Husqvarna Saw K960 Rescue User Manual

Operator’s manual (EPA)  
K960  
K960 Rescue  
Please read the operator’s manual carefully and make sure you understand the  
instructions before using the machine.  
English  
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CONTENTS  
Contents  
KEY TO SYMBOLS  
Symbols on the machine: .............................................  
Symbols in the operator’s manual: ...............................  
CONTENTS  
Contents ......................................................................  
WHAT IS WHAT?  
4
5
What is what on the power cutter - K960? ...................  
WHAT IS WHAT?  
What is what on the power cutter - K960 Rescue? ......  
SAFETY INSTRUCTIONS  
Steps before using a new power cutter ........................  
Personal protective equipment .....................................  
General safety precautions ..........................................  
Machines safety equipment ........................................  
Cutting blades .............................................................. 10  
General working instructions ....................................... 12  
ASSEMBLY  
Checking the drive axle and flange washers ............... 14  
Fitting the cutting blade ................................................ 14  
Guard for the blade ...................................................... 14  
FUEL HANDLING  
Fuel .............................................................................. 15  
Two-stroke oil ............................................................... 15  
Fueling ......................................................................... 15  
STARTING AND STOPPING  
Before starting ............................................................. 16  
Starting ........................................................................ 16  
MAINTENANCE  
Tensioning the drive belt .............................................. 17  
Replacing the drive belt ............................................... 17  
Belt pulley and clutch ................................................... 17  
Carburetor .................................................................... 17  
Fuel filter ...................................................................... 18  
Air filter ......................................................................... 18  
Starter .......................................................................... 18  
Spark plug .................................................................... 20  
Cooling system ............................................................ 20  
Muffler .......................................................................... 20  
General maintenance instructions ............................... 21  
TECHNICAL DATA  
K960, K960 Rescue ..................................................... 22  
Cutting equipment ........................................................ 22  
FEDERAL EMISSION CONTROL WARRANTY  
STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS ..... 23  
English – 3  
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WHAT IS WHAT?  
What is what on the power cutter - K960?  
1
2
3
4
5
6
7
8
9
Front handle  
Warning decal  
Air filter cover  
Cylinder cover  
Choke  
14 Water tap  
15 Muffler  
16 Guard for the blade  
17 Adjustment handle for blade guard  
18 Water kit  
Throttle lockout  
Start throttle lock  
Type plate  
19 Throttle control  
20 Water connector  
21 Cutting arm  
Stop switch  
22 Belt tensioner  
10 Fuel tank  
23 Cutting head  
11 Starter handle  
12 Starter  
24 Cutting blade  
25 Combination spanner  
26 Operator’s manual (EPA)  
13 Decompression valve  
4 – English  
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WHAT IS WHAT?  
What is what on the power cutter - K960 Rescue?  
1
2
3
4
5
6
7
8
9
Front handle  
Warning decal  
Air filter cover  
Cylinder cover  
Choke  
13 Decompression valve  
14 Muffler  
15 Blade guards  
16 Adjustment handle for blade guard  
17 Harness  
Throttle lockout  
Start throttle lock  
Type plate  
18 Throttle control  
19 Cutting arm  
20 Belt tensioner  
Stop switch  
21 Cutting head  
10 Fuel tank  
11 Starter handle  
12 Starter  
22 Blade  
23 Combination spanner  
24 Operator’s manual (EPA)  
English – 5  
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SAFETY INSTRUCTIONS  
Steps before using a new power  
cutter  
Personal protective equipment  
WARNING!You must use approved personal  
Please read the operator’s manual carefully and make  
sure you understand the instructions before using the  
machine.  
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.  
!
Check the assembly and adjustment of the cutting blade.  
See the instructions under the heading Assembling the  
cutting blade.  
Start the engine and check the idling setting, see  
Protective helmet  
instructions under the heading Maintenance. When the  
carburettor is set correctly the cutting blade should be still  
while idling. Setting of the idle speed is described under  
the heading Fine adjustment of the idle speed T. Set the  
correct speed according to these instructions. Do not use  
the power cutter if the idle speed is not adjusted correctly!  
Hearing protection  
Protective goggles or a visor  
Let your Husqvarna dealer regularly check the power  
cutter and make essential adjustments and repairs.  
Breathing mask  
The Rescue blade is to be used only for rescue missions  
and only by trained staff.  
WARNING! Under no circumstances may the  
design of the machine be modified without  
the permission of the manufacturer. Always  
use genuine accessories. Non-authorized  
modifications and/or accessories can result  
in serious personal injury or the death of the  
operator or others.  
!
Heavy-duty, rm grip gloves.  
