Husqvarna Saw K970 User Manual
Operator’s manual  
K 970 Ring  
Please read the operator’s manual carefully and make sure you understand the  
instructions before using the machine.It is the owner’s responsibility to make sure that  
any persons who use this power cutter have read this manual!  
English  
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CONTENTS  
Contents  
KEY TO SYMBOLS  
Symbols on the machine .............................................  
Explanation of warning levels ......................................  
CONTENTS  
2
2
Contents ......................................................................  
PRESENTATION  
Dear customer! ............................................................  
Features .......................................................................  
WHAT IS WHAT?  
3
4
4
What is what on the power cutter? ...............................  
MACHINE´S SAFETY EQUIPMENT  
General ........................................................................  
BLADES  
5
6
General ........................................................................  
Water cooling ...............................................................  
Diamond blades for different materials ........................  
Sharpening diamond blades ........................................  
Vibrations on diamond blades ......................................  
Drive .............................................................................  
Transport and storage ..................................................  
ASSEMBLING AND ADJUSTMENTS  
8
8
8
8
8
8
9
Fitting the blade ........................................................... 10  
Water hose ................................................................... 11  
FUEL HANDLING  
General ........................................................................ 12  
Fuel .............................................................................. 12  
Fueling ......................................................................... 12  
Transport and storage .................................................. 12  
OPERATING  
Protective equipment ................................................... 14  
General safety precautions .......................................... 14  
Transport and storage .................................................. 17  
STARTING AND STOPPING  
Before starting ............................................................. 18  
Starting ........................................................................ 18  
Stopping ....................................................................... 19  
MAINTENANCE  
General ........................................................................ 20  
Maintenance schedule ................................................. 20  
Cleaning ....................................................................... 21  
Functional inspection ................................................... 21  
Reconstructing the blade ............................................. 26  
TROUBLE SHOOTING  
Troubleshooting schedule ............................................ 27  
TECHNICAL DATA  
Technical data .............................................................. 28  
Cutting equipment ........................................................ 28  
FEDERAL EMISSION CONTROL WARRANTY  
STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS ..... 29  
English – 3  
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PRESENTATION  
SmartCarb™  
Dear customer!  
Built-in automatic filter compensation maintains high power  
Thank you for choosing a Husqvarna product!  
and reduces fuel consumption.  
It is our wish that you will be satisfied with your product and  
that it will be your companion for a long time. A purchase of  
one of our products gives you access to professional help with  
repairs and services. If the retailer who sells your machine is  
not one of our authorised dealers, ask him for the address of  
your nearest service workshop.  
Dura Starter™  
Dust sealed starter unit, where the return spring and the  
pulley bearing are sealed which makes the starter virtually  
maintenance free and even more reliable.  
This operator’s manual is a valuable document. Make sure it  
is always at hand at the work place. By following its content  
(using, service, maintenance etc) the life span and the  
second-hand value of the machine can be extended. If you  
ever lend or sell this machine, make sure that the borrower or  
buyer gets the operator′s manual, so they will also know how  
to properly maintain and use it.  
X-Torq®  
The X-Torq® engine provides a more accessible torque for a  
wider range of speeds which results in maximum cutting  
capacity. X-Torq® reduces the fuel consumption with up to  
20% and the emissions with up to 60%.  
EasyStart  
More than 300 years of innovation  
The engine and starter are designed to ensure quick and  
easy starting of the machine. Reduces the pull resistance in  
the starter cord with up to 40%. (Reduces the compression  
during starting.)  
Husqvarna AB is a Swedish company based on a tradition  
that dates back to 1689, when the Swedish King Charles XI  
ordered the construction of a factory for production of  
muskets. At that time, the foundation was already laid for the  
engineering skills behind the development of some of the  
world's leading products in areas such as hunting weapons,  
bicycles, motorcycles, domestic appliances, sewing  
machines and outdoor products.  
Air purge  
When you push the air purge diaphragm, fuel is pumped  
through to the carburettor. Fewer pulls are required for  
starting, meaning the machine becomes easier to start.  
Husqvarna is the global leader in outdoor power products for  
forestry, park maintenance and lawn and garden care, as well  
as cutting equipment and diamond tools for the construction  
and stone industries.  
Efficient vibration damping system  
Efficient vibration dampers spare arms and hands.  
User responsibility  
Large cutting depth  
Gives a cutting depth of 260 mm (10”) which is double the  
depth compared to traditional blades. Cuts can be made  
efficiently from one side.  
It is the owner’s/employer’s responsibility that the operator  
has sufficient knowledge about how to use the machine  
safely. Supervisors and operators must have read and  
understood the Operator’s Manual. They must be aware of:  
•
•
•
The machine’s safety instructions.  
The machine’s range of applications and limitations.  
How the machine is to be used and maintained.  
National legislation could regulate the use of this machine.  
Find out what legislation is applicable in the place where you  
work before you start using the machine.  
The manufacturer’s reservation  
All information and all data in the Operator’s Manual were  
applicable at the time the Operator’s Manual was sent to print.  
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.  
For customer assistance, contact us at our website:  
www.usa.husqvarna.com  
Features  
Values such as high performance, reliability, innovative  
technology, advanced technical solutions and environmental  
considerations distinguish Husqvarna's products.  
Some of the unique features of your product are described  
below.  
4 – English  
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WHAT IS WHAT?  
3
9
10  
1
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11  
12  
13  
8
5
6
14  
7
29  
15  
28  
16  
25  
26  
17  
18  
32  
19  
30  
31  
20  
25  
27  
35  
24  
23  
22  
21  
33  
34  
What is what on the power cutter?  
