DEWALT DCHT820 - Hedge trimmers

DCHT820 - Hedge trimmers DEWALT - Free user manual and instructions

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USER MANUAL DCHT820 DEWALT

Definitions: Safety Alert Symbols and Words

This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk of personal injury or property damage.

DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. (Used without word) Indicates a safety related message.

NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage.

Fig. A
DEWALT DCHT820 - Definitions: Safety Alert Symbols and Words - 1

text_image 2 34568 1 7

1 Trigger switch
2 Lock-off switch
3 Switch handle
4 Blade guard
5 Bail handle
6 Blade
7 Battery pack
8 Battery release button

WARNING: Read all safety WARNINGS

and all instructions. Failure to follow the WARNINGS and instructions may result in electric shock, fire and/or serious injury.

DEWALT DCHT820 - Definitions: Safety Alert Symbols and Words - 2

WARNING: To reduce the risk of injury, read the instruction manual.

If you have any questions or comments about this or any DEWALT tool, call us toll free at: 1-800-4-DEWALT (1-800-433-9258).

English

GENERAL POWER TOOL SAFETY WARNINGS

WARNING: Read all safety WARNINGS, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.

SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE.

The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

1) Work Area Safety

a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
b) 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.
c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2) Electrical Safety

a) 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.
b) 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.
c) Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
d) 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.
e) 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.
f) If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric shock.

3) Personal Safety

a) 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.

b) 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.
c) Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.
d) 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.
e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
f) Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
g) 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.
h) Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.

4) Power Tool Use and Care

a) 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.
b) 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.
c) Disconnect the plug from the power source and/or remove the battery pack, if detachable, 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.

d) Store idle power tools 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.

e) 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.

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

English

g) 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.
h) 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.

5) Battery Tool Use and Care

a) 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.
b) Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
c) 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.
d) 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 irritation or burns.
e) Do not use a battery pack or tool that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behavior resulting in fire, explosion or risk of injury.
f) Do not expose a battery pack or tool to fire or excessive temperature. Exposure to fire or temperature above 265 °F (130 °C) may cause explosion.
g) 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.

6) Service

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

Hedge Trimmer Safety Warnings

- Keep all parts of the body away from the cutter blade. Do not remove cut material or hold material to be cut when blades are moving. Make sure the switch is off when clearing jammed material. Blades coast after turn off. A moment of inattention while operating the hedge trimmer may result in serious personal injury.

- Carry the hedge trimmer by the handle with the cutter blade stopped. Proper handling of the hedge trimmer will reduce possible personal injury from the cutter blades.

MINGER: Keep hands away from

blade. Contact with blade will result in serious personal injury.

  • Hold the power tool by insulated gripping surfaces only, because the cutter blade may contact hidden wiring. Cutter blades contacting a "live" wire may make exposed metal parts of the power tool "live" and could give the operator an electric shock.
  • Use both hands when operating the hedge trimmer. Using one hand could cause loss of control and result in serious personal injury.
  • Keep extension cord away from cutting area. During operation the extension cord may be hidden in shrubs and can be accidentally cut by the blade.
  • Check the hedge for foreign objects, e.g. wire fences.

AUTION: Do not expose to rain.

WARNING: Remove plug from the outlet immediately if the extension cord becomes damaged or cut.

Additional Safety Information

WARNING: Never modify the power tool or any part of it. Damage or personal injury could result.

WARNING: ALWAYS use safety glasses.

Everyday eyeglasses are NOT safety glasses. Also use face or dust mask if cutting operation is dusty. ALWAYS WEAR CERTIFIED SAFETY EQUIPMENT:

• ANSI Z87.1 eye protection (CAN/CSA Z94.3),
• ANSI S12.6 (S3.19) hearing protection,
• NIOSH/OSHA/MSHA respiratory protection.

WARNING: Some dust created by this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

• compounds in fertilizers
• compounds in insecticides, herbicides and pesticides
• arsenic and chromium from chemically treated lumber

To reduce your exposure to these chemicals, wear approved safety equipment such as dust masks that are specially designed to filter out microscopic particles.

