MacDon FD75 OM - Manual (Page 62)

OPERATION
4.6.3 Optimizing Header for Straight Combining Canola
Ripe canola can be straight combined but the crop is very susceptible to shelling and subsequent seed loss. This
section provides recommended attachments, settings and adjustments to optimize FD75 headers for straight
combining canola.
The optimization process includes the following modifications to the header:
Each kit includes installation instructions and necessary hardware. Refer to 8.1 Options and Attachments, page 415 .
• Installing Full Length Upper Cross Auger.
• Installing European Adapter Seal Kit.
• Installing Vertical Knives.
• Installing Short Center Reel Braces.
• Changing to High Speed Auger Drive Sprocket.
• Adding Auger Fingers.
Table 4.1 Optimizing for Straight Combining Canola
Quantity Installed at Factory
Feeder Opening
2012 and Prior 2013 and Newer
Total Quantity for
Optimizing
56–66 in. (1422–676 mm) 25
45–55 in. (1143–1397 mm) 23
30–44 in. (762–1118 mm)
15 17
17–19
The process also includes specific settings for the header:
• Moving the reel fore-aft cylinders to the alternate aft location. Refer to Repositioning Fore-Aft Cylinders, page
153 .
• Adjusting reel fore-aft position. Refer to Adjusting Reel Fore-Aft Position, page 152 .
• Adjusting reel height so that fingers just engage the crop. Refer to 4.7.9 Reel Height, page 151 .
• Setting reel cam to position 1. Refer to Adjusting Reel Cam, page 158 .
• Setting reel speed equal to ground speed and increase as required. Refer to 4.7.5 Reel Speed, page 146 .
• Decreasing feed auger spring tension by loosening tension bolt by 1–1-3/8 in. (25–35 mm). Refer to Adjusting
Feed Auger Springs, page 48 .
• Setting side draper speed to position 9 on CA25 control. Refer to 4.7.7 Draper Speed, page 148 .
Adjusting Feed Auger Springs
The CA25 feed auger has an adjustable spring tensioning system that allows the auger to float on the crop instead
of crushing and damaging it. The tension is set at the factory setting is adequate for most crop conditions.
If necessary, adjust the auger tension springs as follows:
169894 48 Revision A