MacDon FlexDraper FD1 Series Operator's Manual page 513

6. Ensure the idler roller (A) is between the draper
guides (B).
NOTE:
The drapers are tensioned at the factory and rarely
need adjustment. If adjustment is required, tension the
drapers just enough to prevent slipping and to keep the
draper from sagging below the cutterbar.
IMPORTANT:
Do NOT adjust nut (C). This nut is used for draper
alignment only.
7. To loosen the adjuster bolt (A), turn it counterclockwise.
The white indicator bar (B) will move outboard in the
direction of arrow (D) to indicate that the draper is
loosening. Loosen until the white indicator bar is at the
halfway point in the window.
8. To tighten the adjuster bolt (A), turn it clockwise. The
white indicator bar (B) will move inboard in the direction
of arrow (E) to indicate that the draper is tightening.
Tighten until the white indicator bar is at the halfway
point in the window.
IMPORTANT:
• To avoid premature failure of the draper, draper
rollers, and/or tightener components, do not operate
with the tension set so the white bar is not visible.
• To prevent scooping dirt, ensure the draper is tight
enough that it does not sag below the point where
the cutterbar contacts the ground.
214683
MAINTENANCE AND SERVICING
Figure 5.190: Idler Roller
Figure 5.191: Left Side Tension Adjuster
Shown – Right Side Opposite
489
A
B
D
C
B
E
A
Revision A