English

Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.

- Wear protective clothing and wash exposed areas with soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin may promote absorption of harmful chemicals.

WARNING: Use of this tool can generate and/or disperse dust, which may cause serious and permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory protection appropriate for the dust exposure. Direct particles away from face and body.

WARNING: Always wear proper personal hearing protection that conforms to ANSI S12.6 (S3.19) during use. Under some conditions and duration of use, noise from this product may contribute to hearing loss.

AUTION: When not in use, place tool on its side on a stable surface where it will not cause a tripping or falling hazard. Some tools with large battery packs will stand upright on the battery pack but may be easily knocked over.

• Air vents often cover moving parts and should be avoided. Loose clothes, jewelry or long hair can be caught in moving parts.

The label on your tool may include the following symbols. The symbols and their definitions are as follows:

V....volts

Hz......hertz

A ...... amperes

W.....watts

min......minutes

\~ or AC......alternating current

or DC.....direct current

Class I Construction (grounded)

ClassII

Construction

(double insulated)

.../min.....per minute

RPM......revolutionsper

minute

n_0 ......no load speed

earthing terminal

⚠️ ____ safety alert symbol

CSPM.... cut strokes per

minute

BATTERIES AND CHARGERS

The battery pack is not fully charged out of the carton. Before using the battery pack and charger, read the safety instructions below and then follow charging procedures outlined. When ordering replacement battery packs, be sure to include the catalog number and voltage. Your tool uses a DEWALT charger. Be sure to read all safety instructions before using your charger. Consult the chart at the end of this manual for compatibility of chargers and battery packs.

READ ALL INSTRUCTIONS

Important Safety Instructions for All Battery Packs

WARNING: Read all safety WARNINGS and all instructions for the battery pack, charger and power tool. Failure to follow the WARNINGS and instructions may result in electric shock, fire and/or serious injury.

- Do not charge or use the battery pack in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Inserting or removing the battery pack from the charger may ignite the dust or fumes.

- NEVER force the battery pack into the charger. DO NOT modify the battery pack in any way to fit into a non-compatible charger as battery pack may rupture causing serious personal injury. Consult the chart at the end of this manual for compatibility of batteries and chargers.

- Charge the battery packs only in designated DEWALT chargers.

• DO NOT splash or immerse in water or other liquids.

- Do not store or use the tool and battery pack in locations where the temperature may reach or exceed 104 °F (40 °C) (such as outside sheds or metal buildings in summer). For best life store battery packs in a cool, dry location. NOTE: Do not store the battery packs in a tool with the trigger switch locked on. Never tape the trigger switch in the ON position.

- Do not expose battery pack or tool/appliance to fire or excessive temperature. Exposure to fire or temperature above 265°F (130°C) may cause explosion.

- Do not incinerate the battery pack even if it is severely damaged or is completely worn out. The battery pack can explode in a fire. Toxic fumes and materials are created when lithium ion battery packs are burned.

- If battery contents come into contact with the skin, immediately wash area with mild soap and water. If battery liquid gets into the eye, rinse water over the open eye for 15 minutes or until irritation ceases. If medical attention is needed, the battery electrolyte is composed of a mixture of liquid organic carbonates and lithium salts.

- Contents of opened battery cells may cause respiratory irritation. Provide fresh air. If symptoms persist, seek medical attention.

WARNING: Burn hazard. Battery liquid may be flammable if exposed to spark or flame.

WARNING: Fire hazard. Never attempt to open the battery pack for any reason. If the battery pack case is cracked or damaged, do not insert into the charger. Do not crush, drop or damage the battery pack. Do not use a battery pack or charger that has received a sharp blow, been dropped, run over or

damaged in any way (e.g., pierced with a nail, hit with a hammer, stepped on). Damaged battery packs should be returned to the service center for recycling.