WARNING! Use of products which cut, grind,  
drill, sand or shape material can generate  
dust and vapors which may contain harmful  
chemicals. Know the nature of the material  
being worked on and wear appropriate dust  
mask or respirator protection.  
!
Tight-fitting, heavy-duty and comfortable clothing that  
permits full freedom of movement.  
WARNING! A power cutter is a dangerous  
tool if used carelessly or incorrectly and can  
cause serious, even fatal injuries. It is  
extremely important that you read and  
understand the contents of this Operator’s  
Manual.  
!
Use leg-guards recommended for the material to be cut.  
Boots with steel toe-caps and non-slip sole  
WARNING! The ignition system of this  
machine produces an electromagnetic field  
during operation.This field may under some  
!
circumstances interfere with pacemakers.To  
reduce the risk of serious or fatal injury, we  
recommend persons with pacemakers to  
consult their physician and the pacemaker  
manufacturer before operating this machine.  
Always have a first aid kit nearby.  
Husqvarna Construction Products has a policy of continuous  
product development. Husqvarna reserves the right to modify  
the design and appearance of products without prior notice  
and without further obligation introduce design modifications.  
All information and all data in the Operator’s Manual were  
applicable at the time the Operator’s Manual was sent to print.  
6 – English  
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SAFETY INSTRUCTIONS  
Personal safety  
General safety precautions  
Wear personal protective equipment. See instructions  
under the heading Personal protective equipment.  
IMPORTANT! Do not use the power cutter until you have  
read the entire contents of this Operator’s Manual.  
All servicing, in addition to the points listed in the section  
”Control, maintenance and service of the power cutter’s  
safety equipment”, should be carried out by trained service  
specialists.  
Never use the machine if you are tired, if you have drunk  
alcohol, or if you are taking medication that could affect  
your vision, your judgement or your co-ordination.  
Never allow anyone else to use the machine without first  
ensuring that they have understood the contents of the  
operator’s manual.  
Work area safety  
Make sure that no clothes or parts of the body come in  
contact with the cutting equipment when it is rotating.  
Keep work area clean and well lit. Cluttered or dark areas  
invite accidents.  
Keep at a safe distance from the cutting equipment when  
it is rotating.  
Never use the machine indoors. Be aware of the dangers  
of inhaling the engine’s exhaust fumes.  
The guards for the cutting equipment must always be  
fitted when the machine is running.  
Do not use the machine in bad weather, such as dense  
fog, rain, strong wind, intense cold, etc. Working in bad  
weather is tiring and often brings added risks, such as icy  
ground.  
Always ensure you have a safe and stable working  
position.  
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.  
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.  
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.  
Make sure that no pipes or electrical cables are routed in  
the area to be cut.  
Look around you:  
-To ensure that people, animals or other things cannot affect  
your control of the machine.  
Use and care  
-To make sure that none of the above come into contact with  
the cutting blade.  
A power cutter is designed to cut hard materials, such as  
masonry. Observe the increased risk of kickback when  
cutting soft materials. See instructions under the heading  
How to avoid kickback.  
The Rescue-blade cuts particles loose from the object,  
and in unfavourable conditions the carbide tips can be torn  
off and thrown at high speed. Keep people and animals  
well away from the the risk area.  
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.  
Never use a machine that has been modified in any way  
from its original specification.  
Do not move the machine when the cutting equipment is  
rotating. The machine is equipped with a friction retarder  
to shorten the stop time.  
Transport and storage  
Store the power cutter in a lockable area so that it is out of  
reach of children and unauthorised persons.  
WARNING! Only use the machine in areas  
with good ventilation. Neglect can result in  
Store cutting blades in dry, frost free conditions.  
!
serious injury or death.  
Cutting blades  
Do not store or transport the power cutter with the cutting  
blade fitted. All blades should be removed from the cutter  
after use and stored carefully.  
WARNING!The safety distance for the power  
cutter is 15 metres.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.  
!
English – 7  
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SAFETY INSTRUCTIONS  
Special care should be taken with abrasive discs.  
Machine s safety equipment  
Abrasive discs must be stored on a flat, level surface. If an  
abrasive disc is stored in humid conditions, this can cause  
imbalance and result in injury.  
This section describes the machines safety equipment, its  
purpose, and how checks and maintenance should be carried  
out to ensure that it operates correctly. See the ”What is  
what?” section to locate where this equipment is positioned  
on your machine.  
Inspect new blades for transport or storage damage.  
Fuel safety  
WARNING! Never use a machine that has  
faulty safety equipment! Carry out the  
inspection, maintenance and service  
!
routines listed in this section.  
(Refuelling/Fuel mixture/Storage.)  
