Functional Description, Shaft lock | Makita BGA452, BGA450, BGA402

5.Do not short the battery cartridge:

(1)Do not touch the terminals with any conductive material.

(2)Avoid storing battery cartridge in a container with other metal objects such as nails, coins, etc.

(3)Do not expose battery cartridge to water or rain.

A battery short can cause a large current flow, overheating, possible burns and even a

FUNCTIONAL DESCRIPTION

CAUTION:

•Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool.

Installing or removing battery cartridge

breakdown.

6.	Do not store the tool and battery cartridge in
	locations where the temperature may reach or
	exceed 50 ﾟ C (122 ﾟ F).
7.	Do not incinerate the battery cartridge even if
	it is severely damaged or is completely worn
	out. The battery cartridge can explode in a fire.
8.	Be careful not to drop or strike battery.

1.Button

2.Red part

3.Battery cartridge

9. Do not use a damaged battery.

SAVE THESE INSTRUCTIONS.

Tips for maintaining maximum battery life

1.Charge the battery cartridge before completely discharged.

Always stop tool operation and charge the battery cartridge when you notice less tool power.

2.Never recharge a fully charged battery cartridge.

Overcharging shortens the battery service life.

3.Charge the battery cartridge with room temperature at 10 ﾟ C - 40 ﾟ C (50 ﾟ F - 104 ﾟ F). Let a hot battery cartridge cool down before charging it.

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•Always switch off the tool before insertion or removal of the battery cartridge.

•To remove the battery cartridge, withdraw it from the tool while sliding the button on the front of the cartridge.

•To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Always insert it all the way until it locks in place with a little click. If you can see the red part on the upper side of the button, it is not locked completely. Insert it fully until the red part cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone around you.

•Do not use force when inserting the battery cartridge. If the cartridge does not slide in easily, it is not being inserted correctly.

Shaft lock

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1. Shaft lock

CAUTION:

•Never actuate the shaft lock when the spindle is moving. The tool may be damaged.

Press the shaft lock to prevent spindle rotation when installing or removing accessories.

BGA452, BGA450, BGA402 specifications

The Makita BGA402, BGA450, and BGA452 are a trio of powerful cordless angle grinders designed for both professional tradespeople and DIY enthusiasts. These models offer a blend of performance and versatility that caters to a wide range of applications, including cutting, grinding, and polishing. Each model comes with a unique set of features and technologies that enhance user experience and efficiency.

The BGA402 is powered by a robust 18V lithium-ion battery, providing the endurance required for demanding tasks. It boasts a compact design, making it easy to maneuver in tight spaces. One of its standout features is the electronic brake that halts the rotation of the wheel within seconds of releasing the trigger, significantly improving safety. Additionally, its rubberized grip offers comfort during extended use, reducing fatigue. This model also features a spindle lock for easy wheel changes, saving valuable time on the job site.

The BGA450 takes it a step further with its increased power and performance. With a no-load speed of 10,000 RPM, it is ideal for heavy-duty applications. This model incorporates Makita's Anti-Restart Function, which prevents accidental start-up after a power interruption, providing added safety. The BGA450 also features a tool-less wheel guard adjustment, allowing users to quickly adapt the guard position based on their task. Its lightweight design contributes to user-friendly operation, ensuring that professionals can work efficiently without strain.

On the other hand, the BGA452 combines the best attributes of its predecessors while introducing enhanced runtime and efficiency. Equipped with a more efficient brushless motor, this model delivers longer use between charges, ideal for high-demand projects. The onboard LED indicator helps keep track of battery status, ensuring users can plan their work without unexpected interruptions. With a two-position side handle, the BGA452 offers versatility for left and right-handed users, maximizing comfort and control during operation.

In summary, Makita's BGA402, BGA450, and BGA452 angle grinders are engineered to provide superior performance, safety, and ease of use. Their innovative technologies, such as electronic brakes, anti-restart functions, and lightweight designs, position them as top choices in the cordless grinder market. Whether for professional use or personal projects, these models deliver the power and efficiency that users demand, making them valuable tools in any toolkit.