Transportation

WARNING: Fire hazard. Do not store or carry the battery pack so that metal objects can contact exposed battery terminals. For example, do not place the battery pack in aprons, pockets, tool boxes, product kit boxes, drawers, etc., with loose nails, screws, keys, etc. Transporting batteries can possibly cause fires if the battery terminals inadvertently come in contact with conductive materials such as keys, coins, hand tools and the like. The US Department of Transportation Hazardous Material Regulations (HMR) actually prohibit transporting batteries in commerce or on airplanes in carry-on baggage UNLESS they are properly protected from short circuit. So when transporting individual battery packs, make sure that the battery terminals are protected and well insulated from materials that could contact them and cause a short circuit. NOTE: Lithium-ion batteries should not be put in checked baggage.

Shipping the DEWALT FLEXVOLT™ Battery

The DEWALT FLEXVOLT™ battery has two modes: Use and Shipping.

Use Mode: When the FLEXVOLT™ battery stands alone or is in a DEWALT 20V Max* product, it will operate as a 20V Max* battery. When the FLEXVOLT™ battery is in a 60V Max* or a 120V Max* (two 60V Max* batteries) product, it will operate as a 60V Max* battery.

Shipping Mode: When

the cap is attached to the FLEXVOLT™ battery, the battery is in Shipping Mode. Strings of cells are electrically disconnected within the pack resulting in three batteries with a lower Watt hour (Wh) rating as compared to one battery with a higher Watt hour rating. This increased quantity of three batteries with the lower Watt hour rating can exempt the pack from certain shipping regulations that are imposed upon the higher Watt hour batteries.

The battery label indicates two Watt hour ratings (see example). Depending on how the battery is shipped, the appropriate Watt hour rating must be used to determine the applicable shipping requirements. If utilizing the shipping cap, the pack will be considered 3 batteries at the Watt hour rating indicated for "Shipping". If shipping without the cap or in a tool, the pack will be considered one battery at the Watt hour rating indicated next to "Use".

DEWALT DCHT820 - Shipping Mode: When - 1

Example of Use and Shipping Label Marking

USE: 120 Wh Shipping: 3 x 40 Wh

For example, Shipping Wh rating might indicate 3 x 40 Wh, meaning 3 batteries of 40 Watt hours each. The Use Wh rating might indicate 120 Wh (1 battery implied).

Fuel Gauge Battery Packs (Fig. B)

Some DEWALT battery packs include a fuel gauge which consists of three green LED lights that indicate the level of charge remaining in the battery pack.

The fuel gauge is an indication of approximate levels of charge remaining in the battery pack according to the following indicators:

DEWALT DCHT820 - Fuel Gauge Battery Packs (Fig. B) - 1

75–100% charged

DEWALT DCHT820 - Fuel Gauge Battery Packs (Fig. B) - 2

51–74% charged

DEWALT DCHT820 - Fuel Gauge Battery Packs (Fig. B) - 3

< 50% charged

DEWALT DCHT820 - Fuel Gauge Battery Packs (Fig. B) - 4

Pack needs to be charged

To actuate the fuel gauge, press and hold the fuel gauge button. A combination of the three green LED lights will illuminate designating the level of charge left. When the level of charge in the battery is below the usable limit, the fuel gauge will not illuminate and the battery will need to be recharged.

Fig. B
DEWALT DCHT820 - Fuel Gauge Battery Packs (Fig. B) - 5

NOTE: The fuel gauge is only an indication of the charge left on the battery pack. It does not indicate tool functionality and is subject to variation based on product components, temperature and end-user application.

For more information regarding fuel gauge battery packs, please call 1-800-4-DEWALT (1-800-433-9258) or visit our website www.dewalt.com.

The RBRC® Seal

The RBRC® (Rechargeable Battery Recycling Corporation) Seal on the nickel cadmium, nickel metal hydride or lithium-ion batteries (or battery packs) indicates that the costs to recycle these batteries (or battery packs) at the end of their useful life have already been paid by DEWALT. In some areas, it is illegal to place spent nickel cadmium, nickel metal hydride or lithium-ion batteries in the trash or municipal solid waste stream and the Call 2 Recycle® program provides an environmentally conscious alternative.