1
2
3
4
5
6
7
8
9
Control for the guide rollers  
19 Choke  
Grease nipples  
20 Rear handle  
21 Stop switch  
22 Air purge  
Blade guard/spray guard  
Diamond blade  
Locking button for the drive wheel  
Water connection with filter  
Fuel cap  
23 Cylinder cover  
24 Locking nuts for the support roller arms  
25 Support rollers  
26 Drive wheel  
Type plate  
Adjuster screws  
27 Guide rollers  
10 Cover screws  
11 Decompression valve  
12 Starter handle  
13 Throttle lockout  
14 Throttle trigger  
15 Front handle  
28 Tool bag  
29 Grease gun  
30 6 mm hex key  
31 Bearing grease  
®
32 Water connector, GARDENA  
33 Combination spanner, torx  
34 Open-ended spanner, 19 mm  
35 Operator’s manual  
16 Water tap  
17 Warning decal  
18 Air filter cover  
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MACHINE´S SAFETY EQUIPMENT  
•
Start the power cutter and apply full throttle. Release the  
General  
throttle control and check that the cutting blade stops and  
remains stationary. If the cutting blade rotates when the  
throttle is in the idle position you should check the  
carburettor’s idle adjustment. See instructions in the  
section "Maintenance".  
WARNING! Never use a machine that has  
faulty safety equipment! If your machine  
fails any of these checks contact your  
service agent to get it repaired.  
!
The engine should be switched off, and the  
stop switch in STOP position.  
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.  
Throttle lockout  
The throttle trigger lock is designed to prevent accidental  
operation of the throttle. When the lock (A) is pressed in this  
releases the throttle (B).  
Stop switch  
Use the stop switch to switch off the engine.  
Checking the stop switch  
The trigger lock remains pressed in as long as the throttle is  
pressed. When the grip on the handle is released the throttle  
trigger and the throttle trigger lock both return to their original  
positions.This is controlled by two independent return spring  
systems. This means that the throttle trigger is automatically  
locked in the idle position.  
•
Start the engine and make sure the engine stops when  
you move the stop switch to the stop setting.  
Checking the throttle lockout  
•
•
•
Make sure the throttle control is locked at the idle setting  
when the throttle lockout is released.  
Blade guards  
WARNING! Always check that the guard is  
correctly fitted before starting the machine.  
!
This guard is fitted above the blade and is designed to prevent  
parts of the blade or cutting fragments from being thrown  
towards the user.  
Press the throttle lockout and make sure it returns to its  
original position when you release it.  
Check that the throttle trigger and throttle lockout move  
freely and that the return springs work properly.  
Check the blade guards  
•
Check that the guard over the blade is not cracked or  
damaged in any other way. Replace when damaged.  
•
Also check that the blade is fitted correctly and is not  
damaged in anyway. A damaged blade can cause  
personal injuries.  
6 – English  
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MACHINE´S SAFETY EQUIPMENT  
Inspecting the muffler  
Vibration damping system  
Check regularly that the muffler is complete and secured  
correctly.  
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.These  
symptoms may be increased in cold  
temperatures.  
!
•
•
Your machine is equipped with a vibration damping  
system that is designed to reduce vibration and make  
operation easier.  
The machine′s vibration damping system reduces the  
transfer of vibration between the engine unit/cutting  
equipment and the machine′s handle unit. The engine  
body, including the cutting equipment, is insulated from  
the handles by vibration damping units.  
Checking the vibration damping system  
WARNING! The engine should be switched  
off, and the stop switch in STOP position.  
!
•
•
Check the vibration damping units regularly for cracks or  
deformation. Replace them if damaged.  
Check that the vibration damping element is securely  
attached between the engine unit and handle unit.  
Muffler  
WARNING! Never use a machine without a  
muffler, or with a faulty muffler. A damaged  
muffler may substantially increase the noise  
level and the fire hazard. Keep fire fighting  
equipment handy.  
!
The 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.  
The muffler is designed to keep noise levels to a minimum  
and to direct exhaust fumes away from the user.  
English – 7  
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BLADES  
The flanges on the two guide rollers run in the blade’s groove.  
General  
Springs on the guide rollers press out the rollers, which in turn  
press the V-shaped edge on the inside diameter of the blade  
against the V-shaped groove in the drive wheel. The drive  
wheel is fitted on an axle which is driven by the engine via a  
drive belt.  
WARNING! Cutting plastics with a diamond  
blade can cause kickback when the material  
melts due to the heat produced when cutting  
and sticks to the blade.  
!
!
This allows a total cutting depth of 260 mm (10 inches) with a  
350 mm (14 inches) diamond blade.  
WARNING! Diamond blades get very hot  
when used. An overheated blade is a result  
of improper use, and may cause deformation  
of the blade, resulting in damage and  
injuries.  
1
2
3
5
•
Diamond blades consist of a steel core provided with  
segments that contain industrial diamonds.  
4
Water cooling  
WARNING! Cool diamond blades for wet  
1
2
3
4
5
Blade  
cutting continuously with water to prevent  
overheating, which may deform the blade  
and cause damage to the blade and injury to  
the user.  
!
Support rollers  
Drive wheel  
Guide rollers  
V-shaped edge  
•
Water cooling must always be used.When wet cutting, the  
blade is continuously cooled to prevent overheating.  
Checking wear  
Diamond blades for different  
materials  
As the blade is used the inside diameter and the groove in the  
drive wheel become worn.  
•
Diamond blades are ideal for masonry, reinforced  
The ring cutter will also work well in the future if:  
concrete and other composite materials.  
•
the drive wheel is not too worn  
•
We offers a number of blades for different materials in its  
range. Check with your Husqvarna dealer to see which  
blades are best suited for your usage.  
1) New  
2) Worn  
Sharpening diamond blades  
•
Always use a sharp diamond blade.  
•
Diamond blades can become dull when the wrong feeding  
pressure is used or when cutting certain materials such as  
heavily reinforced concrete.Working with a blunt diamond  
blade causes overheating, which can result in the  
diamond segments coming loose.  
•
Sharpen the blade by cutting in a soft material such as  
sandstone or brick.  
•
the guide rollers are not too worn  
1) New, 3 mm (0.12’’)  
2) Worn, ≤ 1,5 mm (0.06’’)  
Vibrations on diamond blades  
•
The blade can become out of round and vibrate if a too  
high feed pressure is used.  
•
A lower feed pressure can stop the vibration. Otherwise  
replace the blade.  
Drive  
On account of the machine’s unique design the driving power  
is not transferred at the centre of the blade.  
