MacDon FD75 OM - Manual (Page 413)

7 Troubleshooting
7.1 Crop Loss at Cutterbar
Symptom Problem Solution Section
Cutterbar too high Lower cutterbar
4.7.1 Cutting Height, page
51
Header angle too flat Steepen header height
4.7.4 Header Angle, page
145
Reel too high Lower reel
4.7.9 Reel Height, page
151
Reel too far back Move reel forward
4.7.10 Reel Fore-Aft
Position, page 152
Ground speed too fast for
reel speed Reduce ground speed or
increase reel speed
4.7.5 Reel Speed, page
146
and 4.7.6 Ground
Speed, page 147
Increase finger pitch
aggressiveness 4.7.11 Reel Tine Pitch,
page 156
Does not pick up
down crop
Reel fingers not lifting crop
sufficiently
Install lifter guards See your MacDon Dealer
Reel speed too fast Reduce reel speed
4.7.5 Reel Speed, page
146
Reel too low Raise reel
4.7.9 Reel Height, page
151
Ground speed too fast Reduce ground speed
4.7.6 Ground Speed, page
147
Heads shattering or
breaking off
Crop too ripe
Operate at night when
humidity is higher
—
Ground speed too slow Increase ground speed
4.7.6 Ground Speed, page
147
Reel speed too slow Increase reel speed
4.7.5 Reel Speed, page
146
Reel too high Lower reel
4.7.9 Reel Height, page
151
Cutterbar too high Lower cutterbar
4.7.1 Cutting Height, page
51
Reel too far forward Move reel back on arms
4.7.10 Reel Fore-Aft
Position, page 152
Cutting at speeds over 6
mph (10 km/h) with high
torque (10-tooth) reel drive
sprocket
Replace with standard
torque (19-tooth) reel drive
sprocket
See your MacDon Dealer
Cut grain falling
ahead of cutterbar
Worn or broken knife
components
Replace components
6.8 Knife and Knife Drive,
page 300
169894 399 Revision A