DEWALT DCHT820 - The RBRC® Seal - 1

Call 2 Recycle, Inc., in cooperation with DEWALT and other battery users, has established the program in the United States and Canada to facilitate the collection of spent nickel cadmium, nickel metal hydride or lithium-ion batteries. Help protect our environment and conserve natural resources by returning the spent nickel cadmium, nickel metal hydride or lithium-ion batteries to an authorized DEWALT service center or to your local retailer for recycling. You may also contact your local recycling center for information on where to drop off the spent battery. RBRC® is a registered trademark of Call 2 Recycle, Inc.

ENGLISH

Important Safety Instructions for All Battery Chargers

WARNING: Read all safety WARNINGS and all instructions for the battery pack, charger and power tool. Failure to follow the WARNINGS and instructions may result in electric shock, fire and/or serious injury.

  • DO NOT attempt to charge the battery pack with any chargers other than the ones in this manual. The charger and battery pack are specifically designed to work together.
    • These chargers are not intended for any uses other than charging DEWALT rechargeable batteries. Any other uses may result in risk of fire, electric shock or electrocution.
  • Do not expose the charger to rain or snow.
  • Pull by the plug rather than the cord when disconnecting the charger. This will reduce the risk of damage to the electric plug and cord.
  • Make sure that the cord is located so that it will not be stepped on, tripped over or otherwise subjected to damage or stress.
  • Do not use an extension cord unless it is absolutely necessary. Use of improper extension cord could result in risk of fire, electric shock or electrocution.
  • When operating a charger outdoors, always provide a dry location and use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
  • An extension cord must have adequate wire size (AWG or American Wire Gauge) for safety. The smaller the gauge number of the wire, the greater the capacity of the cable, that is, 16 gauge has more capacity than 18 gauge. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. When using more than one extension to make up the total length, be sure each individual extension contains at least the minimum wire size. The following table shows the correct size to use depending on cord length and nameplate ampere rating. If in doubt, use the next heavier gauge. The lower the gauge number, the heavier the cord.

Minimum Gauge for Cord Sets

VoltsTotal Length of Cord in Feet (meters)
120 V 25 (7.6)50 (15.2)100 (30.5)150 (45.7)
240 V 50 (15.2)100 (30.5)200 (61.0)300 (91.4)
Ampere RatingAmerican Wire Gauge
More ThanNot More Than
0 6 1816 16 14
6 10 1816 14 12
10 1216 16 14 12
12 16 14 12 Not Recommended

- Do not place any object on top of the charger or place the charger on a soft surface that might block

the ventilation slots and result in excessive internal heat. Place the charger in a position away from any heat source. The charger is ventilated through slots in the top and the bottom of the housing.

  • Do not operate the charger with a damaged cord or plug.
  • Do not operate the charger if it has received a sharp blow, been dropped or otherwise damaged in any way. Take it to an authorized service center.
  • Do not disassemble the charger; take it to an authorized service center when service or repair is required. Incorrect reassembly may result in a risk of electric shock, electrocution or fire.
  • Disconnect the charger from the outlet before attempting any cleaning. This will reduce the risk of electric shock. Removing the battery pack will not reduce this risk.
    • NEVER attempt to connect 2 chargers together.
  • The charger is designed to operate on standard 120V household electrical power. Do not attempt to use it on any other voltage. This does not apply to the vehicular charger.

WARNING:

Shock hazard. Do not allow

any liquid to get inside the charger. Electric shock may result.

WARNING:

Burn hazard. Do not

submerge the battery pack in any liquid or allow any liquid to enter the battery pack. Never attempt to open the battery pack for any reason. If the plastic housing of the battery pack breaks or cracks, return to a service center for recycling.

