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214323
427
Revision B
1.
Shut down the engine, and remove the key from the ignition.
2.
Open the endshield. For instructions, refer to
.
1005157
A
B
C
Figure 6.152: Untimed Knife Drive
3.
Loosen two bolts (A) securing the motor assembly to the
header endsheet.
4.
Turn adjuster bolt (B) clockwise to move the drive motor
until a force of 89 N (20 lbf) deflects belt (C) 20
–
25 mm
(3/4
–
1 in.) at the midspan.
5.
Tighten bolts (A) and the jam nut on bolt (B).
1002468
A
B
C
Figure 6.153: Untimed Knife Drive
6.
Ensure the clearance between belt (A) and belt guide (B) is
1 mm (1/32 in.).
7.
Loosen three bolts (C), and adjust the position of guide (B)
as required.
8.
Tighten three bolts (C).
9.
Close the endshield. For instructions, refer to
.
NOTE:
Readjust the tension of a new belt after a short run-in
period (about 5 hours).
10. Repeat the above steps for the opposite end on double-
knife headers.
Summary of Contents for FD75
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Page 43: ...214323 25 Revision B Figure 2 1 Header Width 1018123 A B PRODUCT OVERVIEW ...
Page 71: ...214323 53 Revision B For more information refer to Table 3 4 page 51 OPERATION ...
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