Husqvarna DT22B5DSA User manual

MANUAL NO. 539107174 REV. 05 (09/03/03)
Operators Manual Models:
968999131/DT22H5NRA
968999212/DT22B5NRA
968999213/DT22B5FA
968999243/DT22H5FA
968999244/DT22B5DSA (SD22)
968999247/DT22NEFA

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TABLE OF CONTENTS
Operating Instructions for
Lawn Dethatcher
with supplement for accessories
Introduction ..................................................3
Congratulations .........................................3
Use ............................................................3
Insure your machine..................................3
Good service .............................................3
Serial number ............................................3
Symbols and decals.....................................4
Decals and machine-bound instructions ...4
Location of decals .....................................5
Translation of instructions .........................6
Safety instructions.......................................7
General use...............................................7
Preparations ..............................................8
Operating...................................................9
Movement/Transport .................................9
Storage......................................................9
Children ...................................................10
Fuel system ............................................10
Maintenance............................................11
Presentation ...............................................12
Presentation ............................................12
Controls ......................................................13
Main components and operating
instruments ...........................................13
Engine .....................................................14
Cutting unit ..............................................14
Blade versatility .......................................15
Setting blade height.................................15
Maintenance ...............................................17
Maintenance schedule ............................17
Cutting unit ..............................................18
Two minute rule.......................................22
Cleaning and washing .............................22
Lubrication..................................................23
Lubrication schedule................................23
General....................................................23
Blades......................................................24
Handle .....................................................24
Troubleshooting.........................................25
Storage........................................................26
Winter storage .........................................26
Service.....................................................26
Operation ....................................................16
Before you start .......................................16
Starting ....................................................16
Finishing ..................................................16
Assembly – delivery service ....................27
Service journal ...........................................28
Assembly instructions ..............................27
©2003 Husqvarna. All Rights Reserved.
Beatrice, NE. Printed in U.S.A.

3
INTRODUCTION
Congratulations
Thank you for purchasing a Husqvarna lawn care product. Through your confidence in us, you have
chosen an exceptionally high quality product.
This manual is a valuable document. It describes your new Husqvarna machine. Read the manual
carefullybefore attemptingto usethe machine. Followingtheinstructions (use, service,maintenance,
etc.) can considerably increase the lifespan of your machine and even increase its resale value.
Please contact your dealer for more information.
If you sell your Husqvarna machine, make sure to give the operator’s manual to the new owner.
Use
The dethatcher is used to remove the layer of thatch and surface-treat lawns, i.e. power-raking, de-
mossing and collecting thatch in the form of old grass or moss. With an attachment, it can also be
used for seeding, both in initial sowing or overseeding.
Insure your machine
Contact your insurance company to check on insurance coverage for your new machine. You should
have all-inclusive insurance for liability, fire, damage and theft.
Good service
Before the machine was delivered it underwent inspection and was adjusted by your dealer. When
youneed spareparts orsupport inservice questions,warranty issues,etc., pleaseconsultthefollowing
professional:
Serial number
The machine’s serial number can be found on the printed plate attached to the rear side panel of the
machine. The plate includes the following information:
• The machine’s type designation (MODEL).
• The machine’s serial number (S/N).
Please state the type designation and serial number when ordering spare parts.
The engine’s serial number is printed on the engine.
The engine type is specified on the crankcase under the air filter but also appears on the decal on the
starter.
Please state engine serial number and type when ordering replacement engine parts.
This Operator’s Manual belongs to machine
with serial number: Engine
number:

