Operator′s manual
325HDA65X-series 323HE3
325HE3X-series 325HE4
X-series
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
English
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CONTENTS
Contents
Note the following before starting:
KEY TO SYMBOLS
Please read the operator’s manual carefully.
Symbols .......................................................................
CONTENTS
WARNING! Long-term exposure to noise can
result in permanent hearing impairment. So
always use approved hearing protection.
Contents ......................................................................
Note the following before starting: ................................
INTRODUCTION
!
!
Dear Customer, ............................................................
WHAT IS WHAT?
5
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? ..............................................................
GENERAL SAFETY PRECAUTIONS
Important ......................................................................
Personal protective equipment .....................................
Machine′s safety equipment ........................................
ASSEMBLY
Fitting the hand guard and loop handle ....................... 10
Fitting the handle ......................................................... 10
Fitting the cutting head ................................................ 10
Adjusting the harness .................................................. 10
Fitting the impact guard ............................................... 11
FUEL HANDLING
WARNING! Incorrect or careless use of a
hedge trimmer can turn it into a dangerous
tool that can cause serious or even fatal
injury. It is extremely important that you read
and understand the contents of this
operator’s manual.
!
Fuel safety ................................................................... 12
Fuel .............................................................................. 12
Fuelling ........................................................................ 13
STARTING AND STOPPING
Check before starting ................................................... 14
Starting and stopping ................................................... 14
WORKING TECHNIQUES
General working instructions ....................................... 15
Transport position ........................................................ 17
MAINTENANCE
Carburettor ................................................................... 18
Muffler .......................................................................... 19
Cooling system ............................................................ 20
Spark plug .................................................................... 20
Air filter ......................................................................... 20
Gear housing ............................................................... 21
Cleaning and lubrication .............................................. 21
Maintenance schedule ................................................. 22
TECHNICAL DATA
Technical data .............................................................. 23
EC-declaration of conformity ........................................ 23
English – 3
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INTRODUCTION
Dear Customer,
Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the
Swedish King Karl XI ordered the construction of a factory on the banks of the Husqvarna River, for production of muskets. The
location was logical, since water power was harnessed from the Huskvarna River to create the water-powered plant. During the
more than 300 years of beeing, the Husqvarna factory has produced a lot of different products, from wood stoves to modern kitchen
appliances, sewing machines, bicycles, motorcycles etc. In 1956, the first motor driven lawn mowers appeared, followed by chain
saws in 1959, and it is within this area Husqvarna is working today.
Today Husqvarna is one of the leading manufacturers in the world of forest and garden products, with quality as our highest priority.
The business concept is to develop, manufacture and market motor driven products for forestry and gardening as well as for
building and construction industry. Husqvarna′s aim is also to be in the front edge according to ergonomics, usability, security and
environmental protection. That is the reason why we have developed many different features to provide our products within these
areas.
We are convinced that you will appreciate with great satisfaction the quality and performance of our product for a very long time to
come. The purchase of one of our products gives you access to professional help with repairs and service whenever this may be
necessary. If the retailer who sells your machine is not one of our authorised dealers, ask for the address of your nearest service
workshop.
It is our wish that you will be satisfied with your product and that it will be your companion for a long time. Think of this operator′s
manual as a valuable document.By following its′ content (using, service, maintenance etc) the life span and the second-hand value
of the machine can be extended. If you will sell this machine, make sure that the buyer will get the operator′s manual.
Thank you for using a Husqvarna product.
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.
4 – English
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WHAT IS WHAT?
21
20
2
What is what?
1
2
3
4
5
6
7
8
9
Cutter
16 Air purge
Grease nipple and plug for filling lubricant.
Bevel gear
17 Air filter cover
18 Clutch cover
Blade guard (325HDA65)
Shaft
19 Hand guard mounting screw (325HDA65, 323HE3,
325HE3)
20 Angle adjustment handle (323HE3, 325HE3, 325HE4)
21 Angle adjustment knob
Front handle (325HDA65, 323HE3, 325HE3)
Front handle (325HE4)
Throttle control
22 Hand guard (325HDA65, 323HE3, 325HE3)
23 Combination spanner
Stop switch
24 Operator′s manual
10 Throttle lock
25 Transport guard
11 Harness support hook (325HE4)
12 Cylinder cover
13 Starter handle
26 Allen key
27 Harness (325HE4)
28 Impact guard (325HE4)
29 Spark plug cap and spark plug
14 Fuel tank
15 Choke control
English – 5
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GENERAL SAFETY PRECAUTIONS
Important
Personal protective equipment
IMPORTANT!
IMPORTANT!
The machine is only designed for cutting branches and
twigs.
Incorrect or careless use of a hedge trimmer can turn it into
a dangerous tool that can cause serious or even fatal injury.
It is extremely important that you read and understand the
contents of this operator’s manual.
Never use a machine that has been modified in any way
from its original specification.
You must use approved personal protective equipment
whenever you use the machine. Personal protective
equipment cannot eliminate the risk of injury but it will
reduce the degree of injury if an accident does happen. Ask
your dealer for help in choosing the right equipment.
