Husqvarna S20 Grass and Shrub Shear Instruction Manual

June 1, 2024
Husqvarna

Husqvarna logo Aspire S20-P4A, Aspire S20-P4A + Aspire
Pole-P4A

Operator’s manual
Husqvarna S20 Grass and Shrub Shear

S20 Grass and Shrub Shear

Husqvarna S20 Grass and Shrub Shear - fig1Husqvarna S20 Grass and Shrub Shear - fig2https://hqr.codes/_a/se20p4a
Husqvarna S20 Grass and Shrub Shear - fig3Husqvarna S20 Grass and Shrub Shear - fig4Husqvarna S20 Grass and Shrub Shear - fig5Husqvarna S20 Grass and Shrub Shear - fig6Husqvarna S20 Grass and Shrub Shear - fig7

Introduction

Product description
The product Husqvarna Aspire S20-P4A is a battery shrub shear.
The product Husqvarna Aspire S20-P4A + Aspire PoleP4A is a battery pole shrub shear that has telescopic function.
Work is constantly in progress to increase your safety and efficiency during operation. Speak to your servicing dealer for more information.

Product overview
(Fig. 1)

  1. Rotation joint
  2. Locking knob for shrub shear
  3. Lever for telescopic function
  4. Shaft
  5. Soft sleeve
  6. Harness hook
  7. Lock button for power trigger lockout
  8. Rear handle
  9. Power trigger lockout
  10. Power trigger
  11. Battery
  12. Battery release button
  13. Battery charger
  14. Power on and warning indicator
  15. Connector
  16. Operator’s manual
  17. Shrub shear
  18. User Interface
  19. Primary handle
  20. Power trigger lockout
  21. Power trigger
  22. Transport guard for bush blade
  23. Bush blade
  24. Transport guard for grass blade
  25. Grass blade
  26. Wheels
  27. Hook for shrub shear, screws and wall plugs
  28. Hook for power unit, screws and wall plugs

Intended use
Use the product to cut grass and bushes. Do not use the product for other tasks.
Quick guide
Scan the QR code for advice on how to use the product.
(Fig. 24)

Symbols on the product

(Fig. 2) WARNING: This product can be dangerous and cause serious injury or death to the operator or others. Be careful and use the product correctly.
(Fig. 3) Read the operator’s manual carefully and make sure that you understand the instructions before you use the product.
(Fig. 4) For Aspire S20-P4A: Use approved eye protection.
(Fig. 5) Use a protective helmet in locations where objects can fall on you. Use approved hearing protection (Only for Aspire P5P4A + Aspire Pole-P4A). Use approved eye protection.
(Fig. 6) Use approved protective gloves.
(Fig. 7) Use heavy-duty slip-resistant boots. (Only applicable for Aspire P5-P4A + Aspire Pole-P4A)
(Fig. 8) Direct current.
(Fig. 9) Rated voltage, V
(Fig. 10) Do not expose to rain.
(Fig. 11) Risk of injury. Keep hands away from cutting tool.
(Fig. 12) The product complies with the applicable EU directives.
(Fig. 13) This product conforms to the applicable UK regulations.
(Fig. 14) Noise emission to the environment label as per EU and UK directives and regulations, and New South Wales legislation “Protection of the Environment Operations (Noise Control) Regulation 2017”. The guaranteed sound power level of the product is specified in Technical data on page 22 and on the label.
(Fig. 15) The product or package of the product is not domestic waste. Recycle it at a recycling station for electrical and electronic equipment.
The product or package of the product is not domestic waste. Recycle it at a recycling station for electrical and electronic equipment.
(Fig. 18) DANGER – Keep sufficient distance away from electrical power lines.
(Fig. 19) The rating plate or the laser printing shows the serial number. yyyy is the production year and ww is the production week.

Note : Other symbols/decals on the product refer to special certification requirements for certain markets.

Symbols on the battery and/or on the battery charger

(Fig. 20) Recycle this product at a recycling station for electrical and electronic equipment. (Applies to Europe only)
(Fig. 21) Use the battery only in products from POWER FOR ALL System partners.
(Fig. 22) Protect the battery against heat, e.g.
(Fig. 23)against continuous intense sunlight, fire, dirt, water and moisture. There is a risk of explosion and short-circuiting.
(Fig. 16) Use and keep the battery charger indoors only.
(Fig. 17) Double insulation.

Product damage
We are not responsible for damages to our product if:

  • the product is incorrectly repaired.
  • the product is repaired with parts that are not from the manufacturer or not approved by the manufacturer.
  • the product has an accessory that is not from the manufacturer or not approved by the manufacturer.
  • the product is not repaired at an approved service center or by an approved authority.

Manufacturer
Husqvarna AB
Drottninggatan 2, SE-561 82 Huskvarna, Sweden, tel: +46-36-146 500

Safety

Safety definitions
Warnings, cautions and notes are used to point out specially important parts of the manual.
WARNING : Used if there is a risk of injury or death for the operator or bystanders if the instructions in the manual are not obeyed.
CAUTION : Used if there is a risk of damage to the product, other materials or the adjacent area if the instructions in the manual are not obeyed.
Note: Used to give more information that is necessary in a given situation.
General power tool safety warnings
WARNING : Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Note : Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or batteryoperated (cordless) power tool.
Work area safety

  • Keep work area clean and well lit. Cluttered or dark areas invite accidents.
  • Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
  • Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

Electrical safety

  • Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools.
    Unmodified plugs and matching outlets will reduce risk of electric shock.

  • Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.

  • Do not expose power tools to rain or wet conditions.
    Water entering a power tool will increase the risk of electric shock.

  • Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.

  • When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.

  • If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI) protected supply. Use of an GFCI reduces the risk of electric shock.

Personal safety

  • Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.

  • Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.

  • Prevent unintentional starting. Ensure the switch is in the OFF-position before connecting to a power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.

  • Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.

  • Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

  • Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.

  • If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.

  • Do not let familiarity gained from frequent use of tools allow you to become complement and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

  • The vibration emission during actual use of the power tool can differ from the declared total value depending on the ways in which the tool is used.
    Operators should identify safety measures to protect themselves that are based on an estimation of exposure in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger).

  • Danger! Do not operate near electrical power lines. The unit has not been designed to provide protection from electric shock in the event of contact with overhead electric lines. Consult local regulations for safe distances from overhead electric power lines and ensure that the operating position is safe and secure before operating the product.
    Power tool use and care

  • Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.

  • Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.

  • Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.

  • Store idle power tools and accessories out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.

  • Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool´s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.

  • Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.

  • Use the power tool, accessories and tool bits etc.
    in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.

  • Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

Battery tool use and care

  • Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.

  • Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.

  • When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another.
    Shorting the battery terminals together may cause burns or a fire.

  • Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may cause irritations or burns.

  • Do not use a battery pack or tool that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behaviour resulting in fire, explosion or risk of injury.

  • Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 130 °C / 266 °F may cause explosion.

  • Follow all charging instructions and do not charge the battery pack or tool outside the temperature range specified in the instructions. Charging improperly or at temperatures outside the specified range may damage the battery and increase the risk of fire.

Service

  • Have your power tool serviced by a qualified repair person using only identical replacement parts. This  will ensure that the safety of the power tool is maintained.
  • Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers.

Shrub shear safety warnings

  • Do not use shrub shear in bad weather conditions, especially when there is a risk of lightning. This decreases the risk of being struck by lightning.

  • Keep all power cords and cables away from cutting area. Power cords or cables may be hidden and can be accidentally cut by the blade.

  • Hold the shrub shear by insulated gripping surfaces only, because the blade may contact hidden wiring.
    Blades contacting a “live” wire may make exposed metal parts of the shrub shear “live” and could give the operator an electric shock.

  • Keep all parts of the body away from the blade.
    Do not remove cut material or hold material to be cut when the blades are moving. Blades continue to move after the switch is turned off. A moment of inattention while operating the shrub shear may result in serious personal injury.

  • When clearing jammed material or servicing the shrub shear, make sure the power switch is off and the battery pack is removed or disconnected.
    Unexpected actuation of the shrub shear while clearing jammed material or servicing may result in serious personal injury.

  • Carry the shrub shear by the handle with the blade stopped and taking care not to operate the power switch. Proper carrying of the shrub shear will decrease the risk of inadvertent starting and resultant personal injury from the blades.

  • When transporting or storing the shrub shear, always use the blade cover. Proper handling of the shrub shear will decrease the risk of personal injury from the blades.

  • Always keep proper footing and operate the shrub shear only when standing on fixed, secure and level surface. Slippery or unstable surfaces mau cause a loss of balance or control of the shrub shear.

  • Keep handles dry, clean and free from oil and grease. Greasy, oily handles are slippery causing loss of control.

General pole shrub shear safety warnings

  • Always use head protection when operating the pole shrub shear overhead. Falling debris can result in serious personal injury.
  • Always use two hands when operating the pole shrub shear. Hold the pole shub shear with both hands to avoid loss of control.
  • To reduce the risk of electrocution, never use the pole shrub shear near any electrical power lines.
    Contact with or use near power lines may cause serious injury or electric shock resulting in death.

General safety instructions

WARNING : Read the warning instructions that follow before you use the product.

  • Remove the battery to prevent the product from being started by accident.

  • This product is a dangerous tool if you are not careful or if you use the product incorrectly. This product can cause serious injury or death to the operator or others.

  • Do not use the product if it is changed from its initial specification. Do not change a part of the product without approval from the manufacturer. Only use parts that are approved by the manufacturer.
    Injury or death is a possible result of incorrect maintenance.

  • Do a check of the product before use. See, Safety devices on the product on page 14 and Maintenance on page 19. Do not use a product that is damaged or does not operate correctly. Do the safety checks, maintenance and service instructions described in this manual.

  • Children should be supervised to ensure that they do not play with the product. Never allow children or other persons not trained in the use of the product and/or the battery to use or service it. Local laws may regulate the age of the user.

  • Keep the product in a locked area to prevent access for children or persons that are not approved.

  • Store the product out of reach of children.