4
!
WARNING!
Xxxx xxx xxxx xx xxxx x xxxx.
SYMBOLS AND DECALS
Used in this publication to notify the reader of a
risk of personal injury, particularly if the reader
DOES NOT follow the instructions given in the
manual.
IMPORTANT INFORMATION
Xxxx xxx xxxx xx xxxx x xxxx.
Used in this publication to notify the reader of a
risk of material damage, particularly if the reader
DOES NOT follow the instructions given in the
manual. Used also when there is a potential for
misuse or misassembly.
Decals and machine-bound instructions
1. Husqvarna logo
2. Model designation DT22
3. Height adjust
4. Seeder Dial
5. DANGER watch your feet
6. Seed application chart
7. Warning for carbon monoxide
8. Open/Close (Seedbox)
9. Caution graphics
10. Warning for bagger
11. Handle folding instructions
12. Height
13. Nascar Decal
1
2
34
5
6
7
8
9
10
11
12
13

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SYMBOLS AND DECALS
Location of decals
1
3
5
7
8
9
10
11
12
13
2
4
6
1. Husqvarna logo
2. Model designation DT22
3. Height adjust
4. Seeder Dial
5. DANGER watch your feet
6. Seed application chart
7. Warning for carbon monoxide
8. Open/Close (Seedbox)
9. Caution graphics
10. Warning for bagger
11. Handle folding instructions
12. Height
13. Nascar Decal

6
SYMBOLS AND DECALS
Decal 9
Important information
Readandmakesureyouunderstandthe Operator’s
Manual before use or maintenance.
To obtain a replacement manual, please contact
your dealer.
Observe all safety instructions; otherwise you may
injure yourself or others around you.
Make sure that the machine is in serviceable
condition prior to use.
Make sure that all protective devices are in place
when the machine is in use.
Stop the engine and wait until all machine
movement comes to a standstill before service,
adjustment or cleaning.
Do not run the engine in poorly ventilated spaces.
Make sure nobody is in the vicinity of the machine
before starting and during use.
Avoid slopes that are too steep to use the machine
safely.
Clear any debris from the lawn prior to use.
Decal 7
Warning
Engineexhaust,someofitsconstituentsand certain
vehicle components contain or emit chemicals
considered by the State of California to cause
cancer, birth defects or other reproductive harm.
The engine emits carbon monoxide, which is a
colorless, poisonous gas. Do not use the machine
in enclosed spaces.
Translation of instructions
Decal 6
Seed application chart
Valuesare approximate;quantitiesof seeddepend
on the speed at which the machine is run. Faster
running speed results in sparser sowing.
Preparing the lawn
• Cut the grass to approximately 1/2" lower than
you normally would.
• Do not water before sowing.
• Removethe layerof oldgrass cuttings(thatch).
• Aerate the lawn with a ground aerator of the
coring type.
• Fertilize the lawn.
Seed application recommendations
• For best results, sow in two directions with a
45° angle between.
• Water generously immediately afterward and
continue watering moderately for 10–14 days
to keep the soil moist.
• After germination, water sporadically to
encourage root growth.

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SAFETY INSTRUCTIONS
WARNING!
Underno circumstances may the original
design of the machine be modified
without written approval from the
manufacturer. Such modifications not
only affect the performance and
durability of the machine but may even
pose a safety risk for users and those in
the vicinity. Unauthorized modifications
tothe design ofthe machine may absolve
the manufacturer from liability for any
resulting personal injury or property
damage. Modifying the machine without
written approval from the manufacturer
may void the guarantee.
General use
The object of this manual is to help you use your
Husqvarna machine safely and to give you
information about how to maintain your machine.
Pleasereadthemanualcarefully beforeattempting
to use the machine.
If after reading the operator’s manual you are still
unsure about the safety risks associated with use
of the machine, you should not use the machine.
Please contact your dealer for more information.
These safety instructions only address the basics
for safe use. It would be impossible in the safety
instructions to describe all possible risk situations
thatcould arise whenusingthe machine. Youcan,
however, prevent accidents by always using
common sense.
To obtain extra copies of the operator’s manual,
please contact your dealer.
• Readthis manual carefullyand make sureyou
understand it before using the machine or
performinganymaintenance. Iftheusercannot
read this manual, it is the responsibility of the
machine owner to explain the contents to the
user.
• Follow all safety instructions. Failure to do so
may result in injury to yourself or others.
• Accidentprevention regulations, othergeneral
safety regulations, occupational safety rules
andtraffic regulationsmust befollowed without
fail.
• Allusers shallbe trainedin useof themachine.
The owner is responsible for training users.
• Engage an authorized Husqvarna workshop
for all service and repairs not described in this
manual.
IMPORTANT INFORMATION
Donot use the machine untilyou have read
the operator’s manual carefully and
understand the instructions given. All
maintenance work or adjustments not
described in this manual must be
performed by an authorized Husqvarna
service workshop.
• Husqvarna original spare parts are designed
and specified to maintain high quality and
correct fit for optimal durability and lifespan.
From a safety point of view, you should only
use Husqvarna original spare parts.
• Check that all safety decals are in place. See
the chapter ”Symbols and Decals”.
• Learn how to use the machine and its controls
safelyand learntorecognize thesafety decals.
• Only use the machine for sowing and
dethatching lawns. It is not intended for any
other use.
• Check that the machine is in serviceable
condition prior to use; see the chapter
”Maintenance/Maintenance schedule”.
• Only use the machine in daylight or in other
well-lit conditions. Keep the machine a safe
distancefrom holesorother irregularitiesin the
ground. Pay attention to other possible risks.
• Only allow the machine to be used by adults
who are familiar with its use.