Never use the machine if you are tired, if you have drunk
alcohol, or if you are taking medication that could affect your
vision, your judgement or your co-ordination.
Wear personal protective equipment. See instructions
under the heading Personal protective equipment.
Never use the machine in extreme weather conditions such
as severe cold, very hot and/or humid climates.
WARNING! Listen out for warning signals or
shouts when you are wearing hearing
protection. Always remove your hearing
protection as soon as the engine stops.
!
Never use a machine that is faulty. Carry out the checks,
maintenance and service instructions described in this
manual.Some maintenance and service measures must be
carried out by trained and qualified specialists. See
instructions under the heading Maintenance.
HEARING PROTECTION
Wear hearing protection that provides adequate noise
reduction.
All covers and guards must be fitted before starting. Ensure
that the spark plug cap and ignition lead are undamaged to
avoid the risk of electric shock.
WARNING! The ignition system of this
machine produces an electromagnetic field
EYE PROTECTION
!
during operation.This field may under some
Always wear approved eye protection. If you use a visor then
you must also wear approved protective goggles. Approved
protective goggles must comply with standard ANSI Z87.1 in
the USA or EN 166 in EU countries.
circumstances interfere with pacemakers.To
reduce the risk of serious or fatal injury, we
recommend persons with pacemakers to
consult their physician and the pacemaker
manufacturer before operating this machine.
WARNING! Running an engine in a confined
or badly ventilated area can result in death
due to asphyxiation or carbon monoxide
poisoning.
!
GLOVES
Gloves should be worn when necessary, e.g., when fitting
cutting attachments.
WARNING! Never allow children to use or be
in the vicinity of the machine. As the
machine is equipped with a spring-loaded
!
stop switch and can be started by low speed
and force on the starter handle, even small
children under some circumstances can
produce the force necessary to start the
machine.This can mean a risk of serious
personal injury.Therefore remove the spark
plug cap when the machine is not under
close supervision.
BOOTS
Wear sturdy, non-slip boots or shoes.
WARNING! Faulty blades can increase the
risk of accidents.
!
CLOTHING
Wear clothes made of a strong fabric and avoid loose clothing
that can catch on twigs and branches. Always wear heavy,
long pants. Do not wear jewellery, shorts sandals or go
barefoot. Secure hair so it is above shoulder level.
6 – English
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GENERAL SAFETY PRECAUTIONS
FIRST AID KIT
Make sure the throttle control is locked at the idle setting
when the throttle lockout is released.
Always have a first aid kit nearby.
Press the throttle lockout and make sure it returns to its
original position when you release it.
′
Machine s safety equipment
This section describes the machine′s safety equipment, its
purpose, and how checks and maintenance should be carried
out to ensure that it operates correctly. See the ”What is
what?” section to locate where this equipment is positioned
on your machine.
The life span of the machine can be reduced and the risk of
accidents can increase if machine maintenance is not carried
out correctly and if service and/or repairs are not carried out
professionally. If you need further information please contact
your nearest service workshop.
Check that the throttle control and throttle lockout move freely
and that the return springs work properly.
IMPORTANT!
All servicing and repair work on the machine requires
special training. This is especially true of the machine′s
safety equipment. If your machine fails any of the checks
described below you must contact your service agent.
When you buy any of our products we guarantee the
availability of professional repairs and service. If the retailer
who sells your machine is not a servicing dealer, ask him for
the address of your nearest service agent.
See instructions under the heading Start. Start the hedge
trimmer and apply full throttle. Release the throttle trigger and
check that the blades stop and remain stationary.If the blades
move when the throttle trigger is in the idle position then the
carburettor idle setting must be adjusted. See instructions
under the heading Maintenance.
WARNING! Never use a machine with faulty
safety equipment.The machine’s safety
equipment must be checked and maintained
as described in this section. If your machine
fails any of these checks contact your
service agent to get it repaired.
!
Stop switch
Throttle lockout
Use the stop switch to switch off the engine.
The throttle lockout is designed to prevent accidental
operation of the throttle control. When you press the lock (A)
(i.e.when you grasp the handle) it releases the throttle control
(B). When you release the handle the throttle control and the
throttle lockout both move back to their original positions.This
movement is controlled by two independent return springs.
This arrangement means that the throttle control is
automatically locked at the idle setting.
Start the engine and make sure the engine stops when you
move the stop switch to the stop setting.
English – 7
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GENERAL SAFETY PRECAUTIONS
Hand guard
Muffler
(325HDA65,323HE3,325HE3)
The muffler is designed to keep noise levels to a minimum
and to direct exhaust fumes away from the user. A muffler
fitted with a catalytic converter is also designed to reduce
harmful exhaust gases.
The hand guard prevents hands from coming into contact with
the moving blades, for example, if the operator loses grip on
the front handle.
In countries that have a warm and dry climate there is a
significant risk of fire. We therefore fit certain mufflers with a
spark arrestor mesh. Check whether the muffler on your
machine is fitted with this kind of mesh.
Check that the hand guard is fitted correctly.
Check that the hand guard is undamaged.
Vibration damping system
Your machine is equipped with a vibration damping system
that is designed to minimize vibration and make operation
easier.
