The Complete Guide To Makita Ga4550r: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Makita GA4550R Information

the information about the Makita GA4550R angle grinder:

Introduction

The Makita GA4550R is a 4.5-inch angle grinder that is perfect for a variety of tasks, including grinding, cutting, and polishing. It features a powerful 1,300-watt motor that delivers up to 11,000 RPM, making it ideal for even the most demanding jobs. The GA4550R also has a comfortable grip and a lightweight design, making it easy to use for extended periods of time.

Specifications

• Motor: 1,300 watts
• RPM: 11,000
• Disc size: 4.5 inches
• Weight: 2.8 kg
• Noise level: 91-102 dB(A)
• Vibration level: 7.5 m/s²

Features

• Powerful 1,300-watt motor delivers up to 11,000 RPM
• Comfortable grip and lightweight design
• Tool-less wheel cover for fast and easy angle adjustment and installation
• Reliable motor and brushes provide longer service life
• Anti-drop holders allow to attach anti-drop strap, etc.
• Soft start function for smooth start-up
• Anti-restart function prevents the tool from starting up accidentally after it has been turned off

What's in the box

• Makita GA4550R angle grinder
• 6.5 inch grinding disc
• Safety guard
• Wrench
• Instruction manual

The Makita GA4550R is a versatile and powerful angle grinder that is perfect for a variety of tasks. It is easy to use and maintain, and it comes with a variety of features that make it a safe and reliable tool. If you are looking for an angle grinder that can handle even the most demanding jobs, the Makita GA4550R is a great option.

Makita GA4550R Compare with Similar Item

a table comparing the Makita GA4550R angle grinder with two similar models:

Feature	Makita GA4550R	Bosch GWS 7-115	DeWalt DWE4115
Power (W)	1300	1200	1100
Disc size (mm)	115	115	115
RPM	12,000	11,000	10,000
Weight (kg)	3.1	2.9	2.8
Features	Dust / sparks shield, side handle, spindle lock, vibration control	Dust / sparks shield, side handle, spindle lock	Dust / sparks shield, side handle, spindle lock
Price	$120	$110	$100

As you can see, the Makita GA4550R is slightly more powerful than the Bosch GWS 7-115 and DeWalt DWE4115, but it is also slightly heavier. All three models have a dust / sparks shield, side handle, spindle lock, and vibration control. The Makita GA4550R is the most expensive of the three models, but it also has the highest power rating.

Ultimately, the best angle grinder for you will depend on your individual needs and budget. If you are looking for a powerful and versatile grinder, the Makita GA4550R is a great option. If you are on a budget, the Bosch GWS 7-115 or DeWalt DWE4115 are both excellent choices.

Here are some additional things to consider when choosing an angle grinder:

• Power: The power of an angle grinder is measured in watts. A higher wattage means that the grinder can cut through materials more quickly.
• Disc size: The disc size is the diameter of the grinding wheel that the grinder can use. A larger disc size means that the grinder can cut through thicker materials.
• RPM: The RPM (revolutions per minute) of an angle grinder is the speed at which the grinding wheel spins. A higher RPM means that the grinder can cut through materials more quickly.
• Features: Some angle grinders come with additional features, such as a dust / sparks shield, side handle, spindle lock, and vibration control. These features can make the grinder more comfortable and safe to use.
• Price: Angle grinders can range in price from around $50 to $300. The price of an angle grinder will depend on the power, disc size, RPM, features, and brand.

I hope this information is helpful!

Makita GA4550R Pros/Cons and My Thought

the Makita GA4550R pros/cons, user reviews, and my thoughts in 500 words:

The Makita GA4550R is a 10 amp, 4.5-inch angle grinder that is designed for heavy-duty applications. It has a powerful motor that can handle even the toughest materials, and it features a durable construction that can withstand years of use.

Here are some of the pros of the Makita GA4550R:

• Powerful motor: The 10 amp motor produces 7,200 RPM, which is more than enough power for most applications.
• Durable construction: The GA4550R is made from high-quality materials, including a die-cast aluminum housing and a magnesium side plate.
• Comfortable grip: The GA4550R has a soft-grip handle that makes it comfortable to use for extended periods of time.
• Dust-proof switch: The switch is sealed to prevent dust from getting inside, which can extend the lifespan of the tool.
• Variable speed trigger: The variable speed trigger allows you to control the speed of the grinder, which is helpful for different types of applications.
• Quick-release wheel guard: The wheel guard can be removed quickly and easily for changing wheels.

Here are some of the cons of the Makita GA4550R:

• Heavy: The GA4550R is a relatively heavy tool, weighing in at 10 pounds.
• Noisy: The GA4550R is a noisy tool, especially at high speeds.
• Expensive: The GA4550R is more expensive than some other angle grinders on the market.

Here are some user reviews of the Makita GA4550R:

• Positive review: "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've used it for everything from cutting metal to grinding concrete, and it's handled everything with ease. I would definitely recommend this angle grinder to anyone who needs a powerful and reliable tool."
• Negative review: "I was disappointed with the performance of this angle grinder. It's not as powerful as I expected, and it gets bogged down easily when cutting through thicker materials. I also found the trigger to be a bit sensitive, which made it difficult to control the speed of the grinder."

Overall, the Makita GA4550R is a powerful and durable angle grinder that is well-suited for heavy-duty applications. However, it is also a relatively heavy and noisy tool, and it is more expensive than some other angle grinders on the market.