  • Under no circumstances may the design of the product be modified without the permission of the manufacturer. Always use original accessories. Nonauthorized modifications and/or accessories can result in serious personal injury or the death of the operator and others.

Note : National or Local laws can regulate the use. Comply to given regulations.

WARNING : Read and obey the Safety instructions for operation warning instructions that follow before you use the product.

  • Check the hedges and bushes for foreign objects, e.g wire fences and hidden wiring.

  • Ensure that no people or animals come closer than 15 m (50 ft.) while you work. When several operators are working in the same area the safety distance should be at least 15 m. Otherwise there is a risk of serious personal injury. Stop the product immediately if anyone approaches. Never swing the product around without first checking behind you to make sure that no one is within the safety zone.

  • Never use the product in bad weather, for instance in dense fog, in heavy rain, strong winds, intense cold, etc. Extremely hot weather may cause overheating of the product. Working in bad weather is tiring and often brings added risks, such as icy ground, unpredictable felling direction, etc.

  • Do not allow children to use or be in the vicinity of the product. Since the product is easy to start, children may be able to start it if they are not kept under full surveillance. This can mean a risk of serious personal injury. Disconnect the battery when the product is not under close supervision.

  • Ensure that people, animals or other things can not affect your control of the product or that they do not come in contact with the cutting attachment or loose objects that are thrown out by the cutting attachment.

  • Listen out for warning signals or shouts when you wear hearing protection. Always remove your hearing protection as soon as the product stops.

  • Overexposure to vibration can lead to circulatory damage or nerve damage in persons who have poor circulation. Speak to your physician 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 usually show in the fingers, hands or wrists.

  • Never use a cutting attachment without an approved guard. If an incorrect or faulty guard is fitted this can cause serious personal injury.

  • Always stop the product, remove the battery and make sure that the cutting equipment stops completely before you start to do any work on the product.

  • If you encounter a situation where you are uncertain how to proceed you should ask an expert. Contact your dealer or your service workshop. Avoid all usage which you consider to be beyond your capability.

  • Avoid all usage which you consider to be beyond your capability.

  • Never use the product if you are fatigued, while under the influence of alcohol or drugs, medication or anything that could affect your vision, alertness, coordination or judgment.

  • Do not use the product unless you are able to call for help in case of an accident.

  • Keep a good balance and a firm foothold. Make sure that you can move and stand safely. Check the area around you for possible obstacles (roots, rocks, branches, ditches, etcetera) in case you have to move suddenly. Take great care when you work on sloping ground.

  • Use the harness to support the weight of the product and make it easier to handle.

  •  For Aspire S20-P4A: Hold the product with your right or left hand. Keep hands and other body parts away from the blade.
    (Fig. 25)

  • For Aspire S20-P4A + Aspire Pole-P4A: Always hold the product with both hands.
    (Fig. 26)

  • Before you remove unwanted materials from the product, stop the motor and make sure that the blade does not turn.

  • Stop the product before you move to another area. Attach the transport guard before carrying or transporting the product any distance.

  • Never put the product down when it is activated unless you have it in clear sight.

  • Observe the applicable safety regulations for work in the vicinity of overhead power lines.

  • This product is not electrically insulated. If the product touches or comes close to high-voltage power lines it could lead to death or serious bodily injury. Electricity can jump from one point to another by arcing. The higher the voltage, the greater the distance electricity can jump. Electricity can also travel through branches and other objects, especially if they are wet. Always keep a distance of at least 10 m between the product and high voltage power lines
    and/or objects that are touching them. If you have to work within this safe distance you should always contact the relevant power company to make sure the power is switched off before you start work.

Personal protective equipment

WARNING : Read the warning instructions that follow before you use the product.

  • Always use approved personal protective equipment when you use the product. Personal protective equipment cannot fully prevent injury but it decreases the degree of injury if an accident does occur. Let your dealer help you select the right equipment.

  • Use a helmet if it is possible that objects can fall on you.
    (Fig. 27)

  • Use approved hearing protection.
    (Fig. 28)

  • Use approved eye protection. If you use a visor, you must also use approved protective goggles.
    Approved protective goggles must agree with the ANSI Z87.1 standard in the USA or EN 166 in EU countries.
    (Fig. 29)

  • Use gloves when it is necessary, for example when you attach, examine or clean the cutting equipment.
    (Fig. 30)

  • Use protective boots, or shoes, with non-slip soles.
    (Fig. 31)

  • Use pants with saw protection.

  • Use clothing made of a strong fabric. Always use heavy, long pants and long sleeves. Do not use loose clothing that can catch on twigs and branches.
    Do not wear jewelry, short pants, open shoes or go with bare feet. Put your hair up safely above your shoulders.

  • Keep first aid equipment close at hand.
    (Fig. 32)

Safety devices on the product

WARNING : Read the warning instructions that follow before you use the product.

In this section the product’s safety features, its purpose and how checks and maintenance should be carried out to ensure that it operates correctly. See instructions under the heading Product overview on page 9 to find where these parts are located on your product.
The life span of the product can be reduced and the risk of accidents can increase if product 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.
WARNING : Never use a product with damaged safety components. The product’s safety equipment must be inspected and maintained as described in this section.
If your product fails any of these checks, contact your service agent to get it repaired.