For mufflers it is very important that you follow the instructions
on checking, maintaining and servicing your machine.
Never use a machine that has a faulty muffler.
The machine′s vibration damping system reduces the transfer
of vibration between the engine unit/cutting equipment and
the machine′s handle unit.
Regularly check that the muffler is securely attached to the
machine.
Regularly check the vibration damping units for cracks or
deformation. Check that the vibration damping element is
undamaged and securely attached.
If the muffler on your machine is fitted with a spark arrestor
mesh this must be cleaned regularly. A blocked mesh will
cause the engine to overheat and may lead to serious
damage.
WARNING! Overexposure to vibration can
lead to circulatory damage or nerve damage
in people who have impaired circulation.
!
Contact your doctor if you experience
symptoms of overexposure to vibration.
Such symptoms include numbness, loss of
feeling, tingling, pricking, pain, loss of
strength, changes in skin colour or
condition.These symptoms normally appear
in the fingers, hands or wrists.The risk
increases at low temperatures.
WARNING! Mufflers fitted with catalytic
converters get very hot during use and
remain so for some time after stopping.This
also applies at idle speed. Contact can result
in burns to the skin. Remember the risk of
fire!
!
8 – English
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GENERAL SAFETY PRECAUTIONS
Gear housing
WARNING! The inside of the muffler contain
chemicals that may be carcinogenic. Avoid
contact with these elements in the event of a
damaged muffler.
The gear housing gets hot when the machine has been in
use. To avoid burning yourself do not touch the gear housing.
!
WARNING! Bear in mind that:
!
The exhaust fumes from the engine are hot
and may contain sparks which can start a
fire. Never start the machine indoors or near
combustible material!
Blades
To ensure good cutting results it is important that the contact
pressure between the blades is correct.The contact pressure
is adjusted by turning the screws on the underside of the bar
clockwise as far as they will go. Then turn the screws
anticlockwise a 1/4 turn.Lock the screws using the locking nut
on the top of the bar. Check that the screws are loose enough
to allow the washers under the screw heads to slide sideways.
When the blades are correctly adjusted the play between the
blades should be 0,2–0,4 mm, measured at the screws.
The edges of the blades are too hard to be filed. Dull blades
should be sharpened using a grinder.
Replace the blades if they are bent or damaged.
Blade guard
(325HDA65)
The blade guard (A) is intended to protect against any part of
the body coming into contact with the blades (B).
A
B
Check that the blade guard is not damaged or distorted.
Replace the blade guard if it is bent or damaged.
English – 9
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ASSEMBLY
Fitting the hand guard and loop
handle
Fitting the cutting head
(325HDA65, 323HE3)
(325HDA65,323HE3,325HE3)
It is important that the hedge trimmer is laid on a flat surface
when you fit the cutting head.Otherwise the cutting head may
not be fitted straight.
1
Assemble the hand guard and loop handle by screwing
them together. Take care to align the holes in both parts.
(325HDA65, 323HE3)
1
Fit the cutting head to the shaft. CAUTION! Make sure the
drive shaft inside the shaft engages with the recess in the
cutting head.
2
Slide the loop handle and hand guard onto the shaft.
(325HDA65, 323HE3)
3
4
Slide the spacer into the slot in the loop handle.
Fit the nut and screw. Do not overtighten.
2
Tighten the lower screw first, then the upper screw.
Adjusting the harness
(325HE4)
You should always use the harness with the machine to give
maximum control over the machine and reduce the risk of
fatigue in your arms and back.
5
Now make a final adjustment to give yourself a
comfortable working position. Tighten the screw.
CAUTION! The loop handle and hand guard must not be
fitted behind the arrow marked on the shaft.
1
2
3
Put on the harness.
Hook the machine onto the harness support hook.
Adjust the length of the harness so that the support hook
is roughly level with your right hip.
Fitting the handle
(323HE3, 325HE3,325HE4)
Fit the handle using two screws.
10 – English
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ASSEMBLY
Fitting the impact guard
(325HE4)
Fit the guard using the three screws and washers. Fit the two
short screws in hole A. Tighten the screws to a torque of 4
Nm. After the machine has been in use for around 20 hours,
re-tighten the screws to 4 Nm.
English – 11
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FUEL HANDLING
Petrol
Fuel safety
Never start the machine:
1
2
If you have spilt fuel on it. Wipe off the spillage and allow
remaining fuel to evaporate.
CAUTION! Always use a quality petrol/oil mixture at least 90
octane (RON). If your machine is equipped with a catalytic
converter (see chapter on Technical data) always use a good
quality unleaded petrol/oil mixture. Leaded petrol will destroy
the catalytic converter.
If you have spilt fuel on yourself or your clothes, change
your clothes.Wash any part of your body that has come in
contact with fuel. Use soap and water.
3
If the machine is leaking fuel. Check regularly for leaks
from the fuel cap and fuel lines.
Use low-emission petrol, also known as alkylate petrol, if it is
available.
Transport and storage
•
Store and transport the machine and fuel so that there is
no risk of any leakage or fumes coming into contact with
sparks or naked flames, for example, from electrical
machinery, electric motors, electrical relays/switches or
boilers.