All servicing and repair work on the machine  
requires special training.This is especially  
true of the machine s safety equipment. If  
WARNING! Take care when handling fuel.  
your machine fails any of the checks  
described below you must contact your  
service agent. When you buy any of our  
products we guarantee the availability of  
professional repairs and service. If the  
retailer who sells your machine is not a  
servicing dealer, ask him for the address of  
your nearest service agent.  
Bear in mind the risk of fire, explosion and  
inhaling fumes.  
!
Never refuel the machine while the engine is running.  
Make sure there is plenty of ventilation when refuelling or  
mixing fuel (gasoline and 2-stroke oil).  
Move the machine at least 10 ft (3 m) from the refuelling  
point before starting it.  
Vibration damping system  
Your machine is equipped with a vibration damping system  
that is designed to reduce vibration and make operation  
easier.  
The machines vibration damping system reduces the transfer  
of vibration between the engine unit/cutting equipment and  
the machines handle unit.  
The engine body, including the cutting equipment, is insulated  
from the handles by vibration damping units.  
Never start the machine:  
- If you have spilled fuel on it.Wipe off the spillage and allow  
remaining fuel to evaporate.  
- 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.  
Check the vibration damping system  
- If the machine is leaking fuel. Check regularly for leaks  
from the fuel cap and fuel lines.  
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.  
Regularly check the vibration damping units for cracks or  
deformation.  
Make sure the vibration damping units are securely  
attached to the engine unit and handle unit.  
Always store fuel in an approved container designed for  
that purpose.  
Stop switch  
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.  
Use the stop switch to switch off the engine.  
Always use a Husqvarna fuel container with an anti-spill  
valve.  
WARNING! Bear in mind the risk of fire,  
explosion and inhaling fumes. Stop the  
engine before fuelling. Do not fill so that the  
!
fuel runs over. Wipe up all spillage on the  
ground and machine. If you spill fuel on  
yourself or your clothes. Change your  
clothes. Move the machine at least 3 metres  
away from the refuelling area before starting.  
Check the stop switch  
Start the engine and make sure the engine stops when  
you move the stop switch to the stop setting.  
8 – English  
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SAFETY INSTRUCTIONS  
Check the throttle lockout  
Muffler  
Make sure the throttle control is locked at the idle setting  
when the throttle lockout is released.  
The muffler is designed to keep noise levels to a minimum  
and to direct exhaust fumes away from the user.  
WARNING! The muffler gets very hot in use  
and remains so for a short time afterwards.  
Do not touch the muffler if it is hot!  
Press the throttle lockout and make sure it returns to its  
original position when you release it.  
!
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!  
The inside of the muffler contain chemicals  
that may be carcinogenic. Avoid contact with  
these elements in the event of a damaged  
muffler.  
Check that the throttle control and throttle lockout move  
freely and that the return springs work properly.  
IMPORTANT! For mufflers it is very important that you  
follow the instructions on checking, maintaining and  
servicing your machine.See instructions under the heading  
Checking, maintaining and servicing the machine’s safety  
equipment.  
Start the power cutter and apply full throttle. Release the  
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 under the  
heading Maintenance.  
Check the muffler  
Never use a machine that has a faulty muffler.  
Regularly check that the muffler is securely attached to  
the machine.  
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).  
A
Guard for the blade  
B
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.  
WARNING! Always check that the blade  
guard is fitted correctly before starting the  
machine.  
!
This guard is fitted above the cutting blade and is designed to  
prevent parts of the blade or cutting fragments from being  
thrown towards the user.  
English – 9  
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SAFETY INSTRUCTIONS  
Checking the blade guard  
Hand-held, high-speed machines  
Check that the guard is complete and without any cracks  
or deformations.  
Our cutting blades are manufactured for high-speed, portable  
power cutters. If blades from other manufacturers are used,  
ensure that the blades conform to all regulations and  
demands that concern this type of power cutter.  
Never use a defective guard or a guard that has not been  
fitted correctly.  
Special blades  
WARNING! Always check that the guard is  
correctly fitted before starting the machine.  
Check that the cutting blade is fitted  
correctly and does not show signs of  
damage. A damaged cutting blade can cause  
personal injury. See instructions under the  
heading Assembly.  
Some cutting blades are designed for stationary equipment  
and for use with attachments.Such cutting blades must not be  
used on portable power cutters.  
!
Always contact local authorities and make sure you are  
following applicable directives.  
Blade vibration  
The blade can become out-of-round and vibrate if an  
excessive feed pressure is used.  
Cutting blades  
A lower feed pressure can stop the vibration. Otherwise  
replace the blade. The blade must be of the recommended  
type for the material to be cut.  
WARNING! A cutting blade may burst and  
cause injury to the operator.  
!
Never use a cutting blade at a lower speed  
rating than that of the power cutter.  
Abrasive discs  
Never use a cutting blade for any other  
purpose than that it was intended for.  
