225L/LD 227L/LD
232L 240L
Operator's manual (CARB, EPA)
Read through the Operator‘s Manual carefully and
understand the content before using the machine.
101 89 80-95
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CONTENTS
Husqvarna AB 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 machine‘s safety equipment .......................................... 4
Control, maintenance and service of the machine‘s safety
equipment...................................................................... 6
Cutting equipment .............................................................. 7
General safety instructions ................................................... 8
General working instructions ............................................... 9
Basic working techniques ..................................................... 9
WHAT IS WHAT?
What is what on the trimmer?............................................ 11
ASSEMBLY
Assembling the loop handlebar .......................................... 12
Assembly of the trimmer head............................................ 12
Assembling the spray guard and trimmer head
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.
!
Your warranty does not cover damage or
liability caused by the use of non-
authorized accessories or replacement
parts.
Superauto II ................................................................. 12
Assembling other guards and cutting equipment................ 13
Assembling and dismantling the two-part shaft
(225LD, 227LD) ......................................................... 13
FUEL HANDLING
Fuel mixture ...................................................................... 14
Fuelling.............................................................................. 14
START AND STOP
Control before starting....................................................... 15
Start and stop..................................................................... 15
MAINTENANCE
Carburetor ......................................................................... 16
Muffler .............................................................................. 18
Cooling system .................................................................. 18
Air filter ............................................................................. 18
Spark plug.......................................................................... 19
Angle gear .......................................................................... 19
Two-part shaft.................................................................... 19
Maintenance schedule ........................................................ 19
TECHNICAL DATA
This decal certifies that the product has been approved in
accordance with American exhaust emissions requirements
EPA 1 and CARB 95.
225L/LD ........................................................................... 20
227L/LD ........................................................................... 20
232L .................................................................................. 20
240L .................................................................................. 21
FEDERAL AND CALIFORNIA EMISSION CONTROL
WARRANTY STATEMENT
Your warranty rights and obligations .................................. 22
English – 3
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SAFETY INSTRUCTIONS
Personal protective equipment
The machine‘s safety equipment
This section describes the machine‘s 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.)
MPORTANT INFORMATION
•
A clearing saw, brushcutter or trimmer used
incorrectly or carelessly can become a dangerous
tool, that can cause serious or 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 trimmer, personal 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
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
to their original positions.
This takes place via two
independent return spring
systems. This means that the
throttle is automatically
locked in its “idling“
GLOVES
Gloves should be worn
when necessary, e.g., when
assembling cutting
equipment.
B
EAR PROTECTION
Ear protection offering
sufficient dampening
effect should be used.
A
EYE PROTECTION
Blows from branches or
objects thrown by the
rotating cutting
equipment can damage
the eyes.
B
position.
2. Stop switch
BOOTS
Use anti-slip and stable
boots.
The stop switch should be
used to stop the engine.
"
3. Cutting
attachment guard
CLOTHING
Wear clothes made of a
strong fabric and avoid
loose clothing that can
catch on shrubs and
branches. Always wear
heavy, long pants. Do not
wear jewelry, short pants,
sandals or go barefoot.
Secure hair so it is above
shoulder level.
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.
WARNING!
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.
FIRST AID KIT
!
A first aid kit should be
carried by operators of
clearing saws, brushcutters
or trimmers.
4 – English
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SAFETY INSTRUCTIONS
5. Muffler
4. Vibration
damping system
The muffler is designed to
give the lowest possible noise
level and to direct the engine‘s
exhaust fumes away from the
operator. Muffler fitted with
catalytic converter is also
Your machine is equipped
with a vibration damping
system, which is designed
to give as vibration-free
and comfortable use as
possible.
designed to reduce harmful
exhaust components.
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.
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 machine‘s
safety equipment“).
Use of incorrectly wound
cord or incorrect cutting
equipment increases the
level of vibration.
The machine’s vibration
damping system reduces
the transfer of vibrations
between the engine unit/
cutting equipment and the
machine’s handle unit.
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.
6. Cutting
equipment
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.
The trimmer head is
intended for trimming
grass.
7. Locking nut
A locking nut is used to
secure some types of cutting
equipment on the output
shaft.