•
•
The lowest octane recommended is 90 (RON). If you run
the engine on a lower octane grade than 90 so-called
knocking can occur. This gives rise to a high engine
temperature, which can result in serious engine damage.
•
•
When storing and transporting fuel always use approved
containers intended for this purpose.
When storing the machine for long periods the fuel tank
must be emptied. Contact your local petrol station to find
out where to dispose of excess fuel.
When working at continuous high revs a higher octane
rating is recommended.
•
•
Ensure the machine is cleaned and that a complete
service is carried out before long-term storage.
Two-stroke oil
The transport guard must always be fitted to the cutting
attachment when the machine is being transported or in
storage.
•
For best results and performance use HUSQVARNA two-
stroke engine oil, which is specially formulated for our air-
cooled two-stroke engines.
•
In order to prevent unintentional starting of the engine, the
spark plug cap must always be removed during long-term
storage, if the machine is not under close supervision and
when performing all service measures.
•
Never use two-stroke oil intended for water-cooled
engines, sometimes referred to as outboard oil (rated
TCW).
•
•
Never use oil intended for four-stroke engines.
A poor oil quality and/or too high oil/fuel ratio may
jeopardise function and decrease the life time of catalytic
converters.
WARNING! Take care when handling fuel.
Bear in mind the risk of fire, explosion and
inhaling fumes.
!
•
Mixing ratio
1:50 (2%) with HUSQVARNA two-stroke oil.
Fuel
1:33 (3%) with oils class JASO FB or ISO EGB formulated
for air-cooled, two-stroke engines.
CAUTION! The machine is equipped with a two-stroke
engine and must always been run using a mixture of petrol
and two-stroke engine oil. It is important to accurately
measure the amount of oil to be mixed to ensure that the
correct mixture is obtained. When mixing small amounts of
fuel, even small inaccuracies can drastically affect the ratio of
the mixture.
Two-stroke oil, litre
Petrol, litre
2% (1:50)
0,10
3% (1:33)
0,15
5
10
15
20
0,20
0,30
0,30
0,45
WARNING! Fuel and fuel fumes are highly
0,40
0,60
inflammable and can cause serious injury
when inhaled or allowed to come in contact
with the skin. For this reason observe
caution when handling fuel and make sure
there is adequate ventilation.
!
12 – English
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FUEL HANDLING
Mixing
Fuelling
•
Always mix the petrol and oil in a clean container intended
for fuel.
•
Always start by filling half the amount of the petrol to be
used. Then add the entire amount of oil. Mix (shake) the
fuel mixture. Add the remaining amount of petrol.
WARNING!Taking the following precautions,
will lessen the risk of fire:
•
Mix (shake) the fuel mixture thoroughly before filling the
machine’s fuel tank.
!
Do not smoke or place hot objects near fuel.
Always shut off the engine before refuelling.
Always stop the engine and let it cool for a
few minutes before refuelling.
When refuelling, open the fuel cap slowly so
that any excess pressure is released gently.
Tighten the fuel cap carefully after refuelling.
Always move the machine away from the
refuelling area before starting.
•
•
Do not mix more than one month’s supply of fuel at a time.
•
•
Always use a fuel container with an anti-spill valve.
If the machine is not used for some time the fuel tank
should be emptied and cleaned.
Clean the area around the fuel cap. Contamination in the
tank can cause operating problems.
•
Ensure that the fuel is well mixed by shaking the container
before filling the tank.
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 working near
flammable substances and/or vapours.
!
English – 13
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STARTING AND STOPPING
Choke: Set the choke control in the choke position.
Check before starting
•
•
Inspect the working area. Remove any objects that could
be thrown out.
Check the cutting attachment. Never use blades that are
dull, cracked or damaged.
Warm engine
Primer bulb: Press the air purge repeatedly until fuel begins
to fill the bulb. The bulb need not be completely filled.
•
•
Check that the machine is in perfect working order. Check
that all nuts and screws are tight.
Make sure the gear housing is lubricated correctly. See
instructions under the heading Gear housing.
•
Check that the cutting attachment always stops when the
engine is idling.
Starting
•
•
Only use the machine for the purpose it was intended for.
Hold the body of the machine on the ground using your left
hand (CAUTION! Not with 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.
Make sure that the handle and safety features are in good
working order. Never use a machine that lacks a part or
has been modified outside its specifications.
•
All covers must be correctly fitted and undamaged before
you start the machine.
Push the choke control back to its original position as soon as
the engine fires, and continue trying to start until the engine
starts.
Starting and stopping
CAUTION! Do not pull the starter cord all the way out and do
not let go of the starter handle when the cord is fully extended.
This can damage the machine.
WARNING! The complete clutch cover and
shaft must be fitted before the machine is
started, otherwise the clutch can come loose
and cause personal injury.
!
Always move the machine about 3 metres
from the refuelling position before starting.
Place the machine on a firm surface.
Remember that the blades may start to move
when the engine is started. Make sure the
blades cannot come into contact with any
object. Make sure that no unauthorised
persons are in the working area, otherwise
there is a risk of serious personal injury.
Stopping
The engine is switched off by moving the stop switch to the
stop position.