The cutting material on abrasive discs consists of grit bonded  
using an organic binder. ”Reinforced blades” are made up of  
a fabric or fibre base that prevents total breakage at maximum  
working speed if the blade should be cracked or damaged.  
General  
A cutting blade’s performance is determined by the type and  
size of abrasive corn, and the type and hardness of the  
bonding agent.  
Cutting blades are available in two basic designs; abrasive  
discs and diamond blades.  
Check that the blade is approved for the same or higher  
speed according to the aproval plate of the engine. Never use  
a cutting blade with a lower speed rating than that of the  
power cutter.  
High-quality blades are often most economical. Lower quality  
blades often have inferior cutting capacity and a shorter  
service life, which results in a higher cost in relation to the  
quantity of material that is cut.  
Make sure that the right bushing is used for the cutting blade  
to be fitted on the machine. See the instructions under the  
heading Assembling the cutting blade.  
Ensure the blade it not cracked or damaged in any other way.  
Suitable cutting blades  
K960  
Rescue  
Yes*  
Cutting blades  
K960  
Test the abrasive disc by hanging it on your finger and tapping  
it lightly with a screwdriver or the like. If the disc does not  
produce a resonant, ringing sound it is damaged.  
Abrasive discs  
Diamond blades  
Rescue blade  
Yes*  
Yes  
No  
Yes**  
Yes  
*Without water  
**Diamond blades for dry cutting  
Cutting blades for different materials  
Concrete Metal  
Plastic  
Abrasive discs  
Diamond blades  
Rescue blade  
X
X
X
X
X
X
10 – English  
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SAFETY INSTRUCTIONS  
Abrasive discs for different materials  
Rescue blade for K960  
Disc type  
Material  
WARNING! The Rescue blade is to be used  
Concrete, asphalt, stone masonry,  
cast iron, aluminium, copper,  
brass, cables, rubber, plastic, etc.  
only for rescue missions and only by trained  
staff. Carelessness can result in serious  
personal injury or even death.  
!
Concrete disc  
Steel, steel alloys and other hard  
metals.  
Metal disc  
The Rescue-blade is intended for the cutting of most  
materials, even in combination, which are found in connection  
with rescue services. e.g. thin sheet steel (not stainless steel  
or hardened steel), aluminium, wood, plaster and other  
diverse, mixed materials. The Rescue-blade is not intended  
for stone materials.  
WARNING! Avoid using abrasive discs with  
water.The strength is impaired when  
abrasive discs are exposed to moisture.  
!
Dry cutting with diamond blade  
Diamond blades  
WARNING! Diamond blades get very hot  
when used. A heated blade can be deformed  
and cause damage to the machine as well as  
the user.  
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.  
!
!
When dry cutting, lift the blade out from the  
cut every 30–60 seconds and let it rotate in  
the air for 10 seconds to let it cool.  
Diamond blades consist of a steel body provided with  
segments that contain industrial diamonds.  
Diamond blades ensure lower costs per cutting operation,  
fewer blade changes and a constant cutting depth.  
Wet cutting with diamond blade  
When using diamond blades make sure that it rotates in the  
direction indicated by the arrow on the blade.  
Water cooling, which is used when cutting concrete, cools the  
blade and increases its service life while also reducing the  
formation of dust.  
WARNING! Diamond blades get very hot  
when used. A heated blade can be deformed  
and cause damage to the machine as well as  
the user.  
!
When wet cutting, the blade is continuously  
cooled to prevent overheating.  
Always use a sharp diamond blade.  
Material  
Sharpening diamond blades  
Diamond blades are ideal for masonry, reinforced concrete  
and other composite materials. Diamond blades are not  
recommended for cutting metal.  
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.  
Diamond blades are available in several hardness classes. A  
"soft" diamond blade has a relatively short service life and  
large cutting capacity. It is used for hard materials such as  
granite and hard concrete. A "hard" diamond blade has a  
longer service life and reduced cutting capacity, and should  
be used for soft materials such as brick and asphalt.  
Sharpen the blade by cutting in a soft material such as  
sandstone or brick.  
English – 11  
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SAFETY INSTRUCTIONS  
Feed down the machine in line with the blade. Pressure  
from the side can damage the blade and is very  
dangerous.  
General working instructions  
WARNING! This section describes basic  
safety directions for using a power cutter.  
This information is never a substitute for  
!
professional skills and experience. If you get  
into a situation where you feel unsafe, stop  
and seek expert advice. Contact your dealer,  
service agent or an experienced power  
cutter user. Do not attempt any task that you  
feel unsure of!  
Cutting technique  
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 technique described below is of a general character.  
Check information for each blade regarding individual cutting  
characteristics (for example, diamond blades requires less  
feeding pressure than an abrasive discs).  
