DeWALT DCV581H Cordless Corded Wet Dry Vacuum Instruction Manual

June 13, 2024
Dewalt

DeWALT DCV581H Cordless Corded Wet Dry Vacuum

Product Information

The product is the DEWALT DCV581H, a vacuum cleaner. It is designed to be used for cleaning purposes and has several features to ensure safety during operation. The vacuum includes a battery port, a vacuum hose, an on/off button, a tank latch, a filter, a side exhaust port, a hose clip, a crevice tool, a wide nozzle tool, and a cord wrap for easy storage.

Product Usage Instructions

Before using the DEWALT DCV581H vacuum cleaner, it is important to read and understand all safety warnings and instructions provided in the instruction manual. Failure to follow these warnings and instructions may result in electric shock, fire, and serious injury.

To reduce the risk of injury, follow these safety precautions:

  1. Read all instructions before using the vacuum cleaner.
  2. Do not expose the vacuum cleaner to rain. Store it indoors.
  3. When not in use, place the vacuum cleaner on a stable surface to prevent tripping or falling hazards.
  4. Always wear safety glasses and avoid using everyday eyeglasses as they are not sufficient for eye protection. Use a face or dust mask if the cutting operation is dusty.
  5. Wear certified safety equipment to protect yourself from potential hazards. The risk of exposure to harmful chemicals varies depending on the frequency of work. To minimize exposure, work in a well-ventilated area and use approved safety equipment like dust masks designed to filter microscopic particles.
  6. Use NIOSH/OSHA approved respiratory protection appropriate for dust exposure when using the vacuum cleaner, as it can generate and disperse dust that may cause respiratory or other injuries.
  7. Always wear proper personal hearing protection conforming to ANSI S12.6 (S3.19) standards during use, as prolonged exposure to noise from the product may contribute to hearing loss.
    For any questions or comments about the DEWALT DCV581H or any other DEWALT tools, you can contact DEWALT toll-free at 1-800-4-DEWALT (1-800-433-9258).

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.

PRODUCT OVERVIEW

DeWALT-DCV581H-Cordless-Corded-Wet-Dry-Vacuum-FIG-2

  1. Battery port
  2. Vacuum hose
  3. On/off button
  4. Tank latch
  5. Filter (Fig. F)
  6. Side exhaust port
  7. Hose clip
  8. Crevice tool
  9. Wide nozzle tool
  10. Cord Wrap

IMPORTANT SAFETY INSTRUCTIONS

WARNING: When using electric appliances, always follow basic safety precautions to reduce the risk of fire, electric shock and personal injury, including the following:

To Reduce Risk of Injury

  •  Before any use, be sure everyone using this vacuum reads and understands all safety instructions and other information contained in this manual.

  • Save these instructions and review frequently prior to use and in instructing others.

  • Instructions for compatible batteries and chargers are included for reference in this manual. Read all instruction manuals included with your battery or charger. Read all cautionary markings on the charger and battery. Consult the chart at the end of this manual for compatibility of chargers and battery packs.
    When using this vacuum, basic safety precautions should always be followed including the following:
    READ ALL INSTRUCTIONS BEFORE USING VACUUM

  • WARNING: To reduce the risk of electric shock. Do not expose to rain. Store indoors.

