MacDon CA20 Operators Manual - Manual (Page 96)

TROUBLESHOOTING
* See your MacDon dealer
** Refer to Combine Operator’s Manual
*** Refer to Adapter Technical Manual
**** Refer to D60 Harvest Header/FD70 FlexDraper Operator’s Manual
Form 169009
94 Model Year - 2009
9 TROUBLESHOOTING
9.1 HYDRAULICS
SYMPTOM PROBLEM SOLUTION SECTION
Insufficient Side Draper Speed
Speed control set too low. Increase control setting.
7.3.7
Relief pressure too low.
Increase relief pressure to
recommended setting.
***
Combine header drive too slow
Adjust to correct speed for
combine model
**
Worn out gear pump. Replace pump. *
Pressure compensator (V7) set too
low.
Adjust to increase setting. ***
9.2 FEEDING
SYMPTOM PROBLEM SOLUTION SECTION
Adapter Auger Back-Feeds.
Check reversing mechanism
inside auger.
*
Auger set too high. Lower auger. 8.10.1
John Deere: Feeder chain running
too slow.
Run feeder chain at high speed.
**
John Deere: Equipped with feeder
chain with 4 pitches per bar.
Replace with 6 pitch per bar
feeder chain, or remove every
other bar.
**
Case: Stone retarding drum
installed, or smooth feeder chain
bars installed.
Install standard drum or fill slots
in stone retarding drum, or install
serrated feed chain bars.
**
Hesitation In Flow Of Bulky
Crop.
Header angle too flat. Steepen header angle. **
Material overload on drapers. Increase side draper speed. 7.3.7
Install upper cross auger. *
Add flighting extensions. *
Material accumulation at auger
ends.
Install stripper bars. *
Case: Stone retarder blocks
interfering with crop flow.
Adjust blocks to minimum height. **
Side drapers running too fast, piling
material in center of feeder draper.
Reduce header side draper
speed.
7.3.7
Feed chain drum too low. Move drum to corn position. **
Adapter Auger Wraps Crop. Crop susceptible to wrapping (flax). Add flighting extensions or
stripper bars.
*
Auger speed too fast. Install slow down kit. *
Combine Feeder Drum Wraps
Crop.
Crop susceptible to wrapping (flax). Add stripper bars. *
Crop Backs Up Or Hesitates On
Feed Draper.
Feed draper stalling. Clean debris from poly pan. --
Check feed draper tension. 8.12.1
Replace roller bearing(s). ***
Check feed draper motor. *