Lea LE25517B User manual

ES MANUAL DE INSTRUCCIONES
IT LIBRETTO D’ISTRUZIONI
EN INSTRUCTION MANUAL
PT MANUAL DO OPERADOR
FR MANUEL D’INSTRUCTIONS
BRUSHCUTTER /
ROÇADEIRA /
LE25254BP/LE25326BP
DESBROZADOR /
DECESPUGLIATORI /
DÉBROUSSAILLEUSE /
LE25427B / LE25517B

2
1. Introduction
4. Machine symbols
5. Machine description
7. Machine usage
9. Trouble shooting
10. Transport
12. Recycling
Declaration of conformity CE
are sure that you will appreciate the quality of the
machine and that the machine will help you to carry
out its required functions for a long period of time.
Remember that this machine comes with a large and
machine for maintenance, repair or for purchase of
spare parts and accessories.
SECURITY COMES FIRST.
Attention! Read all the security warnings
and the instruction manual. Non
compliance could result in fire and/or a
serious injury. Before using the machine read the
manual carefully and especially that related to secure
and correct start up.
Keep all the warning signs and the manual for
future reference. If you sell the machine, remember
to pass on the manual to the new owner.
Use this brushcutter only to cut grass and
small bushes. Any other type of usage is dangerous
for other jobs. For example, do not use the machine
material. The use of the machine for other uses could
be dangerous.
The manufacturer will not be liable for damages
caused by an inadequate or incorrect use of the
machine.
INDEX 1. INTRODUCTION
6
6
7
9
13
15
17
19
19
19
20
21
1
3
2. Safety rules and precautions
6. Start up instructions
8. Maintenance and service
LEA

3
ENGLISH
To avoid incorrect manipulation of this
machine, read the instruction manual before
using the machine for the first time. All
information included in this manual is relevant and
important for your security as well as for the security
of other people, animals and objects surrounding
you. Should you have any doubts with respect to
the information contained in this manual, please
purchased the machine.
2.1. USERS
This machine has been designed to be used by people
over 18 and who have read and understood the
instruction manual.
Attention! Do not allow underage people to use
the machine.
Attention! Do not allow people who have not
understood this manual clearly to use this machine.
Before using this machine, familiarise yourself with all
the controls, security devices and how these are used.
If you are not an expert user, we strongly recommend
that you practice firstly with some simple chores
preferably in the presence of an expert user.
Attention! Only lend this machine to people
familiarised in the use of this type of machine.
Always lend the machine with the instruction
manual so that this new user reads it in detail and
understands it. This machine is dangerous if used
by untrained hands.
2.2. PERSONAL SECURITY
Be alert and vigilant when using this machine and
use common sense.
Do not use this machine if tired or under the
influence of drugs, alcohol or medicines. One
moment of distraction could cause severe personal
injuries.
Clear the work place of tools and keys prior to start
up.personal damages.
Do not overstretch. Maintain your feet well placed
on the floor and maintain a good equilibrium at all
times.
Maintain all body parts well clear of the cutting
elements of the machine when the machine is
running. element is not in contact with any object. One small
lapse in attention can cause your clothes or any body
part to be caught by the cutting device.
Always use the brushcutter held to a harness and hold
the machine by the handles provided with both hands.
Be extremely careful when cutting shrubs and young
trees. Thin materials can be projected towards the end
are an inexperienced user, we recommend that you
practice first cutting grass on a flat surface.
handles, with the engine stopped, with the blade
protector and at a distance from your body parts.
2. SECURITY MEASURES

