Mechanical - MacDon A30-S Operator's Manual

SYMPTOM
Plugging At Delivery
Opening In Heavy Grass
Seed.
Grass Seed Windrow Too
Wide or Too Narrow.

8.2 MECHANICAL

SYMPTOM
Auger and/or Conditioner
Rolls Damaged By Stones.
Excessive Breakage Of
Sickle Sections Or Guards.
Excessive Heating Of
Hydraulic Oil.
Header Stalling In
Extremely Tall, Heavy
Crop (6+ Tons Per Acre).
Header Turns While
Unloaded But Slows Or
Stops When Starting To
Cut.
Form 169000 / 169040
SECTION 8 TROUBLESHOOTING
PROBLEM
Opening too narrow.
Pan extensions not adjusted
properly.
PROBLEM
Feed pan doesn't allow stones to
fall through.
Ground speed too high in stony
conditions.
Cutting height too low in stony
conditions.
Header angle too steep in stony
conditions.
Header flotation too heavy in
stony conditions.
Sickle speed too slow.
Guards, sickle and hold-downs
misaligned.
Relief pressure too low.
Insufficient crop clearance at rear
of feed pan.
Feeding aids for shorter, lighter
crop impede flow of heavy or
thick stemmed crops (cane,
sudan grass etc.).
Low reservoir oil level.
Defective motor.
Defective O-ring inside relief
valve.
Defective pump.
Defective relief valve.
PTO slipping on tractor.
184
SOLUTION
Move pan extensions to widest
position.
Adjust pan extensions.
SOLUTION
Lower rock-drop tines.
Reduce ground speed.
Raise cutting height with skid
shoes.
Decrease header angle.
Adjust to lighter float setting.
Maintain proper RPM on PTO.
Check for proper match of
pump and gear-drive at PTO.
Straighten guards, align hold-
downs.
Replace relief valve.
Lower rock drop tines (rear of
header pan).
Remove rubber fingers from
auger at delivery opening.
Increase roll gap.
Remove front set of stripper
bars.
Add oil to reservoir.
Repair motor.
Replace relief valve.
Repair pump.
Repair relief valve.
Repair tractor PTO system.
SECTION
6.17.16
SECTION
6.17.10
---
6.17.7
6.17.8
6.17.9
5.1
7.8.7 &
7.8.8
See
Dealer
6.17.10
7.11.6
6.17.11
7.11.7
7.7.2.3
See
Dealer
Revision D