8 – English  
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BLADES  
•
adjustment between the rollers and blade is correct. See  
instructions in the section "Assembling and adjustments".  
The roller setting should be checked twice during the life  
of the diamond blade, once after fitting the blade and  
when the blade is semi worn.  
Transport and storage  
•
Store the blade in a dry place.  
•
Inspect new blades for transport or storage damage.  
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ASSEMBLING AND ADJUSTMENTS  
•
Loosen the knob to offload the springs.  
Fitting the blade  
WARNING! It is forbidden to reconstruct a  
used blade. A used blade may be weakened.  
A reconstructed blade can crack or break  
into pieces and seriously injury the operator  
or other persons.  
!
WARNING! Check that the blade is not  
damaged before fitting it on the machine.  
Damaged blades can disintegrate and cause  
serious personal injury.  
!
•
Remove the four screws holding the support roller guard  
using a 6 mm hex key and lift off the cover.  
NOTICE! Replace the drive wheel when fitting a new blade.  
A worn drive wheel can result in the blade slipping and  
becoming damaged.  
Inadequate water flow drastically shortens the life of the  
drive wheel.  
•
•
Wipe off any dirt from the surface of the blade.  
•
•
Fit the blade.  
The blade has a groove (1) on one side that acts a the  
guide groove for the support rollers. Ensure that the V-  
shaped edge of the blade enters the drive wheel and that  
the blade’s guide groove fits in the guide rollers.  
Loosen the locking nuts on the support roller cover.  
•
Unscrew the adjuster screws a few turns.  
•
•
Ensure that the V-shaped edge of the blade enters the  
drive wheel and that the blade’s guide groove fits in the  
guide rollers. See instructions in the section "Blades".  
Press in the guide roller if necessary, so that it climbs into  
the groove on the blade.  
10 – English  
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ASSEMBLING AND ADJUSTMENTS  
•
Fit the support roller cover. Now tighten the four screws  
•
Tighten the locking nuts on the support roller guard.  
fully.  
•
Rotate the blade and make sure that the support rollers  
are not clamped against the blade.  
•
Rotate the blade and make sure you can still hold the  
rollers with your thumb when the blade is rotated.  
The machine shall stand upright when checking the roll  
pressure. If the machine lies on its side the weight of the  
blade makes it difficult to make a correct adjustment.  
•
Adjust the adjuster screws so that the support rollers  
make contact against the blade.  
•
Tighten the knobs fully and the machine is ready to use.  
CAUTION! Incorrect adjustment can result in damage to the  
blade.  
•
Adjust so you can easily stop the support rollers using  
your thumb when the blade is rotated.The support rollers  
should only follow the blade occasionally.  
If the blade rotates slowly or stops, stop cutting immediately  
and trouble shoot.  
Water hose  
Connect the water hose to the water supply.The water flow is  
activated by opening the check valve. Minimum water flow: 4  
l/min Note that the machine’s hose nipple is fitted with a filter.  
English – 11  
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FUEL HANDLING  
Mixing  
General  
•
Always mix the gasoline and oil in a clean container  
intended for fuel.  
WARNING! Running an engine in a confined  
or badly ventilated area can result in death  
due to asphyxiation or carbon monoxide  
poisoning. Use fans to ensure proper air  
circulation when working in trenches or  
ditches deeper than one meter (3 foot).  
•
Always start by filling half the amount of the gasoline to be  
used. Then add the entire amount of oil. Mix (shake) the  
fuel mixture. Add the remaining amount of gasoline.  
!
•
•
Mix (shake) the fuel mixture thoroughly before filling the  
machine’s fuel tank.  
Fuel and fuel fumes are highly 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.  
Do not mix more than one month’s supply of fuel at a time.  
Mixing ratio  
1:50 (2%) for all engines.  
Gasoline, litre  
Two-stroke oil, litre  
2% (1:50)  
0,10  
0,20  
0,6/0,30  
0,40  
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!  
5
10  
15  
20  
Do not smoke and do not place any hot  
objects in the vicinity of fuel.  
US gallon  
1
US fl. oz.  
2 1/2  
Fuel  
2 1/2  
5
6 1/2  
12 7/8  
NOTICE! The machine is equipped with a two-stroke  
engine and must always been run using a mixture of  
gasoline 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.  
Fueling  
WARNING! Always stop the engine and let it  
cool for a few minutes before refuelling.The  
engine should be switched off, and the stop  
switch in STOP position.  
!
Gasoline  
When refuelling, open the fuel cap slowly so  
that any excess pressure is released gently.  
•
Use good quality unleaded gasoline.  
•
The lowest recommended octane grade is 87  
Clean the area around the fuel cap.  
((RON+MON)/2). If you run the engine on a lower octane  
grade than 87 so-called knocking can occur. This gives  
rise to a high engine temperature and increased bearing  
load, which can result in serious engine damage.  
Tighten the fuel cap carefully after refuelling.  
Negligence may lead to the start of a fire.  
Move the machine at least 10 ft (3 m) from  
the refuelling point before starting it.  
•
When working at continuous high revs a higher octane  
rating is recommended.  
Never start the machine:  
Environment fuel  
•
If you have spilled fuel or chain oil on the machine. Wipe  
off the spillage and allow remaining fuel to evaporate.  
The use of environmentl fuel (alkylate fuel), or environment  
fuel for four-stroke engines blended with two-stroke oil as set  
out below is recommended.  
•
If you have spilled 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.  
Ethanol blended fuel, E10 may be used (max 10% ethanol  
blend). Using ethanol blends higher than E10 will create lean  
running condition which can cause engine damage.  
•
If the machine is leaking fuel. Check regularly for leaks  
from the fuel cap and fuel lines.  
Two-stroke oil  
Transport and storage  
•
•
•
For best results and performance use HUSQVARNA two-  
stroke engine oil, which is specially formulated for our air-  
cooled two stroke-engines.  
•
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.  
Never use two-stroke oil intended for water-cooled  
engines, sometimes referred to as outboard oil (rated  
TCW).  
•
When storing and transporting fuel always use approved  
containers intended for this purpose.  
Never use oil intended for four-stroke engines.  
