via the throttle  
trigger. In the carburetor, air/fuel is mixed. This air/fuel  
mixture is adjustable. If you want to take advantage of the  
maximum output of the engine, the setting must be correct.  
Fine adjustment  
When the machine has been run-inthe carburetor should  
be finely adjusted. The fine adjustment should be carried  
out by qualified person. First adjust the L-jet, then the  
idling screw T and then the H-jet.  
The setting of the carburetor means that the engine is  
adjusted to local conditions, for example climate, altitude,  
gasoline and type of two-stroke oil.  
Conditions  
Before any adjustments are made the airfilter should be clean  
and the airfilter cover fitted. Adjusting the carburetor while  
a dirty airfilter is in use will result in a leaner mixture when  
the filter is finally cleaned. This can give rise to serious  
engine damage.  
Carefully turn the L and H needle to the mid point between  
fully turned in and fully turned out.  
Do not attempt to adjust the needles beyond the stops as  
damage can occur.  
The carburetor has three  
adjustment possibilities:  
L= Low speed needle  
H= High speed  
adjustment screw  
T= Idle speed  
adjustment screw  
The fuel quantity  
Now start the machine according to the starting instructions  
and run it warm for 10 minutes.  
NOTE! If the cutting attachment rotates/moves the T screw  
should be turned anti-clockwise until the cutting attachment  
stops.  
Low speed needle L  
Try to find the highest idling  
speed, turning the low speed  
needle L clockwise  
required in proportion to the airflow the throttle trigger level  
allows is adjusted by means of the L- and H-needles.  
Turning the needles clockwise gives a leaner fuel mixture  
(less fuel), turning them counter-clockwise gives a richer fuel  
mixture (more fuel). A lean mixture gives higher rpms and a  
rich one lower rpms.  
respectively counter-  
clockwise. When the highest  
speed has been found, turn  
the low speed needle L 1/4  
turn counter-clockwise.  
The idling speed screw T regulates the position of the  
throttle lever in the idling speed position. Turn the idling  
speed screw clockwise gives a higher idling speed, turn it  
counter-clockwise a lower idling speed.  
+ 1/4  
NOTE! If the cutting  
attachment rotates/moves in  
the idling position, turn the  
idling speed screw T  
counter-clockwise until the  
cutting attachment stops.  
L
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MAINTENANCE  
Final setting of the idling speed T  
Adjust the idling speed with  
the screw T, If it is necessary  
to readjust. First turn the  
idle speed adjusting screw T  
clockwise until the cutting  
attachment starts to rotate/  
move. Then turn, counter-  
clockwise until the cutting  
attachment stops. A correctly  
adjusted idle speed setting  
occurs when the engine runs  
smoothly in every position.  
It should also be good  
Correctly adjusted carburetor  
A correctly adjusted carburetor means that the machine  
accelerates without hesitation and the machine 4-cycles a  
little at max speed. Furthermore, the cutting attachment  
must not rotate/move at idling. A too lean adjusted low  
speed needle L may cause starting difficulties and bad  
acceleration.  
A too lean adjusted high speed needle H gives lower power =  
less capacity, bad acceleration and/or damage to the engine.  
A too rich adjustment of the two speed needles L and H  
gives acceleration problems or too low working speed.  
margin to the rpm when the  
cutting attachment starts to  
rotate/move.  
CAUTION! Contact your servicing dealer, if the idle speed  
setting cannot be adjusted so that the cutting attachment  
stops. Do not use the machine until it has been properly  
adjusted or repaired.  
High speed needle H  
The high speed needle  
affects the machines  
power, speed, temperature  
and fuel consumption. A  
too lean adjustment on the  
high speed needle H (the  
high speed needle H is  
screwed in too much) gives  
a too high speed resulting  
in engine damage. Do not  
allow the engine to run at  
full speed for more than 10  
seconds.  
Apply full throttle and  
turn the high speed needle  
H slowly anticlockwise  
until the engine runs  
unevenly. The high speed  
needle H is then turned  
slowly clockwise a little  
until the engine runs  
H
smoothly.  
Note the engine should be run unloaded when adjusting the  
high speed needle. Therefore dismantle the cutting  
equipment, nut, support flange and disc drive before adjusting  
the high speed needle. The high speed needle is adjusted  
correctly when the machine splattersa little . If the machine  
smokes heavily at the same time as it splattersheavily the  
adjustment is too rich.  
NOTE! For optimum setting of the carburetor, contact a  
qualified servicing dealer who has a revolution counter at his  
disposal.  
