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ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing accessories, before adjusting or when making

repairs. An accidental start-up can cause injury.

WARNING: Prior to assembly and adjustment, ALWAYS unplug tool.

Attaching Side Handle (Fig. 1, 2) FIG. 2

The side handle (H) can be fitted to either side or top of the gear case in the threaded holes. The side positions are designed for optimized balance in surface finishing and grinding applications. The side handle must be used at all times to maintain proper control of the tool. Before using the tool, check that the handle is tightened securely.

ANTI-VIBRATION SIDE HANDLE

The anti-vibration side handle reduces vibration and user fatigue in extended use applications.

Rotating the Gear Case (Fig. 3)

For applications in which a tool will be FIG. 3

dedicated for uses in edge grinding and finishing work, the gear case may be rotated 90° left or right of its original position.

1. Remove the four corner screws attaching the gear case to motor housing.

2.Without separating the gear case from motor housing, rotate the gear case head to desired position.

NOTE: If the gear case and motor housing become separated by more than 1/8" (3.17 mm), the tool must be serviced and re-assembled by a DEWALT service center. Failure to have the tool serviced may cause brush, motor and bearing failure.

3.Reinstall screws to attach the gear case to the motor housing. Tighten screws to 20 in.-lbs. torque. Overtightening could cause screws to strip.

Installing Grounded Cord Set and Plug

The above models can be outfitted with a grounded cord set and retain its compliance approval. Contact your local service center for installation.

Wheel Mounting Accessories and Attachments

It is important to choose the correct guards, backing pads and flanges to use with grinder accessories. Refer to pages 62–64 for information on choosing the correct wheel mounting accessories.

ATTACHMENTS

Attachments designed specifically for this grinder can be purchased through DEWALT dealers and DEWALT Factory Service centers.

9" (230 mm) Type 27 guard 9" (230 mm) Type 28 guard 7" (180 mm) Type 27 guard

5"–6" (127–152 mm) Type 11 Flaring cup guard with flange 4" (101 mm) Type 11 Flaring cup guard with flange

Type 11 Flaring cup wheel backing flange Type 1 Flange set

7" (180 mm) Type 1 Guard Grinding backing flange Clamp nut

Wheel Wrench

Soft mount spindle protector

WARNING: Accessories must be rated for at least the speed recommended on the tool warning label. Wheels and other accessories running over their rated accessory speed may fly apart and cause

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DeWalt DWE4557 instruction manual Assembly and Adjustments, Attaching Side Handle , 2 FIG, Rotating the Gear Case Fig
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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.
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