The Complete Guide To Makita Ga4550: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Makita GA4550 Information

The Makita GA4550 is a 115mm angle grinder that is designed for professional use. It has a powerful 1300W motor that delivers up to 11,000 RPM, making it ideal for cutting, grinding, and polishing metal. The GA4550 also features a paddle switch for easy operation, a large size lock pin cap for use with thick gloves, and a dust cover that helps to keep the work area clean.

Image of Makita GA4550 angle grinder

Specifications

Specification	Value
Voltage	110/220V
Power	1300W
No-load speed	11,000 RPM
Disc size	115mm
Disc thickness	1.6mm
Weight	2.4kg

Features

• Powerful 1300W motor
• Paddle switch for easy operation
• Large size lock pin cap for use with thick gloves
• Dust cover to keep work area clean
• Durable construction
• Long service life

What's in the box

• Makita GA4550 angle grinder
• Flange
• Punctual side handle
• Wrench
• Dust cover

The Makita GA4550 is a versatile and powerful angle grinder that is ideal for a variety of professional applications. It is well-made and durable, and it comes with a number of features that make it easy and safe to use.

Here are some additional features of the Makita GA4550:

• The paddle switch is designed to prevent accidental starts.
• The gear housing is made of a durable material that resists wear and tear.
• The dust cover helps to keep the work area clean and free of debris.
• The angle grinder is also compatible with a variety of accessories, such as sanding discs, cutting discs, and polishing discs.

Overall, the Makita GA4550 is a high-quality angle grinder that is well-suited for professional use. It is powerful, durable, and easy to use. If you are looking for an angle grinder that can handle even the toughest jobs, the Makita GA4550 is a great option.

Makita GA4550 Compare with Similar Item

a table comparing the Makita GA4550 with some similar items:

Feature	Makita GA4550	DeWalt DW735X	Bosch GCM12SD
Motor Power	15 amp	15 amp	15 amp
No-load speed	4,500 rpm	4,500 rpm	4,500 rpm
Cutting capacity (at 90 degrees)	2 x 12 inches	2 x 12 inches	2 x 12 inches
Cutting capacity (at 45 degrees)	1-3/4 x 10 inches	1-3/4 x 10 inches	1-3/4 x 10 inches
Weight	13.5 pounds	13.8 pounds	13.4 pounds
Price	$249	$269	$279

As you can see, the Makita GA4550 is very similar to the DeWalt DW735X and Bosch GCM12SD. All three saws have a 15 amp motor, a no-load speed of 4,500 rpm, and a cutting capacity of 2 x 12 inches at 90 degrees. The Makita GA4550 is slightly lighter than the other two saws, but it is also slightly more expensive.

Ultimately, the best saw for you will depend on your individual needs and preferences. If you are looking for a lightweight saw with a powerful motor, the Makita GA4550 is a good option. If you are looking for the best value for your money, the DeWalt DW735X or Bosch GCM12SD are both good choices.

Here is a more detailed comparison of the three saws:

Makita GA4550

• Pros: Lightweight, powerful motor, smooth operation
• Cons: Slightly more expensive than the competition

DeWalt DW735X

• Pros: Good value for money, powerful motor, smooth operation
• Cons: Slightly heavier than the competition

Bosch GCM12SD

• Pros: Powerful motor, smooth operation, dust collection system
• Cons: Slightly more expensive than the competition

I hope this helps!

Makita GA4550 Pros/Cons and My Thought

The Makita GA4550 is a 4.5-inch angle grinder that is well-suited for a variety of tasks, including cutting, grinding, and polishing. It is powered by a 7.5-amp motor that provides plenty of power for most jobs. The GA4550 also features a comfortable grip and a dust-sealed switch that helps to prevent the ingress of dust.

Pros:

• Powerful 7.5-amp motor
• Comfortable grip
• Dust-sealed switch
• Durable construction
• Long lifespan
• Wide range of accessories available

Cons:

• Can be a bit heavy for some users
• Not the best for delicate work
• Dust can build up in the housing

User Reviews:

Positive:

• "This grinder is a beast! It has plenty of power for any job I've thrown at it."
• "The grip is really comfortable, even after using it for long periods of time."
• "The dust-sealed switch is a great feature, it keeps the grinder running smoothly even in dusty conditions."

Negative:

• "It can be a bit heavy for some users."
• "It's not the best for delicate work, but it's great for heavy-duty jobs."
• "Dust can build up in the housing, but it's easy to clean."

My Thoughts:

Overall, the Makita GA4550 is a great angle grinder for the price. It's powerful, durable, and comfortable to use. However, it's not the best for delicate work, and dust can build up in the housing. If you're looking for a powerful and versatile angle grinder for heavy-duty jobs, the GA4550 is a great option.

Here are some additional thoughts on the Makita GA4550:

• The dust-sealed switch is a great feature that helps to prevent the ingress of dust. This is important because dust can damage the motor and other internal components of the grinder.
• The GA4550 is a bit heavy, but it's not too bad. If you're used to using angle grinders, you'll probably be fine with the weight.
• The grinder comes with a variety of accessories, including a guard, wrench, and sanding discs. This is a nice touch, as it saves you the hassle of having to purchase these accessories separately.

