MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 168)

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