CAUTION : All servicing and repair work on the machine requires special training.
This is especially true of the machine′s safety equipment. If 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.
To do a check of the user interface Aspire S20-P4A The green LEDs (A) show the state of charge. The green LEDs also show that the product is on.

  1. Push and hold the on/off button (B). (Fig. 33) a) The product is on when the green LEDs (A) are on.
    b) The product is off when the green LEDs (A) are off.

  2. Refer to User interface on page 20 if the warning indicator (C) flashes.

To do a check of the power trigger lockout

The power trigger lockout prevents accidental operation.
When you release the handle, the power trigger and the power trigger lockout move back to their initial position.

  1. For power unit: Push the lock button for the power trigger lockout forward. (Fig. 34)

  2. Make sure that the power trigger is locked when the power trigger lockout is in its initial position.
    a) For Aspire S20-P4A: (Fig. 35) (Fig. 36)
    b) For power unit: (Fig. 37)

  3. Push the power trigger lockout on one side, and then on the other side. Make sure that the power trigger lockout moves back to its initial position.
    a) For Aspire S20-P4A: (Fig. 38) (Fig. 39)
    b) For power unit: (Fig. 40)

  4. Make sure that the power trigger and the power trigger lockout move freely and that the return spring operates correctly.
    a) For Aspire S20-P4A: (Fig. 41) (Fig. 42)
    b) For power unit: (Fig. 43)

  5. Start the product, refer to To start the product Aspire S20-P4A on page 18 and To start the product Aspire S20-P4A + Aspire Pole-P4A on page 19.

  6. Release the power trigger and make sure that the blade stops fully.

Battery safety

WARNING : Read all the safety and general instructions. Failure to observe the safety and general instructions may result in electric shock, fire and / or serious injury. Keep all the safety information and general instructions for future reference.

  • These safety instructions apply only to 18V Li-ion rechargeable batteries for the POWER FOR ALL system.

  • Use the rechargeable battery only in products from POWER FOR ALL System partners. 18 V rechargeable batteries labelled with POWER FOR ALL are fully compatible with the following products:
    – All products of the 18V POWER FOR ALL battery system.
    – All 18 V products from POWER FOR ALL System partners.

  • Observe the battery recommendations in the operating manual of your product. Only this way can the rechargeable battery and the product be operated without danger and the rechargeable
    batteries protected from hazardous overloading.

  • Only charge the batteries using chargers recommended by the manufacturer or by POWER FOR ALL system partners. A charger that is suitable for one type of battery may pose a fire risk when used with a different battery.

  • The battery is supplied partially charged. To ensure full battery capacity, fully charge the battery in the charger before using your power tool for the first time.

  • Keep battery packs out of the reach of children.

  • Do not open the battery. There is a risk of short-circuiting.

  • In case of damage and improper use of the battery, vapours may be emitted. The battery can set alight or explode. Ensure the area is well ventilated and seek medical attention should you experience any adverse effects. The vapours may irritate the respiratory system.

  • If used incorrectly or if the battery is damaged, flammable liquid may be ejected from the battery.
    Contact with this liquid should be avoided. If contact accidentally occurs, rinse off with water. If the liquid comes into contact with your eyes, seek additional medical attention. Liquid ejected from the battery may cause irritation or burns.

  • If the battery is damaged liquid can be ejected and cover nearby surfaces. Check affected parts. Clean these parts or change them if necessary.

  • Do not short-circuit the battery pack. When the battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another. Shorting the battery terminals together may cause burns or a fire.

  • The battery can be damaged by pointed objects such as nails or screwdrivers or by force applied externally. An internal short circuit may occur, causing the battery to burn, smoke, explode or overheat.

  • Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers.

  • Protect the battery against heat, e. g. against continuous intense sunlight, fire, dirt, water and moisture. There is a risk of explosion and short-circuiting.

  • Use the battery in the product only when the ambient temperature is between -5 °C – 40 °C.

  • Only store the battery at an ambient temperature between -20 °C – 50 °C. Do not leave the battery in your car in the summer, for example.
    At temperatures of < 0 °C some devices may experience a loss of power.

  • Only charge the battery at an ambient temperature which is between 0 °C – +35 °C. Charging outside of this temperature range can increase the risk of damage to the battery and pose a fire hazard.

Battery charger safety

WARNING : Read all the safety and general instructions. Failure to observe the safety and general instructions may result in electric shock, fire and / or serious injury.
Store these instructions in a safe place.
Only use the charger if you can fully evaluate all functions and carry them out without restrictions, or if you have received corresponding instructions.

  • This charger is not intended for use by children or persons with physical, sensory or mental limitations or a lack of experience or knowledge. This charger can be used by children aged 8 or older and by persons who have physical, sensory or mental limitations or a lack of experience or knowledge if a person responsible for their safety supervises them or has instructed them in the safe operation of the charger and they understand the associated dangers. Otherwise, there is a risk of operating errors and injuries.

