MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header - Manual (Page 155)

8 Troubleshooting
8.1 Mower Performance
Symptom Problem Solution Section
Dull, bent, or badly
worn blades
Replace blades.
Replacing the Cutter Blades,
page 124
Build-up of dirt
between rock guards
Decrease header angle and
increase flotation. In some
conditions, it may be necessary
to carry header slightly with
header lift cylinders.
6.6 Header Angle, page 79 and
6.1 Header Float, page 67
Cutterbar plugging
Conditioner drive belt
slipping Adjust conditioner drive belt
tension. Replacing the Conditioner Drive
Belt, page 140
Header angle too flat
for guards to pick up
down crop
Increase header angle.
Downed crop
Adjust header angle to cut closer
to ground.
6.6 Header Angle, page 79
Header flotation
too light, causing
bouncing
Adjust to heavier float setting. 6.1 Header Float, page 67
Ragged or uneven
cutting of crop
Excessive ground
speed
Reduce ground speed. 6.9 Ground Speed, page 82
Bent cutter blades Replace blades.
Replacing the Cutter Blades,
page 124
Build-up of dirt
between rock guards Decrease header angle and
increase flotation. 6.6 Header Angle, page 79 and
6.1 Header Float, page 67
Excessive header
speed
Reduce header disc speed. 6.8 Disc Speed, page 81
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 90
Disc not turning Replace spindle key.
Replacing a Spindle Key, page
133
Strips of uncut
crop left on field
Ground speed too
slow
Increase ground speed. 6.9 Ground Speed, page 82
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