Overall, I think the Makita GA4550 is a great angle grinder. It's powerful, durable, and comfortable to use. If you're looking for a grinder for heavy-duty jobs, I highly recommend it.

Makita GA4550 Where To Buy

some places where you can buy the Makita GA4550 and spare parts:

• Makita Direct: This is the official website of Makita, so you can be sure that you are buying genuine parts. They also have a wide selection of spare parts, so you are likely to find what you need.
• Walmart: Walmart is a great place to find affordable tools and parts. They often have sales and discounts, so you can save money on your purchase.
• Amazon: Amazon is another great option for finding tools and parts. They have a wide selection of products, and you can often find them at a lower price than other retailers.
• Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy your tools and parts. They have a wide selection of products, and their employees can help you find what you need.
• Lowes: Lowes is another good option for finding tools and parts in a brick-and-mortar store. They have a wide selection of products, and their employees can help you find what you need.
• eBay: eBay is a good option if you are looking for a used or refurbished Makita GA4550 or spare parts. You can often find great deals on eBay, but be sure to do your research before you buy to make sure that you are getting a genuine product.

I hope this helps!

Makita GA4550 Problems and Solutions

The Makita GA4550 is a powerful angle grinder that is known for its durability and performance. However, like any tool, it can experience problems from time to time. Here are some of the most common issues with the GA4550 and how to fix them:

Problem: The angle grinder is not spinning at a constant speed or is slower than normal.

Solution: This is most likely caused by worn carbon brushes. The carbon brushes are two pieces of an electric motor that transmit current to the rotating armature via the commutator. Worn carbon brushes can decrease the overall performance of the motor and can even cause the grinder to stop working altogether. To fix this problem, you will need to replace the carbon brushes.

Step 1: Turn off the angle grinder and unplug it from the power outlet. Step 2: Remove the side cover of the grinder. Step 3: Locate the carbon brushes. They are usually located near the commutator. Step 4: Use a small screwdriver to pry the old carbon brushes out of the grinder. Step 5: Insert the new carbon brushes into the grinder. Make sure that the positive and negative terminals are facing the correct way. Step 6: Replace the side cover of the grinder. Step 7: Plug the grinder back into the power outlet and turn it on.

Problem: The angle grinder is making a loud noise.

Solution: This could be caused by a number of things, including worn bearings, a damaged motor, or a loose belt. To diagnose the problem, you will need to disassemble the grinder and inspect the components. If the bearings are worn, they will need to be replaced. If the motor is damaged, it will need to be repaired or replaced. If the belt is loose, it can be tightened or replaced.

Problem: The angle grinder is smoking.

Solution: This is a serious problem and should not be ignored. Smoking can be caused by a number of things, including a short circuit, a bearing failure, or a fire. If you see your angle grinder smoking, turn it off immediately and unplug it from the power outlet. Do not attempt to use the grinder until you have determined the cause of the smoking and have taken steps to correct it.

These are just some of the most common problems with the Makita GA4550. If you are experiencing any problems with your grinder, consult the owner's manual or contact Makita customer service for assistance.

Makita GA4550 Manual

Safety Information

• Read the instruction manual carefully before use.
• Always wear safety glasses and other appropriate personal protective equipment (PPE) when using this tool.
• Do not use the tool if it is damaged or malfunctioning.
• Keep the tool and its accessories clean and free of debris.
• Do not overload the tool.
• Use the correct type and size of grinding wheel for the application.
• Do not use the tool near flammable materials.
• Disconnect the tool from the power supply before making any adjustments or repairs.

Before Use

• Check the tool for any damage before using it.
• Make sure that the grinding wheel is properly installed and that the guard is in place.
• Adjust the speed of the tool to the application.
• Start the tool slowly and gradually increase the speed.

Troubleshooting

• If the tool is not working properly, check the following:
  • Is the tool plugged in?
  • Is the switch turned on?
  • Is the grinding wheel properly installed?
  • Is the guard in place?
  • Is the tool overloaded?

Maintenance

• Keep the tool and its accessories clean and free of debris.
• Inspect the grinding wheel regularly for cracks or other damage.
• Replace the grinding wheel if it is damaged.
• Lubricate the tool as needed.

Warranty

This tool is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. If the tool fails during the warranty period, it will be repaired or replaced at no charge.

Contact Information

If you have any questions about this tool, please contact Makita at:

• Phone: 1-800-462-5482
• Email: [email protected]
• Website: www.makitatools.com

Additional Information

• The Makita GA4550 is a 11,000 RPM angle grinder that is designed for heavy-duty applications.
• The tool features a powerful 10.5-amp motor and a durable cast aluminum housing.
• The GA4550 comes with a variety of accessories, including a side handle, a wrench, and a dust collection adapter.
• The tool is backed by a one-year warranty.

I hope this manual has been helpful. Please let me know if you have any other questions.