215651 155 Revision B
NOTE:
The procedure is the same for both ends of a timed double-knife header. Images shown are for the left end—the right
end is opposite.
2. Shut down the windrower, and remove the key from the ignition.
3. Open the endshield. For instructions, refer to Opening Endshields, page 37.
Figure 5.66: Timed Double-Knife Drive
4. Loosen two nuts (A) enough to allow idler pulleys (B)
to pivot.
Figure 5.67: Timed Double-Knife Drive
5. Loosen jam nut (C).
6. Turn flange nut (A) counterclockwise on adjuster bolt (B) to
relieve knife drive belt tension.
Figure 5.68: Knife Drive Box
7. Loosen four bolts (A) securing the knife drive box to
the mount.
8. Loosen bolt (C) securing the knife drive box locating tab (B).
MAINTENANCE AND SERVICING
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