DR Power 3-Point Hitch Rapid-Feed - Manual (Page 39)

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• A new Chipper Knife has 1.579" measurement between the short side bevel edge and the Knife Top
Edge (Figure 45 “New Knife”).
• The knife should never be sharpened to the extent that more than 3/32" is taken off this
measurement.
• Once this measurement is below 1.485" (see Figure 45 “Sharpened Knife”), or if you are unable to
remove dents or gouges with these guidelines, replace the Knife.
Wear Plate Sharpening
The Wear Plate edges become rounded and chipped during use and must be squared off to ensure
efficient operation.
Tools Needed:
• Flat File
1. Secure the Wear Plate in a vise.
2. File the edge of the Wear Plate to take out any nicks
and to square rounded edges (Figure 46).
NOTE: If the Wear Plate is filed enough times that the proper
gap between the Knife and Wear Plate can not be set
with the Gap Gauge, You will need to replace the
Wear Plate.
Figure 46
Wear
Plate
File this
edge flat
Front View Side View
Top Edge
Short Side
Beveled Edge
Sharpened Knife
New Knife
Figure 45
Top Edge
Short Side
Beveled Edge