English 25  
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MAINTENANCE  
Muffler  
Cooling system  
NOTE!  
To maintain as low opera-  
ting temperature as possible  
the engine is equipped with  
a cooling system.  
Some mufflers are fitted with a catalytic converter. See  
Technical datato see whether you clearing saw is fitted with a  
catalytic converter.  
The cooling system consists  
of:  
1.An air intake on the  
starter unit.  
2.Cooling fins on the  
flywheel.  
3.Cooling fins on the  
cylinder  
The muffler is designed to  
dampen the noise level and  
to direct the exhaust fumes  
away from the user. The  
exhaust fumes are hot and  
can contain sparks, which  
can result in fire if the  
4
3
exhaust fumes are directed  
towards a dry and  
4.Cylinder cover (leads cold  
air onto the cylinder).  
inflammable material. Some  
mufflers are equipped with a  
special spark arrest screen. If  
your machine is fitted with  
this type of screen it should  
be cleaned regularly. This is  
done using a wire brush. On  
mufflers without a catalytic  
converter the screen should  
be cleaned weekly, or  
2
Clean the cooling system  
using a brush at least once a  
week, in difficult conditions  
more often.  
A dirty or blocked cooling  
system leads to the engine  
overheating resulting in  
damage to the cylinder and  
piston.  
1
replaced if necessary. On  
mufflers fitted with a  
catalytic converter the  
screen should be checked  
and cleaned monthly. If the  
screen is damaged it should  
be replaced. If the screen is  
frequently blocked, this can  
be a sign that the function  
of the catalytic converter is  
impaired. Contact your  
dealer to inspect the muffler.  
A blocked screen will cause  
the engine to overheat  
resulting in damage to the  
cylinder and piston. Also see  
under Maintenance.  
NOTE!  
Never use a machine with a defective muffler.  
WARNING!  
Mufflers fitted with catalytic converters  
become extremely hot during use and  
after stopping. This also applies at idling  
speeds. Contact can result in burns to  
the skin. Be observant to the risk of fire!  
!
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MAINTENANCE  
Air filter  
Spark plug  
The air filter should be  
cleaned regularly removing  
dust and dirt to avoid:  
carburetor malfunction  
starting problems  
reduced engine power  
unnecessary wear to  
engine parts  
The condition of the spark  
plug is affected by:  
An incorrect carburetor  
setting.  
An incorrect fuel  
mixture (too much or  
faulty oil).  
0,5 mm  
A dirty air filter.  
abnormal fuel  
consumption  
These factors cause  
deposits on the spark plug  
electrode that may result in  
malfunction or starting  
difficulties.  
If the machine is low on power, difficult to start or runs  
poorly while idling always check the spark plug first.  
Clean the filter after every  
25 hours or more regularly  
if operating conditions are  
exceptionally dusty.  
Cleaning the air filter  
Dismantle the air filter  
cover and remove the air  
filter. Wash in clean, warm  
soapy water. Ensure that the  
If the spark plug is dirty, clean it and at the same time check  
that the electrode gap is 0.5 mm. The spark plug should be  
changed after about one month of operation or earlier if  
necessary.  
filter is dry before refitting. An air filter used for a long period  
of time can never be cleaned completely. Therefore it is  
necessary to replace the filter from time to time with a new  
filter. A damaged air filter must always be replaced.  
NOTE! Always use the recommended type of spark plug. An  
incorrect spark plug can damage the cylinder/piston.  
Filing the grass blade  
WARNING!  
Always stop the engine before starting  
work on any part of the cutting equipment.  
!
Angle gear  
This continues to rotate even after the  
throttle has been released. Ensure that the  
cutting equipment has stopped completely  
and remove the cable from the spark plug  
before you start to work on it.  
The angle gear is filled  
with a sufficient quantity  
of grease at the factory.  
However, before using the  
machine you should check  
that the angle gear is filled  
to 3/4 with grease. Use  
JONSERED special grease.  
See the cutting  
equipments packaging  
for correct filing  
instructions.  
Normally, the grease does  
not need to be changed  
except when the angle gear  
is repaired.  
The blades are sharpened  
using a single cut flat file.  
Sharpen all edges equally  
to maintain the balance  
of the blade.  
WARNING!  
Always discard a blade that is bent,  
twisted, cracked, shattered or damaged in  
any other way. Never attempt to straighten  
a twisted blade for use again. Only use  
original blades of the prescribed type.  
!