English – 5
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SAFETY INSTRUCTIONS
3. Cutting
attachment guard
Control, maintenance and service of
the machine‘s safety equipment
• Ensure that the spray
guard is undamaged and
is not cracked.
IMPORTANT INFORMATION
•
All service and repairs to the machine require
special training.
• Replace the guard if it
has been exposed to
impact or is cracked.
•
This applies especially to the machine‘s safety
equipment. If the machine does not meet any of
the controls listed below you should contact your
service workshop.
• Always use the prescribed
blade an guard
combination, see chapter
"Technical data".
•
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.
4. Vibration
damping system
1. Throttle trigger
lock
• Check the vibration
damping element
regularly for material
cracks and distortion.
• Check that the throttle is
locked in the “idling
position“ when the
throttle trigger lock is in
its original position.
• Check that the vibration
damping element is
undamaged and securely
attached.
• 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.
• See section "Start". Start
the machine and apply
full throttle. Release the
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 carburettor‘s idling
5. Muffler
1.Never use a machine that
has a defective muffler.
2.Check regularly that the
muffler is secure.
setting must be checked.
See chapter
“Maintenance“.
#
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
2. Stop switch
• Start the engine and make
sure that the engine stops
when the stop switch is
moved to the stop
defective spark arrest
screen.
position.
6 – English
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SAFETY INSTRUCTIONS
6. Cutting equipment
Cutting equipment
The section describes how through correct maintenance and
through using the right type of cutting equipment you can:
• Obtain maximum clearing capacity.
IMPORTANT INFORMATION
The section describes how through correct
maintenance and through using the right type of
cutting equipment you can obtain maximum
clearing capacity and increase the service life of
the cutting equipment.
• Increase the service life of the cutting equipment.
Two basic rules:
•
Only use the cutting and guard equipment we
1)Only use the cutting
and guard equipment
we recommend! See
chapter “Technical
data“.
recommend! See chapter “Technical data“.
Trimmer head
• 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
2)Check the cutting
equipment with regard
to damage and crack
formation. Damaged
cutting equipment
should always be
important when a fully
automatic trimmer head
is used. Only use the
cutting equipment we
recommend! See chapter
“Technical data“.
replaced.
7. 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).
• 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.
• 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.
• Tighten the nut using a
socket spanner, 35 - 50
Nm (3.5 - 5 kpm).
• 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.
NOTE!
The locking nut‘s 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.
IMPORTANT INFORMATION
Always ensure the trimmer cord is wound tightly
and evenly around the drum, otherwise harmful
vibrations will occur.
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.
!
WARNING!
Always stop the engine before starting
work on any part of the cutting equipment.
!
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.
English – 7
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SAFETY INSTRUCTIONS
Fuel safety
General safety instructions
IMPORTANT INFORMATION
• Never fill the machine
while the engine is
running. Always stop the
engine and let it cool for a
few minutes before
refuelling.
•
The machine is only designed for trimming
grass.
•
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
• Provide good ventilation
when filling or mixing fuel
(petrol and 2-stroke oil).
have consumed alcohol, or if you are taking
medicines that can affect your sight, your judgement
or the control of your body.
Min. 3 m
(10 ft)
•
Use personal protective equipment. See the
section “Personal protective equipment“.
Never use a machine that has been modified so
• Move the machine at least
3 m from the filling
position before starting.
•
that it no longer corresponds with the original
design.
• Never start the machine:
•
Never use a machine that is faulty. Follow the
maintenance, control and service instructions in this
Operator‘s Manual. Some maintenance and service
actions should be carried out by trained and
a)If you have spilt fuel on it.
Wipe up all spillage.
qualified specialists. See the chapter “Maintenance“.
b)If you have spilt fuel on
yourself or your clothes.
Change your clothes.
•
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).
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 increases the risk
of accidents.
!
Transport and storage
Start
• 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.
WARNING!
When the engine is started with the choke
in either the choke or start throttle positions
the cutting equipment starts to rotate
immediately.
!
• The complete clutch cover with shaft must be fitted before
the machine is started, otherwise the clutch can become
loose and cause personal injury.
• When storing and transporting fuel approved containers
intended for this purpose must be used.
• 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.
