Troubleshooting; Mower Performance - MacDon R85 Operator's Manual

8 Troubleshooting

8.1 Mower Performance

Symptom Problem
Dull, bent, or badly
worn blades
Auger drive belt
slipping
Conditioner drive belt
Cutterbar
slipping
plugging
Built-up of dirt
between rock guards
Bent cutter blades
Excessive header
Strips of uncut speed
crop left on field
Foreign object on
cutterbar
Ground speed too
slow
Cutting height
Float not properly
varies from one
balanced
side to the other
Header float too light
causing bouncing
Excessive ground
speed
Ragged or uneven
Header angle too flat
cutting of crop
for guards to pick up
down crop
Downed crop
169457
Solution
Replace blades.
Adjust Tension. Change belts.
Decrease header angle and
increase float. In some
conditions, it may be necessary
to carry header slightly with
header lift cylinders.
Decrease header angle and
increase float.
Replace blades.
Reduce header disc speed.
Disengage header and stop
engine. When all moving parts
are completely stopped, remove
foreign object.
Increase ground speed.
Adjust header float.
Adjust to heavier float setting.
Reduce ground speed.
Increase header angle.
Adjust header angle to cut closer
to ground.
159
Section
Replacing the Cutter Blades,
page 132
7.7.5 Auger Drive Belt, page
150 and 7.7.2 Conditioner Drive
Belt, page 142
6.6 Header Angle, page 78
6.1 Header Float, page 65
Replacing the Cutter Blades,
page 132
6.7.3 Disc Speed, page 80
6.15 Unplugging the Header,
page 98
6.8 Ground Speed, page 81
6.1 Header Float, page 65
6.1 Header Float, page 65
6.8 Ground Speed, page 81
6.6 Header Angle, page 78
and
Rev. F