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FUEL HANDLING  
Long-term storage  
•
When storing the machine for long periods the fuel tank  
must be emptied.Contact your local gas station to find out  
where to dispose of excess fuel.  
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OPERATING  
•
•
•
Please read the operator’s manual carefully and make  
Protective equipment  
sure you understand the instructions before using the  
machine.  
General  
Keep in mind that it is you, the operator that is responsible  
for not exposing people or their property to accidents or  
hazards.  
•
Do not use the machine unless you are able to call for help  
in the event of an accident.  
The machine must be kept clean. Signs and stickers must  
be fully legible.  
Personal protective equipment  
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.  
Always use common sense  
It is not possible to cover every conceivable situation you can  
face. Always exercise care and use your common sense. If  
you get into a situation where you feel unsafe, stop and seek  
expert advice. Contact your dealer, service agent or an  
experienced user. Do not attempt any task that you feel  
unsure of!  
WARNING! The use of products such as  
cutters, grinders, drills, that sand or form  
!
material can generate dust and vapours  
which may contain hazardous chemicals.  
Check the nature of the material you intend  
to process and use an appropriate breathing  
mask.  
WARNING!The machine can be a dangerous  
tool if used incorrectly or carelessly, which  
!
can cause serious or fatal injury to the  
operator or others.  
Long-term exposure to noise can result in  
permanent hearing impairment. So always  
use approved hearing protection. 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 allow children or other persons not  
trained in the use of the machine to use or  
service it.  
Never allow anyone else to use the machine  
without first ensuring that they have  
understood the contents of the operator’s  
manual.  
Always wear:  
Never use the machine if you are fatigued,  
while under the influence of alcohol or  
drugs, medication or anything that could  
affect your vision, alertness, coordination or  
judgement.  
•
•
•
Approved protective helmet  
Hearing protection  
Approved eye protection. If you use a face shield 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.Visors must comply  
with standard EN 1731.  
WARNING! Unauthorized modifications and/  
or accessories may lead to serious injury or  
!
death to the user or others. Under no  
•
•
•
Breathing mask  
circumstances may the design of the  
machine be modified without the permission  
of the manufacturer.  
Heavy-duty, firm grip gloves.  
Tight-fitting, heavy-duty and comfortable clothing that  
permits full freedom of movement.  
Do not modify this product or use it if it  
appears to have been modified by others.  
•
Boots with steel toe-caps and non-slip sole  
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.  
Other protective equipment  
CAUTION! Sparks may appear and start a  
fire when you work with the machine. Always  
keep fire fighting equipment handy.  
!
Always use genuine accessories.  
•
•
Fire Extinguisher  
Your warranty may not cover damage or  
liability caused by the use of non-authorized  
accessories or replacement parts.  
Always have a first aid kit nearby.  
General safety precautions  
This section describes basic safety directions for using the  
machine. This information is never a substitute for  
professional skills and experience.  
14 – English  
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OPERATING  
•
Never move the machine when the cutting equipment is  
WARNING! This machine produces an  
electromagnetic field during operation.This  
field may under some circumstances  
interfere with active or passive medical  
implants.To reduce the risk of serious or  
fatal injury, we recommend persons with  
medical implants to consult their physician  
and the medical implant manufacturer  
before operating this machine.  
rotating. The machine is equipped with a friction retarder  
to shorten the stop time.  
!
•
The guard for the cutting equipment should be adjusted so  
that the rear section is flush with the work piece. Spatter  
and sparks from the material being cut are then collected  
up by the guard and led away from the user. The guards  
for the cutting equipment must always be fitted when the  
machine is running.  
Work area safety  
WARNING!The safety distance for the power  
cutter is 15 metres (50 foot).You are  
responsible to ensure that animals and  
onlookers are not within the working area.  
Do not start cutting until the working area is  
clear and you are standing firmly.  
!
•
Never use the kickback zone of the blade for cutting. See  
instructions under the heading "Kickback".  
•
•
Keep a good balance and a firm foothold.  
•
•
•
Observe your surroundings to ensure that nothing can  
affect your control of the machine.  
Never cut above shoulder height. Never cut from a ladder.  
Use a platform or scaffold when working at high altitude.  
Ensure that no one/nothing can come into contact with the  
cutting equipment or be hit by parts if the blade breaks.  
Do not use the machine in bad weather, such as dense  
fog, heavy rain, strong wind, intense cold, etc. Working in  
bad weather is tiring and can lead to dangerous  
conditions, e.g. slippery surfaces.  
•
Never start to work with the power cutter before the  
working area is clear and you have a firm foothold. Look  
out for any obstacles with unexpected movement. Ensure  
when cutting that no material can become loose and fall,  
causing operating injury.Take great care when working on  
sloping ground.  
•
Always hold the machine in a firm grip with both hands.  
Hold it so that the thumbs and fingers grip round the  
handles.  
•
•
Ensure that the working area is sufficiently illuminated to  
create a safe working environment.  
Make sure that no pipes or electrical cables are routed in  
the working area or in the material to be cut.  
Basic working techniques  
WARNING! Do not pull the power cutter to  
one side, this can cause the blade to jam or  
break resulting in injury to people.  
!
Under all circumstances avoid cutting with  
the side of the blade, as this will definitely  
result in damage, breakage or can cause  
serious injuries. Only use the cutting  
section.  
•
•
Stand at a comfortable distance from the work piece.  
Check that the blade is not in contact with anything when  
the machine is started.  
•
•
•
Apply the cutting blade gently with high rotating speed (full  
throttle) Maintain full speed until cutting is complete.  
Cutting plastics with a diamond blade can  
cause kickback when the material melts due  
to the heat produced when cutting and  
sticks to the blade. Never cut plastic  
materials with a diamond blade!  
Let the machine work without forcing or pressing the  
blade.  
Use a small part of the blade’s cutting area.  
•
•
The machine is designed and intended for cutting with  
diamond blades intended for ring cutters. The machine  
shall not be used with any other type of blade, or for any  
other type of cutting.  
Remain at a distance from the blade when the engine is  
running.  
