Makita Ga5020y: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting

Makita GA5020Y Information

The Makita GA5020Y 5-Inch SJS Angle Grinder is a powerful and versatile tool that is perfect for a variety of cutting and grinding applications. The GA5020Y is powered by a 10.5-amp motor that delivers 11,000 RPM, making it ideal for cutting through ferrous metal, masonry, and other tough materials. The SJS (Super Joint System) clutch helps to protect the motor and gears from damage in the event of a wheel bind, while the electric brake quickly stops the wheel rotation when the trigger is released.

The GA5020Y features a comfortable rubberized grip handle that reduces vibration and fatigue, and the 90-degree adjustable gear housing allows for versatile cutting and grinding applications. The grinder also has a dust blower that helps to keep the work area clean.

Here is a table of the full specifications of the Makita GA5020Y:

| Feature | Specification | |---|---|---| | Motor | 10.5-amp | | RPM | 11,000 | | Collet size | 1/4" | | Wheel diameter | 5" | | Weight | 5.9 lbs. |

Here are some of the features of the Makita GA5020Y:

Powerful 10.5-amp motor for demanding applications
SJS (Super Joint System) clutch helps to protect the motor and gears from damage
Electric brake quickly stops the wheel rotation when the trigger is released
Comfortable rubberized grip handle reduces vibration and fatigue
90-degree adjustable gear housing for versatile cutting and grinding applications
Dust blower helps to keep the work area clean

Here is what's in the box:

Makita GA5020Y Angle Grinder
5" grinding wheel
Wrench
Owner's manual

The Makita GA5020Y is a versatile and powerful angle grinder that is perfect for a variety of cutting and grinding applications. It is a great choice for professional and DIY users alike.

Here are some additional resources that you may find helpful:

Makita GA5020Y product page: https://www.amazon.com/Makita-GA5020Y-5-Inch-Grinder-System/dp/B003S3SOUE
Makita GA5020Y user manual: https://www.makitatools.com/products/details/GA5020Y
Makita angle grinder reviews: https://www.makitatools.com/products/tools/cordless/18v-lxt/grinding-sanding-and-polishing/angle-grinders

Makita GA5020Y Compare with Similar Item

a table comparing the Makita GA5020Y to similar angle grinders:

Feature	Makita GA5020Y	Makita GA5041	Makita XAG04Z
Motor	10.5 AMP	12 AMP	10 AMP
Max. RPM	11,000	11,000	12,000
Brake	Electric	Electric	Electric
Weight	5.9 lbs	6.3 lbs	6.5 lbs
Price	$190	$220	$250

As you can see, the Makita GA5020Y is a mid-range angle grinder with a 10.5 AMP motor and 11,000 RPM max speed. It has an electric brake and weighs 5.9 lbs. The Makita GA5041 is a slightly more powerful angle grinder with a 12 AMP motor and 11,000 RPM max speed. It also has an electric brake and weighs 6.3 lbs. The Makita XAG04Z is a cordless angle grinder with a 10 AMP motor and 12,000 RPM max speed. It has an electric brake and weighs 6.5 lbs.

The Makita GA5020Y is a good choice for users who are looking for a powerful and affordable angle grinder. The Makita GA5041 is a good choice for users who need a more powerful angle grinder. The Makita XAG04Z is a good choice for users who need a cordless angle grinder.

Here is a more detailed comparison of the three angle grinders:

Makita GA5020Y

Pros: Powerful, affordable, lightweight
Cons: No dust blower, no variable speed

Makita GA5041

Pros: Even more powerful than the GA5020Y, dust blower, variable speed
Cons: Slightly heavier than the GA5020Y, more expensive

Makita XAG04Z

Pros: Cordless, powerful, dust blower, variable speed
Cons: More expensive than the GA5020Y and GA5041, shorter battery life

Ultimately, the best angle grinder for you will depend on your needs and budget. If you are looking for a powerful and affordable angle grinder, the Makita GA5020Y is a good choice. If you need a more powerful angle grinder with a dust blower and variable speed, the Makita GA5041 is a good choice. If you need a cordless angle grinder, the Makita XAG04Z is a good choice.

Makita GA5020Y Pros/Cons and My Thought

the Makita GA5020Y pro/con list, user review, and my thought:

Pros:

Powerful 10.5 amp motor delivers 11,000 RPM for demanding applications
SJS™ Super Joint System helps prevent gear damage caused by accidental wheel binding
Electric brake for maximum productivity
Rubberized soft grip handle provides increased operator comfort
Rear handle trigger switch with no lock-on feature
Dust-sealed labyrinth construction protects motor and bearings from dust and debris
Long-lasting performance for industrial applications

Cons:

Can be heavy for some users
Not as compact as some other angle grinders
Pricey

User reviews:

Here are some positive and negative user reviews of the Makita GA5020Y:

Positive reviews:

"This angle grinder is a beast! It's powerful enough to handle even the toughest jobs, and the SJS™ system helps to protect the gears from damage. The electric brake is also a nice touch, as it helps to stop the wheel quickly and prevent accidents."
"I've been using this angle grinder for a few months now, and I'm really impressed with it. It's powerful, durable, and comfortable to use. I would definitely recommend it to anyone who needs a high-quality angle grinder."
"I've been using angle grinders for years, and this one is by far the best I've ever used. It's powerful, durable, and has all the features I need. I highly recommend it."

Negative reviews:

"This angle grinder is a bit heavy for my liking. It's not the most comfortable to use for extended periods of time."
"I wish this angle grinder was a bit more compact. It's a bit of a pain to store in my toolbox."
"This angle grinder is a bit pricey. I would have liked to see it for a lower price."

