Chapter 7: Troubleshooting; Crop Loss At Cutterbar - MacDon D65 Operator's Manual

Chapter 7: Troubleshooting

Troubleshooting tables are provided to help you diagnose and solve any problems you may have with the header.

7.1 Crop Loss at Cutterbar

Use the following tables to determine the cause of crop loss at the cutterbar and the recommended solution.
Problem
Symptom: Does Not Pick Up Down Crop
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 fingers not lifting crop sufficiently
Symptom: Heads Shattering or Breaking Off
Reel speed too fast
Reel too low
Ground speed too fast
Crop too ripe
Symptom: Cut Grain Falling Ahead of Cutterbar
Ground speed too slow
Reel speed too slow
Reel too high
Cutterbar too high
Reel too far forward
Cutting at speeds over 10 km/h
(6 mph) with high torque (10-tooth)
reel drive sprocket
Worn or broken knife components
Symptom: Strips of Uncut Material
Crowding uncut crop
Broken knife sections
Symptom: Excessive Bouncing at Normal Field Speed
Float set too light
Symptom: Divider Rod Running Down Standing Crop
Divider rods too long
Symptom: Bushy or Tangled Crop Flows over Divider Rod, Builds Up on Endsheets
214327
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
Replace with standard torque
(19-tooth) reel drive sprocket
Replace knife components
Allow enough room for crop to be fed
to cutterbar
Replace broken sections
Adjust header float
Remove divider rods
257
Refer to
3.7.1 Cutting Height, page 52
Controlling Header Angle, page 57
3.7.10 Reel Height, page 60
3.7.11 Reel Fore-Aft Position, page 61
•
3.7.6 Reel Speed, page 58
•
3.7.7 Ground Speed, page 58
3.7.12 Reel Tine Pitch, page 68
See your MacDon Dealer
3.7.6 Reel Speed, page 58
3.7.10 Reel Height, page 60
3.7.7 Ground Speed, page 58
—
3.7.7 Ground Speed, page 58
3.7.6 Reel Speed, page 58
3.7.10 Reel Height, page 60
3.7.1 Cutting Height, page 52
3.7.11 Reel Fore-Aft Position, page 61
•
5.9.3 Replacing Reel Drive
Sprocket, page 232
• See your MacDon Dealer
5.5 Cutterbar, page 138
—
5.5.1 Replacing Knife Section, page
138
3.7.4 Header Float, page 57
3.7.14 Crop Divider Rods, page 76
Revision B