Troubleshooting; Crop Loss At Cutterbar - MacDon D65 Operator's Manual

7 Troubleshooting

7.1 Crop Loss at Cutterbar

Symptom
Does not pick up
down crop
Heads shattering or
breaking off
Cut grain falling
ahead of cutterbar
Strips of uncut
material
169899
Problem
Cutterbar too high
Header angle too low
Reel too high
Reel too far back
Ground speed too fast for
reel speed
Reel fingers not lifting crop
sufficiently
Reel speed too fast
Reel too low
Ground speed too fast
Crop too ripe
Ground speed too slow
Reel speed too slow
Reel too high
Cutterbar too high
Reel too far forward
Cutting at speeds over 6
mph (10 km/h) with high
torque (10-tooth) reel drive
sprocket
Worn or broken knife
components
Crowding uncut crop
Broken knife sections
Solution
Lower cutterbar.
Increase header angle.
Lower reel.
Move reel forward.
Reduce ground speed or
increase reel speed.
Increase finger pitch
aggressiveness.
Install lifter guards.
Reduce reel speed.
Raise reel.
Reduce ground speed.
Operate at night when
humidity is higher.
Increase ground speed.
Increase reel speed.
Lower reel.
Lower cutterbar.
Move reel back on arms.
Replace with standard
torque (19-tooth) reel drive
sprocket.
Replace components.
Allow enough room for crop
to be fed to cutterbar.
Replace broken sections.
245
Section
4.7.1 Cutting Height, page
50
Controlling Header Angle,
page 56
4.7.8 Reel Height, page 58
4.7.9 Reel Fore-Aft
Position, page 58
4.7.4 Reel Speed, page 56
4.7.5 Ground Speed, page
57
4.7.10 Reel Tine Pitch,
page 65
See your MacDon Dealer
4.7.4 Reel Speed, page 56
4.7.8 Reel Height, page 58
4.7.5 Ground Speed, page
57
—
4.7.5 Ground Speed, page
57
4.7.4 Reel Speed, page 56
4.7.8 Reel Height, page 58
4.7.1 Cutting Height, page
50
4.7.9 Reel Fore-Aft
Position, page 58
6.9.1 Replacing Reel Drive
Sprocket, page 221
6.5 Knife, page 140
—
6.5.1 Replacing Knife
Section, page 140
Revision A