MacDon FlexDraper FD1 Series, Operator'S Manual, Page: 351 / 510

MAINTENANCE AND SERVICING
6. Loosen two nuts (B).
7. Using the adjuster bolt (A), set clearance (C) to 13/16
to 1-1/16 in. (20.5 to 26.5 mm) if feed auger is in
rigid position, and 3/8 to 5/8 in. (9 to 15 mm) if feed
auger is in
fl oating position. Turn bolt clockwise to
increase clearance and counterclockwise to decrease
clearance.
NOTE:
The clearance increases between 1 and 1-1/2 in.
(25–40 mm) when the center-link is fully retracted.
8. Repeat Step
6., page 333
and Step
7., page 333
for
the opposite end of the auger.
IMPORTANT:
Adjusting one side of the auger can affect the other
side so recheck both sides after
fi nal adjustment
is made.
9. Tighten nuts (B) on both ends of the feed auger. Torque
the nuts to 68–73 ft · lbf (93–99 N · m).
Figure 5.50: Auger Clearance
5.7.2 Adjusting Auger Drive Chain Tension
The auger is chain-driven by the fl oat module drive system sprocket attached to the side of the auger.
DANGER
To avoid bodily injury or death from unexpected start-up of machine, always stop engine and remove key
from ignition before leaving operator’s seat for any reason.
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Revision A