4
cover the blade. An appropriate use of the machine
the cutting elements.
Store the machine well away from children.
2.2.1. WORK CLOTHES
Dress adequately. Do not wear loose clothing or
jewels. Maintain your hair, clothes and gloves well
away from all moving parts.
Use eye and ear protection always when using the
machine.
The noise of the machine is uncomfortable. Always
use ear protection. If you use this machine very often,
capacity.
Attention! As you are working with ear
protectors, you must pay more attention
to visual warnings as you will hear less
because of the ear protectors.
for head, hands, arms and feet.
from projected debris and in case of contact with the
cutting elements of the machine.
You must always carry:
2.2.2. VIBRATIONS
The prolonged use of the machine, exposes the
client to vibrations that in extreme cases and
through many hours of use of the machine could
cause the ¨white finger syndrome¨ also known as
Raynaud phenomenon. This causes a reduction in
the tact of the fingers and their capacity to regulate
the nerve endings.
The exposure to the vibrations is the cause
of the white finger syndrome. To minimise
this effect as much as possible, follow the
following recommendations:
If you detect any of the symptoms of the white finger
syndrome, consult immediately with your doctor.
2.3. SECURITY IN THE WORKPLACE
Maintain the working area always clean and only
work with good illuminationplaces cause accidents.
Do not work with the machine in areas with an
explosive atmosphere or near inflammable liquids,
gases or dust.
Maintain children and passers-by well clear when
working with the machine. Distractions can cause a
Ensure that neither children, passrs-by nor animals

5
ENGLISH
2.4. SECURITY WHEN USING FUEL
IMPORTANT: The fuel used is highly
inflammable. If the fuel or the machine
catch fire, fight the flames with a dry dust
fire extinguisher.
Always avoid eye contact with the fuel and the oil. If
petrol or oil were to come into contact with your eyes,
clean these immediately with clean water. If your eyes
are still irritated, visit the doctor immediately.
Do not smoke when handling fuel, when
When refilling, ensure that the machine is turned
off and that the engine is cold. Do not refill with the
engine on or when the engine is hot. In case of fuel
Do not refill fuel in closed areas or near flames.
Store excess fuel in homologated recipients that
comply with European legislation.
2.5. USE AND CARE OF THE MACHINE
Only use this brush cutter to cut grass
and small shrubs. Any other use could
be dangerous and at your own risk. Do
not use the brush cutter for other jobs for which it
has not been designed. For example: do not use the
brush cutter to cut logs or other wooden objects,
The use of this brush cutter for jobs different to those
stipulated can create dangerous situations.
Use this machine and its accessories
according to the instructions provided and
taking into account working conditions
and work to be done. The use of this machine for
jobs different to those stipulated can cause danger.
The manufacturer will not be responsible for damages
Do not force the machine over its capacity. Use the
machine for the correct job. The use of the machine
more safely.
Do not use this machine if the open and closed
switch does not work. Any machine that cannot be
controlled by the open and closed switch is dangerous
and must be repaired.
Keep the machine with a good maintenance. Ensure
all moving parts are aligned and that no other parts
are damaged or broken. If the machine is damaged,
repair before use.machines are poorly maintained.
Maintain the cutting elements sharp and clean.
Cutting elements that are clean and well sharpened,
Maintain the handles of these machines dry and
clean. Oily or greasy handles are slippery and will
cause loss of control of the machine.
Switch off the machine and unplug the spark plug
before carrying out any adjustments to any part
of the machine and before storage. Such security
2.6. SERVICE
Periodically take your machine for revision by a
qualified after sales service and use only original
spare parts. This will guarantee that the machine is

6
use of the machine.
In order to ensure safe operation and maintenance of
the machine are the following symbols in the machine.
Air positions:
This area will be of a diameter of 15
meters from the point in which you are
protective steel.
Sense of rotation.
Never use only fuel or fuel in a bad
state. Mix unleaded fuel grade 95 and
Use appropriate security gloves.
It is necessary to use eye and acoustic
protection at any time.
It is necessary to read this manual
carefully before using this machine.
Attention!: Do not touch the cutting blade.
Attention!, Danger!: The cutting tool can
project hard objects.
Caution! Hot Surface.
combustible or the machine.
Open = Normal operating position.
Located in the top of the filter.
Open = Normal operating position.
Located in the top of the filter.
Position for starting the machine in cold.
Located on the of air filter cover.
Position for starting the machine in cold.
Located on the of air filter cover.
Positions start switch located on the right
handle of the machine.
3. WARNING SYMBOLS
4. MACHINE SYMBOLS
Caution! Maximun speed of gear
XXXX min-1.