• Never start the machine indoors. Bear in mind the dangers
of inhaling the engine‘s exhaust fumes.
• Observe your surroundings and make sure that there is no
risk of people or animals coming into contact with the
cutting equipment.
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.
8 – English
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SAFETY INSTRUCTIONS
General working instructions
Basic working techniques
• Always trim at full throttle.
IMPORTANT INFORMATION
•
This section takes up the basic safety
• 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.
precautions for working with the 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.
WARNING!
Sometimes branches, grass or wood can
get caught between the guard and cutting
equipment. Always stop the engine when
cleaning.
•
Avoid all usage which you consider to be
!
beyond your capability.
Basic safety precautions
Grass trimming using the trimmer head
1.Observe your surroundings:
• 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.
• 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.
• 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.
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.
• Reduce the risk of
damaging plants by
shortening the cord to
10-12 cm and reducing
the engine speed.
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.
4.The engine should be switched off before moving. When
moving over longer distances and transporting the transport
guard should be used.
5.Never put the machine down with the engine running unless
you have good sight of it.
English – 9
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SAFETY INSTRUCTIONS
Clearing
Trimming
• 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.
• 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.
• 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.
• Do not allow the
trimmer head to
constantly come into
contact with the ground
during normal cutting
procedures. Constant
contact can cause damage
and wear to the trimmer
head.
• 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.
Sweeping
• The rotating cord‘s
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.
• When cutting and
sweeping you should use
full throttle to obtain the
best results.
WARNING!
Warning for thrown objects. Always wear
protective glasses. Never lean over the
guard. Stones, rubbish, etc. can be thrown
up into the eyes causing blindness or
serious injury.
Keep unauthorised persons at a distance.
Children, animals, onlookers and helpers
should be kept outside the safety zone of
15 m (50 feet). Stop the machine
!
immediately if anyone approaches.
10 – English
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WHAT IS WHAT?
¢
=
25
27
¥
26
What is what on the trimmer?
15. Air purge
1. Trimmer head
2. Grease filler cap
3. Angle gear
16. Air filter cover
17. Clutch cover
18. Handlebar adjustment
19. Locking nut
20. Support flange
21. Drive disc
4. Spray guard
5. Shaft
6. Loop handlebar
7. Throttle
22 Shaft coupling
23. Socket spanner
24. Operator‘s Manual
25. Harness
8. Stop switch
9. Throttle trigger lock
10. Suspension for harness
11. Cylinder cover
12. Starter handle
13. Fuel tank
26. Allen key
27. Locking pin
14. Choke
English – 11
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ASSEMBLY
Assembling the loop handlebar
Assembling the spray guard and
trimmer head Superauto II
• Unscrew the handle and
plastic cover from the
handlebar bracket.
• 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.
• Place the loop handlebar
with the handlebar holder
on the handlebar bracket.
Fit the handle and plastic
cover. Do not tighten too
tight.
K
• Fit the drive disc (B) on the
output axle.
J
I
• Put on the harness and
hang the trimmer in the
suspension hook. Now
finely adjust so that the
trimmer gives a
• Turn the blade axle until
one of the holes in the
drive disc aligns with the
hole in the gear housing.
K
comfortable working
position when it‘s
• Insert the locking pin (C)
in the hole so that the axle
G
attached to the harness.
Tighten the handle.
is locked.
F
B
C
I
• The trimmer head must be
split to be fitted (see the
diagram). Proceed as
follows:
M
L
• 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
A
thumb and index finger of
your other hand. Press
apart the trimmer head
using the fingers on the
cover.
Assembly of the trimmer head
It is extremely important
that the disc drive’s/support
flange’s guide engages
correctly in the cutting
equipment’s centre hole
when assembling the cutting
equipment. Cutting
equipment assembled
incorrectly can result in
serious and/or fatal personal
injury.
• Place the cover (I) and the
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
trimmer guard as possible. The nut is tightened when the
spanner is turned against the direction of rotation (left-hand
thread).
WARNING!
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.
• Fit the trimmer head‘s 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.
!
• To dismantle follow the instructions in the reverse order.
12 – English
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ASSEMBLY
Assembling other guards and
cutting equipment
Assembling and dismantling the
two-part shaft (225LD, 227LD)
• Fit the guard (A)
intended for use with
the trimmer head.
