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Operators Manual Models:
968999131/DT22H5NRA
968999212/DT22B5NRA
968999213/DT22B5FA
968999243/DT22H5FA
968999244/DT22B5DSA (SD22)
968999247/DT22NEFA
MANUAL NO. 539107174 REV. 05 (09/03/03)
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TABLE OF CONTENTS Operating Instructions for Lawn Dethatcher with supplement for accessories Introduction ..................................................3 Operation ....................................................16 Congratulations .........................................3 Before you start .......................................16 Use ............................................................3 Starting ....................................................16 Insure your machine .........
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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 carefully before attempting to use the machine. Following the instructions (use, service, maintenance, etc.) can considerably increase the lifespan of your machine and even increase its resale value. Please contact your dealer for more
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SYMBOLS AND DECALS IMPORTANT INFORMATION WARNING! Xxxx xxx xxxx xx xxxx x xxxx. Xxxx xxx xxxx xx xxxx x xxxx. Used in this publication to notify the reader of a Used in this publication to notify the reader of a risk of material damage, particularly if the reader risk of personal injury, particularly if the reader DOES NOT follow the instructions given in the DOES NOT follow the instructions given in the manual. Used also when there is a potential for manual. misuse or
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SYMBOLS AND DECALS Location of decals 4 7 6 8 13 11 10 2 9 1 3 12 5 8. Open/Close (Seedbox) 1. Husqvarna logo 9. Caution graphics 2. Model designation DT22 10. Warning for bagger 3. Height adjust 11. Handle folding instructions 4. Seeder Dial 12. Height 5. DANGER watch your feet 13. Nascar Decal 6. Seed application chart 7. Warning for carbon monoxide 5
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SYMBOLS AND DECALS Translation of instructions Decal 6 Decal 7 Seed application chart Warning Values are approximate; quantities of seed depend Engine exhaust, some of its constituents and certain on the speed at which the machine is run. Faster vehicle components contain or emit chemicals running speed results in sparser sowing. considered by the State of California to cause cancer, birth defects or other reproductive harm. Preparing the lawn The engine emits carbon monoxide, which is a • Cut t
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SAFETY INSTRUCTIONS 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. Please read the manual carefully before attempting to use the machine. WARNING! If after reading the operator’s manual you are still Under no circumstances may the original unsure about the safety risks associated with use design of the machine be modified of the machine, you should not use the mac
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SAFETY INSTRUCTIONS • Never allow children or persons not trained in Preparations the use of the machine to use or service it. Local • Make sure that you always have first aid laws may regulate the age of the user. equipment at hand when using the machine. • People and animals can distract you causing • Make sure nobody else is in the vicinity of the you to lose control of the machine. For this machine when you start the engine, engage reason, you should always concentrate and the drive or run t
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SAFETY INSTRUCTIONS Operating • Do not use the machine on grades of more than 20°. We recommend working across WARNING! slopes rather than up and down. This will yield a more even result. Do not leave the machine Engine exhaust, some of its constituents and certain vehicle components contain standing on a slope unattended. or emit chemicals considered to cause • Do not use the machine if you are tired, if you cancer, birth defects or other have consumed alcohol, or if you
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SAFETY INSTRUCTIONS Children Serious accidents can occur if you fail to be on guard for children in the vicinity of the machine. Never assume that children will stay put 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. 8011-036 • Never allow children to operate the machine. Close the fuel valve. • Be particularly careful
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SAFETY INSTRUCTIONS Maintenance • Never make adjustments with the engine running. • Disengage the drive units, shut off the engine and wait until all moving parts come to a complete stop before making adjustments, performing maintenance or cleaning the machine. • Disconnect the spark plug cable before beginning repair work. 8011-027 • Keep all components in serviceable condition Disconnect the spark plug cable before repair work. and make sure all nuts, bolts, etc. are tight. Replace worn or dam