7
ENGLISH
5.1. CONDITIONS OF USAGE
other wooden objects or of any other material.
5.2. DETAILED DESCRIPTION OF THE PRODUCT
1. Transmission.
2. Throttle trigger.
3. Switch starter.
4. Safety lever.
5. Handlebar.
6. Hitch of harness.
7. Air filter cover.
10. Starter handle.
11. Air clutch.
12. Protector.
13. Nylon cutting blade.
14. Nylon line head.
15. Gear box.
16. Guard support.
5. MACHINE DESCRIPTION
1
6
12
13
14
7
8
10
11
4
5
2
9
3
15
16

8
5.3. TECHNICAL CHARACTERISTICS
The technical characteristics can be changed without prior warning.
Description Brushcutter
Brand LEA
Model
Engine Cylinder capacity 3Engine speed at idle speed -13.000
-19.000
Capacity of deposit 3Cutting tool Blade 254
Nylon head 420
Blade Nylon head Ø 2,5
Number of cutting edges Blade Nylon head 25,4
Maximum permitted speed Blade 11.000
Nylon head 10.000
27,2
90
107,6
25326BP25254BP 25427B 25517B
32,6
25,4 42,7 51,7
0,7 1,05 1,2 1,45
6,8
5,6 7,5 7,5
900
650 1200 1200
Maximum rotation of the head tool 6.700
3.000
9.000
6.700
9.000 9.000
8,200 8,200
3.000 3.000
7,2
90
107,6 108,5
8,0
92,5 92,3
108,4
6,92

9
6.1. LIST OF MATERIALS
This machine includes the following elements that you
will find inside the box:
6.2. MOUNTING THE MACHINE
6.2.1. INSTALLATION OF THE HANDLEBAR
Handlebar mounted:
Handlebar turning
possibility:
6.2.2. INSTALLATION OF TRANSMISSION
6.2.3. INSTALLATION OF PROTECTOR
Protective support
Protector
Protector
Protector flap
6. START UP INSTRUCTIONS

10
screwdriver through the transmission hole and the
notch on the plate.
6.2.4. DESCRIPTION OF THE CUTTING ATTACHMENT
1. Steel disc.
2. 2 wire head.
3. Sheet with notch for coupling the head or disc.
4. Sheet.
5. Protective bell of the disc.
6. Protective hood of the disc.
7. Disc nut.
8. Saucer. 6.2.6. ASSEMBLY OF THE STEEL DISC
21

11
6.2.7. HARNESS INSTALLATION
6.3. CHECK POINTS BEFORE STARTING
Do not use this machine if it becomes
damaged or wrongly regulated.
Use this machine for the purpose for which it was
designed. Any other use may be dangerous for the
user to the machine and for people, animals and
things you may have around.
repair or replace everything you need before using
the machine.
- Verify that the protective screen is properly
attached to the brush cutter.
necessary.
- Do not use attachments on this machine out of
our recommendations because their use may
cause serious injury to the user, the machine and
the people, animals and things close to the
machine.

12
6.3.1. GASOLINE AND OIL MIX
ATTENTION: Motor fuel is highly flammable.
If the fuel or the machine burns, put the fire
off with a fire dust extinguisher.
Use unleaded fuel of 95 ° and 100% synthetic oil for
Do not use fuel with ethanol or methanol because will
damage the engine.
Motor Fuel:
Mix gasoline and oil in a bottle
homologated for this use.
Do not approach any flame or hot element
to the fuel.
engine is running.
cold. Do not refuel while the engine is running or hot.
In case of combustible spill clean the entire area with
the help of a cloth.
ventilated place.
according to current regulations.
If you will mix more combustible just prepare the
amount you will use the short term. Do not use
fuel that has been stored over two months. The
fuel stored for long periods lose its characteristics
performance.
6.3.2. FILLING THE FUEL TANK
1. Choose an open are ato perform this situation
2. Stay away from the area where you have made the
preparation of the mixture.
fuel mixture without completing the full.
4. Close tighly the fuel cap and remove all traces of
fuel that have been spilled with a rag.
refueling.
Do not perform this operation in an
enclosed or poorly ventilated.
Stay away at least 3 meters from the zone
where you have refueled before started the
machine.
6.4. START UP
6.4.1. START UP IN COLD
.
5. Pull the starter rope until you hear the engine start.
7. If the engine exploded but did not actally start
running, pull the start rope again until it starts.