English 27  
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MAINTENANCE  
NOTE: Use only JONSERED replacement parts. Use of other  
Sharpening the clearing blade  
brands of replacement parts can cause damage to your unit or  
injury to the operator or others. Your warranty does not cover  
damage or liability caused by the use of accessories and/or  
attachments not specifically recommended by JONSERED.  
WARNING!  
Incorrect cutting equipment or an  
incorrectly sharpened blade increases  
the risk of kickback.  
!
Maintenance schedule  
Below you will find some general maintenance instructions.  
See the cutting  
equipments packaging  
for correct filing  
instructions.  
Daily maintenance  
Check throttle trigger and throttle trigger lockout function.  
Check stop switch function.  
Check that blade/trimmer head does not rotate at idling.  
Clean the exterior of the machine.  
A correctly sharpened  
blade is a prerequisite for  
working efficiently and to  
avoid unnecessary wear to  
the blade and clearing  
saw.  
Check that the harness is undamaged.  
Check the blade guard for damage or cracks.  
Change the guard in case of impacts or cracks.  
Check that the blade is properly centred, sharp, and without  
cracks.  
Check the trimmerhead for cracks and chips or damage.  
Replace if necessary.  
Make sure that the blade  
is well supported when  
you use the file. Use a 5.5  
mm round file with a file  
holder.  
A non-balanced blade/trimmer head induces heavy  
vibrations that may damage the machine.  
Check that the blade nut is sufficiently tightened.  
Make sure that the blade transport guard is undamaged and  
that it can be securely fitted.  
The sharpening angle is  
15°. Every other tooth is  
sharpened to the right  
and the intermediate  
Check that nuts and screws are sufficiently tightened.  
Weekly maintenance  
Check the starter, especially cord and return spring.  
Clean the carburetor area.  
tooth to the left. When  
the blade has been heavily  
pitted by stones the upper  
side of the teeth can, in  
exceptional cases, need to  
be dressed using a flat file.  
In such cases this takes  
place before sharpening  
with the round file.  
Clean the exterior of the spark plug.  
Remove it and check the electrode gap.  
Adjust it to 0,5 mm (.020"), or change the spark plug.  
Clean the cooling fins on the cylinder and check that the air  
intake at the starter is not clogged.  
Check that the angle gear is filled with grease up to 3/4. Use  
special grease.  
Clean the air filter.  
Dressing the top side  
must be carried out  
equally for all teeth.  
Clean or replace the mufflers spark arrest screen (not on  
mufflers with a catalytic converter).  
Adjust the setting. This  
should be 1 mm.  
Monthly maintenance  
Clean the fuel tank.  
Clean the exterior of the carburetor and the space around it.  
Clean the fan and the space around it.  
Check fuel hose for cracks or other damage. Change if  
necessary.  
Change fuel filter in fuel tank.  
Check clutch, clutch spring and clutch drum for wear.  
Change if necessary.  
Check electrical wires and connections.  
Change the spark plug.  
Change the airfilter.  
Check and clean the mufflers spark arrest screen if necessary  
(only mufflers with a catalytic converter).  
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TECHNICAL DATA  
Technical data  
GR 2026D  
GR 2032D  
GR 2036  
Engine  
Displacement, cu. in/cm3  
Cylinder bore, inch/mm  
Stroke length, inch/mm  
Idling speed, rpm  
1,64/26,9  
1,38/35  
1,10/28  
1,88/30,8  
1,38/35  
1,26/32  
2,21/36,3  
1,50/38  
1,26/32  
2 700  
2 700  
2 700  
Recommended max. speed, rpm  
Speed of output shaft, rpm  
Max. engine output, acc. to ISO 8893  
Catalytic converter muffler  
Speed-regulated ignition system  
11 000-11 700  
10 000  
0,9 KW/ 9 000 rpm  
Yes  
11 000-11 700  
10 000  
1,1 KW/ 8 400 rpm  
Yes  
11 000-11 700  
10 000  
1,3 KW/ 9 000 rpm  
Yes  
Yes  
Yes  
Yes  
gnition system  
Manufacturer/type of ignition system  
Walbro CD  
Walbro CD  
Walbro CD  
Spark plug  
Champion RCJ 7Y  
NGK BPMR7A  
0,02/0,5  
Champion RCJ 7Y  
NGK BPMR7A  
0,02/0,5  
Champion RCJ 7Y  
NGK BPMR7A  
0,02/0,5  
Electrode gap, inch/mm  
Fuel lubrication system  
Manufacturer/type of carburetor  
Fuel tank capacity, US pint/litres  
Walbro WT  
1,06/0,5  
Walbro WT  
1,06/0,5  
Walbro WT  
1,06/0,5  
Weight  
Weight without fuel, cutting tool and  
guard, Lbs/kg  
13,2/6,0  
93/99  
14,3/6,5  
90/100  
16,1/7,3  
92/101  
Sound levels (se note 1)  
Equivalent sound pressure level at the  
users ear, measured according to ANSI  
B175.3-1997, dB(A), min/max:  
Vibration levels  
Vibration levels on the handles, measured  
according to ANSI B175.3-1997, m/s2  
When idling, left/right handles, min:  
When idling, left/right handles, max:  
At max. speed, left/right handles, min:  
At max. speed, left/right handles, max:  
2,0/2,2  
2,2/3,0  
1,8/2,1  
2,5/3,6  
2,5/2,5  
3,0/3,5  
2,0/2,0  
5,1/4,9  
2,2/2,7  
2,7/4,3  
3,5/5,0  
4,5/6,2  
Note 1: Equivalent sound pressure level is calculated as the time-weighted energy total for sound pressure levels under various  
working conditions with the following time distribution: 1/2 idle and 1/2 max. speed.  
