MacDon R80 Rotary Disc Pull-Type Windrower - Manual (Page 117)

TROUBLESHOOTING
Form # 169053
115
Model Year - 2009
8 TROUBLESHOOTING
8.1 MOWER PERFORMANCE
SYMPTOM PROBLEM SOLUTION SECTION
Dull, bent, or badly worn blades. Replace blades. 7.8.4.3
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.
6.13.2 &
6.13.3
Lift roll drive belt slipping. Change belts. 7.9.7
Cutterbar Plugging.
Conditioner drive belt slipping. Adjust conditioner drive belt
tension.
7.9.5
Rolls Plugging. Ground speed too fast. Reduce Ground Speed. 6.13.7
Roll gap too large for proper
feeding.
Decrease roll gap.
6.13.4
Roll gap too small in thick
stemmed cane-type crops.
Increase roll gap.
6.13.4
Baffle set too low. Raise baffle. 6.13.6.3
Rolls improperly timed. Adjust roll timing. 6.13.4.2
Roll speed too low. Maintain rated header speed. 6.13.7
Foreign object between rolls. Disengage header and stop
engine. When all moving
parts have completely
stopped, remove foreign
object.
6.14
Cutting height too low. Decrease header angle to
raise cutting height.
6.13.2
Backing into windrow. Raise header before backing
up.
-
Plugging Behind End
Hourglass Deflectors.
Ground speed too slow. Increase ground speed.
6.13.7
Ragged Or Uneven Cutting Of
Crop.
Header flotation too light,
causing bouncing.
Adjust to heavier float setting.
6.13.3
Excessive ground speed. Reduce ground speed. 6.13.7
Downed crop. Adjust header angle to cut
closer to ground.
6.13.2
Strips Of Uncut Crop Left On
Field.
Bent cutter blades. Replace blades.
7.8.4.3
Build-up of dirt between rock
guards.
Decrease header angle and
increase flotation.
6.13.2 &
6.13.3