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DeWalt DWE4557 instruction manual Sanding Flap Discs, Trigger Operation with LOCK-ON Feature

Models: DWE4557

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unexpectedly when power is reconnected to the tool. Hold the side handle and rear handle firmly to maintain control of tool at start up and during use.

Sanding Flap Discs

TRIGGER OPERATION

To turn the tool on, depress lock-off button (B) then trigger switch (A). The trigger can be feathered as long as the lock-off button is depressed. The tool will remain running while the trigger is depressed. Turn the tool off by releasing the trigger.

FIG. 6

 

C

B A

Type 27 guard

Type 27 guard

D284937 7" (180 mm)

D284937 7" (180 mm)

D284939 9" (230 mm)

D284939 9" (230 mm)

English

TRIGGER OPERATION WITH LOCK-ON FEATURE

To turn tool on, depress trigger. Depress and hold lock-on button (C) while releasing trigger. Lock-on button will remain depressed and tool will remain on.

To turn the tool off, depress and release trigger. The lock pin button will pop out, permitting the trigger to disengage and causing the tool to turn off.

NOTE: Allow the tool to reach full speed before touching tool to work surface. Lift the tool from the work surface before turning the tool off.

CAUTION: Make sure the wheel has come to a complete stop before setting the tool down.

SPINDLE LOCK BUTTON (FIG. 7)

FIG. 7

The spindle lock button (D) is provided to

 

 

 

prevent the spindle from rotating when

 

 

 

installing or removing wheels.

 

 

 

NOTICE: To reduce the risk of damage to

 

 

 

the tool, do not engage the spindle lock

 

 

 

button while the tool is operating. Damage

 

 

 

to the tool will result and attached accessory

 

 

D

may spin off possibly resulting in injury.

 

 

To engage the lock, depress the spindle lock button (D) and rotate the spindle until you are unable to rotate the spindle further.

hubbed sanding flap

backing flange

54339-00

disc

 

 

non-hubbed sanding

 

flap disc

 

clamp nut

 

22191-00

NOTE: Wheel size must match guard size; i.e., a new 7" (180 mm) wheel may not be used with a 9" (230 mm) guard. The bottom surface of wheel must be inside the bend of the guard lip.

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Page 62
Image 62
DeWalt DWE4557 instruction manual Sanding Flap Discs, Trigger Operation with LOCK-ON Feature, Spindle Lock Button FIG
Page 61 Page 63

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.