English – 15  
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OPERATING  
•
Feed the machine in line with the blade.Side pressure can  
Small work  
destroy the blade and is extremely dangerous.  
First make a shallow marking cut, max 50-70 mm (2-3 inches)  
in depth. Now make the final cut.  
Cutting holes  
NOTICE! If the upper horizontal cut is made before the  
lower horizontal cut, the work piece will fall on the blade and  
jam it.  
•
First make the lower horizontal cut. Now make the two  
vertical cuts. Finish with the upper horizontal cut.  
•
Move the blade slowly backwards and forwards to give a  
small contact surface between the blade and material to  
be cut.This will mean the blade temperature is kept down  
resulting in efficient cutting.  
3
2
2
1
•
Remember to divide the blocks up into manageable  
pieces so that they can be transported and lifted safely.  
Cutting depth  
K 970 Ring can cut up to a depth of 260 mm (10 inches).  
Making a guide cut of 50-70 mm (2-3 inches) first, gives you  
better control of the machine. This means the water disc can  
penetrate into the workpiece and help control the machine.  
Attempting to saw the entire depth in one run takes longer.  
Working with several runs, 3 to 4 when the cut is 260 mm (10  
inches) in depth, is much quicker.  
When cutting out large holes it is important that the piece to  
be cut out is braced so that it cannot fall against the operator.  
1
2
3
4
260 mm  
10”  
Large work  
Cuts exceeding 1 m - secure a batten along the line to be cut.  
The batten acts as a guide. Use this guide to make a marking  
cut along the entire length of the cut, 50-70 mm (2-3 inches)  
in depth. Remove the guides once the marking cut has been  
made.  
16 – English  
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OPERATING  
Pinching kickback  
Kickback  
Pinching is when the cut closes and pinches the blade. If the  
blade is pinched or stalled the reactive force will be strong and  
you might not be able to control the power cutter.  
WARNING! Kickback can happen very  
suddenly and violently; kicking the power  
cutter and cutting blade back at the user. If  
this happens when the cutting blade is  
moving it can cause very serious, even fatal  
injuries. It is vital you understand what  
causes kickback and that you can avoid it by  
taking care and using the right working  
technique.  
!
The word kickback is used to describe the sudden reaction  
that causes the power cutter and cutting blade to be thrown  
from an object when the upper quadrant of the blade, known  
as the kickback zone, touches an object.  
If the blade is pinched or stalled in the kickback zone, the  
reactive force will push the power cutter up and back towards  
the user in a rotating motion causing serious or even fatal  
injury.  
How to aviod kickback  
Avoiding kickback is simple.  
•
The work piece must always be supported so that the cut  
stays open when cutting through. When the cut opens  
there is no kickback. If the cut closes and pinches the  
blade ther is always a risk of kickback.  
General rules  
Kickback only occurs when the cutting blades kickback zone  
touches an object.  
•
•
Take care when inserting the blade in an existing cut.  
Be alert to movement of the work piece or anything else  
that can occur, which could cause the cut to close and  
pinch the blade.  
Transport and storage  
•
•
•
•
Secure the equipment during transportation in order to  
avoid transport damage and accidents.  
•
•
Never use the kickback zone of the blade for cutting.  
For transport and storage of Blades, see the section  
"Blades".  
Keep a good balance and a firm foothold. Stand at a  
comfortable distance from the work piece.  
For transport and storage of fuel, see the section "Fuel  
handling".  
•
•
Always cut at maximum speed.  
Store the equipment in a lockable area so that it is out of  
reach of children and unauthorized persons.  
Take care when inserting the blade in an existing cut.  
Never cut in a narrower pre-cut cut.  
•
•
Never cut above shoulder height.  
Be alert to movement of the work piece or anything else  
that can occur, which could cause the cut to close and  
pinch the blade.  
English – 17  
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STARTING AND STOPPING  
•
Start throttle position - warm engine: The correct  
Before starting  
choke/start throttle setting is obtained by pulling the choke  
control to the choke position and then pushing it in again.  
This only engages the start throttle setting without any  
choke.  
WARNING! Please read the operator’s  
manual carefully and make sure you  
understand the instructions before using the  
machine.  
!
Wear personal protective equipment. See  
instructions under the heading ”Personal  
protective equipment”.  
Make sure no unauthorised persons are in  
the working area, otherwise there is a risk of  
serious personal injury.  
•
Air purge: Press the air purge diaphragm repeatedly until  
fuel fills the diaphragm (at least 6 times). The diaphragm  
need not be completely filled.  
Check that the fuel cap is properly secured,  
and that there is no fuel leakage. Risk of fire.  
•
Perform daily maintenance.See instructions in the section  
"Maintenance".  
Starting  
•
Decompression valve: Press in the valve to reduce the  
pressure in the cylinder, this is to assist starting the power  
cutter. The decompression valve should always be used  
when starting.The valve automatically returns to its initial  
position when the machine starts.  
Start the engine  
WARNING! The cutting blade rotates when  
the engine is started. Make sure it can rotate  
freely.  
!
•
Grip the front handle with your left hand.Put your right foot  
on the lower section of the rear handle pressing the  
machine against the ground. Never wrap the starter  
cord around your hand  
•
•
Stop switch: Make sure that the stop switch (STOP) is in  
the left position.  
•
•
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 throttle position - cold engine: Start throttle  
position and choke is obtained by pulling out the choke  
completely.  
NOTICE! 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.  
With a cold engine: The machine stops when the engine  
fires becase the chokel control is pulled out.  
Press the choke control and the decompression valve.  
Pull the starter handle until the engine starts.  
18 – English  
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STARTING AND STOPPING  
•
When the engine starts, quickly apply full throttle to  
automatically disengage fast idle.  
Stopping  
CAUTION! The cutting blade continue to  
rotate up to a minute after the motor has  
stopped. (Blade coasting.) Make sure that  
the cutting blade can rotate freely until it is  
completely stopped. Carelessness can  
result in serious personal injury.  
!
•
Stop the engine by moving the stop switch (STOP) to the  
right.  
English – 19  
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MAINTENANCE  
General  
WARNING! The user must only carry out the  
maintenance and service work described in  
this manual. More extensive work must be  
carried out by an authorized service  
workshop.  
