Makita Angle Grinder - DGA504Z - 18V

Cutting, grinding, finishing, polishing. Whatever it is used for, an angle grinder is a highly ver...

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Product Information

Full details

This guide is for anyone using the Makita DGA504Z 18V Angle Grinder, a versatile tool for cutting, grinding, and polishing. It offers powerful performance with its brushless motor, constant speed control, and safety features. While it provides excellent performance, remember that this is a bare unit and requires a battery and charger. This guide will help you understand the features, use the grinder effectively, and troubleshoot common issues.

All features

Model Part NumberDGA504Z
BrandMakita

Extended Product Information

FAQs

What type of battery does the DGA504Z use?

The DGA504Z uses an 18V Makita battery. It is a bare unit and does not include a battery.

What is the maximum grinding disc diameter?

The maximum grinding disc diameter for the DGA504Z is 125mm.

Does the grinder have a soft start function?

Yes, the DGA504Z features a soft start function to reduce kickback.

What safety features does the DGA504Z have?

The grinder features an anti-restart function, soft start, and is designed with user safety in mind.

How do I change the grinding disc?

Refer to the user manual or the instructions provided with the grinding disc. Make sure the tool is unplugged or the battery is removed.

How do I maintain the grinder?

Clean the grinder regularly with a damp cloth. Check the grinding disc before each use. Store it in a dry place.

What is XPT?

XPT (Extreme Protection Technology) is designed to protect the grinder from dust and moisture, making it suitable for use in harsh environments.

Troubleshooting

Grinder won't start.

Check that the battery is properly inserted and charged. Ensure the switch is in the 'on' position. If using a corded model, check the power supply.

Grinder loses power under load.

Check the grinding disc for damage or wear. Reduce the load on the grinder. Ensure the battery is fully charged.

Excessive vibration.

Check that the grinding disc is properly installed and balanced. Examine the disc for damage or wear and replace it if necessary.

Sparks and smoke.

This may be normal depending on the material being cut/ground. If excessive, stop using the grinder and check the disc, motor and ventilation.

Pros and Cons

Pros

  • Powerful brushless motor for efficient performance.
  • Constant speed control maintains performance under load.
  • Multiple safety features, including anti-restart and soft start.
  • Durable design with Extreme Protection Technology (XPT) for tough conditions.
  • Comfortable to use with a soft grip and slide switch.

Cons

  • Requires a separate battery and charger (bare unit).
  • May require more frequent disc changes depending on the material.
  • Like all angle grinders, it can be dangerous if used improperly.
  • Can be heavy for extended overhead use.
  • Battery life is dependent on the battery used and the application.

Setup, Compatibility & Care

  1. Attaching the Disc: Ensure the grinder is unplugged or the battery is removed. Place the disc onto the spindle and secure it with the appropriate nut and wrench. Always use the correct disc type for the material you are working with.
  2. Battery and Charger: This is a bare unit, meaning it doesn't include a battery or charger. Ensure you have a compatible 18V Makita battery and charger.
  3. Safety Gear: Always wear safety glasses, gloves, and a dust mask or respirator when operating the grinder.
  4. Compatibility: Use only genuine Makita accessories and batteries to ensure optimal performance and safety.
  5. Care and Maintenance:
  • Clean the grinder regularly with a damp cloth.
  • Inspect the grinding disc before each use and replace if damaged.
  • Store the grinder in a dry place.
  • Avoid using excessive force.

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