MAINTENANCE

BED KNIFE SHARPENING

Each bed knife is provided with two cutting edges. When the exposed edges become blunt, the knives can be turned over and repositioned to present the new cutting edges.

It is not necessary to grind bed knives to the closely matched tolerance of the rotor knives and as with the rotor knives, small nicks in the cutting edges will not seriously affect knife cutting efficiency. Bed knives smaller than the minimum dimension shown must be replaced along with their fasteners.

It is important to note that the minimum dimensions given for the rotor knife and bed knife cannot be combined simultaneously to produce a cutting combination. The grinding charts shown below and on the previous page indicate the rotor knife and bed knife combinations that will work for each type of rotor knife.

EXAMPLE: A 55° land rotor knife with a 4.200 inch " A " dimension will work only with bed knives having an "E" dimension of 0.730 or more.

NOTE: Replacement knife sets and knife re-sharpening services are available from Cumberland Engineering. Contact the Customer Service Department at 508-399- 6400 or 800-229-2919.

SECTION 6-15

Knife Sharpening

93

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Image 93
Sterling D48160s manual BED Knife Sharpening