Secure using four bolts
(L) and the support plate
Assembling:
• Make sure the handle is
loose.
A
(M) as shown in the
diagram.
L
B
• Guide the cut-out on the
lower section of the shaft
into the coupling‘s
locking plate on the
upper section of the
shaft. The sections are
then locked together.
• Fit the disc drive (B) on
the output axle.
C
M
• Tighten the handle.
• Turn the blade axle until
one of the disc drive’s
holes aligns with the
corresponding hole in
the gear housing.
H
Dismantling
• Undo the handle (at least
three turns).
• Press the handle towards
the coupling.
• Insert the locking pin
(C) into the hole to lock
the axle.
• Carefully twist the lower
section out of the lock.
• Hold both parts of the
shaft and pull out the
lower section from the
coupling.
• Screw on the trimmer
head (H) in the
direction of rotation.
• Dismantling takes place
in the reverse order.
English – 13
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FUEL HANDLING
Mixture
Fuel mixture
• Always mix gasoline and oil in a clean container intended
for fuel.
NOTE!
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
machine‘s fuel tank.
WARNING!
Always provide good ventilation when
handling fuel.
• Do not mix more than max. one month’s supply of fuel.
!
• If the machine is not used for a long period of time, the fuel
tank should be emptied and cleaned.
Gasoline
NOTE!
• This engine is certified to operate on unleaded gasoline.
Always use high grade
unleaded oil mixed gasoline
(minimum 87 RON).
Leaded fuel will destroy the
catalytic converter and it
will no longer serve its
purpose.
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.
!
Fuelling
• This engine is certified to
operate on unleaded
gasoline.
WARNING!
The following precautions reduce the risk of
fire:
!
• The lowest recommended
octane rating is 87. If you
run the engine on lower
octane rating than 87 so-
called “knocking“ can
occur. This leads to an
increased engine
temperature, which can
result in a serious engine
breakdown.
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.
• Clean around the fuel
cap. Contamination in
the tank can disrupt
operations.
• When working at
continuous high revs a
higher octane rating is
recommended.
• Ensure that the fuel is
well mixed by shaking the
container before filling
Two-stroke oil
• For the best results use
HUSQVARNA two-
stroke oil, which has been
specially developed for
clearing saws and chain
saws.
the tank.
Min. 3 m
(10 ft)
Gasoline
Oil
2%(1:50)
Mixing ratio 1:50 (2%).
Lit.
5
10
15
20
Lit.
0,10
0,20
0,30
0,40
• Never use two-stroke oil
intended for water cooled
outboard motors, so-called
outboard motor oil.
US
gallon
US
fl. oz.
1
2 1/2
5
2 1/2
6 1/2
12 7/8
• Never use oil intended of
four-stroke engines.
14 – English
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START AND STOP
Cold engine
IGNITION:
Control before starting
Set the stop switch to the
start position.
CHOKE:
For reasons of safety follow
these recommendations!
Set the choke control in the
choke position.
AIR PURGE:
• Check that the support
flange is not cracked due to
fatigue or due to being
tightened too much.
Discard the support flange
if it is cracked.
Press the air purge
diaphragm repeatedly until
fuel begins to fill the
diaphragm. The diaphragm
need not be completely
filled.
Warm engine
• 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
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.
torque of the locking nut
should be 35-50 Nm.
• 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.
Stop
The engine is stopped by
switching off the ignition.
WARNING!
When the engine is started with the choke
in the choke or start position the cutting
equipment starts to rotate immediately.
• Never use the machine
without a guard or spray
guard nor with a defective
guard.
!
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.
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 – 15
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MAINTENANCE
Basic setting
Carburetor
Your Husqvarna product has been designed and
• The carburetor is set to its basic setting when test run at the
factory. The basic setting should be kept during the
machine‘s first working hours. Thereafter the carburetor
should be finely adjusted. Fine adjustment should be carried
out by a skilled technician.
manufactured to specifications that reduce harmful
emissions.
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 while the
engine is idling the T-screw should be turned anti-clockwise
until the cutting attachment stops.
Rec. idling speed 2 700 rpm.
WARNING!