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• Make sure nobody else is in the vicinity of the
machine when you start the engine, engage
the drive or run the machine.
• Makesure animals andpeoplemaintain a safe
distance from the machine.
• Clear the area of objects such as stones, toys,
steel wire, etc. that could become caught in
moving machine parts and thrown out.
• Find and locate all fixed objects in the ground,
suchas sprinklersystems,poles, watervalves,
basesforwashing lines,etc.Becertaintocheck
for hidden electrical cables or similar in the
surface of the lawn. Always run the machine
around these objects. Never intentionally run
the machine over foreign objects.
• Make sure all guard plates and protective
shields are in place and intact when using the
machine.
• Makes sure no clothing, long hair or jewelry
can catch in moving machine parts.
• Neveruse the machinewhenbarefoot. Always
wear protective shoes or protective boots with
anti-slip and preferably with steel toes.
• Wear approved ear-protection when running
the machine. Ask your dealer about approved
ear-protection.
SAFETY INSTRUCTIONS
• Never allow children or persons not trained in
theuseof themachineto useorservice it.Local
laws may regulate the age of the user.
• People and animals can distract you causing
you to lose control of the machine. For this
reason, you should always concentrate and
focus on the task at hand.
• Neverleavethemachineunsupervised withthe
engine running.
• Make sure that other people are nearby when
you are using the machine so that you can call
for help should an emergency arise.
• The machine is tested and approved only with
the equipment originally provided or
recommended by the manufacturer.
Overexposure to vibration may lead to
circulatoryor nerve damage,particularly
inpeople whohave impaired circulation.
Contact your doctor if you experience
symptoms that could have been caused
by overexposure to vibration. Examples
of common symptoms include
numbness, pain, muscle weakness,
change of skin color or an
uncomfortable feeling of tingling. These
symptomsappear most frequently in the
fingers, hands or wrists.
WARNING!
The engine can become very hot. To
avoid being burned, you must turn off the
engineand wait until all partshave cooled
before touching the engine.
WARNING!
Preparations
• Make sure that you always have first aid
equipment at hand when using the machine.
Always use approved protective clothing
and approved protective equipment when
using the machine. Protective clothing and
protective equipment cannot eliminate the
risk of accidents, but wearing proper
clothing and the correct equipment will
reduce the degree of injury should an
accident occur. Ask your dealer about
approvedprotective clothing andapproved
protective equipment recommended by
Husqvarna.
WARNING!