  • Supervise children during use, cleaning and maintenance. This will ensure that children do not play with the charger.

  • Only charge 18V POWER FOR ALL system batteries with a capacity of 1.5 Ah and above. The battery voltage must match the battery charging voltage of the charger. Do not charge any nonrechargeable batteries.
    Otherwise there is a risk of fire and explosion.

  • Only use the charger in enclosed spaces and do not expose it to wet conditions. Water entering a power tool will increase the risk of electric shock.

  • Keep the charger clean. Dirt poses a risk of electric shock.

  • Always check the charger, cable and plug before use. Stop using the charger if you discover any damage. Do not open the charger yourself, and have it repaired only by Husqvarna or by an authorised after-sales service centre using only original replacement parts. Damaged chargers, cables and plugs increase the risk of electric shock.

  • Do not operate the charger on an easily ignitedsurface (e. g. paper, textiles, etc.) or in a flammable environment. There is a risk of fire due to the charger heating up during operation.

  • Do not cover the ventilation slots of the charger. Otherwise, the charger may overheat and no longer function properly.

  • Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.

  • In case of damage and improper use of the battery, vapours may also be emitted. Ensure the area is well ventilated and seek medical attention should you experience any adverse effects. The vapours may irritate the respiratory system.

  • Under abusive conditions, liquid may be ejected from the battery. Contact with this liquid should be avoided. If contact accidentally occurs, rinse off with water. If the liquid comes into contact with your eyes, seek additional medical attention. Liquid ejected from the battery may cause irritation or burns.

  • Products sold in GB only: Your product is fitted with an BS 1363/A approved electric plug with internal fuse (ASTA approved to BS 1362). If the plug is not suitable for your socket outlets, it should be cut off and an appropriate plug fitted in its place by an authorised customer service agent. The replacement plug should have the same fuse rating as the original plug. The severed plug must be disposed of to avoid a possible shock hazard and should never be
    inserted into a mains socket elsewhere.

Safety instructions for maintenance

WARNING : Read the warning instructions that follow before you do maintenance on the product.

  • Remove the battery before you do maintenance, other checks or assemble the product.
  • The operator must only do the maintenance and servicing shown in this operator’s manual. Turn to your servicing dealer for maintenance and servicing of a larger extension.
  • Do not clean the battery or the battery charger with water. Strong detergent can cause damage to the plastic.
  • If you do not do maintenance, it decreases the life cycle of the product and increases the risk of accidents.
  • Special training is necessary for all servicing and repair work, especially for the safety devices on the product. If not all checks in this operator’s manual are approved after you have done maintenance, turn to your servicing dealer. We guarantee that there are professional repairs and servicing available for your product.
  • Only use original spare parts.

Assembly

WARNING : Read and understand the safety chapter before you assemble the product.

Introduction

WARNING : Read and understand the safety chapter before you assemble the product.

To attach the shrub shear to the telescopic shaft

  1. Attach the shrub shear (A) to the telescopic shaft (B). The shrub shear must move into the holder on the telescopic shaft easily, if not, it is not installed correctly. (Fig. 44)
  2. Tighten the locking knob (C).

Note : When the shrub shear is attached to the telescopic shaft, the user interface of the shrub shear is disconnected.

To install and remove the cutter blades

  1. Align the cutter blade with the slot in the blade holder on the product.

  2. Push the cutter blade fully into the blade holder.
    The cutter blade locks into position when you hear a click.

  3. Push the blade release buttons (A) on the blade holder to remove the blades. (Fig. 45) (Fig. 46)

To install and remove the wheels (only for grass blade)

  1. Push the wheels (A) fully onto the product. (Fig. 47)
  2. Push the release button (B) to remove the wheels.
    (Fig. 48)

To install and remove the hedge sweeper (only for bush blade)

  1. Align the slots on the hedge sweeper groove (A) with the slots on the bush blade (B). (Fig. 49)
  2. To lock the hedge sweeper to the bush blade, push the hedge sweeper down (C) and in the direction of the product (D). (Fig. 50)
  3. Remove the hedge sweeper in the opposite sequence.

To adjust the length of the telescopic shaft

  1. Lift the lever (A) on the shaft. (Fig. 51)
  2. Adjust the telescopic shaft to an applicable length.
  3. Push the lever down to lock the telescopic shaft.

To install the hook on the wall

  • Install the hook indoors.

  • Keep the hook out of sunlight and in ambient temperature of -10°C to 70°C.

  • Install the hook on a drywall, wood or concrete wall.
    CAUTION : Make sure that the wall can hold loads of minimum 30 kg.

  • Install the hook on the wall with the 3 screws (A). Use wall plugs (B) if it is necessary.
    CAUTION : Make sure that the screws are applicable for your wall type.
    a) For Aspire S20-P4A: (Fig. 52)
    b) For power unit: (Fig. 53)

  • Speak to your Husqvarna service agent for information about available storage accessories for your product.