The safety distance is 15 metres.
Cold engine
Primer bulb: Press the air purge repeatedly until fuel begins
to fill the bulb. The bulb need not be completely filled.
CAUTION! The stop switch automatically returns to the start
position. In order to prevent unintentional starting, the spark
plug cap must be removed from the spark plug when
assembling, checking and/or performing maintenance.
14 – English
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WORKING TECHNIQUES
Keep in mind that the operator is responsible for accidents or
hazards occuring to other people or their property.
General working instructions
IMPORTANT!
Safety instructions while working
This section takes up the basic safety precautions for
working with a hedge 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.
•
•
Always ensure you have a safe and stable working
position.
Avoid all usage which you consider to be beyond your
capability.
Always use both hands to hold the machine. Hold the
machine at the side of your body.
WARNING! The machine can cause serious
personal injury. Read the safety instructions
carefully. Learn how to use the machine.
!
WARNING! Cutting tool. Do not touch the
tool without first switching off the engine.
!
•
Use your right hand to control the throttle setting.
Personal protection
•
•
Make sure that your hands and feet do not come near the
cutting attachment when the engine is running.
When the engine is switched off, keep your hands and feet
away from the cutting attachment until it has stopped
completely.
•
•
Always wear boots and other equipment described under
the heading Personal protective equipment.
•
•
•
•
Watch out for stumps of branches that can be thrown out
during cutting.
Always wear working clothes and heavy-duty long
trousers.
Always lay the machine on the ground when you are not
using it.
•
•
Never wear loose clothing or jewellery.
Make sure your hair does not hang below shoulder level.
Do not cut too close to the ground. Stones and other
objects can be thrown out.
Safety instructions regarding the
surroundings
Check the working area for foreign objects such as
electricity cables, insects and animals, etc, or other
objects that could damage the cutting attachment, such
as metal items.
•
•
Never allow children to use the machine.
Ensure that no-one comes closer than 15 m while you are
working.
•
•
If any foreign object is hit or if vibrations occur stop the
machine immediately. Disconnect the HT lead from the
spark plug. Check that the machine is not damaged.
Repair any damage.
•
•
Never allow anyone else to use the machine without first
ensuring that they have understood the contents of the
operator’s manual.
If anything jams in the blades while you are working,
switch off the engine and wait until it has stopped
completely before cleaning the blades. Disconnect the HT
lead from the spark plug.
Never work from a ladder, stool or any other raised
position that is not fully secured.
English – 15
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WORKING TECHNIQUES
Safety instructions after completing work
Changing the hedge trimmer angle
•
•
The transport guard should always be fitted to the cutting
attachment when the machine is not in use.
(323HE3)
•
•
•
Undo the knob.
Make sure the cutting attachment has stopped before
cleaning, carrying out repairs or an inspection.
Disconnect the HT lead from the spark plug.
•
Always wear heavy-duty gloves when repairing the cutting
attachment.This is extremely sharp and can easily cause
cuts.
Adjust the angle with the help of the handle on the cutting
unit.
•
•
Store the machine out of reach of children.
Use only original spare parts for repairs.
Basic working techniques
Tighten the knob.
•
Work with a swinging action from the bottom upwards
when trimming sides.
(325HDA65)
•
Undo the knob.
•
•
Adjust the throttle setting to suit the load.
When trimming a hedge the engine should always face
away from the hedge.
•
Hold the machine as close to your body as possible to get
the best balance.
•
Press the cutting unit against the hedge or some other
firm surface until the required angle is set.
•
•
Make sure that the tip does not touch the ground.
Do not rush the work, but work steadily until all the
branches have been cut back cleanly.
16 – English
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WORKING TECHNIQUES
•
Tighten the knob.
Transport position
(325HE4)
Once the work has been completed fold the cutting unit back
against the shaft to simplify transport and storage of the
hedge trimmer.
1
2
3
Turn off the engine.
(325HE3,325HE4)
Fit the transport guard to the cutting attachment.
Loosen the knob on the shaft (clockwise).
•
Loosen the knob on the shaft (clockwise).
•
Press the cutting unit against the hedge or some other
firm surface until the required angle is set.
4
Grip the handle on the cutting unit and angle the cutting
unit upwards. At an angle of 90 degrees there is a stop
position.To pass the stop position, pull out the lock button.
•
Turn the knob (anti-clockwise).
5
6
Fold down the cutting unit against the shaft.
Turn the knob (anti-clockwise).
WARNING! Do not hold the cutting head
when you adjust the angle.The blades are
sharp and you could easily cut yourself.
!
CAUTION! When the stop position has been passed the
blades are blocked, do not try to cut with the cutting unit in this
position.
English – 17
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MAINTENANCE
Basic setting
Carburettor
•
The basic carburettor settings are adjusted during testing
at the factory. The basic setting is richer than the optimal
setting and should be maintained for the first few hours the
machine is in use. The carburettor should then be finely
adjusted. Fine adjustment should be carried out by a
skilled technician.
Your Husqvarna product has been designed and
manufactured to specifications that reduce harmful
emissions. After the engine has used 8-10 tanks of fuel the
engine will be run-in.To ensure that it continues to run at peak
performance and to minimise harmful exhaust emissions
after the running-in period, ask your dealer/service workshop
(who will have a rev counter at their disposal) to adjust your
carburettor.