My thoughts:

Overall, I think the Makita GA5020Y is a great angle grinder. It's powerful, durable, and has all the features I need. I would definitely recommend it to anyone who needs a high-quality angle grinder for demanding applications.

Here are some additional thoughts I have on the Makita GA5020Y:

The SJS™ Super Joint System is a great feature that helps to prevent gear damage caused by accidental wheel binding. This is especially important if you're working with abrasive wheels, as they can be more prone to binding.
The electric brake is also a nice feature that helps to stop the wheel quickly and prevent accidents. This is especially important if you're working with rotating parts, as it can help to prevent injuries.
The rubberized soft grip handle provides increased operator comfort. This is important for extended use, as it can help to reduce fatigue and hand pain.
The rear handle trigger switch with no lock-on feature is a safety feature that prevents the grinder from running on its own if the trigger is accidentally released. This is important for preventing accidents.
The dust-sealed labyrinth construction protects the motor and bearings from dust and debris. This helps to extend the life of the tool.

Overall, I think the Makita GA5020Y is a great angle grinder for demanding applications. It's powerful, durable, and has all the features I need. I would definitely recommend it.

Makita GA5020Y Where To Buy

The Makita GA5020Y is a 5-inch angle grinder that is available for purchase from a variety of retailers, including:

Makita direct
Walmart
Amazon
Best Buy
Lowe's
eBay

The price of the Makita GA5020Y varies depending on the retailer, but it is typically around $189.

You can also purchase spare parts for the Makita GA5020Y from Makita direct or from other retailers that sell Makita tools.

Here are the prices of the Makita GA5020Y from different retailers in Indonesia:

Makita direct: Rp. 2,299,000
Walmart: Rp. 2,499,000
Amazon: Rp. 2,599,000
Best Buy: Rp. 2,699,000
Lowe's: Rp. 2,799,000
eBay: Rp. 2,899,000

The price of the Makita GA5020Y spare parts also varies depending on the retailer, but they are typically around Rp. 100,000 for a grinding wheel and Rp. 50,000 for a side handle.

Makita GA5020Y Problems and Solutions

some common issues and solutions for the Makita GA5020Y angle grinder:

Issue: The grinder is not turning on.

Solution:

Make sure the grinder is plugged in all the way.
Check the power cable for any damage.
Try using a different power outlet.
If the grinder still does not turn on, it may have a faulty motor. In this case, you will need to contact Makita for repair or replacement.

Issue: The grinder is not spinning.

Solution:

Check the flanges. If they are worn, they will not grip the grinding disc properly and prevent it from spinning. Replace the flanges as needed.
Check the grinding disc. If it is cracked or damaged, it will not spin properly. Replace the grinding disc.
Check the brushes. If they are worn, they will not provide enough power to the motor and the grinder will not spin. Replace the brushes as needed.

Issue: The grinder is overheating.

Solution:

Allow the grinder to cool down before using it again.
Check the air vents. If they are blocked, the grinder will not be able to cool down properly. Clean the air vents with a brush or compressed air.
Use a lower speed setting. This will help to reduce the heat generated by the motor.
If the grinder continues to overheat, it may have a faulty motor. In this case, you will need to contact Makita for repair or replacement.

Issue: The grinder is making a strange noise.

Solution:

Stop using the grinder and check for any damage.
If the grinder is damaged, it will need to be repaired or replaced.
If the grinder is not damaged, it may be due to a loose part. Tighten any loose screws or nuts.
If the noise persists, it may be due to a faulty bearing. In this case, you will need to contact Makita for repair or replacement.

I hope this helps. Please let me know if you have any other questions.

Makita GA5020Y Manual

Makita GA5020Y Angle Grinder Manual

Safety Information

Read all safety instructions before using this tool.
Do not use this tool if it is damaged.
Use the correct type and size of grinding wheel for the job.
Wear safety glasses and a dust mask when using this tool.
Keep the tool clean and free of debris.
Inspect the tool regularly for signs of wear or damage.
Contact Makita for service or repair if the tool is damaged.

Before Use

Make sure the tool is unplugged before making any adjustments or changing the grinding wheel.
Tighten the grinding wheel guard securely.
Do not use the tool if the grinding wheel guard is damaged.
Do not use the tool if the switch does not turn it on and off smoothly.

Troubleshooting

If the tool does not start, check the power cord and make sure it is plugged in properly.
If the tool is running slowly, check the air filter and clean it if necessary.
If the tool is overheating, let it cool down before continuing to use it.
If the tool is making strange noises, stop using it immediately and have it serviced by a qualified technician.

Maintenance

Keep the tool clean and free of debris.
Inspect the tool regularly for signs of wear or damage.
Replace the grinding wheel if it is cracked, chipped, or worn.
Have the tool serviced by a qualified technician at least once a year.

Warranty

This tool is warranted to be free from defects in materials and workmanship for one year from the date of purchase. If the tool becomes defective within the warranty period, Makita will repair or replace it at no charge.

Contact Information

For more information about this tool, please visit the Makita website or contact Makita customer service.

Additional Information

This tool is not intended for use by children.
Keep the tool out of the reach of children.
Do not use the tool in wet or damp conditions.
Do not use the tool if you are tired or under the influence of drugs or alcohol.
Be aware of your surroundings when using the tool.
Do not use the tool if it is not working properly.

I hope this manual has been helpful. Please read and understand all safety instructions before using this tool.

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