How to Use a Black and Decker Electric Edger | Edge Like a Pro

Using a Black and Decker electric edger starts with setting the blade depth to 1-inch, positioning the edge guide flush against the pavement, and lifting the handle to engage the blade as you walk forward steadily.

That crisp line between your lawn and the driveway isn’t magic. It’s a Black and Decker electric edger, specifically the LE750 EdgeHOG model. Most people buy this tool to clean up lawn borders, and the common mistake is skipping the setup steps. A quick misalignment or wrong blade depth can leave a ragged edge or bog the motor down. Here’s the sequence that works every time.

Setting Up the LE750 Before You Start

Getting the depth right is the first job. The LE750 has three height settings that click into place at 1.0, 1.25, and 1.5 inches, controlled by a lift mechanism on the rear.

Use the 1-inch setting for a new blade or your first pass of the season. The edge guide must be in the down position before you operate the tool. If the blade guard is missing, do not run the tool — it will cause the motor to overheat.

• Set cut depth to 1 inch by adjusting the lift mechanism until it clicks.
• Confirm the edge guide (the curved metal piece at the front) is locked in the lowered position.
• Check the power cord — the LE750 is 120V AC only; no battery version exists, so a grounded extension cord rated for outdoor use is required.
• Clear the work area of rocks, sticks, and toys. Keep all pets and people at least 100 feet away.

How to Edge Correctly in 7 Steps

The patented EdgeHOG design uses a guide that rides against the paved surface, so you never have to eyeball the cut. Follow this order to avoid kickback or a ragged line.

1. Position the tool. Stand on the pavement and set the edger so both rear wheels sit on the paved surface and the edge guide rests flush against the pavement’s edge.
2. Tilt the handle down until the serrated blade is lifted above ground level. This prevents the blade from biting too hard when you start.
3. Turn the switch ON and let the blade spin freely for a moment without moving the tool forward.
4. Slowly lift the handle to lower the spinning blade into the ground. You will feel it find the pavement edge naturally.
5. Walk forward at a steady, relaxed pace while keeping light pressure on the edge guide against the concrete or asphalt.
6. If the motor slows down, pull back slightly and wait for the blade speed to recover before resuming forward movement. Overloading the motor can stall it.
7. Release the trigger and unplug the tool after each pass. Wait for the blade to stop completely before adjusting depth or walking around the work area.

You’ll see the success cue clearly: a clean vertical slice of soil right along the pavement line, with no torn grass or uneven divots.

LE750 Specs and Settings You Need to Know

The table below covers the hard numbers so you can match the tool to your yard conditions without guesswork.

Common Mistakes That Ruin the Edge

Most problems with this tool come from ignoring the user manual’s warnings. Here are the three most frequent errors and their fixes.

• Sharpening the blade. Never sharpen it. The blade is designed to be replaced, not honed. The factory edge is the only edge it should have.
• Edging wet soil. Moist grass and mud pack into the blade guard, causing clogs and creating an electrical hazard. Only edge when the ground is dry.
• Using the wrong depth. A brand-new blade works best at the 1-inch setting. Deeper cuts on the first pass overload the motor. Work up to the 1.5-inch setting on subsequent passes if needed.

How to Trench With the EdgeHOG

The 2-in-1 design also lets you cut a shallow trench for laying irrigation pipes or landscape wiring. The process is similar to edging, but with one critical extra step.

First, inspect for buried cables, pipes, or sprinkler lines. The serrated blade will cut through plastic and copper without warning. Set the blade depth to only what the trench requires, typically 1.25 inches for most landscape cable runs. Do not force the tool through rocky soil — if the motor bogs down, back off and let the blade speed recover before proceeding.

Clearing a Clog Safely

If the blade jams with wet grass or debris, stop immediately.

1. Release the trigger and wait for the blade to come to a complete stop.
2. Unplug the tool from the extension cord — this is mandatory before touching any part of the blade area.
3. Open the access door on the blade guard and remove the debris with a stick or wooden dowel. Never use your hands; the blade edges become sharp during use.

Never tap or drop the tool on the ground to dislodge a clog. This damages the internal alignment and can crack the blade guard housing. If you have a large property that requires frequent edging, you may want to compare top-rated options in this roundup of the best electric edgers to find your ideal tool.

Maintenance and Blade Replacement

The LE750 needs minimal maintenance, but two tasks matter. At the start of each season, inspect and clean the tool — remove all debris from the blade guard, check the power cord for cuts or fraying, and confirm the edge guide moves freely. The replacement blade part number is listed in the manual; the blade is a consumable and should be replaced when it no longer cuts cleanly. Do not attempt to sharpen it. The blade guard must always be installed — running the tool without it voids the warranty and can cause the motor to overheat in under 60 seconds.