MAC215990
463
Revision A
Chapter 6: Troubleshooting
Troubleshooting tables are provided to help you diagnose and solve any problems you may have with the header.
6.1
Crop Loss at Cutterbar
Use the following tables to determine the cause of crop loss at the cutterbar and the recommended solution.
Troubleshooting
–
Crop Loss at Cutterbar
Problem
Solution
Refer to
Symptom: Does not pick up downed crop
Cutterbar too high
Lower cutterbar
•
3.9.1 Cutting off Ground, page 115
•
3.9.2 Cutting on Ground, page 118
Header angle too low
Increase header angle
Reel too high
Lower reel
Reel too far back
Move reel forward
3.9.11 Reel Fore-Aft Position, page
144
Ground speed too fast for reel speed
Increase reel speed or reduce
ground speed
•
•
Reel fingers not lifting crop sufficiently
Increase finger pitch aggressiveness
3.9.12 Reel Tine Pitch, page 152
Reel fingers not lifting crop sufficiently
Install crop lifters
MacDon Dealer
Symptom: Heads shattering or breaking off
Reel speed too fast
Reduce reel speed
Reel too low
Raise reel
Ground speed too fast
Reduce ground speed
Crop too ripe
Operate at night when humidity
is higher
—
Symptom: Material accumulating in the gap between the cut-out in endsheet and the knifehead
Crop heads leaning away from
knifehead hole in endsheet
Add knifehead shields (except in
damp or sticky soils)
3.9.8 Knifehead Shield, page 137
Symptom: Strips of uncut material
Guards plugged with debris
Install short knife guards
4.8.8 Short Knife Guards and Hold-
Downs, page 328
Broken knife sections
Replace broken sections
4.8.1 Replacing Knife Section, page
306
Symptom: Excessive bouncing at normal field speed