    • Do not leave vacuum when connected to power source. Unplug from outlet and remove battery when not in use and before servicing.
    • Do not allow vacuum to be used as a toy. Close attention is necessary when used by or near children.
    • Use this appliance ONLY as described in the manual. Use only DeWALT recommended attachments.
    • Do not use this appliance with a damaged cord or plug. If the appliance is not working correctly, has been dropped, damaged, left outdoors, or dropped in water, return it to a service center.
    • Do not pull or carry by cord, use cord as a handle, close a door on cord, or pull cord around sharp edges or corners. Keep cord away from heated surfaces.
    • Do not unplug this appliance by pulling on the cord. To unplug, grasp the plug, not the cord.
    • Do not handle plug or appliance with wet hands.
    • Do not put any objects into the openings of the appliance. Do not use the appliance with any opening blocked; keep free of dust, lint, hair and anything else that may reduce air flow.
    • Keep hair, loose clothing, fingers, and all body parts away from the openings and moving parts.
    • Do not place outlet of vacuum near eyes or ears when operating.
    • The blower operation can result in foreign objects being blown into eyes, which can result in eye damage. Always wear safety goggles when using blower feature.
    • Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions.
    • Use extra care when cleaning on stairs.
    • Do not use without filter in place.
    • Do not use the appliance to pick up flammable or combustible liquids, such as gasoline, or use in areas where flammable or combustible liquids are present.
    • Do not pick up anything that is burning or smoking, such as cigarettes, matches or hot ashes.
    • Do not use in areas where explosive vapors may be present.
    • Do not use to pick up explosive dust, or in areas where air contains explosive dust such as coal, grain, or other combustible material.
    • Static shocks are possible in dry areas or when the relative humidity of the air is low. This is only temporary and does not affect the use of the vacuum. To reduce the frequency of static shocks, add moisture to the air with a console or installed humidifier.
    • To avoid spontaneous combustion, empty canister after each use.
    • Store idle tools. When not in use, the vacuum should be stored in a dry, high or locked up place – out of the reach of children.
    • Disconnect battery pack from vacuum and unplug vacuum from the power supply before making any adjustments, changing accessories, servicing, moving or storing the vacuum. Such preventative safety measures reduce the risk of starting the appliance accidentally.
    • Avoid accidental starting. Be sure the switch is in the offposition before inserting the battery pack or plugging the vacuum into a wall outlet.
    • Never leave vacuum running unattended. Turn power off.
    • Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.
    • Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded.
    • Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the vacuum in unexpected situations.
    • Do not use appliance if switch does not turn it on or off. Any appliance that cannot be controlled with the switch is dangerous and must be repaired.
    • Turn off all controls before removing the battery or unplugging.
    • This appliance is provided with double insulation. Use only identical replacement parts. Refer to instructions for Servicing of Double-Insulated Appliances.

Additional Safety Information

  • WARNING: When not in use, place vacuum on a stable surface where it will not cause a tripping or falling hazard.

    • Do not use vacuum as a step ladder.
    • Do not place heavy objects on vacuum.
  • 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 power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

    • lead from lead-based paints,
    • crystalline silica from bricks and cement and other masonry products, and
    • arsenic and chromium from chemicallytreated lumber. 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.
    • Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and other construction activities. 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.
    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:

DeWALT-DCV581H-Cordless-Corded-Wet-Dry-Vacuum-FIG-3 DeWALT-DCV581H-Cordless-Corded-Wet-Dry-Vacuum-
FIG-4

Double Insulation
Double insulated vacuums are constructed throughout with two separate layers of electrical insulation or one double thickness of insulation between you and the vacuum’s electrical system. Vacuums built with this insulation system are not intended to be grounded. As a result, your vacuum is equipped with a two prong plug which permits you to use extension cords without concern for maintaining a ground connection.
NOTE: Double insulation does not take the place of normal safety precautions when operating this vacuum. The insulation system is for added protection against injury resulting from a possible electrical insulation failure within the vacuum.

Servicing of Double-Insulated Appliances
Servicing a double-insulated appliance requires extreme care and knowledge of the system, and should be done only by qualified service personnel. Replacement parts for a double-insulated appliance must be identical to the parts they replace.

Polarized Plugs
Polarized plugs (one blade is wider than the other) are used on equipment to reduce the risk of electric shock. When provided, this plug will fit in the polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not change the plug in any way.

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.

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, immedicately 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 circuits. 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”.
    USE: 120 Wh Shipping: 3 x 40 Wh
    Example of Use and Shipping Label Marking
    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:

  • 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.

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 lithiumion 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.
  • 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.

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 **

DeWALT-DCV581H-Cordless-Corded-Wet-Dry-Vacuum-FIG-8

**

  • WARNING: If the plug or power cord is damaged, it must be replaced by the manufacturer or its representative or by an equally qualified person to avoid danger.
    • 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.
  • CAUTION: Burn hazard. To reduce the risk of injury, charge only DeWALT rechargeable battery packs. Other types of batteries may overheat and burst resulting in personal injury and property damage.
  • 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

  1. Plug the charger into an appropriate outlet before inserting battery pack.
  2. Insert the battery pack 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.
  3. 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 on the battery pack and then slide the battery pack out of the charger.
    NOTE: To ensure maximum performance and life of lithiumion 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.

