MacDon CA25 OM - Manual (Page 81)

SECTION 7. OPERATION
169593
79
Revision B
7.9.10.3 Cam Adjustment
WARNING
Stop combine engine, and remove key
before making adjustments to machine. A
child or even a pet could engage the drive.
a. Using a 3/4 in. wrench, turn the cam latch pin
(A) counterclockwise to release the cam disc.
IMPORTANT
Secure cam position before
operating machine.
b. Use the wrench on bolt (B) to rotate cam disc,
and align latch pin (A) with desired hole (1 to 4)
at (C) in cam disc.
NOTE
Bolt (B) is through cam disc. Some
parts shown transparent for visibility.
c. Turn latch pin (A) clockwise to engage and lock
cam disc.
d. Repeat above procedure for the other reel.
C
A
B