5.Loosen and remove the knife bolts and lift the knife off the knife seat removing it from the cutting chamber.
6.Perform the above steps until all the rotor knives are removed.
NOTE: Before replacing the rotor knife with new or sharpened knives, wipe the knife seats on the rotor, being sure to clean off all process material. The tapped holes in the rotor (used for holding the knives in place) should be clear of any dirt, oil, or process material.
7.Loosen the bed knife bolts and adjusting screws, and pull back the bed knife so that the rotor knives will collide as they are installed and rotated.
8.Install new or sharpened knives on each knife seat, making sure that the rotor is still blocked to prevent it from rotating while installing each knife.
9.Before
10.Tighten each set of the knife bolts; making sure that the knife is seated against the back heel in the rotor seat. Before torquing the bolts, check that a 0.001” feeler gage cannot fit between the heel and the back of the knife.
11.Torque the rotor knife bolts to 100 Lbs./ft. (14 Kgm, 135 Nm).
12.Adjust the knife gap with the bed knives and close the machine, following Steps
6-7 Specifications for Re-sharpening Bed Knives
Every bed knife has two cutting edges, one on each side. When a blade becomes worn, the knives can be rotated. To regrind these knives, refer to the data shown in Figure 17. Replacement of these knives is necessary when their length falls below the recommended tolerance.
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