Husqvarna 533RS Manuale utente

Tipo
Manuale utente
533RS, 543RS, 553RS
EN Operator's manual 2-32
ES Manual de usuario 33-64
PT Manual do utilizador 65-95
IT Manuale dell'operatore 96-126
Contents
Introduction..................................................................... 2
Safety..............................................................................4
Assembly...................................................................... 11
Operation...................................................................... 15
Maintenance................................................................. 22
Troubleshooting............................................................ 27
Transportation and storage...........................................28
Technical data.............................................................. 28
Accessories.................................................................. 29
Declaration of Conformity............................................. 31
Appendix ....................................................................127
Introduction
Product description
This product is a brushcutter with a combustion engine.
Work is constantly in progress to increase your safety
and efficiency during operation. Speak to your servicing
dealer for more information.
Intended use
Use the product with a saw blade, a grass blade or a
trimmer head to cut different types of vegetation. Do
not use the product for other tasks than grass trimming,
grass clearing and forestry clearing. Use a saw blade to
cut fibrous types of wood. Use a grass blade or trimmer
head to cut grass.
Note: National or local regulations can regulate the
use. Comply to given regulations.
Only use the product with accessories that are approved
by the manufacturer. Refer to .
Product overview
11
1
3
2
4
10
12
13
15
16
17
18
19 20
22
23
24
29
30
25
9
8
76
21
5
1
27
14
26
28
13
12
11
27 14
543RS, 553RS
533RS
1. Blade
2. Grease filler cap, bevel gear
3. Bevel gear
4. Cutting attachment guard
5. Shaft
6. Start throttle button
7. Stop switch
8. Throttle control
21756 - 001 - 08.06.2022
9. Throttle lockout
10. Suspension ring
11. Cylinder cover
12. Starter rope handle
13. Fuel tank
14. Choke control
15. Air filter cover
16. Handlebar
17. Clutch cover
18. Locknut
19. Support flange
20. Support cup
21. Handlebar clamp
22. Operator's manual
23. Transport guard
24. Socket wrench
25. Locking pin
26. Harness
27. Air purge bulb
28. Guard extension
29. Trimmer head
30. Screwdriver
Symbols on the product
WARNING: This product can be
dangerous and cause serious injury or
death to the operator or others. Be careful
and use the product correctly.
Read the operator's manual carefully
and make sure that you understand the
instructions before use.
Use a protective helmet in locations where
objects can fall on you. Use approved
hearing protection and approved eye
protection.
Maximum speed of the output shaft.
The product agrees with the applicable
EC directives.
This product conforms to the applicable
UK regulations.
The product can cause objects to eject,
which can cause injury.
50FT
15 m
50FT
15 m
Keep a minimum distance of 15 m / 50 ft.
to persons and animals during operation
of the product.
Risk of blade thrust if the cutting
equipment touches an object that it does
not immediately cut. The product can cut
off body parts. Keep a minimum of 15
m / 50 ft. distance to persons and animals
during operation of the product.
The arrows shows the limit for the handle
position.
Choke.
Air purge bulb.
Hot surface.
Use approved protective gloves.
Use heavy-duty slip-resistant boots.
Noise emissions to the environment
label as per EU and UK directives
and regulations, and New South Wales
legislation "Protection of Environment
Operations (Noise Control) Regulation
2017". The guaranteed sound power level
of the product is specified in
Technical
data on page 28
.
yyyywwxxxx
The rating plate or the laser printing
shows the serial number. yyyy is the
production year and ww is the pro-
duction week.
Note: Other symbols/decals on the product refer to
certification requirements for other commercial areas.
1756 - 001 - 08.06.2022 3
Euro V Emissions
WARNING: Tampering with the engine
voids the EU type-approval of this product.
Product liability
As referred to in the product liability laws, we are not
liable for damages that our product causes if:
the product is incorrectly repaired.
the product is repaired with parts that are not
from the manufacturer or not approved by the
manufacturer.
the product has an accessory that is not from the
manufacturer or not approved by the manufacturer.
the product is not repaired at an approved service
center or by an approved authority.
Safety
Safety definitions
Warnings, cautions and notes are used to point out
specially important parts of the manual.
WARNING: Used if there is a risk of
injury or death for the operator or bystanders
if the instructions in the manual are not
obeyed.
CAUTION: Used if there is a risk of
damage to the product, other materials or
the adjacent area if the instructions in the
manual are not obeyed.
Note: Used to give more information that is necessary
in a given situation.
General safety instructions
WARNING: Read the warning
instructions that follow before you use the
product.
