MacDon FD70 for Combine Operators - Manual (Page 201)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
199
Revision D
10.14.6 Reel Drive Chain: D50
10.14.6.1 Tension Adjustment
DANGER
To avoid bodily injury from fall of raised reel,
always engage reel props before going under
raised reel for any reason.
a. Lower header, raise reel, and engage reel props.
b. Remove six screws (A), and remove cover (B).
c. The tension on the chain (C) should be such that
hand force deflects the chain 1/8 inch (3 mm) at
mid-span.
d. To adjust the tension, loosen four bolts (D).
e. Slide motor and motor mount (E) until the
required tension is achieved.
f. Tighten bolts (D) to 75 ft·lbf (102 N·m).
g. Re-install drive cover.
10.14.6.2 Removal: Drive Chain
DANGER
To avoid bodily injury from fall of raised reel,
always engage reel props before going under
raised reel for any reason.
a. Remove reel drive cover. Refer to previous
section.
b. Loosen drive chain (C) by loosening bolts (D),
and sliding motor and motor mount (E) down
towards reel shaft.
c. Remove chain.
10.14.6.3 Installation: Drive Chain
a. Position chain (C) around sprockets as shown.
b. Slide the motor and motor mount (E) until the
tension on the chain is such that hand force
deflects the chain 1/8 in. (3 mm) at mid-span.
c. Tighten nuts (D), and re-check tension.
d. Re-install drive cover.
A
B
C
D
D
E