DeWALT-DCV581H-Cordless-Corded-Wet-Dry-Vacuum-FIG-9

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 lithiumion 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 tosit 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:
    • Check operation of receptacle by plugging in a lamp or other appliance;
    • Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights;
    • Move the charger and battery pack to a location where the surrounding air temperature is approximately 65 °F–75 °F (18 ° –24 °C);
    • If charging problems persist, take the tool, battery pack and charger to your local service center.
  4. 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 alsocharge a partially used pack whenever you desire with no adverse effect on the battery pack.
  5. 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.
  6. 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

Intended Use

  • The vacuum is designed to operate only on a DeWALT 20V Max* Li-Ion battery pack, or a 120V AC input. Battery pack and charger are sold separately. The vacuum will automatically switch between AC and DC modes.
    NOTE: The 120V AC power input is only designed to power the operation of the vacuum and will not charge an installed battery pack.

  • The vacuum is designed to perform as a wet/dry unit with no component changes required when changing from wet to dry, or dry to wet pick up. This vacuum is for household use.

  • This product is NOT to be used for filtering of pathogens, for example Covid-19. Follow all local, state, and federal guidance on general cleaning practices.

  • It is recommended that the tank be emptied of any dry contents prior to being used for wet pick up to facilitate tank cleaning.

  • DO NOT use under wet conditions or in presence of flammable liquids or gases.

  • DO NOT let children come into contact with the tool.

  • Supervision is required when inexperienced operators use this tool.

OPERATION

WARNING: To reduce the risk of serious personal injury, turn unit off and remove the battery pack before making any adjustments or removing/ installing attachments or accessories. An accidental start-up can cause injury.

Installing and Removing the Battery Pack (Fig. C)
NOTE: Make sure your battery pack is fully charged.

  • To install the battery pack into the vaccum, slide battery into battery port 1 . Make sure the battery pack is fully seated.

  • To remove the battery pack from the vacuum, press and hold the battery release on the battery pack and remove battery. To charge battery, insert it into your DeWALT charger.

Using the Appliance (Fig. A, D)

  1. Attach the appropriate accessory to the hose 2 .
  2. Insert DeWALT battery pack or plug into a 120V wall outlet.
  3. To turn machine on, press the I/O (on/off) button 3 .
Vacuum Cleaning

To Empty Tank (Fig. E)
The sound of the motor changes and suction is reduced when the tank is full.

  1. Turn machine off. Unplug it from any power source, and remove the battery pack.

  2. Unlatch tank latches 4 and remove power head from the tank.

  3. Empty contents of tank into suitable container.

  4. Clean or change filter 5 . See Filter section of this manual.

  5. Inspect machine for damage by foreign objects. Contact the nearest DeWALT authorized service center for replacement of damaged or missing parts.

  6. Replace power head onto the tank and latch securely.
    NOTE: The machine must be used in the upright position at all times to prevent unwanted actuation of the Automatic Vacuum Shutoff. If unwanted actuation should happen, turn off the motor and wait until the motor stops turning. Turn the motor on again and suction will be restored.

Filter

Filter Care (Fig. F)
The HEPA wet/dry filter 5 included with this vacuum is a long life filter. To be effective in minimizing dust recirculation the filters MUST be installed correctly and in good condition.
NOTE: Never operate without a filter in place. A clean filter is the most important factor in the operation and efficiency of any vacuum. If the filter becomes clogged beyond cleaning, damaged, or fails to operate properly, replace only with genuine DeWALT replacement filters.

To Clean or Change the Filter (Fig. E, F)

  1. Turn machine off. Unplug it from any power source, and remove the battery pack.

  2. Unlatch the tank latches 4 and remove the power head from the tank. Twist the filter 5 to the right to remove it from the power head.

  3. Clean the filter by shaking off excess dust, tapping into a waste receptacle, then rinsing under running water. Depending on the condition of the filter, a water wash is not always required. Do not use a brush to clean filter.

  4. Reinstall and secure the filter onto power head by twisting the filter to the left.

  5. Replace power head onto the tank and secure latches.

Blower (Fig. A)

The blower function can be used to remove debris from behind small spaces, to dry a damp floor, to blow grass clippings or leaves from an outside walk, patio, etc.

To Use as a Blower

  1. Empty the tank following the instructions under the Vacuum Cleaning section of this manual.
  2. Twist the vacuum hose 2 to remove.
  3. Insert the hose into the side exhaust port 6 and twist to secure.

MAINTENANCE

WARNING: To reduce the risk of serious personal injury, turn unit off and remove the battery pack before making any adjustments or removing/ installing attachments or accessories. An accidental start-up can cause injury.

  • Empty the vacuum often, especially when wet debris is in the canister.
  • MAINTAIN TOOL WITH CARE. Keep the side exhaust port clean and unblocked for best and safest performance.
  • Do not attempt to repair the vacuum. To assure product safety and reliability, repairs, maintenance, and adjustments should be performed by authorized DeWALT service centers.