Do not do changes to the product without approval
from the manufacturer and always use original
accessories. Not approved modifications and/or
accessories can result in serious injury or the death
of the operator or others.
The inner side of the muffler contains chemicals that
may be carcinogenic. Do not touch the muffler if it is
damaged.
This product produces an electromagnetic field
during operation, which can cause interference with
medical implants. This can cause serious injury or
death. Speak to your physician and the medical
implant manufacturer before use.
Do not touch the spark plug or spark plug cord when
the engine is on. Risk of electrical shock.
Your warranty may not be approved for damages
caused by accessories or spare parts that are not
approved.
Safety instructions for assembly
WARNING: Read the warning
instructions that follow before you use the
product.
Remove the spark plug cap from the spark plug
before you assemble the product.
Use approved protective gloves.
Make sure that you assemble the cover and shaft
correctly before you start the engine.
The drive disc and support flange must engage
correctly in the center hole of the cutting attachment.
A cutting attachment that is attached incorrectly can
cause serious injury or death of the operator or
others.
To operate the product safely and prevent injury
to the operator or other persons, the product must
always be attached correctly to the harness.
Safety instructions for operation
WARNING: Read the warning
instructions that follow before you use the
product.
You must understand the difference between grass
clearing and grass trimming before use.
If you encounter a situation where you are uncertain
how to proceed you should ask an expert. Contact
your dealer or your service workshop. Avoid all
usage which you consider to be beyond your
capability.
Never use a product that is faulty. Carry out the
safety 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
Safety
devices on the product on page 6
All covers, guards and handles must be fitted before
you start the product. Ensure that the spark plug cap
and ignition lead are undamaged to avoid the risk of
electric shock.
Never use the product if you are fatigued, while
under the influence of alcohol or drugs, medication
41756 - 001 - 08.06.2022
or anything that could affect your vision, alertness,
coordination or judgement.
Do not use the product in bad weather such
as dense fog, heavy rain, strong wind, intense
cold, etcetera. Working in bad weather is tiring
and often brings added risks, such as icy ground,
unpredictable felling direction, etcetera.
The only accessories you can operate with this
engine unit are the cutting attachments that we
recommend in the chapter
Accessories 533RS on
page 30
.
Never allow children to use or be in the vicinity of the
product. As the product is equipped with a spring-
loaded start/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 product. This can mean
a risk of serious personal injury. Therefore remove
the spark plug cap when the product is not under
close supervision.
Running an engine in a confined or badly ventilated
area can result in death due to asphyxiation or
carbon monoxide poisoning.
The complete clutch cover and shaft must be fitted
before the product is started, otherwise the clutch
can come loose and cause personal injury.
Ensure that no people or animals come closer than
15 metres while you work. When several operators
are working in the same area the safety distance
should be at least 15 metres. Otherwise there is
a risk of serious personal injury. Stop the product
immediately if anyone approaches. Never swing the
product around without first checking behind you to
make sure that noone is within the safety zone.
Ensure that people, animals or other things can
not affect your control of the product or that they
do not come in contact with the cutting attachment
or loose objects that are thrown out by the cutting
attachment. However, do not the product unless you
are able to call for help in the event of an accident.
Always inspect the working area. Remove all loose
objects such as stones, broken glass, nails, steel
wire, string, etcetera, that could be thrown out or
become wrapped around the cutting attachment.
Make sure that you can move and stand safely.
Check the area around you for possible obstacles
(roots, rocks, branches, ditches, etcetera) in case
you have to move suddenly. Take great care when
you work on sloping ground.
Keep a good balance and a firm foothold at all times.
Do not overreach.
Always hold the product with both hands. Hold the
product on the right side of your body.
Always use the harness. Make sure that you
attach the harness to the suspension ring.
Keep the cutting attachment below waist level.
Switch off the engine before you move to another
area. Fit the transportation guard before you carry or
transport the equipment any distance.
Never put the product down with the engine running
unless you have it in clear sight.
Stop the engine and cutting equipment before you
remove material that has wound around the blade
shaft. Neither the operator of the product nor anyone
else may attempt to remove the cut material while
the engine is running or the cutting equipment is
rotating, as this can result in serious injury. The
bevel gear can get hot during use and may remain
so for a while afterwards. You could get burnt if you
touch it.
Watch out for thrown objects. Always wear
approved eye protection. Never lean over the cutting
attachment guard. Stones, rubbish, etcetera, can be
1756 - 001 - 08.06.2022 5
thrown up into the eyes which can cause blindness
or serious injury.
Sometimes branches or grass get caught between
the guard and cutting attachment. Always stop the
engine before you clean the product.
