7 Troubleshooting
7.1 Crop Loss at Cutterbar
Symptom
Problem
Solution Section
Cutterbar to
o high Lower cutterbar
3.7.1 Cuttin
g Height, page
52
Header angle too low Increase header angle
3.7.3 Header Angle, page
66
Reel too high Lower reel 3.7.8 Reel Height, page 73
Reel too far back Move reel forward
3.7.9 Reel Fore-Aft
Position, page 73
Ground speed too fast for
reel speed
Reduce ground speed or
increase reel speed
• 3.7.4 R eel Speed, page
67
• 3.7.5 Ground Speed,
page 68
Increase finger pitch
aggressiveness
3.7.11 Ree l Tine Pitch,
page 80
Does not pick up
down crop
Reel finge rs not lifting crop
sufficiently
Instal
l lifter guards
See you
r MacDon Dealer
Reel speed too fast
Reduce reel speed
3.7.4 Reel Speed, page 67
Reel t
oo low
Raise
reel
3.7.8
Reel Height, page 73
Ground speed too fast
Reduce ground speed
3.7.5 Ground Speed, page
68
Heads shattering or
breaking off
Crop too ripe
Operate at night when
humidity is highe r
—
Gr
ound speed too slow Increase ground speed
3.
7.5 Ground Speed, page
68
Reel speed too slow Increase reel speed
3.7.4 Reel Speed, page 67
R
eel too high
L
ower reel
3
.7.8 Reel Height, page 73
Cutterbar too high
Lower cutterbar
3.7.1 Cuttin g He ight, page
52
Reel too far forward
Move reel back on arms
3.7.9 Reel Fore-Aft
Position, page 73
Cutting at speeds over 6
mph (10 km/h) with high
torque (10-tooth) reel drive
sprocket
Replace w ith standard
torque (19-tooth) reel drive
sprocket
• See your MacDon Dealer
• 5.14.1 Replacing Reel
Drive Sprocket, page
372
Cut grain falling
ahead of cutterbar
Worn or broken knife
components
Replace components
5.8 Knife, page 299
147695
4
17
Revision A
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