Cord, Hose and Accessory Storage (Fig. A)
When the vacuum is not in use, the power cord should be secured around the vacuum handle underneath the cord wrap 10 . The vacuum hose can be wrapped around appliance, underneath the battery interface, and secured with the hose clip 7 also located at the back of the vacuum. The two accessories (crevice tool and wide nozzle) can be stored on board the vacuum as well.

Cleaning

  • WARNING: Blow dirt and dust out of all air vents with clean, dry air at least once a week. To minimize the risk of eye injury, always wear ANSI Z87.1 approved eye protection when performing this procedure.
  • WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic parts of the tool. These chemicals may weaken the plastic materials used in these parts. Use a cloth dampened only with water and mild soap. Never let any liquid get inside the tool; never immerse any part of the tool into a liquid.

Accessories
WARNING: Since accessories, other than those offered by DeWALT, have not been tested with this product, use of such accessories with this tool could be hazardous. To reduce the risk of injury, only DeWALT recommended accessories should be used with this product.

  • Recommended accessories for use with your tool are available at extra cost from your local dealer or authorized service center. If you need assistance in locating any accessory, please contact DeWALT Industrial Tool Co., 701 East Joppa Road, Towson, MD 21286, call 1-800-4-DeWALT (1-800-433-9258) or visit our website: www.dewalt.com.
  • The DCV581H includes a 1-1/4″ hose, crevice tool (stored in the handle) and wide nozzle.
  • A replacement filter is available at extra cost at your local DeWALT service center.

Dust Collector (Fig. G)

  • In the vacuum mode, the appliance can also function as a dust collector for power tool applications producing dust or debris.

  • Install the DWV9000 dust extraction adaptor, availiable at additional cost, to facilitate connection of a power tool to the vacuum hose 2 .

    1. Unscrew and remove the standard hose nozzle.
    2. Screw on the dust extraction adaptor to the hose.
    3. Attach the adaptor to the power tool.
  • NOTE: Follow these instructions in reverse to set up the appliance for standard vacuum use.

  • IMPORTANT! The DWV9000 dust extraction adaptor is designed to workwith Dust System Compatible DeWALT power tools. An additional adaptor will be necessary for use with incompatible DeWALT tools.

Repairs
The charger and battery pack are not serviceable.
WARNING: To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment (including brush inspection and replacement, when applicable) should be performed by a DeWALT factory service center or a DeWALT authorized service center. 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 LIMITED WARRANTY IS GIVEN IN LIEU OF ALL OTHERS, INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND EXCLUDES ALL INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so these limitations may not apply to you. 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:

  • 1 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.

  • 2 YEARS FREE SERVICE ON DEWALT BATTERY PACKS
    DC9096, DCB120, DCB122, DCB124, DCB127, DCB201, DCB203BT, DCB207, DCB240, DCB361

  • 3 YEARS FREE SERVICE ON DEWALT BATTERY PACKS
    DCB200, DCB203, DCB204, DCB204BT, DCB205, DCB205BT, DCB206, DCB230, DCB606, DCB609, DCB612
    NOTE: Battery 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 LABEL REPLACEMENT: If your warning labels become illegible or are missing, call 1-800-4-DeWALT (1-800-433-9258) for a free replacement.

Compatible battery packs and chargers

  • *20V Max Li‑Ion**

    • Battery Packs
      DCB200, DCB201, DCB203, DCB204, DCB204BT, DCB205, DCB205BT, DCB206, DCB208, DCB210, DCB230, DCB240, DCBP034

    • Chargers
      DCB103, DCB104, DCB107, DCB112, DCB113, DCB115, DCB118, DCB132, DCB1102, DCB1104, DCB1106, DCB1112

  • *60V Max Li‑Ion**

    • Battery Packs
      DCB606, DCB609, DCB612

    • Chargers
      DCB103, DCB104, DCB107, DCB112, DCB113, DCB115, DCB118, DCB1322, DCB1102, DCB1104, DCB1106, DCB1112
      Maximum initial battery voltage (measured without a workload) is 20, 60 or 120 volts. Nominal voltage is 18, 54 or 108. (120V Max is based on using 2 DeWALT 60V Max lithium-ion batteries combined.)
      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.
      WARNING: Use of any other battery packs may create a risk of injury and fire.

References

Read User Manual Online (PDF format)

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