Support the work piece in such a way that it is possible to  
predict what will happen, and so that the cut remains open  
while cutting.  
Ensure that the cutting blade is fitted correctly.  
WARNING! Under all circumstances avoid  
grinding using the side of the blade; it will  
almost certainly be damaged, break and can  
cause immense damage. Only use the  
cutting section.  
Always hold the machine in a firm grip with both hands.  
Hold it so that the thumbs and fingers grip round the  
handles.  
!
Check that the blade is not in contact with anything when  
the machine is started  
Do not pull the power cutter to one side, this  
can cause the blade to jam or break  
resulting in injury to people.  
Start cutting with the machine running at maximum  
speed.  
Start cutting smoothly, allowing the machine to work  
without forcing or pressing in the blade. Always cut at  
maximum speed.  
Cutting with Rescue blade  
Cutting of thin and hard materials, e.g. sheet metal  
covered roofs, should be conducted in a forward direction.  
This avoids self-feeding which can lead to jamming and  
sudden stoppage.  
Move the blade slowly forwards and backwards to achieve  
a small contact area between the blade and the material  
to be cut. This reduces the temperature of the blade and  
ensures effective cutting.  
Always cut at maximum speed. Low blade speed,  
especially in hard and thin materials, can result in  
jamming and the breaking off of the carbide tips.  
Regularly check, and always after a rescue operation, that  
the blade is undamaged:  
- Check that no carbide tips have loosened from the cutting  
blade.  
- Check that the blade is not skew or shows signs of cracking  
or other defects.  
12 – English  
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SAFETY INSTRUCTIONS  
How to avoid pinching  
Kickback  
Support the work piece in such a way that the cut remains  
open during the cutting operation and when the cut is  
finished.  
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.  
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.  
General rules  
Never start to cut with the upper quadrant of the blade as  
shown in the figure, also known as the kickback zone.  
Always hold the machine in a firm grip with both hands.  
Hold it so that the thumbs and fingers grip round the  
handles.  
Keep a good balance and a firm foothold.  
Always cut at maximum speed.  
Stand at a comfortable distance from the work piece.  
Take care when inserting the blade in an existing 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.  
Pull in  
Pull in occurs when the disc’s lower section suddenly stops or  
when the cut closes. (To avoid, see the heading ”Basic rules”  
and ”Jamming/rotation”, here below.)  
Pinching/rotation  
If the cut is pressed together this can lead to jamming. The  
machine can be pulled down suddenly with a very powerful  
jerk.  
English – 13  
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ASSEMBLY  
Checking the drive axle and flange  
Guard for the blade  
washers  
The guard must always be fitted on the machine. 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.  
Check that the threads on the drive shaft are undamaged.  
Check that the contact surfaces of the cutting blade and  
flanges are flat, run correctly on the spindle and are free from  
foreign objects.  
WARNING! A 16 inch blade guard should  
only be used on power cutters initially  
equipped with a 16 inch blade guard. If a  
!
guard obtained as a spare part is fitted on a  
power cutter which is equipped with a 12 or  
14 inch guard, a 16 inch blade will run too  
fast. A cutting blade running at a too high  
speed can break or cause serious damage.  
Do not use warped, notched, indented or dirty flange  
washers. Do not use different dimensions of flange washers.  
Fitting the cutting blade  
Husqvarna cutting blades are manufactured and approved for  
freehand cutting. The paper labels on each side of the blade  
are there to distribute the pressure from the flange washer  
and prevent the blade from slipping.  
The blade is placed on the bushing between the inner flange  
washer (A) and the flange washer (B). The flange washer is  
turned so that it fits on the axle.  
The shaft can be locked using a screwdriver, steel pin or the  
like. This is slid in as far as possible. The blade is tightened  
clockwise.  
Tightening torque for the bolt holding the blade is: 15-25 Nm  
(130-215 in.lb).  
14 – English  
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FUEL HANDLING  
Mix (shake) the fuel mixture thoroughly before filling the  
machine’s fuel tank.  
Fuel  
CAUTION!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.  
WARNING! Always ensure there is adequate  
ventilation when handling fuel.  
!
Do not mix more than one month’s supply of fuel at a time.  
Gasoline  
If the machine is not used for some time the fuel tank  
should be emptied and cleaned.  
The lowest recommended octane grade is 87  
((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.  
Fueling  
WARNING!Taking the following precautions,  
will lessen the risk of fire:  
Two-stroke oil  
!
For best results and performance use HUSQVARNA two-  
stroke engine oil, which is specially formulated for our air-  
cooled two stroke-engines.  
Do not smoke or place hot objects near fuel.  
Always shut off the engine before refuelling.  