The complete clutch cover with shaft
Recommended max. speed: See ”Technical Data”.
!
must be fitted before the machine is
started, otherwise the clutch can become
loose and cause personal injury.
WARNING!
If the idling speed cannot be adjusted so
Operation
that the cutting attachment stops,
!
contact your service workshop. Do not
use the machine until it has been
correctly adjusted or repaired.
• The carburetor governs
the engine‘s speed via the
throttle. Air/fuel is mixed
in the carburetor. The
air/fuel mixture is
adjustable. To take
advantage of the engine‘s
optimal output the
adjustment must be
correct.
Fine adjustment
• When the machine has been ”run-in” the 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.
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 setting of the
carburetor means that the
engine is adapted to local
conditions, for example,
the climate, altitude,
gasoline and the type of
2-stroke oil.
• The carburetor is
equipped with three
adjustment possibilities:
L = Low speed needle
H = High speed needle
T = Idle speed adjuster
screw
• 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
respectively counter-
clockwise. When the highest
speed has been found, turn
• The fuel quantity in relation to the air flow permitted by the
throttle opening is adjusted using the L and H-needles.
Turning the needles clockwise gives a leaner fuel mixture
(less fuel) and turning them anti-clockwise gives a richer fuel
mixture (more fuel). A leaner mixture gives high revs while a
richer mixture give less revs.
the low speed needle L 1/4
+ 1/4
turn counter-clockwise.
NOTE! If the cutting
attachment rotates/moves in
the idling position, turn the
idling speed screw T
• The T-screw regulates the position of the throttle while the
engine is idling. Turning the screw clockwise gives a higher
idling speed while turning it anti-clockwise gives a lower
idling speed.
counter-clockwise until the
cutting attachment stops.
L
16 – English
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MAINTENANCE
Correctly adjusted carburetor
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.
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.
Then turn, counter-clock-
wise until the cutting
A too rich adjustment of the two speed needles L and H
gives acceleration problems or too low working speed.
attachment stops. A correctly
adjusted idle speed setting
occurs when the engine runs
smoothly in every position.
It should also be good
margin to the rpm when the
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 machine’s 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 smoothly.
Note the engine should be
run unloaded when
adjusting the high speed
H
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
‘splatters’ a little . If the machine smokes heavily at the same
time as it ‘splatters’ heavily 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 – 17
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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 data“ to see whether your machine 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
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.
2
1
replaced if necessary. On
mufflers fitted with a
catalytic converter the
Air filter
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
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
• abnormal fuel
consumption
Clean the filter after every
25 hours or more regularly
if operating conditions are
exceptionally dusty.
resulting in damage to the
cylinder and piston. Also see
under “Maintenance”.
NOTE!
Never use a machine with a defective muffler.
Cleaning the air filter
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!
Dismantle the air filter
cover and remove the air
filter. Wash in clean, warm
soapy water. Ensure that the
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.
18 – English
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MAINTENANCE
NOTE: Use only HUSQVARNA replacement parts. Use of
Spark plug
other 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
HUSQVARNA.
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
Maintenance schedule
Below you will find some general maintenance 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.
• Check that the harness is undamaged.
• Check the guard for damage or cracks.
• Change the guard in case of impacts or cracks.
• Check the trimmer head for cracks and chips or damage.
Replace if necessary.
• A dirty air filter.
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.
• A non-balanced blade/trimmer head induces heavy
vibrations that may damage the machine.
• Check that the locking nut is sufficiently tightened.
• Check that nuts and screws are sufficiently tightened.
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.
NOTE! Always use the recommended type of spark plug. An
incorrect spark plug can damage the cylinder/piston.
Weekly maintenance
• Check the starter, especially cord and return spring.
• Clean the carburetor area.
• 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.
Angle gear
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
special grease.
• Clean or replace the muffler’s spark arrest screen (only
mufflers with a catalytic converter).
Monthly maintenance
Normally, the grease does
not need to be changed
except when repairs are
carried out.
• 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.
Two-part shaft
• Change the airfilter.
• Check and clean the muffler’s spark arrest screen if necessary
(only mufflers with a catalytic converter).