CAUTION! If the blades move while the engine is idling the T
screw should be turned anti-clockwise until they stop.
Rec. idle speed 2700 rpm
WARNING! The complete clutch cover and
shaft must be fitted before the machine is
Recommended max. speed: See theTechnical data section.
!
started, otherwise the clutch can come loose
and cause personal injury.
WARNING! If the idle speed cannot be
adjusted so that the cutting attachment
stops, contact your dealer/service
workshop. Do not use the machine until it
has been correctly adjusted or repaired.
!
Function
Fine adjustment
•
The carburettor governs the engine’s speed via the
throttle control. Air and fuel are mixed in the carburettor.
The air/fuel mixture is adjustable. Correct adjustment is
essential to get the best performance from the machine.
•
When the machine has been ”run-in” the carburettor
should be finely adjusted. The fine adjustment should be
carried out by a qualified person. First adjust the L-jet,
then the idling screw T and then the H-jet.
•
•
Adjusting the carburettor means that the engine is
adapted to local operating conditions, e.g. climate,
altitude, petrol and the type of 2-stroke oil.
Conditions
The carburettor has three adjustment controls:
L = Low speed jet
•
Before any adjustments are made, make sure that the air
filter is clean and the air filter cover is fitted. If you adjust
the carburettor when the air filter is dirty it will result in a
leaner mixture when the filter is finally cleaned. This can
lead to serious engine damage.
H = High speed jet
T = Idle adjustment screw
•
•
•
Carefully turn both jets, L and H, so that they are midway
between fully screwed in and fully screwed out.
Do not attempt to adjust the L and H jets beyond either
stop as this could cause damage.
Now start the machine according to the starting
instructions and let it warm up for 10 minutes.
CAUTION! If the blades move while the engine is idling the T
screw should be turned anti-clockwise until they stop.
•
•
The L and H-jets are used to adjust the supply of fuel to
match the rate that air is admitted, which is controlled with
the throttle. If they are screwed clockwise the air/fuel ratio
becomes leaner (less fuel) and if they are turned anti-
clockwise the ratio becomes richer (more fuel). A lean
mixture gives a higher engine speed and a rich mixture
gives a lower engine speed.
Low speed jet L
Try to find the highest idle speed by turning the low speed jet
L clockwise then anti-clockwise.When the highest speed has
been found, turn the low speed jet L 1/4 turn anti-clockwise.
+ 1/4
The T-screw regulates the throttle setting at idle speed. If
the T-screw is turned clockwise this gives a higher idle
speed; turning it anti-clockwise gives a lower idle speed.
L
CAUTION! If the blades move while the engine is idling the T
screw should be turned anti-clockwise until they stop.
18 – English
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MAINTENANCE
Fine adjustment of the idle speedT
Correctly adjusted carburettor
Adjust the idle speed with the idle adjustment screw T, if
adjustment is necessary. First turn the idle adjustment screw
T clockwise until the blades start to move. Then turn the idle
adjustment screw T anticlockwise until the blades stop. The
idle speed is correctly adjusted when the engine runs
smoothly in every position. There should also be a clear
margin to the speed at which the blades start to move. The
blades must also remain stationary when the choke control is
in the start throttle position.
When the carburettor is correctly adjusted the machine
accelerates without hesitation and burbles a little at maximum
speed. It is also important that the blades do not move when
the engine is idling or when the choke control is in the start
position. If the low speed jet L is set too lean it may cause
starting difficulties and poor acceleration.
If the high speed jet H is set too lean it will result in less power,
less performance, poor acceleration and/or damage to the
engine. If both the L and H jets are set too rich it will results in
acceleration problems or too low a working speed.
Muffler
CAUTION! Some mufflers are fitted with a catalytic
converter. See chapter on Technical data to see whether your
machine is fitted with a catalytic converter.
IMPORTANT! If the idle speed cannot be adjusted so that the
cutting attachment stops, contact your dealer/service
workshop. Do not use the machine until it has been correctly
adjusted or repaired.
The muffler is designed to reduce the noise level and to direct
the exhaust gases away from the operator. The exhaust
gases are hot and can contain sparks, which may cause fire
if directed against dry and combustible material.
High speed jet H
The high speed jet H affects the engine power, speed,
temperature and fuel consumption. If the high speed jet H is
set too lean (screwed in too far) the engine speed will be too
high and cause engine damage. Do not let the engine run at
full speed for more than 10 seconds.
Some mufflers are equipped with a special spark arrestor
mesh. If your machine has this type of muffler, you should
clean the mesh at least once a week.This is best done with a
wire brush.
Apply full throttle and turn the high speed jet H very slowly
clockwise until the engine slows down. Then turn the high
speed jet H very slowly anticlockwise until the engine starts to
run unevenly. Now turn the high speed jet H slowly clockwise
a little way until the engine runs smoothly.
