Makita DMP181 Cordless Inflator

Specifications

Specifications are subject to change without notice due to continuous research and development. Specifications and battery cartridges may differ by country. Weight may vary depending on attachments, including the battery cartridge.

Applicable Battery Cartridge: BL1815N / BL1820B / BL1830B / BL1840B / BL1850B / BL1860B

Applicable Charger: DC18RC / DC18RD / DC18RE / DC18SD / DC18SE / DC18SF / DC18SH

WARNING: Only use the specified battery cartridges and chargers. Use of any other may cause injury and/or fire.

Intended Use

This tool is intended for inflating tires, sport balls, or small floating tubes.

Safety Warnings

General Power Tool Safety Warnings

Read all safety warnings, instructions, illustrations, and specifications. Failure to follow all instructions may result in electric shock, fire, and/or serious injury. Save all warnings and instructions for future reference.

• Work Area Safety: Keep the area clean and well-lit. Do not operate in explosive atmospheres. Keep children and bystanders away.
• Electrical Safety: Match plugs to outlets. Avoid body contact with earthed surfaces. Do not expose to rain or wet conditions. Do not abuse the cord. Use outdoor-suitable extension cords. Use GFCI protected supply in damp locations. Users with pacemakers should consult their doctor.
• Personal Safety: Stay alert and use common sense. Do not use when tired or under the influence. Use personal protective equipment, including eye protection (ANSI Z87.1 compliant in the USA). Prevent unintentional starting by ensuring the switch is off before connecting power or battery. Remove adjustment keys. Do not overreach; maintain proper footing and balance. Dress properly; avoid loose clothing or jewelry. Ensure dust extraction is used where provided. Do not become complacent; a careless action can cause severe injury.
• Power Tool Use and Care: Do not force the tool. Use the correct tool for the application. Do not use if the switch is faulty. Disconnect power/battery before adjustments or changing accessories. Store idle tools out of reach of children. Maintain tools and accessories; check for misalignment or breakage. Keep cutting tools sharp and clean. Use tools and accessories according to instructions and working conditions. Keep handles dry and clean. Do not wear cloth work gloves that may become entangled.
• Battery Tool Use and Care: Recharge only with the specified charger. Use only with designated battery packs. Keep battery away from metal objects when not in use. Avoid contact with ejected battery liquid; flush with water if contact occurs. Do not use damaged or modified batteries. Do not expose batteries to fire or excessive temperature (above 130°C). Follow charging instructions and temperature ranges. Have damaged battery packs serviced only by the manufacturer or authorized providers. Do not modify or attempt to repair the appliance or battery pack except as indicated.

Cordless Inflator Safety Warnings

• Connect air chuck, adapter, and valve tightly.
• Release air pressure slowly and hold components firmly when disconnecting.
• Do not inflate beyond the object's maximum pressure or the tool's maximum output pressure.
• Inflate only intended objects (tires, sport balls, small floating tubes).
• Check pressure gauge, tool/object status, and for air leaks during inflation.
• Hold the tool by the handle; do not pull the hose.
• Verify air pressure with reliable equipment after use; use the tool's gauge only as a reference.
• After 10 minutes of continuous use, stop for 5 minutes to cool down.
• Do not use on sand or dusty surfaces.
• Do not point the hose outlet at yourself or others, or at dust.
• Do not inflate large capacity objects, as the tool may become very hot.
• Do not touch hot metal parts immediately after use.
• Do not use with wet hands.
• Ensure the hose is not entangled.
• Never leave the tool unattended when the hose is attached or during operation.
• Do not use as a breathing device or to spray chemicals.
• Operate in an open area at least 50 cm (20") from walls or objects restricting airflow.
• Do not disassemble the tool.
• Use only standard Makita accessories.
• This tool is for household use only.
• Before inflating a tire, check for scratches or cracks. Do not stand in front of the tire sidewall while inflating.

Important Safety Instructions for Battery Cartridge

• Read all instructions and cautionary markings on the charger, battery, and product.
• Do not disassemble or tamper with the battery cartridge; this may result in fire, excessive heat, or explosion.
• Stop operating immediately if operating time becomes excessively shorter to prevent overheating, burns, or explosion.
• If electrolyte gets into eyes, rinse with clear water and seek medical attention.
• Do not short the battery cartridge terminals. Avoid storing with metal objects. Do not expose to water or rain. Shorting can cause current flow, overheating, burns, or breakdown.
• Do not store or use in temperatures below -20 °C (-4 °F) or above 50 °C (122 °F).
• Do not incinerate the battery cartridge, even if severely damaged; it can explode in fire.
• Do not nail, cut, crush, throw, drop, or hit the battery cartridge against hard objects.
• Do not use a damaged battery.
• Lithium-ion batteries are subject to Dangerous Goods Legislation for commercial transport; observe packaging and labeling requirements. Consult a hazardous materials expert for shipping.
• When disposing of the battery cartridge, remove it from the tool and dispose of it safely according to local regulations.
• Use batteries only with specified Makita products.
• Remove the battery from the tool if it is not used for a long period.
• Handle hot battery cartridges with care to avoid burns.
• Do not touch the tool terminal immediately after use as it may be hot.
• Keep chips, dust, or soil away from battery terminals, holes, and grooves.
• Do not use the battery cartridge near high-voltage electrical power lines unless the tool supports it.
• Keep the battery away from children.

