18 DR
®
PRO CHIPPER SHREDDER
Knife Sharpening
• You should never attempt to sharpen the Chipper Knife freehand; take the Knife to a machine shop for proper sharpening.
• It is extremely important to consistently maintain the 45-degree angle for proper performance.
• Excessive heat generated during the sharpening process will damage Knives and weaken the metal.
• How many times a Knife can be sharpened is determined by how much material needs to be taken off to sharpen or to
compensate for dents or gouges.
• A new Chipper Knife has a 5/16" measurement between the short side bevel edge and the Knife mounting holes (Figure 16).
• The knife should never be sharpened to the extent that more than 3/32" is taken off this measurement.
• Once this measurement is below 7/32" (Figure 17), or if you are unable to remove dents or gouges with these guidelines,
replace the Knife.
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