MacDon FD75 OM - Manual (Page 303)

MAINTENANCE AND SERVICING
1. Detach header from combine. For instructions, refer to
5 Header Attachment/Detachment, page 189 .
2. Remove the six bolts (A) that secure the top cover on
the auger chain case.
3. Remove the three bolts (B) and loosen two bolts (E)
that secure the bottom cover.
4. Remove cover retainer (F).
5. Rotate covers (C) and (D) forward to remove.
Figure 6.65: Auger Drive
6. Loosen idler sprocket bolt (A), and raise sprocket (B)
to uppermost position to release tension on chain.
Tighten bolt (A) to hold sprocket.
Figure 6.66: Auger Drive
169894 289 Revision A