MacDon FlexDraper FD1 Series Operator's Manual page 451

2. Place drive sprocket (A) into chain (B) and align the
sprocket onto the shaft.
NOTE:
The shoulder of drive sprocket (A) should face
the auger.
3. Slide the auger drum assembly toward the casting, and
then reinstall the two bolts and nuts (A).
4. Remove the blocks from under the auger.
5. Rotate the auger in reverse to take up the slack in the
lower strand of the chain.
IMPORTANT:
Do NOT loosen the thin nut (C) on the inboard side of
the idler sprocket spindle.
6. Turn the adjuster thumbscrew (D) clockwise to move
the idler sprocket (B) until it is FINGER TIGHT ONLY.
NOTE:
Do NOT overtighten.
7. Tighten the idler nut (A) and torque to 258–271 Nm
(190–200 lbf∙ft).
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MAINTENANCE AND SERVICING
Figure 5.62: Auger Drive (Left Side)
Figure 5.63: Auger Drive (Left Side)
Figure 5.64: Auger Drive (Left Side)
427
B
A
D
B
A
C
A
Revision A