!
The engine should be switched off, and the  
stop switch in STOP position.  
Wear personal protective equipment. See  
instructions under the heading ”Personal  
protective equipment”.  
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 servicing dealer.  
•
Let your Husqvarna dealer regularly check the machine and make essential adjustments and repairs.  
Maintenance schedule  
In the maintenance schedule you can see which parts of your machine that require maintenance, and with which intervals it should  
take place. The intervals are calculated based on daily use of the machine, and may differ depending on the rate of usage.  
Daily maintenance  
Cleaning  
Weekly maintenance  
Cleaning  
Monthly maintenance  
Cleaning  
External cleaning  
Cooling air intake  
Spark plug  
Fuel tank  
Functional inspection  
General inspection  
Throttle lockout*  
Stop switch*  
Functional inspection  
Vibration damping system*  
Muffler*  
Functional inspection  
Fuel system  
Air filter  
Drive belt  
Drive gear, clutch  
Blade guards*  
Carburetor  
Diamond blade**  
Guide rollers  
Starter  
Support rollers  
Drive wheel  
*See instructions in the section "Machine’s safety equipment".  
** See instructions in the section "Blades" and "Assembly and settings".  
20 – English  
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MAINTENANCE  
Guide rollers  
Cleaning  
Lubricating the guide rollers  
External cleaning  
•
Connect the grease gun to the grease nipples.  
•
Clean the machine daily by rinsing it with clean water after  
the work is finished.  
Cooling air intake  
•
Clean the cooling air intake when needed.  
NOTICE! A dirty or blocked air intake results in the machine  
overheating which causes damage to the piston and  
cylinder.  
•
Pump in grease until clean grease emerges from the  
overflow hole.  
Spark plug  
•
If the machine is low on power, difficult to start or runs  
poorly at idle speed: always check the spark plug first  
before taking other steps.  
•
•
Ensure that the spark plug cap and ignition lead are  
undamaged to avoid the risk of electric shock.  
If the spark plug is dirty, clean it and at the same time  
check that the electrode gap is 0.5 mm. Replace if  
necessary.  
Replacing the guide rollers  
Replace the guide rollers when half of the flange on the rollers  
is worn.  
1) New, 3 mm (0.12’’)  
NOTICE! Always use the recommended spark plug type!  
Use of the wrong spark plug can damage the piston/  
cylinder.  
2) Worn, ≤ 1,5 mm (0.06’’)  
These factors cause deposits on the spark plug electrodes,  
which may result in operating problems and starting  
difficulties.  
•
An incorrect fuel mixture (too much or incorrect type of  
oil).  
•
Remove the support roller cover.  
•
A dirty air filter.  
Functional inspection  
General inspection  
•
Check that nuts and screws are tight.  
English – 21  
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MAINTENANCE  
•
Lift off the blade.  
•
Insert the new guide roller in the chassis. Now press the  
guide roller into the knob.  
•
Unscrew the knob. First turn the knob a few turns until you  
feel a resistance. The guide roller then follows the knob  
out and stops when it feels a resistance.  
•
•
Lubricate the guide rollers. See instructions under the  
heading ”Lubricating the guide rollers”.  
The guide roller is pressed into the knob. In order to  
loosen the guide roller, you need to continue turning the  
knob until it loosens completely.  
Fit the blade. See instructions in the section "Assembling  
and adjustments".  
Support rollers  
Replace the support rollers when the roller surface is flat,  
when the groove on the roller surface has worn away.  
1) New  
2) Worn  
•
The guide roller can now be pulled out of the chassis.  
Replacing the support rollers  
•
Remove the support roller cover.  
•
Screw the knob until it bottoms, and then loosen the knob  
2 turns.  
22 – English  
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MAINTENANCE  
•
Use a 19 mm fixed spanner and a 13 mm combination  
Drive belt  
spanner to replace the rollers.  
Tensioning the drive belt  
If the drive belt slips, it must be tensioned. The tension of a  
new drive belt must be readjusted after one or two tanks of  
fuel have been used.  
When the machine is equipped with a friction retarder, a  
scraping sound can be heard from the bearing housing when  
the blade is turned by hand. This is quite normal. Please  
contact an accredited Husqvarna workshop if you have any  
questions.  
The drive belt is enclosed and well protected from dust and  
dirt.  
•
Dismantle the cover and loosen the belt tensioning screw.  
•
Lubricate using bearing grease inside the rollers before  
the new rollers are fitted.  
•
Press on the belt tensioner with your thumb to tension the  
belt. Now tighten the screw holding the belt tensioner.  
Drive wheel  
NOTICE! Replace the drive wheel when fitting a new blade.  
A worn drive wheel can result in the blade slipping and  
becoming damaged.  
Inadequate water flow drastically shortens the life of the  
drive wheel.  
Replacing the drive wheel  
Replacing the drive belt  
•
•
Lock the axle using the locking button.  
Loosen the centre screw and remove the washer.  
WARNING! Never start the engine when the  
belt pulley and clutch are removed for  
maintenance. Do not start the machine  
without the cutting arm or cutting head  
fitted. Otherwise the clutch could come  
loose and cause personal injuries.  
!
•
Dismantle the cover and loosen the belt tensioning screw.  
Push back the belt tensioning roller and install a new drive  
belt.  
•
You can now lift off the drive wheel.  
NOTICE! Make sure that both belt pulleys are clean and  
undamaged before a new drive belt is fitted.  
English – 23  
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MAINTENANCE  
•
Press on the belt tensioner with your thumb to tension the  
belt. Now tighten the screw holding the belt tensioner.  
Starter  
WARNING! When the recoil spring is wound  
up in the starter housing it is under tension  
and can, if handled carelessly, pop out and  
cause personal injury.  
!
Always be careful when changing the recoil  
spring or the starter cord. Always wear  
protective goggles.  
Checking the starter cord  
•
Fit the belt cover.  
•
Loosen the screws that hold the starter against the  
crankcase and remove the starter.  
Carburetor  
The carburettor is equipped with fixed needles to ensure the  
machine always receives the correct mixture of fuel and air.  
