MacDon FD70 for Combine Operators - Manual (Page 198)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
196
Revision D
10.14.5.2 Replacing Drive Chain: D60 Single
Reel
DANGER
To avoid bodily injury from fall of raised reel,
always engage reel props before going under
raised reel for any reason.
Removal
a. Remove reel drive cover. Refer to previous
section.
b. Loosen bolts (A). Slide motor (B) and motor
mount (C) down towards reel shaft.
c. Remove chain (D).
Installation
a. Position chain around sprockets as shown
opposite.
b. Slide motor (B) and motor mount (C) until tension
on chain (D) is such that hand force deflects the
chain 1/8 inch (3 mm) at mid-span.
c. Tighten nuts (A), and re-check tension.
d. Re-install drive cover.
10.14.5.3 Replacing Drive Chain: D60, FD70
Double Reel
Removal
a. Remove reel drive cover. Refer to previous
section.
b. Loosen six bolts (F).
c. Slide motor (G) and motor mount (H) down
towards reel shaft to loosen chain.
The endless chain (E) can be replaced by:
 Method 1 - By disconnecting the reel drive,
OR
 Method 2 - By breaking the chain and
installing a new chain with a connector link.
Method 1 is preferred because the chain integrity
is not affected.
(continued next page)
F
E
G
H
F
A
A
B
C
D