214327 171 Revision B
Figure 5.90: Left Knife Drive
4. Position pry bar (A) under idler bracket (C), and push the
bracket upward until a force of 27 N (6 lbf) deflects the belt
13 mm (1/2 in.) at the midpoint of the upper span.
NOTE:
Protect the paint by placing a piece of wood (B) under pry
bar (A).
Figure 5.91: Left Knife Drive
5. After achieving the proper belt tension, tighten nuts (C) to
73–80 Nm (54–59 lbf·ft).
6. Remove pry bar (A) and wood (B).
NOTE:
Readjust the tension of a new belt after a short run-in
period (about five hours).
Figure 5.92: Left Belt Guide
7. Ensure clearance (A) between belt (B) and guide (C) is
0.5–1.5 mm (1/32–1/16 in.).
8. Loosen bolts (D) and adjust the guide if necessary.
Tighten the bolts.
9. Repeat this procedure for the opposite side of the header.
10. Close the endshield. For instructions, refer to Closing
Endshield, page 36.
MAINTENANCE AND SERVICING
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