Products that are fitted with saw blades or grass
blades can be thrown violently to the side when
the blade comes into contact with a fired object.
This is called blade thrust. A blade thrust can be
violent enough to cause the product and/or operator
to be propelled in any direction, and possibly lose
control of the product. Blade thrust can occur without
warning if the product snags, stalls or binds. Blade
thrust is more likely to occur in areas where it is
difficult to see the material being cut.
Avoid to cut with the area of the blade between the
12 o'clock and 3 o'clock positions. Because of the
speed of rotation of the blade, blade thrust can occur
if you attempt to cut thick stems with this area of the
blade.
Always slow the engine to idle speed after each
working operation. Long periods at full throttle
without any load on the engine can lead to serious
engine damage.
Listen out for warning signals or shouts when
you wear hearing protection. Always remove your
hearing protection as soon as the engine stops.
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.
These 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.
Do not use a product with a damaged spark plug
cap.
Do not use a product with a defective muffler.
Keep all parts of your body away from the rotating
cutting attachment and hot surfaces.
Always wear gloves when you handle the grass
blade.
Personal protective equipment
WARNING: Read the warning
instructions that follow before you use the
product.
Always use approved personal protective equipment
when you use the product. Personal protective
equipment cannot fully prevent injury but it
decreases the degree of injury if an accident does
occur. Let your dealer help you select the right
equipment.
Use a protective helmet where there is a risk of
falling objects.
Use approved hearing protection that provides
adequate noise reduction. Long-term exposure to
noise can result in permanent hearing impairment.
Use approved eye protection. If you use a visor,
you must also use approved protective goggles.
Approved protective goggles must comply with the
ANSI Z87.1 standard in the USA or EN 166 in EU
countries.
Use a visor for face protection. A visor is not enough
for protection of the eyes.
+
Use gloves when necessary, for example when you
attach, examine or clean the cutting equipment.
Use sturdy non-slip boots.
Use clothing made of a strong fabric. Always use
heavy, long pants and long sleeves. Do not use
loose clothing that can catch on twigs and branches.
Do not wear jewelry, short pants, sandals or go with
bare feet. Put your hair up safely above shoulder
level.
Keep first aid equipment close at hand.
Safety devices on the product
For information about where to find the safety devices,
see
Product overview on page 2
.
WARNING: Read the warning
instructions that follow before you use the
product.
Do not use a product with defective safety devices.
Do a check of and do maintenance on the safety
devices regularly. If the safety devices are defective,
speak to your Husqvarna service agent.
Do not make changes to safety devices. Do not
use the product if protective covers, safety switches
or other protective devices are not attached or are
defective.
For all service and repair work on the product,
especially for the safety devices, special training is
necessary. If the safety devices fail the checks given
in this operator's manual, you must let a service
agent help you. We guarantee that professional
61756 - 001 - 08.06.2022
repairs and service is available. If your dealer is not
a service agent, speak to them for information about
the nearest service agent.
Do not use a cutting attachment without an approved
and correctly attached cutting attachment guard.
See .
To do a check of the throttle trigger lockout
1. Make sure that the throttle trigger lockout (A) and
throttle trigger (B) move freely and that the return
spring operates correctly.
A
B
2. Push down the throttle trigger lockout and make
sure that it goes back to its initial position when you
release it.
3. Make sure that the throttle trigger is locked at the
idle position when the throttle trigger lockout is
released.
4. Start the product and apply full throttle.
5. Release the throttle trigger and make sure that the
cutting attachment stops and stays stationary.
WARNING: If the cutting
attachment moves when the throttle
trigger is in the idle position, then the
carburetor idle speed must be adjusted.
Refer to
To adjust the idle speed
(533RS) on page 23
.
To do a check of the stop switch
1. Start the engine.
2. Move the stop switch to the stop position and make
sure that the engine stops.
To do a check of the cutting attachment guard
The cutting attachment guard prevents injuries and
stops objects that eject in the direction of the operator.
1. Stop the engine.
2. Do a visual check for damages, for example cracks.
3. Replace the cutting attachment guard if it is
damaged.
To do a check of the vibration damping system
WARNING: Use of an incorrect cutting
attachment increases the level of vibration.
The vibration damping system decreases vibration in the
handles to a minimum. The vibration damping system
1756 - 001 - 08.06.2022 7
decreases the vibrations between the engine unit and
the shaft unit.
1. Stop the engine.
2. Do a visual check for deformation and damage, for
example cracks.
3. Make sure that the vibration damping units are
attached correctly.
To do a check of the quick-release mechanism
WARNING: Do not use a harness with
a defective quick-release mechanism.