On mufflers without a catalytic converter the mesh should be
cleaned weekly, or replaced if necessary. On mufflers fitted
with a catalytic converter the mesh should be checked, and if
necessary cleaned, monthly. If the mesh is damaged it
should be replaced. If the mesh is frequently blocked, this
can be a sign that the performance of the catalytic converter
is impaired. Contact your dealer to inspect the muffler. A
blocked mesh will cause the machine to overheat and result
in damage to the cylinder and piston. See also instructions
under the heading Maintenance.
Note that the engine should not be under load when you
adjust the high speed jet H. The high speed jet H is adjusted
correctly when the machine burbles a little. If the machine
races then the setting is too lean. If the engine produces a lot
of smoke and burbles a lot then the setting is too rich.
CAUTION! Never use a machine with a defective muffler.
H
WARNING! Mufflers fitted with catalytic
converters get very hot during use and
remain so for some time after stopping.This
also applies at idle speed. Contact can result
in burns to the skin. Remember the risk of
fire!
CAUTION! For optimum adjustment of the carburettor,
contact a qualified dealer/service workshop that has a
revolution counter at their disposal.
!
English – 19
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MAINTENANCE
Cooling system
Air filter
To keep the working temperature as low as possible the
machine is equipped with a cooling system.
The air filter must be regularly cleaned to remove dust and dirt
in order to avoid:
•
•
•
•
•
Carburettor malfunctions
Starting problems
4
3
2
Loss of engine power
Unnecessary wear to engine parts.
Excessive fuel consumption.
Clean the filter every 25 hours, or more regularly if conditions
are exceptionally dusty.
1
The cooling system consists of:
1
2
3
4
Air intake on the starter.
Fins on the flywheel.
Cooling fins on the cylinder.
Cylinder cover (directs cold air over the cylinder).
Clean the cooling system with a brush once a week, more
often in demanding conditions. A dirty or blocked cooling
system results in the machine overheating which causes
damage to the piston and cylinder.
Cleaning the air filter
Remove the air filter cover and take out the filter. Wash it
clean in warm, soapy water. Ensure that the filter is dry before
refitting it.
An air filter that has been in use for a long time cannot be
cleaned completely.The filter must therefore be replaced with
a new one at regular intervals. A damaged air filter must
always be replaced.
Spark plug
If the machine is used in dusty conditions the air filter should
be soaked in oil.See instructions under the heading Oiling the
air filter.
The spark plug condition is influenced by:
•
•
Incorrect carburettor adjustment.
An incorrect fuel mixture (too much or incorrect type of
oil).
Oiling the air filter
•
A dirty air filter.
These factors cause deposits on the spark plug electrodes,
which may result in operating problems and starting
difficulties.
Always use HUSQVARNA filter oil, art. no. 531 00 92-48.The
filter oil contains a solvent to make it spread evenly through
the filter.You should therefore avoid skin contact.
If the machine is low on power, difficult to start or runs poorly
at idle speed: always check the spark plug first before taking
any further action. If the spark plug is dirty, clean it and check
that the electrode gap is 0.5 mm. The spark plug should be
replaced after about a month in operation or earlier if
necessary.
Put the filter in a plastic bag and pour the filter oil over it.
Knead the plastic bag to distribute the oil. Squeeze the
excess oil out of the filter inside the plastic bag and pour off
the excess before fitting the filter to the machine. Never use
common engine oil. This would drain through the filter quite
quickly and collect in the bottom.
CAUTION! Always use the recommended spark plug type!
Use of the wrong spark plug can damage the piston/cylinder.
Check that the spark plug is fitted with a suppressor.
20 – English
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MAINTENANCE
Gear housing
There is a grease nipple and a plug for filling lubricant on the
gear housing. Use a grease gun to fill with grease. New
machines are first filled with grease after approximately 20
hours of operation, and subsequently approximately every 60
hours of operation. Use Husqvarna’s special grease, no.
503 98 96-01.
CAUTION! The gear housing must not be filled completely
with grease. The grease expands as the machine heats up
during operation. If the gear housing was completely filled
with grease it could damage the seals and lead to leakage of
grease.
The grease in the bevel gear does not normally need to be
changed except if repairs are carried out.
Cleaning and lubrication
Clean any resin and plant residue from the blades using
cleaning agent 531 00 75-13 (UL22) before and after using
the machine.
Lubricate the blade bars with special grease, part no. 531 00
75-12 (UL 21) before long periods of storage.
English – 21
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MAINTENANCE
Maintenance schedule
The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the
Maintenance section. The user must only carry out the maintenance and service work described in this Operator’s Manual. More
extensive work must be carried out by an authorised service workshop.
Daily
maintenance
Weekly
maintenance
Monthly
maintenance
Maintenance
Clean the outside of the machine.
X
X
X
X
Make sure the throttle trigger lock and the throttle function correctly from a
safety point of view.
Check that the stop switch works correctly.
Check that the blades do not move when the engine is idling or when the
choke is in the start throttle position.
Check that the blades are undamaged and show no signs of cracking or
other damage. Replace the blades if necessary.
X
Check that the blade guard is not damaged or distorted. Replace the blade
guard if it is bent or damaged.
X
X
X
Clean the air filter. Replace if necessary.
Check that the hand guard is not damaged.Replace the guard if damaged.
