MacDon R85 Operator's Manual page 168

Symptom Problem
Ground speed too fast Reduce ground speed.
Roll gap too large for
proper feeding
Roll gap too small
in thick stemmed
cane-type crops
Baffle set too low
Roll speed too low
Conditioner rolls
plugging
Foreign object
between rolls
Conditioner belt
slipping
Auger belt slipping
Cutting height too low
Rolls improperly timed Adjust roll timing.
Rear deflector
bypassing or dragging
crop
Forming shields
Uneven formation
improperly adjusted
and bunching of
windrow Roll gap too large
Auger belts slipping
Conditioner rolls
running too slow
Uneven windrow
formation in light Uneven feeding
crop
No cutting full header
Plugging behind
width
end cage
Ground speed too
deflectors
slow
Ground speed too fast Reduce ground speed.
Broken, bent, or dull
Not cutting short
blades
enough in down
crop
Cutting height too
high
169457
TROUBLESHOOTING
Solution
Decrease roll gap.
Increase roll gap.
Raise baffle.
Increase disc speed.
Disengage header and stop
engine. When all moving parts
are completely stopped, remove
foreign object.
Adjust belt tension.
Decrease header angle to raise
cutting height.
Adjust rear deflector for proper
crop control.
Adjust forming shield.
Adjust roll gap.
Replace belts.
Maintain rated header speed.
Reduce header speed.
Cut full header width.
Increase ground speed.
Replace blades or turn blades
over.
Adjust header angle to lower
cutting height if field conditions
allow.
160
Section
6.8 Ground Speed, page 81
6.2 Roll Gap, page 67
6.5.3 Adjusting the Swath Baffle,
page 76
6.7.3 Disc Speed, page 80
–
7.7.2 Conditioner Drive Belt,
page 142
7.7.5 Auger Drive Belt, page 150
6.6 Header Angle, page 78
6.4 Roll Timing, page 71
6.5.2 Adjusting the Rear
Deflector (Fluffer Shield), page
76
6.5 Forming Shields, page 74
6.2 Roll Gap, page 67
7.7.5 Auger Drive Belt, page 150
See windrower operator's
manual
–
6.8 Ground Speed, page 81
Replacing the Cutter Blades,
page 132
6.6 Header Angle, page 78
Rev. F