The quick-release mechanism lets the operator remove
the product quickly from the harness if there is an
emergency.
1. Stop the engine.
2. Do a visual check for damage, for example cracks.
3. Release and attach the quick-release mechanism to
make sure that it operates correctly.
To do a check of the muffler
WARNING: Never use a product with a
faulty muffler.
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 product indoors or near
combustible material!
The muffler keeps noise levels to a minimum and sends
exhaust fumes away from the operator. For mufflers it is
very important that you follow the instructions on how to
check, maintain and service your product.
Regularly check that the muffler is securely attached to
the product.
To attach and remove the locknut
WARNING: Stop the engine, use
protective gloves and be careful around the
sharp edges of the cutting attachment.
A locknut is used to attach some types of cutting
attachments. The locknut has a left thread.
To attach, tighten the locknut in the opposite
direction to the direction of turning of the cutting
attachment.
To remove the locknut, loosen the locknut in the
same direction as the cutting attachment rotates.
81756 - 001 - 08.06.2022
To loosen and tighten the locknut, use a socket
wrench with a long shaft. The arrow in the picture
shows the area where you can operate the socket
wrench.
WARNING: When you loosen and
tighten the locknut, there is a risk of
injury from the blade. You must always
make sure that the blade guard prevents
injury to your hand when you do this.
Note: Make sure that you can not turn the locknut by
hand. Replace the nut if the nylon lining does not have
a resistance of a minimum of 1.5 Nm. The locknut must
be replaced after it has been put on approximately 10
times.
Cutting equipment
Choose and maintain the cutting equipment to:
Obtain maximum cutting performance.
Increase life span of the cutting equipment.
Follow the checking, maintenance and service
instructions for the muffler.
Always use the recommended guard for the cutting
equipment. See Technical data.
WARNING: Only use cutting
attachments with the guards we
recommend! See the chapter on Technical
data. Refer to the instructions for the cutting
attachment to check the correct way to load
the trimmer line and the correct trimmer line
diameter.
WARNING: A faulty cutting attachment
may increase the risk of accidents.
WARNING: Always stop the engine
before doing any work on the cutting
attachment. This continues to rotate even
after the throttle has been released. Ensure
that the cutting attachment has stopped
completely and disconnect the spark plug
cap before you start to work on it.
Cutting equipment
Use the blades to cut wood.
Use the blades and grass knives to cut coarse grass.
Use the trimmer head to cut grass.
An incorrectly sharpened or damaged blade
increases the risk of accidents. Keep the teeth of the
blade correctly sharpened. Follow the instructions in
To sharpen grass cutters and grass blades on page
26
and use the recommended file gauge.
Examine the cutting equipment for damage and
cracks. Replace the cutting equipment if it is
damaged.
Only use the cutting equipment with the
recommended guards. Refer to
Accessories on page
29
.
Trimmer head
WARNING: Always make sure that
the trimmer line is wound tightly and
equally around the drum to prevent harmful
vibration.
1756 - 001 - 08.06.2022 9
Only use recommended cutting attachments.
The length of the trimmer line is important. For a
longer trimmer line, more engine power is necessary
than for a shorter trimmer line of the same diameter.
Do not move the installation position of the trimmer
guard.
Make sure that the cutter on the trimmer guard is
not damaged. The cutter cuts the trimmer line to the
correct length.
Soak the trimmer line for 2 days before use, to
increase its life length.
Grass blades and grass cutters
Use the product with an approved grass blade. Do
not use a grass blade without proper installation of
all required parts. Make sure that the installation is
done correctly and that the proper parts are used.
Improper installation may cause the blade to fly off
and seriously injure the operator or the bystanders.
Wear protective gloves when you handle or do
maintenance on the blade.
Use head protection when you operate a product
with a grass blade.
Grass blades and grass cutters are used to cut
rough grass.
A grass blade can cause injury while it continues
to spin after the engine is stopped or the throttle
trigger is released. Make sure that the grass
blade has completely stopped rotating before any
maintenance.
Stop the engine before you do work on the cutting
attachment. Make sure the cutting attachment fully
stops. Disconnect the lead from the spark plug.
Only use an approved cutting attachment or a
correctly sharpened blade.
Keep the teeth of the blade correctly sharpened.
Do not use a damaged cutting attachment.
Attach the transport guard to the grass blade when
you transport or store the product.
Blade thrust
A blade thrust is a sudden movement of the product
to the side, forward or rearward. A blade thrust
occurs when the grass blade hits an object that
cannot be cut. In areas where it is not easy to
see the material being cut the risk of blade thrust
increases.
