MacDon R85 - Chapter 7: Troubleshooting; 7.1 Header Performance

214366 179 Revision A
7 Troubleshooting
7.1 Header Performance
Symptom
Problem
Solution Refer to
Cutterbar plugging
Dull, bent, or badly
worn blades
Replace blades.
Replacing the Cutterblades,
page 144
Cutterbar plugging
Auger drive belt
slipping
Adjust tension or change
belts.
5.4.5 Auger Drive Belt, page 166
and 5.4.2 Conditioner Drive Belt,
page 159
Cutterbar plugging
Conditioner drive
belt slipping
Adjust tension or change
belts.
5.4.5 Auger Drive Belt, page 166
and 5.4.2 Conditioner Drive Belt,
page 159
Cutterbar plugging
Built-up of dirt
between rock
guards
Decrease header angle
and increase float. In
some conditions, it may
be necessary to carry
header slightly with
header lift cylinders.
4.6 Header Angle, page 97 and
4.1 Header Float, page 81
Strips of uncut crop left on
field
Built-up of dirt
between rock
guards
Decrease header angle
and increase float.
4.6 Header Angle, page 97 and
4.1 Header Float, page 81
Strips of uncut crop left on
field
Bent cutter blades Replace blades.
Replacing the Cutterblades,
page 144
Strips of uncut crop left on
field
Excessive header
speed
Reduce header disc
speed.
4.8 Disc Speed, page 100
Strips of uncut crop left on
field
Foreign object on
cutterbar
Disengage header and
stop the engine. When all
moving parts are
completely stopped,
remove foreign object.
4.16 Unplugging the Header,
page 119
Strips of uncut crop left on
field
Ground speed too
slow
Increase ground speed.
4.9 Ground Speed, page 101
Cutting height varies from
one side to the other
Float not properly
balanced
Adjust header float.
4.1 Header Float, page 81
Ragged or uneven cutting
of crop
Header float too
light causing
bouncing
Adjust to heavier float
setting.
4.1 Header Float, page 81
Ragged or uneven cutting
of crop
Excessive ground
speed
Reduce ground speed.
4.9 Ground Speed, page 101
Ragged or uneven cutting
of crop
Header angle too
flat for guards to
pick up down crop
Increase header angle. 4.6 Header Angle, page 97
Ragged or uneven cutting
of crop
Downed crop
Adjust header angle to
cut closer to ground.
4.6 Header Angle, page 97