MacDon R80 Rotary Disc - Manual (Page 95)

TROUBLESHOOTING
Form # 169089
93
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.
6.12.3 &
6.12.4
Lift roll drive belt slipping. Change belts. 7.9.5.1
Cutterbar Plugging
Conditioner drive belt slipping. Adjust conditioner drive belt
tension.
7.9.3.1
Ragged Or Uneven Cutting Of
Crop.
Header angle too flat for guards
to pick up down crop.
Increase header angle.
6.12.3
Header flotation too light,
causing bouncing.
Adjust to heavier float setting.
6.12.4
Excessive ground speed. Reduce ground speed. 6.12.8
Downed crop. Adjust header angle to cut
closer to ground.
6.12.3
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.
6.12.3 &
6.12.4
Ground speed too slow. Increase ground speed. 6.12.8
Excessive header speed. Reduce header disc speed. 6.12.1
Foreign object on cutterbar. Disengage header and stop
engine. When all moving
parts are completely stopped,
remove foreign object.
6.10
Conditioners Plugging. Ground speed too fast. Slow down. 6.12.8
Roll gap too large for proper
feeding.
Decrease roll gap.
6.12.5
Roll gap too small in thick
stemmed cane-type crops.
Increase roll gap.
6.12.5
Baffle set too low. Raise baffle. 6.12.7
Roll speed too low. Increase disc speed. 6.12.1
Foreign object between rolls. Disengage header and stop
engine. When all moving
parts are completely stopped,
remove foreign object.
--