When a blade thrust occurs, there is a risk that the
product or the operator moves out of position. A
blade that moves can hit bystanders and there is a
risk of injuries.
If a blade is bent, has cracks, is broken or damaged,
discard the blade.
Use a sharp blade. The risk of blade thrust increases
when a blade is not sharp.
Fuel safety
Do not start the product if there is fuel or engine oil
on the product. Remove the unwanted fuel/oil and
let the product dry. Remove unwanted fuel from the
product.
If you spill fuel on your clothing, change clothing
immediately.
Do not get fuel on your body, it can cause injury. If
you get fuel on your body, use a soap and water to
remove the fuel.
Do not start the engine if you spill oil or fuel on the
product or on your body.
Do not start the product if the engine has a leak.
Examine the engine for leaks regularly.
Be careful with fuel. Fuel is flammable and the fumes
are explosive and can cause injuries or death.
Do not breathe in the fuel fumes, it can cause injury.
Make sure that there is a sufficient airflow.
Do not smoke near the fuel or the engine.
Do not put warm objects near the fuel or the engine.
Do not add the fuel when the engine is on.
Make sure that the engine is cool before you refuel.
Before you refuel, open the fuel tank cap slowly and
release the pressure carefully.
Do not add fuel to the engine in an indoor area. Not
sufficient airflow can cause injury or death because
of asphyxiation or carbon monoxide.
Tighten the fuel tank cap carefully or a fire can
occur.
Move the product at a minimum of 3 m (10 ft) from
the position where you filled the tank before a start.
Do not put too much fuel in the fuel tank.
Make sure that a leak cannot occur when you move
the product or fuel container.
Do not put the product or a fuel container where
there is an open flame, spark or pilot light. Make
sure that the storage area does not contain an open
flame.
Only use approved containers when you move the
fuel or put the fuel into storage.
Empty the fuel tank before long-term storage. Obey
the local law on where to dispose fuel.
Clean the product before long-term storage.
Remove the spark plug cable before you put the
product into storage to make sure that the engine
does not start accidentally.
10 1756 - 001 - 08.06.2022
Safety instructions for maintenance
WARNING: Read the warning
instructions that follow before you use the
product.
Stop the engine, make sure that the cutting
attachment stops and let the product cool down
before you do the maintenance.
Disconnect the spark plug cap before you do the
maintenance.
The exhaust fumes from the engine contain
carbon monoxide, an odorless, poisonous and very
dangerous gas that can cause death. Do not run the
product indoors or in closed spaces.
The exhaust fumes from the engine are hot and can
contain sparks. Do not run the product indoors or
near flammable material.
Accessories and changes to the product that are not
approved by the manufacturer, can cause serious
injury or death. Do not change the product. Always
use original accessories.
If the maintenance is not done correctly and
regularly, there is an increased risk of injury and
damage to the product.
Only do the maintenance as this operator's manual
recommends. Let an approved Husqvarna service
agent do all other servicing.
Let an approved Husqvarna service agent do
servicing on the product regularly.
Replace damaged, worn or broken parts.
Assembly
WARNING: Read the safety chapter
before you assemble the product.
Introduction
WARNING: Before you assemble the
product, you must read and understand the
safety chapter.
WARNING: Remove the spark plug
cable from the spark plug before you
assemble the product.
To install the handlebar
1. Install the handlebar in the handlebar clamp on the
shaft.
2. Install the protective sleeve.
To install blades and trimmer heads
WARNING: Only use the approved
guard for the blades. See
Technical data
on page 28
. A defective guard can cause
injury.
WARNING: If you operate the product
with a grass blade, first install the correct
handlebar, blade guard and harness .
WARNING: If you do not install the the
blades correctly, it can cause injury.
1756 - 001 - 08.06.2022 11
1. Make sure that the lifted section on the drive disc/
support flange engages correctly in the center hole
of the blades.
2. Install the blades.
To attach and remove the guard extension
The guard extension is used on the cutting attachment
guard. Attach the guard extension when you use a
trimmer head or plastic blades. Remove the extension
guard when you use a grass blade.
Put the guide on the guard extension into the slot
on the cutting attachment guard. Lock the 4 locking
hooks into position.
Release the locking hooks with a screwdriver to
remove the guard extension.
To install the blade guard
CAUTION: Only use the approved
guard for the blades. Refer to
Technical data
on page 28
.
1. Remove the bracket (H).
2. Attach the adapter (I) and bracket (J) with the 2
screws (K).
3. Attach the blade guard (A) to the adapter with the 4
screws (L).
