MacDon D65 Operator's Manual page 259

Symptom
Reel motion is uneven
or stalls in heavy crops
Plastic fingers cut at tip
Plastic fingers bent
rearward at tip
Plastic fingers bent
forward at tip (opposite
of above)
Plastic fingers bent
close to tine tube.
147725
TROUBLESHOOTING
Problem
Reel speed too fast
Reel fingers not
aggressive enough
Reel too low
Relief valve on windrower
has low relief pressure
setting
Low oil reservoir level on
windrower (Sometimes
more than one reservoir)
Relief valve malfunction
Cutting tough crops with
standard torque (19-tooth)
reel drive sprocket
Insufficient reel to
cutterbar clearance
Reel digging into ground
with reel speed slower
than ground speed
Reel digging into ground
with reel speed faster than
ground speed
Excessive plugging at
cutterbar with wads of crop
accumulating at cutterbar
while maintaining reel
operation
Solution
Reduce reel speed
Move to a more
aggressive finger pitch
notch
Raise reel
Increase relief pressure
to manufacturer's
recommendations
Fill to proper level
Replace relief valve
Replace with high torque
(10-tooth) or 14-tooth reel
drive sprocket
Increase clearance
Raise header
Decrease header tilt
Move reel aft
Raise header
Decrease header tilt
Move reel aft
Correct plugging/cutting
issues
Stop reel before plugging
becomes excessive
245
Section
3.7.4 Reel Speed, page
56
3.7.10 Reel Tine Pitch,
page 65
3.7.8 Reel Height, page
58
Refer to the windrower
operator's manual
5.9.3 Replacing Reel
Drive Sprocket, page 213
5.8.1 Reel Clearance to
Cutterbar, page 186
3.7.1 Cutting Height, page
49
Controlling Header Angle,
page 55
3.7.9 Reel Fore-Aft
Position, page 58
3.7.1 Cutting Height, page
49
Controlling Header Angle,
page 55
3.7.9 Reel Fore-Aft
Position, page 58
3.13 Unplugging
Cutterbar, page 84
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Revision A