To hang the product on the hook

  • Hang the shrub shear on the hook as shown in the illustration: (Fig. 54) (Fig. 55)
  • Hang the power unit on the hook as shown in the illustration: (Fig. 56)

Operation

To do a function check before you use the product

  1. Examine the air intake for dirt and damage. Remove dirt and unwanted material from the product with a brush.
  2. Tighten all nuts and screws.
  3. Make sure that the shrub shear is attached correctly.
  4. Make sure that the lock button for power trigger lockout is engaged.
  5. Make sure that the locking devices of the extended shaft and the pivoting element are in locked position.
  6. Examine the shrub shear for damages, for example, cracks. Replace the shrub shear if it is damaged.
  7. Make sure that the covers are attached correctly and not damaged.
  8. Make sure that the product operates correctly.

Battery

WARNING : Before you use the battery, you must read and understand the safety chapter. You must also read and understand the operator’s manual for the battery and the battery charger.
Keep the battery and the battery charger in correct ambient temperatures.

| Ambient temperature
---|---
Operation of the bat- tery in the product| -5 °C – 40 °C
Charging of the bat- tery| 0 °C – 35 °C

To charge the battery
Charge the battery before the first use.
Note : The charging process is only possible when the temperature of the battery is within the permitted charging temperature range (0–35 °C).

  1. Connect the power cord for the battery charger in a grounded mains.
    CAUTION: Make sure that the mains has the correct voltage and frequency.

  2. Put the battery in the battery charger. The battery is connected to the battery charger when the green LED flashes. (Fig. 57)

  3. The battery is fully charged when the green LED on the battery charger is on. Charge the battery for maximum 24 hours.

  4. Disconnect the battery charger from the mains.
    CAUTION: Do not pull the power cord.

  5. Remove the battery from the battery charger.

Battery status LED on the battery charger
The green LED (A) on battery charger show the battery status. Refer to Battery status LED on the product on page 18.
(Fig. 58)

LED Battery status
The green LED flashes. The battery is charging.
The green LED is on. The battery is fully charg- ed.

Battery status LED on the product
When the battery is installed in the product, the LEDs on the product show the battery status.
(Fig. 59)

LED Battery status
LED 1, 2 and 3 are lit. Fully charged.
LED 1 and 2 are lit. Sufficiently charged
LED 1 is lit. The battery power is low.
LED 1 flashes. The battery is empty. The bat- tery status indicator flashes.

Charge the battery. Refer to To charge the battery on page 18.

To connect the battery to the product

WARNING : Only use lithium-ion batteries of the POWER FOR ALL system P4A 18 V in the product.

  1. Make sure that the battery is fully charged.

  2. Put the battery into the battery holder of the product.
    The battery must move into the holder easily, if not, it is not installed correctly.
    a) For Aspire S20-P4A: (Fig. 60)
    b) For Aspire S20-P4A + Aspire Pole-P4A: (Fig. 61)

  3. Push the battery fully into the battery holder. The battery locks into position when you hear a click.

  4. Make sure that the latch locks in position correctly.

To start the product Aspire S20-P4A

  1. Push the on/off button on the user interface (A). The LED lights come on. (Fig. 62)
  2. Push the power trigger lockout (B) from the left or the right side, and hold the power trigger (C).

To start the product Aspire S20-P4A + Aspire Pole-P4A

  1. Push the lock button for the power trigger lockout forward. (Fig. 34)
  2. Push the power trigger lockout (A) from the left or the right side, and hold the power trigger (B). (Fig. 63)

To stop the product Aspire S20-P4A

  1. Release the power trigger.
  2. Push the on/off button on the user interface. The LED lights go off.
  3. Push the battery release button and pull out the battery. (Fig. 64)

To stop the product Aspire S20-P4A + Aspire Pole-P4A

  1. Release the power trigger.
  2. Push the lock button for the power trigger lockout rearward to lock the product.
  3. Push the battery release button and pull out the battery. (Fig. 65)
  4. If it is necessary, remove the telescopic shaft from the product.
    To adjust the angle of the product
    The product can be adjusted in 7 different positions.

WARNING : Do not adjust the angle when you operate the product.

  1. Stop the product and remove the battery.
  2. Hold the shrub shear holder (A) tightly. (Fig. 66)
  3. Push and hold the rotation joint (B).
  4. Set the shrub shear holder to the correct position.
  5. Release the rotation joint to lock the shrub shear holder.
  6. Move the shrub shear holder up and down until it locks into position.

Maintenance

Introduction

WARNING : Read and understand the safety chapter before you do maintenance work on the product.
WARNING : Remove the battery before you do maintenance on the product.
Maintenance schedule
The following is a list of the maintenance steps that you must do on the product.

