MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers - Manual (Page 167)

8 Troubleshooting
8.1 Mower Performance
Symptom Problem Solution Section
Dull, bent, or badly
worn blades
Replace blades.
Replacing the Cutter Blades,
page 132
Auger drive belt
slipping
Conditioner drive belt
slipping
Adjust Tension. Change belts.
7.7.5 Auger Drive Belt, page
150
and 7.7.2 Conditioner Drive
Belt, page 142 Cutterbar
plugging
Decrease header angle and
increase float. In some
conditions, it may be necessary
to carry header slightly with
header lift cylinders.
Built-up of dirt
between rock guards
Decrease header angle and
increase float.
6.6 Header Angle, page 78 and
6.1 Header Float, page 65
Bent cutter blades Replace blades.
Replacing the Cutter Blades,
page 132
Excessive header
speed
Reduce header disc speed. 6.7.3 Disc Speed, page 80
Foreign object on
cutterbar
Disengage header and stop
engine. When all moving parts
are completely stopped, remove
foreign object.
6.15 Unplugging the Header,
page 98
Strips of uncut
crop left on field
Ground speed too
slow
Increase ground speed. 6.8 Ground Speed, page 81
Cutting height
varies from one
side to the other
Float not properly
balanced
Adjust header float. 6.1 Header Float, page 65
Header float too light
causing bouncing
Adjust to heavier float setting. 6.1 Header Float, page 65
Excessive ground
speed
Reduce ground speed. 6.8 Ground Speed, page 81
Header angle too flat
for guards to pick up
down crop
Increase header angle.
Ragged or uneven
cutting of crop
Downed crop
Adjust header angle to cut closer
to ground.
6.6 Header Angle, page 78
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