The end of the drive axle in
the lower shaft should be
lubricated with grease every
30 hours. There is a risk
that the drive axle ends
(splined coupling) on two-
part shafts jam if they are
not lubricated regularly.
English – 19
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TECHNICAL DATA
Technical data
225L/LD
227L/LD
232L
Engine
Cylinder capacity, cu. in/cm3
Cylinder bore, inch/mm
1,55/25,4
1,34/34
1,64/26,9
1,38/35
1,88/30,8
1,38/35
Stroke length, inch/mm
1,10/28
1,10/28
1,26/32
Recommended max. speed, rpm
Idling speed, rpm
11 000-11 700
2 700
11 000-11 700
2 700
11 000-11 700
2 700
Speed of output axle, rpm
10 000
10 000
10 000
Max. engine output, acc. to ISO 8893
Catalytic converter muffler
Speed-regulated ignition system
Ignition system
0,9 kW/ 9 000 rpm
Yes
Yes
1,0 kW/ 9 000 rpm
Yes
Yes
1,1 kW/ 8 400 rpm
Yes
Yes
Manufacturer/type of ignition system
Spark plug
Electrode gap, inch/mm
Walbro CD
Champion RCJ 7Y
0,02/0,5
Walbro CD
Champion RCJ 7Y
0,02/0,5
Walbro CD
Champion RCJ 7Y
0,02/0,5
Fuel lubrication system
Manufacturer/type of carburetor
Fuel tank capacity, US pint/litres
Weight
Walbro WT
1,06/0,5
Walbro WT
1,06/0,5
Walbro WT
1,06/0,5
Weight without fuel, cutting tool and
guard, Lbs/kg
12,6/5,7 (LD 13,2/6,0)
12,6/5,7 (LD 13,2/6,0)
13,7/6,2
Noise levels
Equivalent noise pressure level at the user’s
ear, measured according to EN 11806 and
ISO 7917, dB(A), min/max:
Equivalent noise power level at the user’s
ear, measured according to EN 11806 and
ISO 10884, dB(A), min/max:
Vibration levels
95/99
92/97
92/100
104/109
103/109
107/110
Vibration levels on the handles, measured
according to EN 11806 and ISO 7916, m/s
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:
2,7/2,0
2,8/2,7
2,6/2,8
5,0/5,0
3,0/2,8
3,5/4,0
2,6/3,5
4,6/5,1
2,5/2,3
4,0/3,0
3,8/2,8
6,8/3,4
NOTE!
Noise and vibration measurements are made with all the machine’s approved cutting equipment fitted.
The table indicates the highest and lowest values.
Approved accessories
Thread blade shaft M10
Plastic knifes
Type
Cutting attachment guard Art No.
Tricut ∅ 300 mm
Trimmy H II
Trimmy Fix
Trimmy Hit
Trimmy Hit Pro
Superauto II
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
-
Trimmer head
Edger (LD)
Hedge trimmer (LD)
Edger attachment ∅ 200 mm
Hedge trimmer attachment
-
20 – English
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TECHNICAL DATA
Technical data
240L
Engine
Cylinder capacity, cu. in/cm3
Cylinder bore, inch/mm
2,21/36,3
1,50/38
Stroke length, inch/mm
1,26/32
Recommended max. speed, rpm
Idling speed, rpm
11 000-11 700
2 700
Speed of output axle, rpm
10 000
Max. engine output, acc. to ISO 8893
Catalytic converter muffler
Speed-regulated ignition system
Ignition system
1,3 kW/ 9 000 rpm
Yes
Yes
Manufacturer/type of ignition system
Spark plug
Electrode gap, inch/mm
Walbro CD
Champion RCJ 7Y
0,02/0,5
Fuel lubrication system
Manufacturer/type of carburetor
Fuel tank capacity, US pint/litres
Weight
Walbro WT
1,06/0,5
Weight without fuel, cutting tool and
guard, Lbs/kg
13,9/6,3
Noise levels
Equivalent noise pressure level at the user’s
ear, measured according to EN 11806 and
ISO 7917, dB(A), min/max:
Equivalent noise power level at the user’s
ear, measured according to EN 11806 and
ISO 10884, dB(A), min/max:
Vibration levels
98/101
106/106
Vibration levels on the handles, measured
according to EN 11806 and ISO 7916, m/s
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:
4,0/3,8
4,2/4,4
6,4/7,4
6,7/11,0
NOTE!