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PRESENTATION Presentation Congratulations on your choice of an exceptionally high quality product. This operator’s manual describes the Husqvarna dethatcher. The machine is available in 22" width. The machine is equipped with a 5.5 hp Honda or 5.5 hp Briggs & Stratton, four-cycle engine. The 22 " dethatcher can be equipped with a catcher. It is available as an accessory at your Husqvarna dealer. It can be mounted after purchase. Alternatively, the 22" dethatcher can be equipped with a seeder. It
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CONTROLS Main components and operating instruments 7 3 1 5 4 2 3 6 1. Engine 5. Handle 2. Depth lever 6. Shaft guard 7. Belt shield 3. Knob for collapsible handle 4. Clutch bail 13
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CONTROLS Engine Refer to your engine manual. DEPTH LEVER Cutting unit Depth lever Use the depth lever to raise and lower the blades between working and transport position. When the lever is up, the blades are in working position. Blades should penetrate the soil to a depth of 1/8" to 1/4" with a maximum penetration of 1/2". Check your seed bag for the manufacture’s recommended depth of application. Depth knob The knob is used to adjust the cutting depth of the blades. Turning the knob counterclo
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CONTROLS Blade versatility Flail blade Thatch is the dense layer of clippings, roots and stems that forms between the soil and the base of the grass. As thatch builds up, it prevents water, air and fertilizer from being absorbed into the soil. This causes shallow root development leading to vulnerability to drought and frost. Excessive thatch also creates an ideal environment for insects and lawn diseases. Power-raking with flail blades removes this thatch layer and restores your lawn to good he
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OPERATION Before you start • Mow the lawn 1/2" shorter than normal. IMPORTANT INFORMATION Clear the lawn of any debris. • Allow the lawn to dry. Wet conditions can cause extensive damage to healthy grass. Clearly mark rocks and other fixed objects. FLAIL BLADES OR SPRING TINES: Be especially sure to check for hidden electrical cables or similar in the surface • Flail Blades or Spring Tines: Set blade or of the lawn. tine depth so that the blades or tines just touch on a flat surface such as a si
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MAINTENANCE Maintenance schedule The following is a list of maintenance procedures that must be performed on the machine. For those points not described in this manual, visit an authorized service workshop. Daily Maintenance interval months/hours maint. Maintenance before 1/25 3/50 6/100 12/300 starting Check the engine oil level 1) Replace engine oil Check the air filter 2) Clean the air filter 2) Replace air filter cartridge Clean sludge reservoir for fuel system Check and clean the spark
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MAINTENANCE Cutting unit Checking the drive belt 1. Allow the engine to cool. 2. Remove the spark plug cable. 3. Remove the belt guard (see illustration) on the left side of the machine. 4. Check that the belt is running in the proper track; the pulleys should guide the belt in a straight line. 8011-027 5. Check that the belt and pulleys are not oily. If they are, first try to clean them with spirits. If they are heavily coated, take the machine to an authorized service workshop to fix the oil
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MAINTENANCE Wear/Rotation/Replacing flail blades After you have used your dethatcher for some time, the blades will begin to wear on the striking edge. When this happens, their dethatching performance will diminish. A new combing edge may be obtained 3 1/2" by rotating the entire rotor shaft assembly laterally (end to end). This procedure can be repeated until the blades reach their wear limit; see illustration. Rotate the rotor shaft as follows: 8011-006 A. New blade B. Worn blade C. After rota
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MAINTENANCE Replacing worn flail blades 1. Allow the engine to cool. 2. Disconnect the spark plug. 3. Tip the machine forward; see the section ”Two minute rule”. IMPORTANT INFORMATION When tipping the machine forward observe the ”Two minute rule”. 8011-027 4. Remove e-rings (1) (locking washer type) that hold the blade shaft (2) in place (see the illustration). 5. Inspect the blade shafts and replace if bent or worn. 6. Drive the blade shafts out towards the center. The blades (4) and the plast