(325HDA65, 323HE3, 325HE3)
Check that nuts and screws are tight.
X
X
Check that there are no fuel leaks from the engine, tank or fuel lines.
Check the starter and starter cord.
X
X
Check that the vibration damping elements are not damaged.
Clean the outside of the spark plug. Remove it and check the electrode
gap. Adjust the gap to 0.5 mm or replace the spark plug. Check that the
spark plug is fitted with a suppressor.
X
Clean the machine’s cooling system.
X
X
X
Clean or replace the spark arrestor mesh on the muffler (only applies to
mufflers without a catalytic converter).
Clean the outside of the carburettor and the space around it.
Fill the gear housing with grease. New machines are first filled with grease
after approximately 20 hours of operation, and subsequently
approximately every 60 hours of operation.
X
X
Check that the screws that hold the blades together are correctly
tightened.
Clean the fuel tank.
X
X
X
X
Check the fuel filter from contamination and the fuel hose from cracks or
other defects. Replace if necessary.
Check all cables and connections.
Check the clutch, clutch springs and the clutch drum for wear. Replace if
necessary by an autorized service workshop.
Replace the spark plug. Check that the spark plug is fitted with a
suppressor.
X
X
X
Check and clean the spark arrestor mesh on the muffler (only applies to
mufflers fitted with a catalytic converter).
To reduce the fire hazard, clean dirt, leaves and surplus lubricant, etc from
the muffler and engine.
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TECHNICAL DATA
Technical data
Technical data
325HDA65
323HE3
325HE3
325HE4
Engine
Cylinder displacement, cm3
24,5
24,5
24,5
24,5
Cylinder bore, mm
34,0
34,0
34,0
34,0
Stroke, mm
27
27
27
27
Idle speed, rpm
2700
2700
2700
2700
Recommended max. speed, rpm
Max. engine output, acc. to ISO 8893
Catalytic converter muffler
Speed-regulated ignition system
Ignition system
11000-12600
0,8/9000
Yes
11000-12600
0,8/9000
Yes
11000-12600
0,8/9000
Yes
11000-12600
0,8/9000
Yes
Yes
Yes
Yes
Yes
WalbroMB/
SEM AM49
WalbroMB/
SEM AM49
WalbroMB/
SEM AM49
WalbroMB/
SEM AM49
Manufacturer/type of ignition system
Spark plug
NGK BPMR 7A NGK BPMR 7A NGK BPMR 7A NGK BPMR 7A
Electrode gap, mm
0,5
0,5
0,5
0,5
Fuel and lubrication system
Manufacturer/type of carburettor
Fuel tank capacity, litre
Weight
Zama C1Q
0,5
Zama C1Q
0,5
Zama C1Q
0,5
Zama C1Q
0,5
Weight without fuel, kg
Noise emissions
5,9
5,8
6,0
6,2
(see note 1)
Sound power level, measured dB(A)
Sound power level, guaranteed LWA dB(A)
Sound levels
108
110
104
110
104
110
105
110
(see note 2)
Equivalent noise pressure level at the operator’s ear,
measured according to EN/ISO 11806 and ISO 7917, dB(A):
97
94
92
91
Vibration levels
Vibration levels at handles, measured according to
EN/ISO 11806 and ISO 7916, m/s2
Idle speed, front/rear handles:
Max. speed, front/rear handles:
Blades
3,2/1,5
6,6/7,1
3,4/1,5
5,1/8,0
1,3/2,1
3,0/5,9
2,2/1,8
7,5/6,6
Length, mm
650
550
550
550
Blade speed, cuts/min
4184
4184
4184
4184
Note 1: Noise emissions in the environment measured as sound power (LWA) in conformity with EC directive 2000/14/EC.
Note 2: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 idling and 1/2 max speed.
EC-declaration of conformity (Applies to Europe only)
Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare under sole responsibility that the hedge trimmers
Husqvarna 325HDA65, 323HE3, 325HE3 and 325HE4 from 2002's serial numbers and onwards (the year is clearly stated in plain text
on the type plate with subsequent serial number), are in conformity with the standards or or other normative documents following the
provisions in the COUNCIL'S DIRECTIVES:
- of June 22, 1998 ”relating to machinery” 98/37/EC, annex IIA.
- of May 3, 1989 ”relating to electromagnetic compatibility” 89/336/EEC, and applicable supplements.
- of May 8, 2000 ”relating to the noise emissions in the environment” 2000/14/EC. Conformity assessment according to Annex V.
For information relating to noise emissions, see the chapter Technical data.The following standards have been applied: EN ISO 12100-
2, CISPR 12:1997, EN774
SMP Svensk Maskinprovning AB, Fyrisborgsgatan 3, SE-754 50 Uppsala, Sweden, has carried out voluntary type approval for
Husqvarna AB. The certificates have the numbers: SEC/00/789, 01/094/012 - 325HDA65, SEC/05/1050, 01/094/002 - 323HE3, SEC/
00/790, 01/094/002 - 325HE3, SEC/00/791, 01/094/001 - 325HE4
Huskvarna, 25 November 2006
Michael Kullberg, Business manager
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1150278-26
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