AUTION:

Burn hazard. To reduce the risk DEWALT rechargeable battery batteries may overheat and burst injury and property damage.

NOTICE:

NOTICE: Under certain conditions, with the charger plugged into the power supply, the charger can be shorted by foreign material. Foreign materials of a conductive nature, such as, but not limited to, grinding dust, metal chips, steel wool, aluminum foil or any buildup of metallic particles should be kept away from the charger cavities. Always unplug the charger from the power supply when there is no battery pack in the cavity. Unplug the charger before attempting to clean.

Charging a Battery (Fig. C)

  1. Plug the charger into an appropriate outlet before inserting battery pack.

ENGLISH

DEWALT DCHT820 - ENGLISH - 1

text_image Fig. C 8 7
  1. Insert the battery pack 7 into the charger, making sure the battery pack is fully seated in the charger. The red (charging) light will blink continuously indicating that the charging process has started.
  2. The completion of charge will be indicated by the red light remaining ON continuously. The battery pack is fully charged and may be used at this time or left in the charger. To remove the battery pack from the charger, push the battery release button 8 on the battery pack and then slide the battery pack out of the charger.

NOTE: To ensure maximum performance and life of lithium-ion battery packs, charge the battery pack fully before first use.

Charger Operation

Refer to the indicators below for the charge status of the battery pack.

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

DEWALT DCHT820 - Charger Operation - 1

text_image Charging Fully Charged Hot/Cold Pack Delay*

* DCB107, DCB112, DCB113, DCB115, DCB118, DCB132:

The red light will continue to blink, but a yellow indicator light will be illuminated during this operation. Once the battery pack has reached an appropriate temperature, the yellow light will turn off and the charger will resume the charging procedure.

The compatible charger(s) will not charge a faulty battery pack. The charger will indicate faulty battery pack by refusing to light.

NOTE: This could also mean a problem with a charger.

If the charger indicates a problem, take the charger and battery pack to be tested at an authorized service center.

Hot/Cold Pack Delay

When the charger detects a battery pack that is too hot or too cold, it automatically starts a Hot/Cold Pack Delay, suspending charging until the battery pack has reached an appropriate temperature. The charger then automatically switches to the pack charging mode. This feature ensures maximum battery pack life.

A cold battery pack will charge at a slower rate than a warm battery pack. The battery pack will charge at that slower rate throughout the entire charging cycle and will not return to maximum charge rate even if the battery pack warms.

The DCB118 charger is equipped with an internal fan designed to cool the battery pack. The fan will turn on automatically when the battery pack needs to be cooled.

Never operate the charger if the fan does not operate properly or if ventilation slots are blocked. Do not permit foreign objects to enter the interior of the charger.

Electronic Protection System

Li-Ion tools are designed with an Electronic Protection System that will protect the battery pack against overloading, overheating or deep discharge.

The tool will automatically turn off if the Electronic Protection System engages. If this occurs, place the lithium-ion battery pack on the charger until it is fully charged.

Wall Mounting

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

These chargers are designed to be wall mountable or to sit upright on a table or work surface. If wall mounting, locate the charger within reach of an electrical outlet, and away from a corner or other obstructions which may impede air flow. Use the back of the charger as a template for the location of the mounting screws on the wall. Mount the charger securely using drywall screws (purchased separately) at least 1" (25.4 mm) long, with a screw head diameter of 0.28–0.35" (7–9 mm), screwed into wood to an optimal depth leaving approximately 7/32" (5.5 mm) of the screw exposed. Align the slots on the back of the charger with the exposed screws and fully engage them in the slots.

Charger Cleaning Instructions

WARNING: Shock hazard. Disconnect the charger from the AC outlet before cleaning. Dirt and grease may be removed from the exterior of the charger using a cloth or soft non-metallic brush. Do not use water or any cleaning solutions.

