This document is an operator's manual for the Milwaukee M12™ Palm Nailer, model number 2458-20. It provides essential information regarding the tool's function, technical specifications, usage, and maintenance.
Function Description:
The Milwaukee M12™ Palm Nailer (Cat. No. 2458-20) is a cordless power tool designed for driving nails. Its compact, palm-sized design allows for easy maneuverability and use in tight spaces where a traditional hammer or larger nail gun might be impractical. The tool operates by hammering action, driven by a battery-powered motor. It features a magnetic sleeve to hold the nail in place before driving and an anvil that impacts the nail head. The tool is intended for use with specific nail sizes and types, as detailed in the specifications.
Important Technical Specifications:
- Cat. No.: 2458-20
- Volts: 12 DC
- Battery Type: M12™
- Charger Type: M12™
- Blows per Minute (BPM): 2700
- Nail Capacity: 6d - 16d (common nail sizes, referring to pennyweight)
- Min. Head Size: 0.200" (This is a critical specification, as nails with smaller heads can cause jams.)
- Recommended Ambient Operating Temperature: 0°F to 125°F (for both operation and charging)
Usage Features:
The palm nailer incorporates several features to enhance usability and safety:
- Magnetic Sleeve (1): This component holds the nail securely before it is driven, allowing for one-handed operation and precise placement.
- Collet (2): The collet works in conjunction with the magnetic sleeve to guide and hold the nail during the hammering process.
- Trigger (3): The primary control for activating the hammering action.
- Trigger Lock (4): A safety mechanism that prevents unintentional starting. The trigger lock can be set to a locked position (displaying a lock symbol) when the tool is not in use or during storage, and unlocked (displaying an unlock symbol) for operation.
- Fuel Gauge (5): An LED indicator that displays the remaining battery charge. It lights up for 2-3 seconds when the tool is turned ON. It flashes 6 times and the tool will not run when the battery is at the end of its charge, signaling the need for recharging. If the battery becomes too hot, the fuel gauge will also flash 6 times, and the tool will shut down, requiring the user to allow the battery to cool.
- LED (6): Provides illumination of the work area, improving visibility in dimly lit conditions.
- Anvil (7): The part of the tool that directly impacts the nail head to drive it into the workpiece.
- Optional Handstrap: The manual describes how to attach an optional handstrap to the tool, which can enhance grip and control, especially during extended use or in awkward positions. The strap slides onto the tool from the back, with a ring strap towards the front, and is secured by pushing in the magnetic sleeve and sliding the ring over it.
- Operation Procedure:
- Insert a nail head into the magnetic sleeve. It is crucial to use nails with a head diameter greater than 0.200" and avoid nails with broken heads to prevent jams.
- Place the tip of the nail against the workpiece.
- Press the trigger button and apply pressure to start the hammering action.
- Continue hammering until the collet is flush against the workpiece and the nail is fully driven.
- Clearing Jams: The manual provides a clear procedure for clearing jams, which can occur with nails having very small heads (< 0.200" diameter) or broken heads. The steps involve:
- Removing the battery pack for safety.
- Using pliers to grasp and pull the nail free from the collet, possibly retracting the magnetic sleeve for better access.
- If the nail cannot be removed with pliers, unscrewing the collet to fully remove the jammed nail.
Maintenance Features:
Proper maintenance is crucial for the longevity and safe operation of the Milwaukee M12™ Palm Nailer.
- General Maintenance Program: Users are advised to adopt a regular maintenance program, inspecting the tool, battery pack, and charger for issues such as undue noise, misalignment or binding of moving parts, breakage, or any other condition that might affect operation.
- Service Facility: For repairs or if the tool does not operate at full power with a fully charged battery pack, it should be returned to a MILWAUKEE service facility. The manual recommends returning the tool, battery pack, and charger for inspection after six months to one year, depending on usage.
- Cleaning:
- Keep dust and debris away from vents to ensure proper airflow and prevent overheating.
- Keep handles clean, dry, and free of oil or grease for a secure grip.
- Use only mild soap and a damp cloth for cleaning.
- Warning: Avoid certain cleaning agents and solvents (e.g., gasoline, turpentine, lacquer thinner, paint thinner, chlorinated cleaning solvents, ammonia, and household detergents containing ammonia) as they can be harmful to plastics and other insulated parts of the tool. Never use flammable or combustible solvents around tools.
- Warning: Never immerse the tool, battery pack, or charger in liquid, or allow liquid to flow inside them, to prevent personal injury and damage.
- Battery Pack Service: Service of damaged battery packs should only be performed by the manufacturer or authorized service providers.
- Labels and Nameplates: Users are instructed to maintain labels and nameplates, ensuring they are readable and present, as they carry important information. Replacements can be obtained from a MILWAUKEE service facility if they become unreadable or missing.
Safety Warnings:
The manual emphasizes several general power tool safety warnings, including:
- Work Area Safety: Keep the work area clean, well-lit, and free from children and bystanders. Avoid operating in explosive atmospheres.
- Electrical Safety: Ensure power tool plugs match outlets, avoid body contact with earthed surfaces, and do not expose power tools to rain or wet conditions. Use GFCI-protected supply in damp locations.
- Personal Safety: Stay alert, wear eye protection, use personal protective equipment, and prevent unintentional starting.
- Power Tool Use and Care: Do not force the tool, do not use if the switch is faulty, disconnect power before adjustments, store idle tools out of reach of children, and maintain tools and accessories properly.
- Battery Tool Use and Care: Recharge only with the specified charger, use only designated battery packs, and keep battery packs away from other metal objects to prevent shorting. Avoid abusive conditions that could lead to liquid ejection from the battery. Do not expose battery packs to fire or excessive temperature.
- Specific Safety Rules for Palm Nailer: Wear ear protectors, hold the tool by insulated gripping surfaces, keep hands away from moving parts and fasteners, and ensure the collet and magnetic sleeve are operating properly.
- Dust Warning: A critical warning about dust created by power sanding, sawing, grinding, drilling, and other construction activities, which may contain chemicals known to cause cancer, birth defects, or other reproductive harm. Users are advised to work in well-ventilated areas and use approved safety equipment, such as dust masks, to reduce exposure.
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