J K
I
L
A
H
To install the saw blade
WARNING: There is a risk of injury
around the saw blade nut. Make sure that
the blade guard is correctly installed. Always
use protective gloves.
1. Attach the drive disc (B) to the output shaft.
2. Turn the blade shaft until one of the holes in the
drive disc aligns with the hole in the gear housing.
3. Put the locking pin or hex key (C) in the hole to lock
the shaft.
4. Install the saw blade (D) and the support flange (F)
to the output shaft.
5. Install the saw blade nut (G).
Note: The saw blade nut has a left hand thread.
6. Turn the socket wrench counterclockwise to tighten
the locknut. Make sure that the torque of the locknut
is 35-50 Nm (3.5-5 kpm). Hold the shaft of the socket
wrench as near the blade guard as possible.
GF
D
B
C
12 1756 - 001 - 08.06.2022
a) Make sure that you operate the socket wrench in
the identified area when you loosen or tighten the
saw blade nut.
To install the cutting attachment guard and the
grass blade (533RS)
1. Put the cutting attachment guard (A) onto the shaft
and tighten the bolt (B) to attach it.
A
B
2. Turn the output shaft to align 1 of the holes in
the drive disc (C) with the related hole in the gear
housing.
H
G
F
E
C
D
3. Put the locking pin (D) in the hole to lock the shaft.
4. Put the grass blade (E), the support cup (F) and the
support flange (G) on the output shaft.
5. Make sure that the drive disc and support flange
engages correctly in the center hole of the grass
blade.
6. Attach the nut (H).
7. Tighten the nut to the support flange with the socket
wrench. Hold the shaft of the socket wrench near the
blade guard. Tighten in the opposite direction to how
the cutting attachment rotates. Tighten it to a torque
of 35-50 Nm.
1756 - 001 - 08.06.2022 13
To install the cutting attachment guard and the
grass blade (543RS, 553RS)
1. Put the cutting attachment guard (A) onto the shaft
and tighten the bolt (B) to attach it.
B
A
2. Turn the output shaft to align 1 of the holes in
the drive disc (C) with the related hole in the gear
housing.
H
G
F
C
D
E
3. Put the locking pin (D) in the hole to lock the shaft.
4. Put the grass blade (E), the support flange (F) and
the support cup (G) on the output shaft.
5. Make sure that the drive disc and support flange
engages correctly in the center hole of the grass
blade.
6. Install the nut (H).
7. Tighten the nut to the support flange with the socket
wrench. Hold the shaft of the socket wrench near the
blade guard. Tighten in the opposite direction to how
the cutting attachment rotates. Tighten it to a torque
of 35-50 Nm.
To install the trimmer guard and the trimmer
head
Note: Make sure to use the correct trimmer guard for
the correct trimmer head.
1. Attach the trimmer guard (A) on the 2 hooks on the
plate holder (B).
2. Install the trimmer guard on the shaft and tighten it
with the bolt (C). Use the locking pin or a hex key (D)
to tighten the bolt.
A
E
G
BC
A
B
C
D
F
Note: Put the locking pin or a hex key in the
groove in the bolt head.
3. Put the drive disc (E) and the support flange (F) on
the output shaft.
4. Turn the output shaft until one of the holes in the
drive disc aligns with the hole in the gear housing.
5. Put the locking pin or a hex key in the hole to lock
the shaft.
14 1756 - 001 - 08.06.2022
6. Put a trimmer head or plastic blades on the output
shaft. Turn the trimmer head or plastic blades
counterclockwise to install.
7. To remove, follow the instructions in the opposite
sequence.
To install the transport guard
1. Install the blade in the transport guard (A).
2. Put the two fasteners (B) into the slots (C) to attach
the transport guard.
B
A
C
To adjust the harness
WARNING: The product must always
be correctly attached to the harness. Do not
use a defective harness.
1. Put on the harness.
2. Connect the product to the harness.
3. Adjust the harness for the best work position.
4. Adjust the side straps to make the product weigh
equally on your shoulders.
5. Adjust the harness until the cutting attachment is
parallel to the ground.
6. Let the cutting attachment lightly touch the ground.
Adjust the harness clamp to balance the product
correctly.
Note: If you use a grass blade, it must balance
approximately 10 cm /4 in above the ground.
Operation
WARNING: Read and understand the
safety chapter before you operate the
product.
Introduction
WARNING: Before you operate the
product, you must read and understand the
safety chapter.
Fuel
To use fuel
CAUTION: This product has a two-
cycle engine. Use a mixture of gasoline
and two-cycle engine oil. Make sure to use
the correct quantity of oil in the mixture.