Never use two-stroke oil intended for water-cooled  
engines, sometimes referred to as outboard oil (rated  
TCW).  
When refuelling, open the fuel cap slowly so  
that any excess pressure is released gently.  
Tighten the fuel cap carefully after refuelling.  
Never use oil intended for four-stroke engines.  
Always move the machine away from the  
refuelling area before starting.  
Mixing ratio  
1:50 (2%) for all engines.  
Keep the handle dry and free from oil and fuel.  
Ensure that the fuel is well mixed by shaking the container  
before filling the tank.  
Gasoline, litre  
Two-stroke oil, litre  
2% (1:50)  
0,10  
5
10  
0,20  
15  
0,30  
20  
0,40  
Always exercise care when refilling the fuel. Move the  
machine at least three metres from the fuelling area  
before it is started. Check that the fuel cap is tightened  
correctly.  
US gallon  
US fl. oz.  
2 1/2  
1
2 1/2  
5
6 1/2  
12 7/8  
Mixing  
Always mix the gasoline and oil in a clean container  
intended for fuel.  
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.  
Clean around the fuel cap. Clean the fuel and oil tank  
regularly.The fuel filter should be changed at least once a  
year. Contamination in the tanks causes malfunction.  
English – 15  
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STARTING AND STOPPING  
Before starting  
Starting  
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  
WARNING! Note the following before  
starting:  
!
Do not start the power cutter without the belt  
guard fitted. Otherwise the clutch could  
come loose and cause personal injuries.  
Always move the machine away from the  
refuelling area before starting.  
Ensure that you and the machine have a  
good working stance and that the cutting  
blade can rotate freely.  
Keep people and animals well away from the  
working area.  
WARNING! The cutting blade rotates when  
the engine is started. Make sure it can rotate  
freely.  
Decompression valve: Press the valve to reduce the  
compression in the cylinder.The decompression valve should  
always be used when starting. The valve automatically  
returns to its initial position when the machine starts.  
!
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.  
CAUTION! Do not pull the starter cord all the way out and do  
not let go of the starter handle when the cord is fully extended.  
This can damage the machine.  
With a cold engine: Push in the choke control as soon as the  
engine fires and make repeated starting attempts.  
When the engine starts, quickly apply full throttle to  
automatically disengage fast idle.  
Stop switch: Make sure that the stop switch (STOP) is in the  
left position.  
Start throttle position - cold engine: Start throttle position  
and choke is obtained by pulling out the choke completely.  
Stopping  
Stop the engine by moving the stop switch (STOP) to the  
right.  
Start throttle position - warm engine: The correct 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.  
16 – English  
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MAINTENANCE  
Replace the drive belt.  
Tensioning the drive belt  
Assemble in the reverse order as set out for dismantling.  
Check that the blade guard over the cutting blade is not  
cracked or damaged in any other way. Replace when  
damaged.  
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.  
WARNING! Never use the power cutter  
without a blade guard over the cutting blade.  
!
The drive belt is fully enclosed and well protected from  
dust and dirt.  
Belt pulley and clutch  
When tensioning the drive belt, slightly loosen the nuts (A)  
holding the cutting head and belt guard.  
Never start the engine when the belt pulley and clutch are  
removed for maintenance.  
Carburetor  
Your Husqvarna product has been designed and  
manufactured to specifications that reduce harmful  
emissions. After the engine has used 8-10 tanks of fuel the  
engine will be run-in.To ensure that it continues to run at peak  
performance and to minimise harmful exhaust emissions  
after the running-in period, ask your dealer/service workshop  
(who will have a rev counter at their disposal) to adjust your  
carburettor.  
Turn the tension screw so that the nut (B) aligns with the  
arrow on the guard. Shake the head to ensure the spring  
can tension the belt. The belt now automatically has the  
right tension.  
Function  
WARNING! Do not start the machine without  
the cutting arm or cutting head fitted.  
Otherwise the clutch could come loose and  
cause personal injuries.  
!
Tighten the nuts holding the cutting head.  
The carburettor governs the engine speed via the throttle.  
Air and fuel are mixed in the carburettor.  
Replacing the drive belt  
Needles  
Loosen the two screws (A).  
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:  
Check the air filter and replace if necessary.  
When this does not help, contact an authorised service  
workshop.  
Turn the tension screw (B) until tensioning stops.  
Remove the two screws (A).  
Fine adjustment of the idle speed T  
Adjust the idle speed using the T screw.When an adjustment  
is necessary, rst turn the screw clockwise until the blade  
starts to rotate. Now turn the screw anti-clockwise until the  
blade stops rotating. A correctly adjusted idle speed is set  
when the engine accelerates without hesitation.  
Remove the front belt guard (C)  
Remove the belt from the belt pulley.  
Remove the cutting head.  
