Milwaukee M12 FDGA Cordless Angled Die Grinder

Product Overview

The Milwaukee M12 FDGA is a cordless angled die grinder designed for heavy-duty applications. It offers variable speed control for precision work and is part of the M12 FUEL™ system.

Device Description

• Collet/Nut (1): Secures the accessory.
• Mode Selector (2): Allows selection of operating speed.
• Fuel Gauge (3): Indicates remaining battery charge.
• Handle - Insulated Gripping Surface (4): For safe and comfortable handling.
• LED Light (5): Illuminates the work area.
• Switch Lock-Off (6): Prevents accidental starting.
• Paddle Switch (7): Controls tool operation (start/stop).
• Battery (8): Power source for the tool.

Safety Warnings

General Safety Warnings

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

• Always wear safety goggles [safety goggles].
• Wear gloves [gloves] when appropriate.
• Wear a suitable dust protection mask [dust mask].
• Keep ventilation slots clear.
• Use only Milwaukee accessories and spare parts.
• Do not operate near flammable materials.
• Do not use accessories requiring liquid coolants.
• Keep hands away from the grinding area.
• Never immerse the tool, battery pack, or charger in fluid.
• Do not use on asbestos-containing products.
• Ensure insertion tools are clamped at least 10 mm.
• Secure the workpiece if it is not heavy enough to be steady.
• Remove dust and debris from the collet body before inserting tools.
• Protect insertion tools from moisture, solvents, extreme temperature changes, dropping, and bumping.
• Discard damaged insertion tools.

Kickback and Related Warnings

Kickback is a sudden reaction to a pinched or snagged rotating accessory. To avoid kickback:

• Maintain a firm grip and position your body to resist forces.
• Use auxiliary handles if provided.
• Use special care on corners and sharp edges; avoid bouncing and snagging.
• Do not use toothed saw blades.
• Feed the bit into the material in the direction of chip exit.
• When using rotary files, cut-off wheels, or carbide cutters, clamp the workpiece securely.
• If a wheel binds, switch off the tool and wait for it to stop before removing.
• Support oversized workpieces.
• Use caution in blind areas to avoid cutting pipes or wiring.

Safety Warnings Specific for Sanding Operations

• Do not use excessively oversized sanding disc paper.

Safety Warnings Specific for Wire Brushing Operations

• Be aware that wire bristles can be thrown. Do not overstress wires.
• Allow brushes to run at operating speed for at least one minute before use.
• Direct the discharge of the spinning wire brush away from you.

Additional Safety and Working Instructions

• Grinding metal produces sparks; ensure no persons are endangered and keep combustible materials away.
• Avoid flying sparks and sanding dust.
• Use properly fitting and undamaged open-end spanners.
• Ensure insertion tools run concentrically; replace if out-of-round.
• Never reach into the danger area while the machine is running.
• Do not remove chips or splinters while the machine is running.
• Immediately switch off the machine if significant vibrations or malfunctions occur.
• Ensure the insertion tool comes to a complete stop before laying it down.

Operating Instructions

Collet Insertion

The tool accepts 6 mm and 8 mm collets. Ensure the insertion tool is clamped at least 10 mm into the collet.

Step 1: Ensure the collet nut is loosened. Insert the accessory into the collet. Tighten the collet nut securely using the provided wrenches (15 and 17).

Step 2: For 6 mm accessories, use the 6 mm collet. For 8 mm accessories, use the 8 mm collet. Ensure correct collet size is used.

Step 3: Verify the accessory is securely tightened and the length of insertion (L1) is at least 10 mm.

Battery Insertion and Removal

To Insert Battery: Align the battery pack with the tool's battery compartment and slide it in until it clicks securely [click].

To Remove Battery: Press the release button on the battery pack and pull the battery out.

Speed and Mode Selection

The M12 FDGA features four speed modes:

• Mode 1: 0-10,000 rpm
• Mode 2: 0-15,000 rpm
• Mode 3: 0-20,000 rpm
• Mode 4: 0-24,500 rpm

Use the mode selector (2) to choose the desired speed. The selected mode is indicated on the tool's dial.

Starting and Stopping the Tool

To Start: Ensure the switch lock-off (6) [unlock] is disengaged. Press the paddle switch (7).

To Stop: Release the paddle switch (7).

Battery Fuel Gauge

The fuel gauge (3) indicates the remaining battery charge with four lights:

• 100% / 75% / 50% / 25%: Indicates charge level.
• <10%: Battery is critically low and needs charging.
• Flashing Lights (alternating pattern): Indicates the battery is too hot. Allow it to cool down.

Load-Dependent Motor Protection

If the motor is overloaded, the overload protection will trip. To continue working, switch the machine off and then on again. If the battery becomes too hot, the fuel gauge lights will flash in an alternating pattern, and the tool will not run. Allow the battery to cool down.

Tips for Operation

? TIP: Ensure proper hand placement for control and stability during operation.

Technical Data

Maintenance

• Remove the battery pack before starting any work.
• Keep ventilation slots clear.
• Use only Milwaukee accessories and spare parts.
• Contact a Milwaukee service agent for component replacement.

Symbols

• ❗ [Warning/Danger Symbol]: Read instructions carefully.
• [Safety Goggles Symbol]: Always wear goggles.
• [Gloves Symbol]: Wear gloves.
• [Dust Mask Symbol]: Wear a suitable dust protection mask.
• [Accessory Symbol]: Accessory not included in standard equipment.
• [Rotation Direction Symbol]: Indicates direction of rotation.
• [Recycling Symbol]: Do not dispose of electric tools or batteries with household waste.
• n: Rated speed.
• V: Voltage.
• [CE Mark]: European Conformity.
• [UKCA Mark]: British Conformity.
• [EAC Mark]: Ukraine Conformity / EurAsian Conformity.

Declarations of Conformity

The product complies with relevant EU directives and harmonized standards, including EN 60745 series and EMC standards.

A GB Declaration of Conformity is also provided, meeting UK regulations.