Incorrect ratio of gasoline and oil can cause
damage to the engine.
Husqvarna alkylate fuel
We recommend you to use Husqvarna alkylate fuel for
best performance. The fuel contains less dangerous
material compared to regular fuel, which decreases
dangerous exhaust fumes. The fuel gives a low quantity
of dangerous remainings when it is combusted, which
keeps the components of the engine more clean. This
extends the life of the engine. Husqvarna alkylate fuel is
not available in all markets.
Gasoline
CAUTION: Do not use gasoline with an
octane number less than 90 RON (87 AKI).
This can cause damage to the product.
CAUTION: Do not use gasoline with
more than 10% ethanol concentration (E10).
This can cause damage to the product.
1756 - 001 - 08.06.2022 15
CAUTION: Do not use leaded gasoline.
This can cause damage to the product.
Always use new unleaded gasoline with a minimum
octane number of 90 RON (87 AKI) and with less
than 10% ethanol concentration (E10).
Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.
Always use a good quality unleaded gasoline/oil
mixture.
Two-stroke oil
For best results and performance use Husqvarna
two-stroke oil.
If Husqvarna two-stroke oil is not available, use a
two-stroke oil of good quality for air-cooled engines.
Speak to your servicing dealer to select the correct
oil.
CAUTION: Do not use two-stroke
oil for water-cooled outboard engines,
also referred to as outboard oil. Do not
use oil for four-stroke engines.
To mix gasoline and two-stroke oil
CAUTION: There is a risk that small
errors influence the ratio of the mixture
drastically when you mix small quantities of
fuel. Carefully measure the quantity of oil
to be mixed to make sure that you get the
correct mixture.
1. Fill half the quantity of the gasoline to be used.
2. Add the full quantity of oil and mix (shake) the fuel
mixture.
3. Add the remaining quantity of gasoline.
4. Carefully mix (shake) the fuel mixture and fill the fuel
tank of the product.
5. Empty and clean the fuel tank if you do not use the
product for some time.
Note: Do not mix fuel for more than 1 month at a time
and always mix gasoline and oil in a clean container
intended for fuel.
To add fuel
WARNING: Do not smoke or put hot
objects near fuel. Before you add fuel, stop
the engine and let it cool for minutes.
WARNING: When you add fuel, open
the fuel tank cap slowly to release unwanted
pressure.
WARNING: After you add fuel, tighten
the fuel tank cap carefully. Move the
machine away from the refuelling area and
the power before you start the engine.
Always use a fuel container with an anti-spill valve.
Make sure that the area near the fuel tank cap
is clean. Contamination in the tank can cause
operating problems.
Shake the fuel container before you add the fuel
mixture to the fuel tank.
To start and stop
Before you operate the product
Examine the work area to make sure that you know
the type of terrain, the slope of the ground and if
there are obstacles such as stones, branches and
ditches.
Do an overhaul inspection of the product.
Do the safety inspections, maintenance and
servicing that are given in this manual.
Make sure that all covers, guards, handles and the
cutting equipment are correctly attached and not
damaged.
Make sure that there are no cracks at the bottom of
the grass blade teeth or by the center hole of the
blade. Replace the blade if it is damaged.
16 1756 - 001 - 08.06.2022
Examine the support flange for cracks. Replace the
support flange if it is damaged.
Make sure that the locknut can not be removed by
hand. If you can remove it by hand, it does not
lock the cutting attachment sufficiently and you must
replace it.
Examine the blade guard for damages or cracks.
Replace the blade guard if it has been hit or if it has
cracks.
Examine the trimmer head and cutting attachment
guard for damages or cracks. Replace the trimmer
head and cutting attachment guard if they have been
hit or if they have cracks.
To start the product (533RS)
1. Move the stop switch to the start position.
2. Push the air purge bulb until fuel starts to fill the air
purge bulb.
3. Move the choke control to the choke position.
4. Hold the product to the ground.
5. Pull the starter rope handle slowly with your right
hand until you feel resistance.
WARNING: Do not wind the starter
rope around your hand.
CAUTION: Do not pull the starter
rope to full extension and do not let go of
the starter rope handle. This can cause
damage to the product.
6. Pull the starter rope handle quickly and with force
until the engine starts.
7. Set the choke control to the operation position.
1756 - 001 - 08.06.2022 17
WARNING: Keep body parts away
from the spark plug cap. Risk of burn
injuries. Do not use the product with
a damaged spark plug cap. Risk of
electrical shock.
To start the product (543RS, 553RS)
1. Move the stop switch to the start position.
2. Push the air purge bulb until fuel starts to fill the air
purge bulb.
