This page contains replacement guides and a troubleshooting section for the Craftsman Scroller Saw Double Insulated 5/8" Stroke-Variable Speed (Model 315.10721). This handsaw was manufactured in 1979 by Sears, Roebuck and Co.

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Why is the saw blade bouncing up and down?

When making a cut the saw blade seems to bounce up and down. It will not make a clean cut through the material. I have tried using different speeds but it is still bouncing

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Chosen Solution

Tension is too loose, the teeth are dull, or the material is too thick.

A blade that does not have enough tension will wander. It will also flex from side to side, making for irregular or angled cuts. If you press too hard on a loose blade, it will usually snap.

A blade that has too much tension is more susceptible to breaking and tends to pull out of the blade holders. In general, it is better to make the blade too tight rather than too loose.

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