Slide hammers come in two main sizes, large and small, and are typically used for driving rods into the ground or removing dents from cards. The main difference between the two, aside from size, is that the larger slide hammer requires you to move the hammer downward while the main goal of the smaller slide hammer is to move the hammer up. If you follow proper procedure and safety guidelines, the slide hammer does all the work for you.
Operating a Large Slide Hammer
The large slide hammer is a powerful machine, and care should be taken when using it. Always make sure the loop pull cap is screwed onto the top before using it; otherwise the hammer could fly off and hit you. Make sure to keep both hands on the handles at all times, and check for any underground utilities or lines before you start working to make sure you don't hit anything.
Take the sampler rod you want to drive into the ground, and screw the slide hammer anvil onto the top. Screw the probe rod onto the slide hammer anvil. It will be on top of the anvil, and this probe rod now serves as your guide rod. It will not go into the ground. Lay the slide hammer onto the ground, and slide the guide rod into it. It should come to rest on the anvil. Raise the entire unit into the upright position, and make sure your hands are away from the anvil so they are not smashed if the slide hammer manages to rise slightly and fall. Screw the loop pull cap onto the top of the guide rod. This step is important, and you should always double check that the loop pull cap is in place.
To use the slide hammer, place the sampler rod on the bottom over the area you want to drive it into. Then raise the slide hammer, and slam it down onto the anvil. Raise it only as high as you can comfortably reach, and never let go of the handles. You want to drive it downward with your hands, not drop it. Repeat this procedure as many times as needed to drive the sampler rod into the ground.
Operating a Small Slide Hammer
For the small, handheld slide hammer, hook or screw the end into the dent you wish to remove. Check that it is securely in place. When you first use the slide hammer, it is better to use less strength than you think you'll need. If the dent doesn't come out, you can use more strength. If you use too much, however, it can rip the metal.
Grip the handle firmly in one hand and the slide in the other. The slide should be at the bottom of the rod. Slam it upward into the handle, and the force will pull out the dent. Once again, be careful not to slam it too hard or you'll rip the metal.
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