MacDon CA25 OM - Manual (Page 132)

SECTION 8. MAINTENANCE AND SERVICING
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Revision B
8.9 SICKLE AND SICKLE DRIVE
CAUTION
To avoid personal injury, before servicing
machine or opening drive covers, follow
procedures in Section 8.1 PREPARATION
FOR SERVICING.
WARNING
Keep hands clear of the area between
guards and sickle at all times.
CAUTION
Wear heavy gloves when working around
or handling sickles.
8.9.1 Sickle Sections
Check daily that sections are firmly bolted to the
sickle back, and are not worn or broken.
Damaged or worn sections leave behind uncut
plants.
Coarse serrated sections last longer than fine
serrated sections in dirty or sandy conditions.
Fine serrated sections perform better in fine
stemmed grasses and plants that contain more
fibrous stems.
A worn or broken sickle section can be replaced
without removing sickle from cutterbar.
Replace sickle section as follows:
NOTE
Stroke sickle as required to expose
sickle.
a. Remove lock nuts (A).
b. Remove bars (B), and lift sickle section off
knife.
IMPORTANT
Do NOT mix heavy and light sickle
sections on same sickle.
c. Clean any dirt off of sickle back, and position n
new sickle section on knife.
d. Re-position bars (B), and install lock nuts (A).
e. Torque nuts to 7 ft·lbf (9.5 N·m).
A
B