Makita DGA900 is a high-powered 230mm (9") cordless angle grinder powered by two 18V Li-ion batter...Makita DGA900 is a high-powered 230mm (9") cordless angle grinder powered by two 18V Li-ion batteries in series. The 36v DC brushless motor delivers more power and run time without leaving the 18v Lithium-ion platform. This grinder has a current limiter for overload protection, soft start for gradual power-up, and an anti-restart function to prevent accidental starting. An electric brake reduces the chance of unexpected lock-up, enhancing safety. Active Feedback Technology (AFT) automatically adjusts cutting speed based on load conditions and shuts down the tool if rotation speed suddenly slows. It also features an ergonomically designed handle with a soft grip, a battery guard, a large switch lever with a lock-off function, and battery indicators for over-discharge and overheating protection.
This guide is for users of the Makita DGA900Z angle grinder, a powerful cordless tool designed for demanding grinding and cutting tasks. Benefit from its high power and extended runtime, thanks to its dual 18V battery system and brushless motor. Be aware that this grinder uses a unique battery configuration and requires two 18V Makita batteries.
All features
Model Part Number
DGA900Z
Brand
Makita
Extended Product Information
FAQs
What type of batteries does the Makita DGA900Z use?
The Makita DGA900Z uses two 18V Makita Li-ion batteries.
Can I use other brands of batteries?
No, the tool is only compatible with Makita 18V Li-ion batteries.
What safety features does the DGA900Z have?
The DGA900Z has a current limiter, soft start, anti-restart function, an electric brake, and Active Feedback Technology (AFT).
How do I install a grinding disc?
Refer to the user manual for detailed instructions on disc installation.
How do I maintain the tool?
Clean the tool with a dry or slightly damp cloth. Regularly inspect for wear and tear.
What should I do if the tool stops unexpectedly?
The AFT system may have been triggered. Reduce the load on the tool or allow it to cool down.
Is there a warranty?
Refer to the product documentation or contact your retailer for warranty information.
Troubleshooting
The tool does not turn on.
Check that both batteries are fully charged and correctly inserted. Verify the switch lever is in the on position.
The tool stops unexpectedly during operation.
The AFT system may have been triggered. Reduce the load on the tool or allow it to cool down.
The tool is vibrating excessively.
Check that the disc is properly installed and not damaged. Replace the disc if necessary.
Batteries are not charging.
Ensure the charger is plugged in and functioning correctly. Try different batteries to identify if the issue is with a specific battery.
Pros and Cons
Pros
High power output for demanding applications.
Cordless design for enhanced mobility and convenience.
Advanced safety features to protect the user.
Ergonomic design for comfortable use over extended periods.
Brushless motor for increased efficiency and longer tool life.
Cons
Requires two 18V batteries, increasing initial cost.
Battery charging time can be significant depending on the charger.
The tool is heavier than single-battery angle grinders.
Users need to manage and monitor the two batteries during operation.
Setup, Compatibility & Care
Battery Installation: Insert two 18V Makita Li-ion batteries into the tool, ensuring they are securely locked in place.
Disc/Wheel Installation: Follow the instructions in the manual to correctly install the grinding or cutting disc/wheel. Make sure the disc is compatible with the tool and the materials you are working with.
Safety Check: Before each use, inspect the disc for damage and ensure all guards are properly positioned.
Compatibility: This tool is only compatible with Makita 18V Li-ion batteries. Use of other battery types may damage the tool.
Care:
Always disconnect the batteries before cleaning or maintenance.
Clean the tool with a dry or slightly damp cloth. Do not use solvents.
Regularly inspect the tool for wear and tear.
Store the tool in a dry place, away from direct sunlight.