When the engine lacks power or accelerates poorly, do the  
following:  
•
Pull the cord out about 30 cm and lift it into the cut-out in  
the periphery of the starter pulley.When the cord is intact:  
Release the spring tension by letting the pulley rotate  
slowly backwards.  
•
Check the air filter and replace if necessary. When this  
does not help, contact an authorised service workshop.  
Adjusting the idle speed  
CAUTION! 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.  
•
•
Start the engine and check the idling setting. When the  
carburettor is set correctly the cutting blade should be still  
while engine is idling.  
Adjust the idle speed using the T screw. When an  
adjustment is necessary, first turn the screw clockwise  
until the blade starts to rotate. Now turn the screw anti-  
clockwise until the blade stops rotating.  
Changing a broken or worn starter cord  
•
Remove any remnants of the old starter cord and check  
that the return spring works. Insert the new starter cord  
through the hole in the starter housing and in the cord  
pulley.  
T
Rec. idle speed: 2700 rpm  
24 – English  
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MAINTENANCE  
•
Secure the starter cord around the cord pulley as  
•
Loosen the bolts holding the spring cassette.  
illustrated. Tighten the fastening well and ensure that the  
free end is as short as possible. Secure the end of the  
starter cord in the starter handle.  
Tensioning the recoil spring  
•
Guide the cord through the cut-out in the periphery of the  
pulley and wind the cord 3 times clockwise around the  
centre of the starter pulley.  
•
Remove the recoil spring by turning the starter over and  
loosen the hooks, with the help of a screwdriver. The  
hooks hold the return spring assembly on the starter.  
•
Now pull the starter handle and in doing so tension the  
spring. Repeat the procedure once more, but this time  
with four turns.  
•
Lubricate the recoil spring with light oil. Fit the pulley and  
tension the recoil spring.  
•
•
Note that the starter handle is drawn to its correct home  
position after tensioning the spring.  
Fitting the starter  
•
To fit the starter, first pull out the starter cord and place the  
starter in position against the crankcase. Then slowly  
release the starter cord so that the pulley engages with  
the pawls.  
Check that the spring is not drawn to its end position by  
pulling out the starter line fully. Slow the starter pulley with  
your thumb and check that you can turn the pulley at least  
a further half turn.  
Changing a broken recoil spring  
•
Undo the bolt in the centre of the pulley and remove the  
pulley.  
•
Tighten the screws.  
Fuel system  
General  
•
•
Check that the fuel cap and its seal are not damaged.  
Check the fuel hose. Replace when damaged.  
•
Bear in mind that the return spring lies tensioned in the  
starter housing.  
Fuel filter  
•
•
The fuel filter sits inside the fuel tank.  
The fuel tank must be protected from contamination when  
filling. This reduces the risk of operating disturbances  
caused by blockage of the fuel filter located inside the  
tank.  
•
The filter cannot be cleaned but must be replaced with a  
new filter when it is clogged. The filter should be  
changed at least once per year.  
English – 25  
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MAINTENANCE  
Air filter  
Reconstructing the blade  
The air filter only needs to be checked if the engine drops in  
power.  
WARNING! Ring cutter blades must not be  
reconstructed. Due to its design, a ring  
cutter blade is exposed to other strains than  
a centre driven 14 inch diamond blade.  
Firstly, the drive wheel is driven on the inner  
diameter of the blade so that both the  
surfaces of the drive wheel and the blade are  
exposed to wear.The core of the blade  
becomes thinner and the guide wider, which  
prevents the blade being driven by the  
wheel. Secondly, the blade is exposed to  
loads from the rollers and from the actual  
cutting process when the blade is not held  
completely straight. Strain builds up in the  
blade until it cracks or breaks if it has been  
reconstructed. A shattered blade can cause  
serious personal injuries to the user or other  
persons. For this reason Husqvarna does  
not approve ring cutting blades that have  
been reconstructed. Contact your  
•
Loosen the screws. Remove the air filter cover.  
!
•
Check the air filter and replace if necessary.  
Replacing the air filter  
NOTICE! The air filter must not be cleaned or blown clean  
with compressed air. This will damage the filter.  
•
Loosen the screws. Remove the cover.  
Husqvarna dealer for instructions.  
•
Replace the air filter.  
Drive gear, clutch  
•
Check the clutch centre, drive gear and clutch spring for  
wear.  
26 – English  
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TROUBLE SHOOTING  
Troubleshooting schedule  
WARNING! If service operations or trouble  
shooting does not require the machine to be  
on, the engine should be switched off, and  
the stop switch in STOP position.  
!
Problem  
Probable cause  
The blade does not rotate.  
Roller knobs not tightened fully.  
The blade not fitted on guide rollers correctly.  
Rollers tensioned too much.  
The blade rotates too slowly.  
Roller knobs not tightened fully.  
Worn drive wheel.  
The V-shaped inner diameter of the blade is worn.  
The springs on the guide rollers are weakened.  
Defective roller bearings.  
The blade jumps out of its position. Roller setting too loose.  
Worn guide rollers.  
The blade not fitted on guide rollers correctly.  
Damaged blade.  
The blade warps.  
Segments break.  
Rollers tensioned too much.  
Blade overheating.  
Bent, twisted or badly maintained blade.  
Continue to use the blade only if one segment is missing or leave for  
reconstruction when the blade is worn max 50 %.  
The blade cuts too slowly.  
The blade slips.  
Wrong blade for the material in question.  
The guide rollers does not move in and out freely. A seized roller can not press  
the blade hard enough against the drive wheel.  
Worn drive wheel. Abrasive material and too little water when cutting  
increases the wear on the wheel.  
Worn guide roller flange.When more than half of the width of the flange is worn  
the blade slips.  
The blade’s groove and inner edge are worn. Caused by inferior flushing of  
abrasive material and/or a worn drive wheel causing the blade to slip.  