13
Allow the engine to warm up for approximately one
6.4.1. STARTING THE MACHINE FROM HOT
position.
3. Pull the start rope until the machine starts.
If the machine does not start after pulling at the rope a
few times, please refer to the cold start up section.
6.4.2. ENGINE STOPPAGE
at idle speed for a few seconds.
2. Stop the engine by displacing the switch from the
Only use this machine for those jobs for
which it has been designed. The use of this
brush cutter for other uses is dangerous and
could cause damages to the user and/or the machine.
Do not bring any cutting elements near
when the machine is in use and the
engine running.
Do not rely solely on the warning signs on the
machine. Be always alert.
Do not use the machine if you are feeling
tired, unwell or under the effects of
medication, intoxicating substances or
alcohol.
Lack of sleep and fatigue can cause accidents and
damages. Limit the usage time of the machine to 10
minutes and rest a further 10 to 20 minutes between
It is neccesary to pay attention to posible loosening
or overheating of parts of the machine. If you detect
the repair service. In any case you should continue
Putt he harness before starting the machine and set
the machine to harness. Always hold the unit with
both hands on the handlebars and support the weight
Remember to always use the machine with clean
hands and without petrol and oil. Be particularly
attentive if you use the machine under the rain as the
ground will be slippery.
7. MACHINE USAGE

14
If you slip or fall stop accelerating and move the
Clean the work area and eliminate any obstacles
that could cause accidents. and remove any objects that could cause the nylon
head of the machine to get tangled on. Also remove
any parts that the disc could violently hit causing
these to move in the direction of the user or other
people and/or animals.
All other people must be at least at a distance of 15
metres as it is a dangerous area.
Do not use this machine at night, with fog and with
It is imperative that the engine is turned off when
carrying the machine from one working area to
another. Do not start the machine in a closed area.
The exhaust fumes, the vapours of the petrol and
the chain oil, all contain carbon monoxide and other
dangerous chemical substances.
In case of gas concentration due to
insufficient ventilation, eliminate from the
until it is well ventilated and the gas concentration
does not happen again.
Never leave this machine unattended.
Never touch elements that can be hot during
the start up or operating the machine, for
Always regulate the machine on a flat and stable
surface.
Do not use accessories except those recommended
by our company as otherwise the use of other non
original accessories could cause severe damages to
the end user, to passers-by and to the machine.
7.1. CUT WITH THE HEADER OF WIRE
can cause serious damage to the head and the eyes.
this unit.
Use the head line in difficult areas. If the header hits a
status. Do not use damaged or poorly balanced heads.
Remember that the end of the nylon threat is the one
introduce the entire head in the cutting area. Enter
the head slowly and let the nylon tips cut the grass at
their own pace.
1. Hold the brush cutter in the way that the head do
not touch the ground and with an inclination of
20º in the sense you are cutting.
the grass fall into the cutting area.
Be careful to not hit the head
ground. The beatings against
objects or the ground will
reduce the life of the head,
may spoil creating a dangerous
environment for you and the
people close to you.
The nylon threads are shortened with the use, when
they are too short accelerate the engine and press the
head against the ground. Then leave wire from the
head. If you leave too much wire the blade will cut in
excess.