Important Charging Notes

  1. Longest life and best performance can be obtained if the battery pack is charged when the air temperature is between 65 °F and 75 °F (18 ° – 24 °C). DO NOT charge the battery pack below +40 °F (+4.5 °C), or above +104 °F (+40 °C). This is important and will prevent serious damage to the battery pack.
  2. The charger and battery pack may become warm to the touch while charging. This is a normal condition, and does not indicate a problem. To facilitate the cooling of the battery pack after use, avoid placing the charger or battery pack in a warm environment such as in a metal shed or an uninsulated trailer.
  3. If the battery pack does not charge properly: a. Check operation of receptacle by plugging in a lamp or other appliance;

ENGLISH

b. Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights;

c. Move the charger and battery pack to a location where the surrounding air temperature is approximately 65^ F – 75^ F ( 18^ – 24^ C);

d. If charging problems persist, take the tool, battery pack and charger to your local service center.

  1. The battery pack should be recharged when it fails to produce sufficient power on jobs which were easily done previously. DO NOT CONTINUE to use under these conditions. Follow the charging procedure. You may also charge a partially used pack whenever you desire with no adverse effect on the battery pack.

  2. Foreign materials of a conductive nature such as, but not limited to, grinding dust, metal chips, steel wool, aluminum foil, or any buildup of metallic particles should be kept away from charger cavities. Always unplug the charger from the power supply when there is no battery pack in the cavity. Unplug the charger before attempting to clean.

  3. Do not freeze or immerse the charger in water or any other liquid.

Storage Recommendations

  1. The best storage place is one that is cool and dry, away from direct sunlight and excess heat or cold.

  2. For long storage, it is recommended to store a fully charged battery pack in a cool dry place out of the charger for optimal results.

NOTE: Battery packs should not be stored completely depleted of charge. The battery pack will need to be recharged before use.

SAVE THESE INSTRUCTIONS FOR FUTURE USE

OPERATION

WARNING: Before removing or installing battery, make certain the lock-off lever is engaged to prevent switch actuation.

Installing and Removing the Battery Pack (Fig. D)

NOTE: For best results, make sure your battery pack is fully charged.

To install the battery pack 7 into the tool handle, align the battery pack with the rails inside the tool's handle and slide it into the handle until the battery pack is firmly seated in the tool and ensure that it does not disengage.

To remove the battery pack from the tool, press the release button 8 and firmly pull the battery pack out of the tool handle. Insert it into the charger as described in the charger section of this manual.

DEWALT DCHT820 - Installing and Removing the Battery Pack (Fig. D) - 1

text_image Fig. D 8 7

Switch (Fig. E)

To turn the unit on, push the lock-off switch 2 forward as shown in Figure E, and squeeze the trigger switch 1. Once the unit is running, you may release the lock off switch. In order to keep the unit running you must continue to squeeze the trigger. To turn the unit off, fully release the trigger and allow the lock-off switch 2 to engage.

DEWALT DCHT820 - Switch (Fig. E) - 1

text_image Fig. E 1 2

WARNING: Never attempt to lock a switch in the ON position.

CAUTION: Do not cut stems greater than 3/4 inch (19 mm). Use the trimmer only for cutting normal shrubbery around houses and buildings.

Trimming Instructions

WORKING POSITION (Fig. F)

Maintain proper footing and balance and do not overreach. Wear safety goggles, non-skid footwear when trimming. Hold the unit firmly in both hands and turn the unit on. Always hold the trimmer as shown in Figure F, with one hand on the switch handle 3 and one hand on the bail handle 5. Never hold the unit by the blade guard 4.

Fig. F
DEWALT DCHT820 - WORKING POSITION (Fig. F) - 1

text_image 4 5 3

TRIMMING NEW GROWTH (Fig. G)

Using a wide, sweeping motion, feeding the blade teeth through the twigs, is most effective. A slight downward tilt of the blade in the direction of motion gives the best cutting.