Remove the screw (D). Remove the side cover.  
Rec. idle speed: 2700 rpm  
WARNING! If the idle speed cannot be  
adjusted so that the cutting attachment  
stops, contact your dealer/service  
workshop. Do not use the machine until it  
has been correctly adjusted or repaired.  
!
English – 17  
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MAINTENANCE  
off the excess before fitting the filter to the machine.Never  
use common engine oil.This would drain through the filter  
quite quickly and collect in the bottom.  
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.  
2
The paper filter is accessible under cover B. This filter  
must be replaced/cleaned when the engine's power  
drops. The filter is cleaned by shaking. Note that the filter  
must not be washed. NOTE! High pressure compressed  
air can damage the filter.  
Air filter  
Air filters must be regularly cleaned to remove dust and dirt in  
order to avoid:  
Carburettor malfunctions  
Starting problems  
An air filter that has been in use for a long time cannot be  
cleaned completely.The filter must therefore be replaced with  
a new one at regular intervals. A damaged air filter must  
always be replaced.  
Loss of engine power  
Unnecessary wear to engine parts  
Excessive fuel consumption.  
The air filter system consists of an oiled foam plastic filter (1)  
and a paper filter (2):  
IMPORTANT INFORMATION Poor maintenance of the air  
filter will cause carbon build-up on the spark plug and  
abnormal wear to engine parts.  
Starter  
1
The foam plastic filter is easily accessible under the filter  
cover A. This filter should be checked weekly and  
replaced if necessary. In order to obtain a good filtering  
effect, the filter must be replaced regularly or cleaned and  
oiled. A special HUSQVARNA oil has been produced for  
this purpose.  
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.  
Changing a broken or worn starter cord  
Remove the foam plastic filter.Wash the filter well in tepid  
soapy water. After cleaning, rinse the filter well in clean  
water. Squeeze out and allow the filter to dry. NOTE! High  
pressure compressed air can damage the foam.  
Loosen the filter and cylinder cover.  
Loosen the screws that hold the starter against the  
crankcase and remove the starter.  
Put the filter in a plastic bag and pour the filter oil over it.  
Knead the plastic bag to distribute the oil. Squeeze the  
excess oil out of the filter inside the plastic bag and pour  
18 – English  
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MAINTENANCE  
Pull out the cord approx. 30 cm (12 inches) and hook it  
into the notch in the rim of the pulley. Release the recoil  
spring by letting the pulley rotate slowly backwards.  
Tensioning the recoil spring  
Hook the starter cord in the notch in the pulley and turn  
the starter pulley about 2 turns clockwise.  
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.  
CAUTION! Check that the pulley can be turned an  
additional 1/2 turn when the starter cord is pulled all the  
way out.  
Changing a broken recoil spring  
Undo the bolt in the centre of the pulley and remove the  
pulley.  
Secure the starter cord around the cord pulley as  
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.  
Bear in mind that the return spring lies tensioned in the  
starter housing.  
Loosen the bolts holding the spring cassette.  
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.  
Fitting the starter  
Note that the starter handle is drawn to its correct home  
position after tensioning the spring.  
To t 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.  
Fit and tighten the screws that hold the starter.  
English – 19  
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MAINTENANCE  
Spark plug  
Cooling system  
To keep the working temperature as low as possible the  
machine is equipped with a cooling system.  
The spark plug condition is influenced by:  
Incorrect carburetor adjustment.  
Wrong fuel mixture (too much oil).  
A dirty air filter.  
The cooling system consists of:  
These factors cause deposits on the spark plug electrodes,  
which may result in operating problems and starting  
difficulties.  
1
2
3
4
5
Air intake on the starter.  
Air guide plate.  
Fins on the flywheel.  
Cooling fins on the cylinder.  
Cylinder cover  
If the machine is low on power, difficult to start or runs  
poorly at idle speed: always check the spark plug first  
before taking any further action. If the spark plug is dirty,  
clean it and check that the electrode gap is 0.020 inch (0.5  
mm). The spark plug should be replaced after about a  
month in operation or earlier if necessary.  
Clean the cooling system with a brush once a week, more  
often in demanding conditions. A dirty or blocked cooling  
system results in the machine overheating which causes  
damage to the piston and cylinder.  
Muffler  
The muffler is designed to reduce the noise level and to direct  
the exhaust gases away from the operator. The exhaust  
gases are hot and can contain sparks, which may cause fire  
if directed against dry and combustible material.  
CAUTION! Always use the recommended spark plug type!  
Use of the wrong spark plug can damage the piston/cylinder.  
Never use a machine with a defective muffler.  
20 – English  
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MAINTENANCE  
General maintenance instructions  
Below you will find some general maintenance instructions. If  
you have more questions, contact your service agent.  