NOTE! Sound pressure at the users ear and vibration on the handles are measured with all the machines approved cutting  
equipment fitted. The table indicates the highest and lowest values.  
English – 29  
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TECHNICAL DATA  
Type  
Approved accessories GR2026D  
Centre hole in blades Ø 20 mm  
Threaded blade axle M10  
Grass blade  
Cutting attachment  
guard Art No.  
Grass 255-4 (255 4-teeth)  
Grass 255-8 (255 8-teeth)  
Multi 255-3 (255 3-teeth)  
Opti X 200-26 (200 26-teeth)  
Polytrim 300  
Trimmy H II  
Tap-N-Go Pro  
Auto32  
Fixed  
503 74 40-03  
503 74 40-03  
503 74 40-03  
503 77 39-01  
503 74 50-03  
503 74 50-03  
503 74 50-03  
503 74 50-03  
-
Saw blade  
Plastic knifes  
Trimmer head  
Support cup  
Approved accessories GR2032D  
Centre hole in blades Ø 20 mm  
Threaded blade axle M10  
Grass blade  
Type  
Cutting attachment  
guard Ref No.  
Grass 255-4 ( 255 4-teeth)  
Grass 255-8 ( 255 8-teeth)  
Multi 255-3 ( 255 3-teeth)  
Multi 275-4 ( 275 4-teeth)  
Opti X 200-26 (∅ 200 26-teeth)  
Polytrim 300  
Trimmy H II  
Tap-N-Go Pro  
Auto32  
Fixed  
503 74 40-03  
503 74 40-03  
503 74 40-03  
503 74 40-03  
503 77 39-01  
503 74 50-03  
503 74 50-03  
503 74 50-03  
503 74 50-03  
-
Saw blade  
Plastic knives  
Trimmer head  
Support cup  
Approved accessories GR2036  
Centre hole in blades Ø 20 mm  
Threaded blade axle M12  
Grass blade  
Type  
Cutting attachment  
guard Ref No.  
Multi 255-3 (255 3-teeth)  
Multi 275-4 (275 4-teeth)  
Multi 300 (300 3-teeth)  
Grass 275-4 (200 26-teeth)  
Opti X 200-26 (∅ 200 26-teeth)  
Tricut 300  
503 89 52-03  
503 89 52-03  
503 89 52-03  
503 89 52-03  
503 77 39-01  
503 74 50-03 / 503 89 52-03  
503 74 50-06  
Saw blade  
Plastic knives  
Trimmer head  
Trimmy SII  
Trimmy S  
503 74 50-03  
Support cup  
Fixed  
With bearing  
-
-
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EMISSION CONTROL WARRANTY STATEMENT  
WHAT IS COVERED  
YOUR WARRANTY RIGHTS AND  
OBLIGATIONS  
REPAIR OR REPLACEMENT OF PARTS  
Repair or replacement of any warranted part will be perfor-  
med at no charge to the owner at an approved Jonsered  
servicing dealer. If you have any questions regarding your  
warranty rights and responsibilities, you should ontact your  
nearest authorized servicing dealer or call Jonsered, at  
Sweden +46 36 14 65 00.  
The EPA (U.S. Environmental Protection Agency),  
Environment Canada and Jonsered are pleased to explain  
the emissions control system warranty on your 2001 and  
later small off-road engine. In U.S. and Canada, new  
small off-road engines must be designed, built and  
equipped to meet the federal stringent antismog  
standards. Jonsered must warrant the emission control  
system on your small off-road engine for the periods of  
time listed below provided there has been no abuse,  
neglect or improper maintenance of your small off-road  
engine. Your emission control system includes parts such  
as the carburetor the ignition system and catalytic  
converter.  