Noise and vibration measurements are made with all the machine’s approved cutting equipment fitted.
The table indicates the highest and lowest values.
Approved accessories
Thread blade shaft M10
Plastic knifes
Type
Cutting attachment guard Art No.
Tricut ∅ 300 mm
Trimmy H II
Trimmy Fix
Trimmy Hit
Trimmy Hit Pro
Superauto II
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
503 74 50-01
-
Trimmer head
Edger (LD)
Hedge trimmer (LD)
Edger attachment ∅ 200 mm
Hedge trimmer attachment
-
English – 21
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FEDERAL AND CALIFORNIA 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
performed at no charge to the owner at an approved
Husqvarna Forest & Garden servicing dealer.
If you have any questions regarding your warranty rights
and responsibilities, you should contact your nearest
authorized servicing dealer or call Husqvarna Forest &
Garden at 1-800-487-5963.
The EPA (U.S. Environmental Protection Agency), CARB
(California Air Resources Board) and Husqvarna Forest &
Garden are pleased to explain the emissions control system
warranty on your 1999 and later small off-road engine. In
U.S., new small off-road engines must be designed, built and
equipped to meet the federal and California stringent anti-
smog standards. Husqvarna Forest & Garden 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 unit.
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
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
Husqvarna Forest & Garden servicing dealer.
CONSEQUENTIAL DAMAGES
Your emission control system includes Parts such as the
carburetor and the ignition system.
Where a warrantable condition exists, Husqvarna Forest &
Garden will repair your small off-road engine at no cost to
you. Expenses covered under warranty include diagnosis, parts
and labor.
MANUFACTURER’S WARRANTY
COVERAGE
The 1999 and later small off-road engines are warranted for
two years. If any emission related part on your engine (as listed
above) is defective, the part will be repaired or replaced by
Husqvarna Forest & Garden.
Husqvarna Forest & Garden may be liable for damages to
other engine components caused by the failure of a
warranted part still under warranty.
OWNER’S WARRANTY
RESPONSIBILITIES
WHAT IS NOT COVERED
All failures caused by abuse, neglect or improper maintenance
are not covered.
As the small off-road engine owner, you are responsible for the
performance of the required maintenance listed in your
Owner’s Manual. Husqvarna Forest & Garden recommends
that you retain all receipts covering maintenance on your small
off-road engine, but Husqvarna Forest & Garden cannot deny
warranty solely for the lack of receipts or for your failure to
ensure the performance of all scheduled maintenance.
As the small off-road engine owner, you should, however, be
aware that Husqvarna Forest & Garden may deny you
warranty coverage if your small off-road engine or a part of it
has failed due to abuse, neglect, improper maintenance,
unapproved modifications or the use of parts not made or
approved by the original equipment manufacturer.
You are responsible for presenting your small off-road engine
to a Husqvarna Forest & Garden 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.
ADD -ON OR MODIFIED PARTS
The use of add-on or modified parts can be grounds for
disallowing a warranty claim. Husqvarna Forest & Garden
is not liable to cover failures of warranted parts caused by
the use of add-on or modified parts.
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 Husqvarna Forest & Garden at 1-800-
487-5963.
WHERE TO GET WARRANTY SERVICE
Warranty services or repairs shall be provided at all Husqvarna
Forest & Garden 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 Husqvarna Forest & Garden at 1-800-
487-5963.
REPAIR OF EMISSION-RELATED PARTS
Any Husqvarna Forest & Garden 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
The warranty period begins on the date small off-road engine
is delivered.
EMISSION CONTROL WARRANTY PARTS
LIST
LENGTH OF COVERAGE
1.Carburetor and internal parts
Husqvarna Forest & Garden warrants to the initial owner and
each subsequent purchaser that the engine is free from defects
in materials and workmanship which cause the failure of a
warranted part for a period of two years.
2.Intake pipe, airfilter holder and carburetor bolts.
3.Airfilter and fuelfilter covered up to maintainance schedule.
4.Ignition System
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.
´*2§)¶5m¨
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NOTES
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´*2§)¶5m¨
1998W51
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