Fig. G
DEWALT DCHT820 - TRIMMING NEW GROWTH (Fig. G) - 1

text_image 0-15

LEVEL HEDGES (Fig. H)

To obtain exceptionally level hedges a piece of string can be stretched along the length of the hedge as a guide.

Fig. H
DEWALT DCHT820 - LEVEL HEDGES (Fig. H) - 1

natural_image Illustration of a hand using a power tool to cut a blade over leafy ground (no text or symbols)

SIDE TRIMMING HEDGES (Fig. I)

Orient the trimmer as shown and begin at the bottom and sweep up.

Fig.1
DEWALT DCHT820 - SIDE TRIMMING HEDGES (Fig. I) - 1

natural_image Illustration of a hand using a tool to cut a leafy plant with an arrow indicating rotation (no text or symbols present)

DEWALT DCHT820 - SIDE TRIMMING HEDGES (Fig. I) - 2

KEEP HANDS AWAY

FROM BLADES.

DEWALT DCHT820 - SIDE TRIMMING HEDGES (Fig. I) - 3

To guard against injury,

observe the following:

  • READ INSTRUCTION MANUAL BEFORE USING. SAVE INSTRUCTION MANUAL.
  • Check the hedge for foreign objects such as wires or fences before each use.
  • KEEP HANDS ON HANDLES. DON'T OVERREACH.
    • DO NOT USE UNDER WET CONDITIONS.

DEWALT DCHT820 - SIDE TRIMMING HEDGES (Fig. I) - 4

BLADE MAY COAST AFTER

TURN OFF.

MAINTENANCE

DEWALT DCHT820 - MAINTENANCE - 1

Remove battery pack before

servicing, cleaning or removing material from the hedge trimmer.

Your DEWALT tool has been designed to operate over a long period of time with minimum maintenance.

Continuous satisfactory operation depends on proper tool care and regular cleaning.

DEWALT DCHT820 - MAINTENANCE - 2

Before performing any

maintenance, switch off tool and remove battery.

Lubrication

  1. After use, carefully clean the blades with a resin solvent.
  2. After cleaning, apply a light film of lubrication to the exposed blade.
  3. Insert the battery and turn the trimmer vertical with the blades toward the ground and run the trimmer for a few seconds to fully disperse the lubrication.

The cutting blades are made from high quality, hardened steel and with normal usage, they will not require resharpening. However, if you accidentally hit a wire fence, stones, glass, or other hard objects, you may put a nick in the blade. There is no need to remove this nick as long as

English

it does not interfere with the movement of the blade. If it does interfere, remove the battery and use a fine toothed file or sharpening stone to remove the nick. If you drop the trimmer, carefully inspect it for damage. If the blade is bent, housing cracked, handles broken or if you see any other condition that may affect the trimmer's operation contact your local DEWALT authorized service center for repairs before putting it back into use.

Fertilizers and other garden chemicals contain agents which greatly accelerate the corrosion of metals. Do not store the unit on or adjacent to fertilizers or chemicals.

With the battery removed, use only mild soap and a damp cloth to clean the unit. Never let any liquid get inside the unit; never immerse any part of the unit into a liquid.

Prevent the blades from rusting by applying a film of light machine oil after cleaning.

Accessories

WARNING: DO NOT use the hedge trimmer with any type of accessory or attachment. Such usage might be hazardous.

Repairs

The charger and battery pack are not serviceable. There are no serviceable parts inside the charger or battery pack.

To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustments (including brush inspection and replacement) should be performed by a DEWALT factory service center, a DEWALT authorized service center or other qualified service personnel. Always use identical replacement parts.

Register Online

Thank you for your purchase. Register your product now for:

  • WARRAnTY sERViCE: Registering your product will help you obtain more efficient warranty service in case there is a problem with your product.
  • COnFiRMATiOn OF OWnERshiP: In case of an insurance loss, such as fire, flood or theft, your registration of ownership will serve as your proof of purchase.
  • FOR YOUR SAFETY: Registering your product will allow us to contact you in the unlikely event a safety notification is required under the Federal Consumer Safety Act.