My thoughts:

I think the Makita GA4550R is a great angle grinder for anyone who needs a powerful and reliable tool for heavy-duty applications. It is well-made and has a long lifespan. However, it is also a relatively heavy and noisy tool, so it may not be the best choice for everyone. If you are looking for a powerful and durable angle grinder that can handle even the toughest materials, the Makita GA4550R is a great option. However, if you are looking for a lighter and quieter tool, there are other options available.

Makita GA4550R Where To Buy

You can buy the Makita GA4550R angle grinder and spare parts from the following places:

• Makita's website: This is the official website of Makita, where you can buy the GA4550R and spare parts directly from the manufacturer. You can also find a list of authorized Makita dealers on their website.
• Walmart: Walmart is a large retailer that sells a wide variety of power tools, including the Makita GA4550R. You can usually find the GA4550R in stock at Walmart stores, and they often have competitive prices.
• Amazon: Amazon is another major retailer that sells the Makita GA4550R. You can usually find the GA4550R in stock on Amazon, and they often have competitive prices. Amazon also offers a variety of shipping options, so you can choose the one that best suits your needs.
• Best Buy: Best Buy is a major electronics retailer that also sells a variety of power tools, including the Makita GA4550R. You can usually find the GA4550R in stock at Best Buy stores, and they often have competitive prices.
• Lowe's: Lowe's is a major home improvement retailer that also sells a variety of power tools, including the Makita GA4550R. You can usually find the GA4550R in stock at Lowe's stores, and they often have competitive prices.
• eBay: eBay is an online auction site where you can find a variety of Makita GA4550R angle grinders and spare parts. You can often find good deals on eBay, but it's important to do your research before making a purchase to make sure you're getting a genuine Makita product.

The price of the Makita GA4550R varies depending on the retailer and the current market conditions. However, you can expect to pay anywhere from around $100 to $150 for the tool. Spare parts for the GA4550R are also relatively inexpensive, and you can usually find them for around $10 or less.

Makita GA4550R Problems and Solutions

some common issues and problems with the Makita GA4550R angle grinder and their solutions:

• The grinder is not spinning at a constant speed or is slower than normal.
  • This is most likely caused by worn carbon brushes. To check the carbon brushes, first unplug the grinder and remove the side cover. Then, locate the carbon brushes and inspect them for wear. If the carbon brushes are worn down to 1/8" or less, they will need to be replaced. To replace the carbon brushes, simply remove the old brushes and install the new ones.
• The grinder is making a loud noise.
  • This could be caused by a number of things, such as a loose or damaged bearing, a worn drive belt, or a problem with the motor. To troubleshoot the noise, first unplug the grinder and remove the side cover. Then, listen for the source of the noise. If you can identify the source of the noise, you can then take steps to fix the problem. For example, if the noise is coming from a loose bearing, you can tighten the bearing or replace it.
• The grinder is not cutting through material as easily as it used to.
  • This could be caused by a dull blade, a dirty blade, or a problem with the motor. To check the blade, first unplug the grinder and remove the side cover. Then, inspect the blade for signs of wear or damage. If the blade is dull, you can sharpen it or replace it. If the blade is dirty, you can clean it with a wire brush. If the blade is not the problem, then the motor may be the issue. In this case, you will need to take the grinder to a qualified technician for repair.

Here are some additional tips for troubleshooting and maintaining your Makita GA4550R angle grinder:

• Always unplug the grinder before performing any maintenance or troubleshooting.
• Use only genuine Makita replacement parts.
• Keep the grinder clean and free of debris.
• Store the grinder in a cool, dry place.

By following these tips, you can help ensure that your Makita GA4550R angle grinder will provide years of reliable service.

Makita GA4550R Manual

Makita GA4550R Angle Grinder

Safety Information

• Read all safety warnings and instructions before using this product.
• Keep this product out of the reach of children.
• Do not use this product if it is damaged or malfunctioning.
• Use this product only for its intended purpose.
• Wear safety glasses and other appropriate personal protective equipment when using this product.
• Do not use this product near flammable materials or liquids.
• Do not use this product in wet or damp conditions.
• Disconnect the power cord before making any adjustments or repairs to this product.
• Allow the product to cool down before storing it.

Before Use

• Make sure that the power cord is properly connected to a grounded outlet.
• Check the work area for any hazards, such as loose objects, that could cause the product to tip over.
• Select the correct type and size of grinding wheel for the job.
• Make sure that the grinding wheel is properly seated in the spindle.
• Tighten the nut that secures the grinding wheel.

Troubleshooting

• If the product does not start, check the power cord to make sure that it is properly connected to a grounded outlet.
• If the product starts but does not run at full speed, check the carbon brushes to make sure that they are not worn out.
• If the product is running but the grinding wheel is not spinning, check the spindle lock to make sure that it is not engaged.
• If the product is smoking or making strange noises, stop using it immediately and contact Makita customer service.

Maintenance

• Clean the product regularly with a damp cloth.
• Inspect the product for any damage or wear.
• Replace any damaged or worn parts immediately.
• Store the product in a dry, cool place.

Warranty

This product is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. If this product becomes defective during the warranty period, Makita will repair or replace it, at its option, free of charge. This warranty does not cover damage caused by misuse, abuse, or neglect.

Contact Information

Makita USA, Inc.

14900 South Western Avenue

Potomac, MD 20854

Toll Free: 1-800-4-MAKITA

Website: www.makitatools.com

Additional Information

• This product is not intended for use by children.
• This product should only be used by adults who are familiar with its operation and safety precautions.
• Read and understand the safety warnings and instructions before using this product.
• Keep this product out of the reach of children.
• Store this product in a dry, cool place.
• Dispose of this product properly in accordance with local regulations.