Daily maintenance  
1
Check that the components of the throttle control work  
smoothly (throttle control and throttle trigger lock).  
2
3
4
5
Check the tension of the drive belt.  
Check the condition of the blade and the drive gear.  
Check the condition of the blade guard.  
Check the starter and starter cord and clean the outside  
of the starter unit’s air intake.  
6
7
Check that nuts and screws are tight.  
Check that the stop switch works correctly.  
Weekly maintenance  
8
9
Check, clean or replace the main filter.  
Check that the handles and vibration damping elements  
are not damaged.  
10 Clean the spark plug. Check that the electrode gap is  
0.020 inch (0.5 mm).  
11 Clean the fins on the flywheel. Check the starter and the  
recoil spring.  
12 Clean the cooling fins on the cylinder.  
13 Check that the muffler is securely attached and not  
damaged.  
14 Check the operation of the carburettor.  
Monthly maintenance  
15 Check the paper filter.  
16 Check the clutch centre, drive gear and clutch spring for  
wear.  
17 Clean the outside of the carburetor.  
18 Check fuel hose for cracks or other damage. Change if  
necessary.  
19 Clean the inside of the fuel tank.  
20 Check all cables and connections.  
English – 21  
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TECHNICAL DATA  
K960, K960 Rescue  
Engine  
3
Cylinder displacement, cu.in/cm  
Cylinder bore, inch/mm  
Stroke, inch/mm  
5,7/93,6  
2,20/56  
1,50/38,0  
2700  
Idle speed, rpm  
Recommended max. speed, rpm  
Power, kW/ rpm  
9300 (+/- 150)  
4,5/9000  
Ignition system  
Manufacturer of ignition system  
Type of ignition system  
Spark plug  
SEM  
CD  
NGK BPMR 7A/ Champion RCJ 6Y  
Electrode gap, inch/mm  
Fuel and lubrication system  
Manufacturer of carburetor  
Carburetor type  
0,02/0,5  
Walbro  
RWJ-3A  
1,0  
Fuel tank capacity, US pint/litre  
Weight  
Power cutter without fuel and cutting blade, kg  
12” (300 mm)  
22,9/10,4  
23,4/10,6  
25,1/11,4  
14” (350 mm)  
16” (400 mm)  
Cutting equipment  
Cutting blade  
12” (300 mm)  
14” (350 mm)  
16” (400 mm)  
Max. peripheral speed, m/s  
Max. speed of output shaft, rpm  
80  
4725  
4725  
3705  
100  
100  
´®z+SN•¶5R¨  
22 – English  
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FEDERAL EMISSION CONTROL WARRANTY STATEMENT  
should contact your nearest authorized servicing dealer or  
YOUR WARRANTY RIGHTS AND  
OBLIGATIONS  
call Husqvarna Construction Products, at 1-800-288-5040 or  
WARRANTY PERIOD Any warranted part which is not  
The EPA (The US Environmental Protection Agency),  
scheduled for replacement as required maintenance, or  
Environment Canada and Husqvarna Construction Products  
which is scheduled only for regular inspection to the effect of  
are pleased to explain the emissions control system warranty  
“repair or replace as necessary” shall be warranted for 2  
on your 2009 and later small nonroad engine. In U.S. and  
years.Any warranted part which is scheduled for replacement  
Canada, new small nonroad engines must be designed, built  
as required maintenance shall be warranted for the period of  
and equipped to meet the federal stringent anti-smog  
time up to the first scheduled replacement point for that part.  
standards. Husqvarna Construction Products must warrant  
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  
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.  
approved Husqvarna Construction Products servicing dealer.  
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.  
MANUFACTURER S WARRANTY  
COVERAGE  
WHAT IS NOT COVERED  
All failures caused by abuse, neglect or improper  
maintenance are not covered.  
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.  
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.  
OWNER S WARRANTY  
RESPONSIBILITIES  
As the small nonroad engine owner, you are responsible for  
the performance of the required maintenance listed in your  
Operators Manual. Husqvarna Construction Products  
recommends that you retain all receipts covering  
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  
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  
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.  
EMISSION CONTROL WARRANTY PARTS  
LIST  
1
2
3
4
Carburetor and internal parts  
Intake pipe, airfilter holder and carburetor bolts.  
Airfilter and fuelfilter covered up to maintenance schedule.  
Ignition System  
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.  
1
2
Spark Plug, covered up to maintenance schedule  
Ignition Module  
MAINTENANCE STATEMENT  
WHAT IS COVERED  
The owner is responsible for the performance of all required  
maintenance, as defined in the operator’s manual.  
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  
English – 23  
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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.  
1151469-95  
´®z+SN•¶5R¨  
´®z+SN•¶5R¨  
2009-01-09  
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