Register online at www.DEWALT.com/register.

Three Year Limited Warranty

DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit www.DEWALT.com or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal

rights and you may have other rights which vary in certain states or provinces.

In addition to the warranty, DEWALT tools are covered by our:

3 YEAR FREE SERVICE

DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

DEWALT BATTERY PACKS

Product warranty voided if the battery pack is tampered with in any way. DEWALT is not responsible for any injury caused by tampering and may prosecute warranty fraud to the fullest extent permitted by law.

90 DAY MONEY BACK GUARANTEE

If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund – no questions asked.

Latin America: This warranty does not apply to products sold in Latin America. For products sold in Latin America, see country specific warranty information contained in the packaging, call the local company or see website for warranty information.

FREE WARning IABEL REPIACEMENT: If your warning labels become illegible or are missing, call 1-800-4-DEWALT (1-800-433-9258) for a free replacement.

TROUBLESHOOTING

Problem Solution
Unit will not start. · Check battery installation. · Check battery charging requirements. · Check that lock off is fully pushed down prior to moving main trigger.
Battery won’t charge.· Insert battery into charger until red charging light illuminates. Charge up to 8 hours if battery is totally drained. · Plug charger into a working outlet. Refer to Important Charging Notes for more details. · Check current at receptacle by plugging an appliance. · Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights. · Move charger and appliance to a surrounding air temperature of above 40 °F (4.5 °C) or below 105 °F (40.5 °C).
Slow running, noisy, or hot blades.· Inspect for nicks and remove if possible. · Lubricate blades. · Bring to a D EWALT factory service center to straighten blade, blade support, or teeth. · Tighten bolts on the blade.

fabrication classe II (double isolation)

.../min......parminute

RPM......révolutionspar minute

USE: 120 Wh Shipping: 3 x 40 Wh

* DCB107, DCB112, DCB113, DCB115, DCB118, DCB132:

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

natural_image Illustration of a hand using a tool to cut a plant stem with leaves, no text or symbols present

COUPE LATÉRALE DES HAIES (Fig. I)

natural_image Illustration of a hand using a tool to trim leafy plants with an arrow indicating rotation (no text or symbols)

DEWALT DCHT820 - COUPE LATÉRALE DES HAIES (Fig. I) - 1

NGER

TENIR LES MAINS ÉLOIGNÉES

DES LAMES.

AVERTISSEMENT :

pour éviter

USE: 120 Wh Shipping: 3 x 40 Wh

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

DEWALT DCHT820 - AVERTISSEMENT : - 1

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

natural_image Illustration of a hand using a tool to cut a diagonal measuring tool over a pile of leaves (no text or symbols)

CORTE LATERAL DE SETOS (Fig. I)

natural_image Illustration of a hand using a tool to trim leafy plants, with an arrow indicating rotation (no text or symbols)

PELIGRO: MANTENGA LAS MANOS LEJOS DE LAS HOJAS.

Eje Central Lázaro Cárdenas No. 18 - Local (55) 5588 9377 D, Col. Obrera

MERIDA, YUC

Calle 63 #459-A - Col. Centro (999) 928 5038

MONTERREY, N.L.

Av. Francisco I. Madero 831 Poniente - Col. (818) 375 23 13 Centro

PUEBLA, PUE

17 Norte #205 - Col. Centro (222) 246 3714

QUERETARO, QRO

Av. San Roque 274 - Col. San Gregorio (442) 2 17 63 14

SAN LUIS POTOSI, SLP

* Maximum initial battery voltage (measured without a workload) is 12, 20 or 60 volts. Nominal voltage is 10.8, 18 or 54.

NOTE: The Bluetooth ^® word mark and logos are registered trademarks owned by the Bluetooth ^® , SIG, Inc. and any use of such marks by DEWALT is under license. Other trademarks and trade names are those of their respective owners.

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Product information

Brand : DEWALT

Model : DCHT820

Category : Hedge trimmers