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Changing a Spur Knife with T20 Torx Wrench

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Published on May 9, 2014

"It starts with knowledge..."

Today, we are changing a spur knife on the Rangate Multi-Use cutterhead with a T20 Torx Wrench.

On a Rangate Multi-Use woodworking cutter, there are spur knives -- each with four cutting edges (square knife). When one begins to wears out, the knife can be rotated so that another edge can be used.

The steps are:
• Put gloves on for protection, lay the tooling on a flat, stable surface
• Choose the correct T20 bit -- Hex or Torx (in this case, use Torx for the spur knife)
• Separate the tool elements so only one element is being worked on safely
• Insert the Torx bit into the T20 handle
• Clean out any debris on the screw and knife so that there will be a good grip on the screw
• Unscrew by apply downward pressure firmly at 90º angle onto the wrench and screw
• Clean out any debris on the knife, screw and cutterhead
• Use a new knife or rotate the existing knife to a new desire cutting edge (notice, there is a dot on the knife as reference)
• Put the screw back on by applying at 90º angle again and in slow turning motion -- this allows the knife to be adjusted to the right spot onto the tool as the screw and knife have a matching slanted angle
• Continue to turn firmly until you hear and feel a CLICK on the T9 Torx Wrench handle

A good wrench can save fingers, time and money. A worn or stripped screw can halt a production, costing time and money.

Both T9 and T20 Torx Wrenches are available for your need.

"It starts with knowledge..."

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