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USING WIRE CUP BRUSHES AND WIRE WHEELS (FIG. 14) Wire wheels and brushes can be used for removing rust, scale and paint, and for smoothing irregular surfaces.

NOTE: The same precautions should be taken when wire brushing paint as when sanding paint (refer to Precautions To Take When Sanding Paint).

1.Allow the tool to reach full speed before touching the tool to the work surface.

2.Apply minimum pressure to work surface, allowing the tool to operate at high speed. Material removal rate is greatest when the tool operates at high speed.

3.Maintain a 5° to 10° angle between the tool and work surface for wire cup brushes.

4.Maintain contact between the edge of the wheel and the work surface with wire wheels.

5. Continuously move the tool in a forward and

FIG. 14

back motion to avoid creating gouges in

 

the work surface. Allowing the tool to rest

 

on the work surface without moving, or

 

moving the tool in a circular motion causes

5˚–10˚

burning and swirling marks on the work

surface.

 

6.Remove the tool from the work surface before turning the tool off. Allow the tool to stop rotating before setting it down.

CAUTION: Use extra care when working over an edge, as a sudden sharp movement of grinder may be experienced.

Mounting and Using Flaring Cup (Type 11) Wheel

MOUNTING FLARING CUP WHEEL GUARD (FIG. 15)

WARNING: The flaring cup wheel guard is not included with this tool. Flaring cup wheels require proper flanges and guards. 4" (101 mm) flaring cup wheel guard D284934 and 5"–6"

(127–152 mm) flaring cup wheel guard D284936 are available as accessories and include proper flange. Failure to use the proper flange and guard can result in injury resulting from wheel breakage and wheel contact.

1.

Install the guard as shown in Figure 15.

FIG. 15

2.

Guard body should be positioned between

 

 

the spindle and the operator to provide

S

 

maximum operator protection.

 

3.

Securely tighten the two clamping screws

 

 

(S) supplied with the guard.

 

MOUNTING FLARING CUP WHEEL (FIG. 16)

1.Install the flaring cup wheel backing flange, aligning the flats on spindle (T) with the flats on backing flange (O).

2.Thread the flaring cup wheel on spindle by hand, seating wheel against backing flange.

3.Depress the spindle lock button and tighten the wheel by hand.

4.To remove the wheel, reverse the above procedure.

FIG. 16

O

 

T

CAUTION: Failure to properly seat the wheel against backing flange before turning the tool on may result in damage to the tool or the wheel.

NOTE: Adjust the guard skirt so that only 1/8" (3.17 mm) of the wheel is exposed by loosening the bolts, allowing the guard to lengthen. Tighten the guard skirt bolts securely before using the grinder.

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DeWalt DWE4557 instruction manual Mounting and Using Flaring Cup Type 11 Wheel, Burning and swirling marks on the work
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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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