MacDon CA25 OM - Manual (Page 190)

SECTION 9. TROUBLESHOOTING
* See your MacDon Dealer
** Refer to your Combine Operator’s Manual
*** Refer to your Technical Service Manual
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Revision B
(continued next page)
SYMPTOM PROBLEM SOLUTION SECTION
Excessive Vibration Of
Adapter And Header.
Incorrect knife speed. Adjust knife speed. 7.9.7
Driveline U-joints worn. Replace U-joints. ***
Bent cutterbar. Straighten cutterbar. *
Excessive Breakage Of
Sickle Sections Or Guards.
Sickle hold-downs not adjusted
properly.
Adjust hold-downs. 8.9.7
Cutterbar operating too low in
stony conditions. Raise cutterbar, using skid
shoes.
7.9.1.2
Float is set too heavy.
Adjust float springs for
lighter float.
7.9.2
Bent or broken guard. Straighten or replace. 8.9.6
Header angle too steep. Flatten header angle. 7.9.3
Sickle Back Breakage.
Bent or broken guard. Straighten or replace. 8.9.6
Worn sickle head pin.
Replace.
8.9.3
Dull sickle.
8.9.2 &
8.9.4
9.3 REEL DELIVERY
SYMPTOM PROBLEM SOLUTION SECTION
Reel Not Releasing Material
in Normal Standing Crop.
Reel speed too fast. Reduce reel speed. 7.9.4
Reel too low. Raise reel. 7.9.8
Reel tines too aggressive. Reduce cam setting. 7.9.10
Reel too far back. Move reel forward. 7.9.9
Reel Not Releasing Material
in Lodged and Standing Crop
(Reel Fully Lowered).
Reel tines too aggressive for
standing crop.
Reduce cam setting (1 or 2).
7.9.10
Wrapping On Reel End.
Reel tines too aggressive. Reduce cam setting.
Reel too low. Raise reel.
7.9.8
Reel speed too fast. Reduce reel speed.
7.9.4
Crop conditions. Install optional endshields.
* & 10.8
Reel not centered in header. Center reel in header.
8.12.3