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b)Do not use accessories which are not specifically designed and recommended by the tool manufacturer. Just because the accessory can be attached to your power tool, it does not assure safe operation.

c)The rated speed of the accessory must be at least equal to the maximum speed marked on the power tool. Accessories running faster than their rated speed can break and fly apart.

d)The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized accessories cannon be adequately guarded or controlled.

e)The arbour size of wheels, flanges, backing pads or any other accessory must properly fit the spindle of the power tool. Accessories with arbour holes that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively and may cause loss of control.

f)Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheel for chips and cracks, backing pad for cracks, tear or excess wear, wire brush for loose or cracked wires. If power tool or accessory is dropped, inspect for damage or install an undamaged accessory. After inspecting and installing an accessory, position yourself and bystanders away from the plane of the rotating accessory and run the power tool at maximum no-load speed for one minute. Damaged accessories will normally break apart during this test time.

g)Wear personal protective equipment. Depending on application, use face shield, safety goggles or safety glasses. As appropriate, wear dust mask, hearing protectors, gloves and shop apron capable of stopping small abrasive or workpiece fragments. The eye protection must be capable of stopping flying debris generated by various

operations. The dust mask or respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss.

h)Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.

i)Hold power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring or its own cord. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electrical shock.

j)Position the cord clear of the spinning accessory. If you lose control, the cord may be cut or snagged and your hand or arm may be pulled into the spinning accessory.

k)Never lay the power tool down until the accessory has come to a complete stop. The spinning accessory may grab the surface and pull the power tool out of your control.

l)Do not run the power tool while carrying it at your side. Accidental contact with the spinning accessory could snag your clothing, pulling the accessory into your body.

m)Regularly clean the power tool’s air vents. The motor’s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards.

n)Do not operate the power tool near flammable materials. Sparks could ignite these materials.

o)Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock.

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DeWalt DWE4557 instruction manual English

DWE4557 specifications

The DeWalt DWE4557 is a powerful and robust angle grinder designed to deliver high performance and durability for both professional and DIY enthusiasts. This tool is equipped with a 4.5-inch diameter wheel and is renowned for its efficient performance in heavy-duty applications. One of its key features includes a 13-amp motor that provides a remarkable power output of 2,000 watts, ensuring that it can handle tough materials such as metal and masonry with ease.

One of the standout technologies in the DWE4557 is its electronic kickback brake, which engages in the event of a wheel bind-up. This feature helps to minimize the risk of injury and maximizes user safety by bringing the wheel to a stop quickly. The grinder also boasts a no-volt release switch that prevents the tool from starting unexpectedly when reconnected to a power source—a vital safety consideration for frequent users.

The DWE4557 is designed with user comfort in mind. It has an anti-vibration handle that significantly reduces the amount of vibration felt during operation, allowing for prolonged use without causing discomfort to the user’s hands and arms. The handle can be adjusted for optimal control and comfort, accommodating different user preferences.

Additionally, the angle grinder has an integrated safety guard that can be easily adjusted for convenience and operational versatility. The guard protects the user from debris and sparks while grinding or cutting, thereby enhancing safety during use. The DWE4557 also features a spindle lock for easy wheel changes, making it quick and straightforward to switch between different attachments based on the job at hand.

It is worth noting that the DeWalt DWE4557 is designed for durability. It includes a robust, durable construction that can withstand the rigors of heavy usage, ensuring a long lifespan of the tool. The gear case is also designed for longevity, with a high-performance drive system that ensures consistent and reliable operation.

Overall, the DeWalt DWE4557 is a reliable angle grinder that combines power, performance, and safety features in a compact and durable design. Whether for professional applications or personal projects, this tool is well-equipped to deliver outstanding results in a variety of grinding and cutting tasks.