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 ”repair or replace as  
necessary” shall be warranted for 2 years. Any warranted  
part which is scheduled for replacement as required  
maintenance shall be warranted for the period of time up to  
the first scheduled replacement point for that part.  
DIAGNOSIS  
Where a warrantable condition exists, Jonsered will repair  
your small off-road engine at no cost to you including  
diagnosis, parts and labor.  
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.  
MANUFACTURER’S WARRANTY  
CONSEQUENTIAL DAMAGES  
Jonsered may be liable for damages to other engine  
components caused by the failure of a warranted part still  
under warranty.  
COVERAGE  
The 2001 and later small off-road engines are warranted  
for two years. If any emission related part on your engine  
is defective, the part will be repaired or replaced by  
Jonsered.  
WHAT IS NOT COVERED  
All failures caused by abuse, neglect or improper  
maintenance are not covered.  
OWNER’S WARRANTY  
RESPONSIBILITIES  
ADD -ON OR MODIFIED PARTS  
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.  
As the small off-road engine owner, you are responsible  
for the performance of the required maintenance listed in  
your Owner’s Manual. Jonsered recommends that you  
retain all receipts covering maintenance on your small off-  
road engine, but Jonsered cannot deny warranty solely for  
the lack of receipts or for your failure to ensure the  
performance of all scheduled maintenance.  
HOW TO FILE A CLAIM  
If you have any questions regarding your warranty rights and  
responsibilities, you should contact your nearest authorized  
servicing dealer or call Jonsered, at Sweden +46 36 14 65 00.  
As the small off-road engine owner, you should however  
be aware that Jonsered may deny you warranty coverage  
if your small off-road engine or a part has failed due to  
abuse, neglect, improper maintenance or unapproved  
modifications. You are responsible for presenting your  
small off-road 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.  
WHERE TO GET WARRANTY SERVICE  
Warranty services or repairs shall be provided at all  
Jonsered authorized servicing dealers.  
MAINTENANCE, REPLACEMENT 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 14 65 00.  
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.  
WARRANTY COMMENCEMENT DATE  
EMISSION CONTROL WARRANTY  
PARTS LIST  
The warranty period begins on the date small nonroad  
engine is delivered.  
1. Carburetor and internal parts  
LENGTH OF COVERAGE  
2. Intake pipe, airfilter holder and carburetor bolts.  
3. Airfilter and fuelfilter covered up to maintainance schedule.  
4. Ignition System  
Jonsered warrants to the initial owner and each  
subsequent purchaser that the engine is free from efects  
in materials and workmanship which cause the failure of a  
warranted part for a period of two years.  
a) Spark Plug, covered up to maintenance schedule  
b) Ignition Module  
5. Muffler with catalytic converter  
MAINTENANCE STATEMENT  
The owner is responsible for the performance of all required  
maintenance, as defined in the operator’s manual.  
English – 31  
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Auto 32  
1
2
3
6
4
5
4,0 m  
13'  
15 cm  
~2,0 m  
6,5  
6
"
'
15 cm  
6
8
7
"
9
10  
32– English  
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Poly Trim  
1
2
>20mm  
B
A
3
4
5
>20mm  
7
6
6 Nm  
!
8
X 10  
English – 33  
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Tap-N-Go Pro  
1
2
3
4
7,5 m  
25'  
15 cm  
6"  
~ 3,7 m  
12'  
5
6
9
7
8
15 cm  
6"  
11  
10  
12  
1.)  
2.)  
15 cm  
6"  
“Click”  
34– English  
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Trimmy H II  
1
2
3
4
15 cm  
6"  
7,5 m  
25'  
~ 3,7 m  
12'  
7
5
6
8
9
2
1
15 cm  
6"  
English – 35  
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Trimmy SII  
1
2
7,0 m  
23'  
12 cm  
5"  
~ 3,5 m  
11'  
3
4
~ 15 cm  
7
5
6
6'  
"Clic"  
8
9
35-50 NM  
36– English  
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Trimmy SII  
~ 15 cm  
6'  
1
2
3
4
N
~ 15 cm  
6'  
502 26 04-01  
502 25 56-01  
502 25 53-01  
729 53 27-71 (x3)  
738 21 03-04  
502 26 24-01 (x2)  
740 43 14-00  
502 26 03-01  
502 25 52-01  
502 26 01-01  
735 31 19-00  
502 27 07-01  
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