MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header User Manual
Page 156

Symptom
Problem
Solution
Section
Ground speed too fast Reduce ground speed.
Roll gap too large for
proper feeding
Decrease roll gap.
Roll gap too small
in thick-stemmed
cane-type crops
Increase roll gap.
6.2.2 Adjusting the Roll Gap,
page 70
Swath baffle set too
low
Raise swath baffle.
6.5.3 Adjusting the Swath Baffle,
page 77
Roll speed too low
Increase disc speed.
Foreign object
between rolls
Disengage header and stop
engine. When all moving parts
are completely stopped, remove
foreign object.
6.15 Unplugging the Header,
page 90
Cutting height too low
Decrease header angle to raise
cutting height.
Backing into windrow
Raise header before backing up. —
Conditioner rolls
plugging
Rolls improperly timed Adjust roll timing.
6.4.2 Adjusting the Roll Timing,
page 74
Rear deflector
bypassing or dragging
crop
Adjust rear deflector for proper
crop control.
6.5.2 Adjusting the Rear
Deflector (Fluffer Shield), page
77
Forming shields
improperly adjusted
Adjust forming shields.
Roll gap too large
Adjust roll gap.
6.2.2 Adjusting the Roll Gap,
page 70
Uneven formation
and bunching of
windrow
Conditioner rolls
running too slow
Maintain rated header speed.
Uneven windrow
formation in light
crop
Uneven feeding
Reduce header speed.
See windrower operator’s
manual
Plugging behind
end hourglass
deflectors
Ground speed too
slow
Increase ground speed.
Ground speed too fast Reduce ground speed.
Broken, bent, or dull
blades
Replace blades or turn blades
over.
Replacing the Cutter Blades,
page 124
Not cutting short
enough in down
crop
Cutting height too
high
Adjust header angle steeper
to lower cutting height if field
conditions allow.
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Rev. E