MacDon CA25 OM - Manual (Page 165)

SECTION 8. MAINTENANCE AND SERVICING
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Revision B
8.12.5 Reel Drive Sprocket
8.12.5.1 Sprocket Replacement: Double Reel
Standard Torque and Single Reel
High Torque Drive
a. Lower header and reel, shut down combine,
and remove key from ignition.
b. Remove reel drive cover(s):
1. Double Reel: Remove six screws (A), and
remove upper cover (B).
2. Single Reel High Torque: Remove four
screws (C), and remove cover (D).
c. Release tension on chain (E). Refer to Section
8.12.4.1 Tension Adjustment: High Torque
Drive.
d. If STANDARD TORQUE drive:
1. Remove bolt (F), lock washer, and flat
washer (G).
2. Remove speed sensor disc (H) (if installed).
e. If HIGH TORQUE drive:
1. Remove cotter pin (J) and slotted nut (K).
2. Remove speed sensor disc (H) (if installed).
(continued next page)
H
G
E
F
H
K
E
J
C
D
B
A