Maintenance Before use Weekly Monthly
Clean the external parts of the product. X
Make sure that the ON/OFF button operates correctly and is not damaged. X

Make sure that the power trigger and the power trigger lockout operate correctly from a safety point of view.| X| |
Make sure that all controls operate correctly.| X| |
Make sure that the cutter blade and transport guard have no cracks and that they are not damaged. Replace the cutter blade or the transport guard if they have cracks or if they have been exposed to impact.| X| |
Replace the cutter blade if it is bent or damaged.| X| |
Examine the wheels. Replace the wheels if they are damaged.| X| |
Make sure that the screws and nuts are tight.| X| |
Make sure that the battery is not damaged.| X| |
Make sure that the battery is charged.| X| |
---|---|---|---
Make sure that the battery charger is not damaged.| X| |
Make sure that the hedge sweeper is not damaged. Replace the hedge sweeper if it is damaged.| X| |
Make sure that the screws that hold the cutter blades together are correctly tightened.| | X|
Do a check of the connections between the battery and the product. Do a check of the connection between the battery and the battery charger.| | | X

To examine the battery and the battery charger

  1. Examine the battery for damages, for example cracks.
  2. Examine the battery charger for damages, for example cracks.
  3. Make sure that the connection cord of the battery charger is not damaged and that there are no cracks in it.

To clean the product, the battery and the battery charger

  1. Clean the product with a dry cloth after use.
  2. Clean the battery and battery charger with a dry cloth. Keep the battery guide tracks clean.
  3. Make sure that the terminals on the battery and the battery charger are clean before the battery is put in the battery charger or the product.

To examine the blade

  1. Clean the blade from unwanted materials with an anti corrosion cleaning agent before and after you use the product.
  2. Examine the edges of the blade for damages and deformation.
  3. Use a file to remove burrs on the blade.
  4. Make sure that the blades move freely.

To clean and lubricate the blades

  1. Clean the blades from unwanted materials before and after you use the product.
  2. Lubricate the blades before long periods of storage.
    Note : Speak to your servicing dealer for more information about recommended cleaning agents and lubricants.

Troubleshooting

User interface

Problem Possible faults Possible solution
Green LED flashes. Low battery voltage. Charge the battery.
Red LED flashes. Overload. The cutting attachment cannot move freely.

Release the cutting attachment.
Temperature deviation.| Let the product become cool.
The power trigger and the start button are pushed at the same time.| Release the power trigger and push the start button.
Green LED and red LED flash alternately| Battery is empty.| Charge the battery.
Battery is damaged.| Speak to your service dealer.

Troubleshooting of the battery charger

LED on the battery charger Cause Solution
The green LED is on. The battery is not correctly instal- led in the battery
charger. Remove the battery from the charger and install the bat- tery in the

battery charger again.
The battery connectors and the battery charger connectors are dirty.| Clean the battery connectors and the battery chargers connectors. For example insert and remove the battery from the battery charger several times.
The charger has identified an in- ternal error.| Ensure that all batteries are fully inserted. Remove the mains plug and reinsert. If the error occurs again, have the charger checked by an authorised after-sales service centre for Husqvarna products.
The battery is damaged.| Replace the battery.
The battery temperature is out- side of the charging range.| Wait until the battery temperature is back within the per- mitted charging temperature range (0-35°C).
The green LED is off.| The plug socket, mains cable or battery charger is damaged.| Do a check of the mains voltage. If necessary, speak to an approved service agent.
The battery charger is not correctly connected to the mains outlet.| Connect the battery charger to a mains outlet.
Other errors.| If other errors occur, make sure that the product is off, remove the battery and speak to an approved service agent.

Transportation, storage and disposal

Transportation and storage

  • The supplied Li-ion batteries obey the Dangerous Goods Legislation requirements.
  • Obey the special requirement on package and labels for commercial transportation, including by third parties and forwarding agents.
  • Speak to a person with special training in dangerous material before you send the product. Obey all applicable national regulations.
  • Use tape on open contacts when you put the battery in a package. Put the battery in the package tightly to prevent movement.
  • Remove the battery for storage or transportation.
  • Put the battery and the battery charger in a space that is dry and free from moisture and frost.
  • Do not keep the battery in an area where static electricity can occur. Do not keep the battery in a metal box.
  • Put the battery in storage where the temperature is between -20°C/-4°F and +50°C/122°F and away from open sunlight.
  • Put the battery charger in storage where the temperature is between 5 °C/41 °F and 45°C/113°F and away from open sunlight.
  • Use the battery charger only when the surrounding temperature is between 0°C/32°F and 35°C/95°F.
  • Put the product in storage where the temperatures between -40°C/-40°F to +60C°/140°F.
  • Charge the battery 30% to 50% before you put it in storage for long periods.
  • Put the battery charger in storage in a space that is closed and dry.
  • Keep the battery away from the battery charger during storage. Do not let children and other not approved persons to touch the equipment. Keep the equipment in a space that you can lock.
  • Clean the product and do a full servicing before you put the product in storage for a long time.
  • Use the transportation guard on the product to prevent injuries or damage on the product during transportation and storage.
  • Attach the product safely during transportation.
  • Keep the product in storage horizontally or hang the product on the supplied hook. Refer to To hang the product on the hook on page 17.

Disposal of the battery, battery charger and product

The symbol below means that the product is not domestic waste. Recycle it at a recycling station for electrical and electronic equipment. This helps to prevent damage to the environment and to persons.
Speak to local authorities, domestic waste service or your dealer for more information.
(Fig. 20)
Note : The symbol shows on the product or package of the product.