3. Move the choke control to the choke position.
4. Hold the product to the ground.
5. Pull the starter rope handle slowly with your right
hand until you feel resistance.
WARNING: Do not wind the starter
rope around your hand.
CAUTION: Do not pull the starter
rope to full extension and do not let go of
the starter rope handle. This can cause
damage to the product.
6. Pull the starter rope handle quickly and with force
until the engine starts.
7. Set the choke control to the operation position.
WARNING: Keep body parts away
from the spark plug cap. Risk of burn
injuries. Do not use the product with
a damaged spark plug cap. Risk of
electrical shock.
To start with a throttle handle with a start
throttle lock
1. Push the throttle lockout and the throttle trigger to
set the throttle to the start position. Then push the
start throttle button (A).
2. Release the throttle lockout and the throttle trigger,
followed by the start throttle button. The throttle
function is now activated.
3. To return the engine to idle speed, push the throttle
lockout and throttle trigger again.
A
To stop the engine
1. Push the throttle trigger to the idle position.
2. Move the stop switch to the stop position.
18 1756 - 001 - 08.06.2022
To operate the grass trimmer
CAUTION: Make sure that you slow the
engine to idle speed after each operation. A
long period at full throttle without a load on
the engine can cause damage to the engine.
Note: Clean the cover of the trimmer head when
you attach a new trimmer line to prevent vibrations.
Examine other parts of the trimmer head and clean if
it is necessary.
General work instructions
WARNING: Be careful when you cut a
tree that is in tension. It can spring back to
its normal position before or after the cut and
hit you or the product, and cause injury.
Clear an open space at one end of the work area,
and start the work from there.
Move in a regular pattern across the work area.
Move the product fully to the left and right, to clear a
width of 4–5 m (13-16 ft) on each turn.
Clear a length of 75 m (250 ft) before you turn and
go back. Move the fuel can along with you as you
continue.
Move in a direction where you do not go across
ditches and obstacles more than necessary.
Move in a direction where the wind makes the cut
vegetation fall in the cleared area.
Move along slopes, not up and down.
Blade thrust
A blade thrust is when the product moves to the side
quickly and with force. A blade thrust occurs when the
grass blade or saw blade hits or catches on an object
that cannot be cut. A blade thrust can eject the product
or operator in all directions. There is a risk of injury to
the operator and bystanders.
The risk increases in areas where it is not easy to see
the material that is cut.
Do not cut with the area of the blade that is shown in
black. The speed and movement of the blade can cause
blade thrust. The risk increases with the thickness of the
branch that is cut.
Forestry clearing with a saw blade
To fell a tree to the left
To fell to the left, push the bottom of the tree to the right.
1. Apply full throttle.
2. Put the saw blade against the tree as given in the
picture.
3. Tilt the saw blade and push it with force diagonally
down to the right. At the same time, push the tree
with the blade guard.
To fell a tree to the right
To fell to the right, push the bottom of the tree to the left.
1. Apply full throttle.
2. Put the saw blade against the tree as given in the
picture.
1756 - 001 - 08.06.2022 19
3. Tilt the saw blade and push it with force diagonally
up and to the right. At the same time, push the tree
with the blade guard.
To fell a tree forward
To fell forward, push the bottom of the tree rearward.
1. Apply full throttle.
2. Put the saw blade against the tree as given in the
picture.
3. Pull the saw blade forward with a fast movement.
To fell large trees
Large trees must be cut from 2 sides.
1. Examine in which direction the tree will fall.
2. Apply full throttle.
3. Do the first cut on the side of the tree to which it will
fall.
4. Cut through the tree from the other side.
CAUTION: If the saw blade becomes
blocked, do not pull the product with a
sudden movement. That can cause damage
to the saw blade, bevel gear, shaft or
handlebar. Release the handles, hold the
shaft with 2 hands and carefully pull the
product.
Note: Use more cutting pressure fo fell small trees.
Use less cutting pressure to fell large trees.
Brush cutting with a saw blade
To fell to the left, push the bottom of the tree to the right.
Cut down thin trees and brush.
Move the product from side to side.
Cut many trees in one movement.
For groups of thin trees:
a) Cut the outer trees high up.
b) Cut the outer trees to the correct height.
c) Cut from the center. If you cannot get access to
the center, cut the outer trees high up and let
them fall. This decreases the risk that the saw
blade becomes blocked.
To clear grass with a grass blade
1. Keep your feet apart during operation of the product.
Make sure feet are tightly against the ground.
20 1756 - 001 - 08.06.2022
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Husqvarna 533RS Manuale utente

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