English – 27  
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TECHNICAL DATA  
Technical data  
Motor  
K 970 Ring  
5.7/93.6  
2.2/56  
3
Cylinder displacement, cu.in/cm  
Cylinder bore, inch/mm  
Stroke, inch/mm  
1.5/38  
Idle speed, rpm  
2700  
Max. fast idle speed, rpm  
Power, kW/ rpm  
9300 (+/- 150)  
4.8/9000  
Ignition system  
Manufacturer of ignition system  
Type of ignition system  
SEM  
CD  
Champion RCJ 6Y/  
Spark plug  
NGK BPMR 7A  
Electrode gap, inch/mm  
Fuel and lubrication system  
Manufacturer of carburetor  
Carburetor type  
0.02/0.5  
Walbro  
RWJ5  
Fuel tank capacity, US pint/litre  
Weight  
2.11/1.0  
Power cutter without fuel and cutting blade, Lbs/kg  
29.9/13.6  
NOTE! This spark ignition system complies with the Canadian ICES-002 standard.  
Cutting equipment  
Max. peripheral speed, m/s / ft/s  
Blade diameter, mm/inches  
Cutting depth, mm/inches  
Max. engine speed, rpm  
Blade weight, kg  
2.2/55  
350/14  
260/10  
10000  
0.8  
Dimensions  
Height, mm/inches  
Length, mm/inches  
Width, mm/inches  
Water consumption, litres/min  
410/16  
715/28  
260/10  
4
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FEDERAL 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 Construction  
Products servicing dealer. If you have any questions  
regarding your warranty rights and responsibilities, you  
should contact your nearest authorized servicing dealer or  
call Husqvarna Construction Products, at 1-800-288-5040 or  
www.us.husqvarna.com .  
The EPA (The US Environmental Protection Agency),  
Environment Canada and Husqvarna Construction Products  
are pleased to explain the emissions control system warranty  
on your 2009 and later small nonroad engine. In U.S. and  
Canada, new small nonroad engines must be designed, built  
and equipped to meet the federal stringent anti-smog  
standards. Husqvarna Construction Products must warrant  
the emission control system on your small nonroad engine for  
the period of time listed below provided there has been no  
abuse, neglect or improper maintenance of your unit.Your  
emmission control system includes Parts such as the  
carburetor and the ignition system. Where a warrantable  
condition exists, Husqvarna Construction Products will repair  
your small nonroad engine at no cost to you. Expenses  
covered under warranty include diagnosis, parts and labor.  
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  
′
MANUFACTURER S WARRANTY  
approved Husqvarna Construction Products servicing dealer.  
COVERAGE  
CONSEQUENTIAL DAMAGES Husqvarna Construction  
Products may be liable for damages to other engine  
components caused by the failure of a warranted part still  
under warranty.  
The 2009 and later small nonroad engines are warranted for  
two years. If any emission related part on you engine (as  
listed above) is defective, the part will be repaired or replaced  
by Husqvarna Construction Products.  
WHAT IS NOT COVERED  
′
OWNER S WARRANTY  
All failures caused by abuse, neglect or improper  
RESPONSIBILITIES  
maintenance are not covered.  
As the small nonroad engine owner, you are responsible for  
the performance of the required maintenance listed in your  
Operator′s Manual. Husqvarna Construction Products  
recommends that you retain all receipts covering  
ADD -ON OR MODIFIED PARTS  
The use of add-on or modified parts can be grounds for  
disallowing a warranty claim. Husqvarna Construction  
Products is not liable to cover failures of warranted parts  
caused by the use of add-on or modified parts.  
maintenance on your small nonroad engine, but Husqvarna  
Construction Products cannot deny warranty solely for the  
lack of receipts or for your failure to ensure the performance  
of all scheduled maintenance. As the small nonroad engine  
owner, you should, however, be aware that Husqvarna  
Construction Products may deny you warranty coverage if  
your small nonroad 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 nonroad engine to a Husqvarna  
Construction Products 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. If you  
have any questions regarding your warranty rights and  
responsibilities, you should contact your nearest authorized  
servicing dealer or call Husqvarna Construction Products, at  
1-800-288-5040 or www.us.husqvarna.com .  
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 Construction Products, at  
1-800-288-5040 or www.us.husqvarna.com .  
WHERE TO GET WARRANTY SERVICE  
Warranty services or repairs shall be provided at all  
Husqvarna Construction Products authorized servicing  
dealers.  
MAINTENANCE, REPLACEMENT AND  
REPAIR OF EMISSION-RELATED PARTS  
Any Husqvarna Construction Products 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 nonroad engine  
is delivered.  
LENGTH OF COVERAGE  
Husqvarna Construction Products 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.  
EMISSION CONTROL WARRANTY PARTS  
LIST  
1
Carburetor and internal parts  
2
Intake pipe, airfilter holder and carburetor bolts.  
English – 29  
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FEDERAL EMISSION CONTROL WARRANTY STATEMENT  
3
4
Airfilter and fuelfilter covered up to maintenance schedule.  
Ignition System  
1
2
Spark Plug, covered up to maintenance schedule  
Ignition Module  
MAINTENANCE STATEMENT  
The owner is responsible for the performance of all required  
maintenance, as defined in the operator’s manual.  
30 – English  
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WARNING! Cutting, especially when DRY  
cutting, generates dust that comes from the  
material being cut, which frequently  
contains silica. Silica is a basic component  
of sand, quartz, brick clay, granite and  
numerous other minerals and rocks.  
Exposure to excessive amount of such dust  
can cause:  
!
Respiratory disease (affecting your ability to  
breath), including chronic bronchitis,  
silicosis and pulmonary fibrosis from  
exposure to silica.These diseases may be  
fatal;  
Skin irritation and rash.  
Cancer according to NTP* and IARC*  
*/ NationalToxicology Program, International  
Agency for Resaearch on Cancer  
Take precautionary steps:  
Avoid inhalation of and skin contact with  
dust, mist and fumes.  
Wear and ensure that all bystanders wear  
appropriate respiratory protection such as  
dust masks designed to filter out  
microscopic particles. (See OSHA 29 CFR  
Part 1910.1200)  
Wet cut when feasible, to minimize dust.  
Original instructions  
1152681-95  
´®z+Td3¶5¢¨  
rev. 2  
2012-01-18  
´®z+Td3¶5¢¨  
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