CAUTION: Only use genuine Makita batteries. Use of non-genuine or altered batteries may result in bursting, fire, personal injury, and damage, and will void the Makita warranty.

Tips for Maintaining Maximum Battery Life

• Charge the battery before it is completely discharged. Stop operation and charge when tool power decreases.
• Never recharge a fully charged battery cartridge; overcharging shortens service life.
• Charge the battery cartridge at room temperature between 10 °C - 40 °C (50 °F - 104 °F). Let a hot battery cool down before charging.
• Remove the battery cartridge from the tool or charger when not in use.
• Charge the battery cartridge if it is not used for a long period (more than six months).

Functional Description

• Installing or Removing Battery Cartridge: To remove, slide the cartridge out while pressing the button on the front. To install, align the tongue with the groove and slide in until it clicks. Ensure the red indicator is not visible for a secure lock. Do not force installation.
• Indicating Remaining Battery Capacity: For batteries with an indicator, press the check button to display remaining capacity via indicator lamps. The first lamp blinking indicates the battery protection system is active.
• Tool / Battery Protection System: The tool automatically cuts off power to extend life under conditions of overload, overheat (lamp blinks, overheat warning icon displayed), or overdischarge (low battery capacity). Turn off and let cool for overheat; restart for overload; charge for overdischarge.
• Main Power Switch: Press to turn the tool on or off. The tool has an auto power-off function if the switch trigger is not pulled for a period after the main switch is turned on. Always turn off when not in use or when carrying.
• Switch Action: Pull the switch trigger to start the tool; release to stop. Do not tape the trigger in the ON position.
• Pressure Gauge: Displays current pressure value, target pressure value, pressure unit (PSI, BAR, KPA), inflation mode, and inflation progress. It shows "0" when no object is connected.
• Setting Target Pressure: Press the [M] button to select the pressure unit (PSI, BAR, KPA). Use [+] to increase and [-] to decrease the target pressure value (35 kPa to 1,100 kPa / 5 PSI to 160 PSI).
• Setting Inflation Mode: Press and hold the [M] button for 3 seconds to cycle through modes: Ball (35-110 kPa / 5-16 PSI), Low speed (35-1,100 kPa / 5-160 PSI), High speed (35-1,100 kPa / 5-160 PSI). Select Ball mode for balls and Low speed for English valves.
• Front Lamp: The lamp lights up when the tool is turned on and turns off when turned off. It blinks if the tool overheats. Clean the lens with a dry cloth.
• Storing Adapter: Adapters can be stored in the adapter holder. Insert the sport ball needle into the Presta valve adapter before storing.
• Storing Hose: The hose can be attached to the hose holder.
• Air Release Button: Press to release air if an object is overinflated. Note: Air does not release when the English valve adapter is attached.

Operation

• Using the Schrader Valve Adapter: Attach the air chuck to the valve stem. Turn on the tool, set the appropriate pressure, and pull the trigger until the tool stops.
• Using the Presta Valve Adapter: Loosen the locking nut on the valve stem. Attach the Presta valve adapter to the stem, then attach the air chuck. Turn on the tool, set pressure, and pull the trigger until the tool stops. Remove chuck/adapter and tighten the locking nut.
• Using the Sport Ball Needle: Attach the needle to the air chuck. Insert the needle into the ball. Turn on the tool, set Ball mode and appropriate pressure, and pull the trigger until the tool stops.
• Using the Tapered Adapter: Attach the adapter to the air chuck. Insert the adapter into the hole of the floating tube. Turn on the tool and inflate by pulling the trigger while checking the status of the tube. Do not rely on the pressure gauge for floating tubes at low pressures (<35 kPa / 5 PSI).
• Using the English Valve Adapter: Insert the adapter into the air chuck. Attach the adapter to the valve stem while opening the valve. Turn on the tool. Inflate by pulling the trigger while checking the tire's status. Note: The pressure gauge may not display accurate values for English valves; rely on checking the tire's condition. Adjust pressure and re-inflate if needed.

Maintenance

Ensure the tool is switched off and the battery cartridge is removed before inspection or maintenance. Never use gasoline, benzine, thinner, alcohol, or similar substances, as they can cause discoloration, deformation, or cracks. For safety and reliability, repairs and maintenance should be performed by authorized Makita Service Centers using only Makita replacement parts.

Makita Limited Warranty

Refer to the annexed warranty sheet or visit www.makitatools.com (USA), www.makita.ca (Canada), or www.makita.com (Other countries) for warranty terms.

Optional Accessories

Only use recommended accessories or attachments for your Makita tool. Consult your local Makita Service Center for details. Genuine Makita batteries and chargers are recommended.

California Proposition 65 Warning (USA only)

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. To reduce exposure, work in a well-ventilated area and use approved safety equipment, such as dust masks designed to filter microscopic particles.