15
not operate the brush
cutter in areas with
metallic materials. Always use the
proper protective equipment. Don’t
use this machine in areas where
you can’t see properly.
7.2. CUT WITH THE DISC
and there are no signs of damage or abrasion.
installed in accordance with the instructions and
that the disc spins freely without producing
abnormal sounds.
7.2.1. CUTTING METHOD:
1. Cut with the left front of the disc
slightly inclined to the left.
IMPORTANT:
- Only use this machine to cut grass. Do not let
the disc touch materials that can not cut as stones,
metals, hard wood, wire mesh, etc.
- Keep the blade sharp. A bad sharpened disc cause
a higher cutting force on the machine as well as
- Keep the area to be cut clean with no traces of
chopped vegetables or other materials.
It is necessary to always turn off the engine and
transporting or modify the cutting tool.
and areas near the air filter.
Never try adjustments in the machine if it is running
and / or attache to the user by the harness. Perform
all maintenance of the machine when is set on a flat
and clear surface.
Use only suitable spares to get a proper performance
for this machine. This replacement can be found on
the official distributor of the machine. Using other
people around the machine.
Before performing any maintenance or repair the
that the machine is correct. For a thorough inspection
Air filter
- The dirt in air filter will cause a reduction in
element. If you notice damage or alterations
replace it with a new filter.
Carburetor adjustment
- Carburetor adjustment is complicated and should
be done only by the service.
8. MAINTENANCE AND SERVICE

16
Fuel filter
end of the suction pipe and can be removed with
and cause malfunctions or stop it.
with gasoline.
Check the spark
The most common problems when starting a machine

17
on the symptoms, we provide you with a series of probable causes and the solutions:
The compression
of the cylinder
is normal
The spark
is fine Probable cause Corrective action
Fuel filter is dirty
The switch is “OFF’”
properly connected
The piston and
the rings are worn
The cylinder is scratched
Galling Motor
Used fuel is not correct
Dirty carburator
Refill fuel
Clean the filter
Replace
Putt he switch “I”
Connect
Press
Send your machine for service
Send your machine for service
Send your machine for service
Change a fuel with an octane
rating appropriate
Send your machine for service
Yes
Yes
Compresion
failure
Motor do not spin
Yes
No
Yes
9. TROUBLE SHOOTING

18
Sympton
The machine oscilates
The engine overheats
The engine does
not go round
The engine stops or can not
stand idle
Probable cause Corrective cause
Piston used
Uninterrumped overuse
Dirty exhaust pipe
Not correct fuel
Carburetor
Dirty air filter
Dirty fuel filter
Carburetor incorrectly adjusted
Send your machine for service
Send your machine for service
Send your machine for service
Send your machine for service
Send your machine for service
Change fuel
Send your machine for service
Clean the filter
Clean the filter
Send your machine for service

19
If you are going to transport the machine in a vehicle,
machine from sliding or falling over from side to side.
It is always neccesary to turn off the motor before
transport the machine.
Always carry the machine with the motor off, with the
machine hanging from the harness and use the blade
does not touch the ground
storing or transporting the machine.
accessible to children.
Always set the blade guard.
If you are going to store the machine in a closed place
drain the fuel of the deposit because the steam could
contact with a flameo r a hot element and swollen.
machine.
The exhaust pipe of the machine will remain hot after
the motor shutdown. Do not ever store the machine
or fuel.
Protect the Environment. Recycle used oil by this
follow local recommendations. Do not
seas.
Dispose of your machine in an ecological
machine with our domestic rubbish. Its
plastic and metal components can be reclassified and
can be recycled
10. TRANSPORT
11. STORING
12. RECYCLING OR DISPOSAL OF
YOUR MACHINE

20
13.1. WARRANTY PERIOD
- According to the following described terms
the purchase date, and it will cover faulty pieces
owing to an incorrect manufacture.
13.2. EXCLUSIONS
The warranty does not cover:
- Pieces worn out due to wear and tear.
- Failures that turn out because of an incorrect use
of the product, Dunsch will not be responsible if
the replaced parts of the machine are not from
any way.
13.3. TERRITORY
- Dunsch warranty covers the country.
13.4. IN CASE OF INCIDENCE
- The warranty should be correctly filled in with all
the information requested, and the invoice or the
WARNING!
PLEASE READ CAREFULLY THE USER
MANUAL BEFORE USING THE MACHINE.
13. WARRANTY
and if the machine has been modified in
Dunsch
This manual suits for next models
3
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