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Operating
• Do not use the machine on grades of more
than 20°. We recommend working across
slopes rather than up and down. This will yield
a more even result. Do not leave the machine
standing on a slope unattended.
• Do not use the machine if you are tired, if you
have consumed alcohol, or if you are taking
other drugs or medication that can affect your
vision, judgment or co-ordination.
• Never use the machine indoors or in spaces
lacking proper ventilation.
• Do not use the machine on any surface other
than grass.
• Make sure you have a proper foothold when
using the machine, particularly when backing.
Walk,don’t run.Neverwork onwet grass.Poor
traction may cause you to slip.
• Keep your hands and feet away from moving
parts.
• Keep your hands and feet away from the work
tools.
• Slowdown andbe especiallycareful onslopes.
Make sure to run the machine in the
recommended direction on slopes. Be careful
whenworkingclose tosudden changesinlevel.
• Smoking, open flames or sparks in the vicinity
ofthe machineare strictly forbidden.Gasoline
is extremely flammable and carelessness in
handling can result in personal injury or fire.
• Stop and inspect the equipment if you run over
or into anything. If necessary, make repairs
before beginning again.
• Whateverhappens,youshouldalways parkthe
machineoneven ground, disengage the drive,
turnofftheengineandwaituntil allmovingparts
have stopped before leaving the operating
position behind the machine.
SAFETY INSTRUCTIONS
WARNING!
Engine exhaust, some of its constituents
and certain vehicle components contain
or emit chemicals considered to cause
cancer, birth defects or other
reproductive harm. The engine emits
carbon monoxide, which is a colorless,
poisonous gas. Do not use the machine
in enclosed spaces.
Movement/Transport
• To turn and steer the machine, press down on
the handle and turn on the back wheels.
• Turn off the engine and allow it to cool at least
2 minutes before transport.
• Collapsethe handle ifthe machine isequipped
with a collapsible handle.
• Be careful and use safe lifting and moving
techniques when loading/unloading the
machine.
• We recommend having two people to lift the
machine.
• Fasten the machine properly in place with
approved fasteners, such as tension belts,
chains or rope. Always check that you are in
compliance with applicable traffic regulations
before transporting the machine.
Storage
• Allow the engine to cool before storing the
machine.Never storethe machine neara open
flame.
• Store the machine with the fuel valve closed.
• Store the machine and fuel in such a way that
there is no risk that leaking fuel or fumes can
come in contact with flames or sparks from
electrical machines, electric engines, relays,
switches, boilers or similar.
• Storethe machinein alocked spaceaway from
children and adults untrained in use of the
machine.

10
Fuel system
Close the fuel valve.
• Only store fuel in containers approved for that
purpose.
• Never remove the fuel cap and fill the fuel tank
when the engine is running.
• Always stop the engine when refueling.
• Do not smoke when filling the gasoline tank
anddonot pourgasolineinthevicinityofsparks
or open flame.
• Never fill the fuel tank indoors.
WARNING!
Gasoline and gasoline fumes are
poisonous and extremely flammable. Be
especially careful when handling
gasoline, as carelessness can result in
personal injury or fire.
• Before starting the machine after refueling, it
should be moved at least 10 feet from the
location where it was filled.
• Turnoff thefuelsupply forstorage or transport.
• Ifleaksarise inthefuelsystem,the enginemust
not be started until the problem has been
resolved.
• Checkthe fuel levelbefore each useandleave
space for the fuel to expand, because the heat
from the engine and the sun can otherwise
cause the fuel to expand and overflow.
• Avoid overfilling. If you spill gasoline on the
machine, wipe up the spill and wait until it has
evaporated before starting the engine. If you
spill gasoline on your clothing, change your
clothing.
8011-036
SAFETY INSTRUCTIONS
Children
Serious accidents can occur if you fail to be on
guard for children in the vicinity of the machine.
Neverassumethat children will stayput where you
last saw them.
• Keep children away from the machine.
• Keep children away from the work area and
under close supervision by another adult.
• Keep an eye out and shut off the machine if
children enter the work area.
• Never allow children to operate the machine.
• Be particularly careful near corners, bushes,
trees or other objects that block your view.