Technical data

| Aspire S20-P4A| Aspire S20-P4A + Aspire Pole- P4A
---|---|---
| (Bush blade)| (Grass blade)| (Bush blade)| (Grass blade)
Motor
Type| PMDC 18V| PMDC 18V| PMDC 18V| PMDC 18V
Weight
Without battery, kg| 1.2| 1.1| 2.7| 2.5
With battery, kg| 1.6| 1.4| 3.0| 2.9
Cutter
Blade length, mm| 200| 120| 200| 120
Blade speed, cuts/min.| 2800| 1400| 2800| 1400
Noise emissions 1
Sound power level, measured dB(A)| 82| 79| 83| 79
Sound power level, guaranteed LWA dB(A)| 84| 84| 84| 84
Sound levels 2
Equivalent sound pressure level at the opera- tor’s ear, dB(A)| 75| 72| 69| 72
Vibration levels 3
Vibration levels at handles, measured according to ISO 22867, m/s 2
Extended, front handle/rear handle| –| –| 0.7| 2.3
Main handle/Auxiliary handle| 1.3| 2.2| –| –

  1. Noise emissions in the environment measured as sound power (L) in conformity with EC directive 2000/14/EC. The difference between guaranteed and measured sound power is that guaranteed sound power also includes dispersion in the measurement result and the variations between different products of the same model refer to Directive 2000/14/EC.
  2. Equivalent sound pressure level, according to ISO 22868, is calculated as the time-weighted energy total for different sound pressure levels under various working conditions. Typical statistical dispersion for equivalent sound pressure level is a standard deviation of 3 dB (A).
  3. Reported data for equivalent vibration level has a typical statistical dispersion (standard deviation) of 1.5 m/s 2.

Approved batteries

This product can be operated with all POWER FOR ALL batteries. For best performance it is recommended to use batteries with a minimum of 2.0 Ah.

Battery P4A 18-B36
Type Lithium-ion
Battery capacity, Ah 2.0
Nominal voltage, V 18
Weight, kg 0.35
Number of cells (Li-Ion) 5

Approved battery chargers

Battery charger P4A 18-C50
Input voltage, V Refer to charger rating information.
Frequency, Hz 50–60
Power, W 50

Declaration of Conformity

EU Declaration of Conformity

We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare on our sole responsibility that the product:

Description Battery-operated shrub shear and pole shrub shear
Brand Husqvarna
Type / Model Aspire S20-P4A, Aspire S20-P4A + Aspire Pole-P4A
Identification Serial numbers dating from 2023 and onwards

complies fully with the following EU directives and regulations:

Directive/Regulation Description
2006/42/EC “relating to machinery”
2014/30/EU ”relating to electromagnetic compatibility”
2011/65/EU “on the restriction of the use of certain hazardous substances in

electrical and electronic equipment”
2000/14/EC| “relating to the noise emissions in the environment”

and that the following standards and/or technical
specifications are applied: EN 62841-1:2015/A11:2022,
EN 62841-4-2:2019/A1:2022, EN IEC 62841-4-5:2021/
A11:2021, EN IEC 55014-1:2021, EN IEC
55014-2:2021, EN IEC 63000:2018.
Applied conformity assessment procedure in
accordance with Directive 2000/14/EC, Annex V.
For information relating to noise emissions, refer to
Technical data on page 22.
Husqvarna S20 Grass and Shrub Shear - Huskvarna
Claes Losdal, R&D Manager, Husqvarna AB
Responsible for technical documentation

UK Declaration of Conformity
We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel:
+46-36-146500, declare on our sole responsibility that the product:

Description Battery-operated shrub shear and pole shrub shear
Brand Husqvarna
Type / Model Aspire S20-P4A, Aspire S20-P4A + Aspire Pole-P4A
Identification Serial numbers dating from 2023 and onwards

complies fully with the following UK regulations:

Description

The Supply of Machinery (Safety) Regulations 2008
Electromagnetic Compatibility Regulations 2016
The Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001
The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012

and that the following standards and/or technical
specifications are applied: EN 62841-1:2015/A11:2022,
EN 62841-4-2:2019/A1:2022, EN IEC 62841-4-5:2021/
A11:2021, EN IEC 55014-1:2021, EN IEC
55014-2:2021, EN IEC 63000:2018.
Applied conformity assessment procedure in
accordance with UK regulations Noise Emission in
the Environment by Equipment for Use Outdoors
Regulations 2001, Schedule 8.
For information relating to noise emissions, refer to
Technical data on page 22.
Husqvarna S20 Grass and Shrub Shear - Huskvarna
Claes Losdal, R&D Manager, Husqvarna AB
Responsible for technical documentation

UK Importer:
Husqvarna UK Ltd
Preston Road, Co. Durham
DL5 6UP

Licenses

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Husqvarna logoHusqvarna S20 Grass and Shrub Shear - bar
codewww.husqvarna.com
2023-11-10

Documents / Resources

| Husqvarna S20 Grass and Shrub Shear [pdf] Instruction Manual
S20 Grass and Shrub Shear, S20, Grass and Shrub Shear, Shrub Shear, Shear
---|---

References

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