MacDon CA25 OM - Manual (Page 164)

SECTION 8. MAINTENANCE AND SERVICING
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162
Revision B
8.12.4.5 Drive Chain Replacement: Single Reel
Standard Torque Drive
a. Lower header and reel, shut down combine,
and remove key from ignition.
b. Remove four screws (A), and remove reel drive
cover (B)
c. Loosen bolts (C). Slide motor (D) and motor
mount (E) down towards reel shaft.
d. Remove chain (F).
e. Position new chain (F) around sprockets.
f. Slide motor (D) and motor mount (E) until
tension on chain (D) is such that hand force
deflects the chain 1/8 inch (3 mm) at mid-span.
g. Tighten nuts (A), and re-check tension.
h. Re-install drive cover.
A
B
C
C
E
F
D
E