MacDon FD75 - Page 508

214323 490 Revision A
Symptom
Problem
Solution Refer to
Cut grain falling ahead
of cutterbar
Cutting at speeds over 10
km/h (6 mph) with high
torque (10-tooth) reel drive
sprocket
Replace with standard
torque (19-tooth) reel drive
sprocket
• 5.14.3 Replacing Reel
Drive Sprocket, page 465
• See your MacDon
Dealer
Cut grain falling ahead
of cutterbar
Worn or broken knife
components
Replace components
5.8 Knife, page 376
Strips of uncut material Crowding uncut crop
Allow enough room for crop
to be fed to cutterbar
—
Strips of uncut material Broken knife sections
Replace broken sections
5.8.1 Replacing Knife
Section, page 376
Excessive bouncing at
normal field speed
Float set too light
Adjust header float
3.7.2 Header Float, page
58
Divider rod running
down standing crop
Divider rods too long Remove divider rod
3.7.13 Crop Divider Rods,
page 99
Bushy or tangled crop
flows over divider rod,
builds up on endsheets
Divider rods providing
insufficient separation
Install long divider rods
3.7.13 Crop Divider Rods,
page 99
Crop not being cut
at ends
Reel not frowning or not
centered in header
Adjust reel frown or reel
horizontal position
• 3.7.10 Reel Fore-Aft
Position, page 84
• 5.13.2 Reel Frown, page
439
Crop not being cut
at ends
Knife hold-downs not
adjusted properly
Adjust hold-downs so knife
works freely, but still keep
sections from lifting
off guards
Checking and Adjusting
Knife Hold-Downs, page
386
Crop not being cut
at ends
Knife sections or guards
are worn or broken
Replace all worn and
broken cutting parts
5.8 Knife, page 376
Crop not being cut
at ends
Header is not level Level header
3.9 Levelling the Header,
page 246
Crop not being cut
at ends
Reel fingers not lifting crop
properly ahead of knife
Adjust reel position/
finger pitch
• 3.7.10 Reel Fore-Aft
Position, page 84
• 3.7.11 Reel Tine Pitch,
page 91
TROUBLESHOOTING