MacDon FD75 - Page 517

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Symptom
Problem
Solution Refer to
Adapter auger back-feeds
John Deere: Feeder
chain running too slow
Run feeder chain at high
speed
Refer to the combine
operator’s manual
Adapter auger back-feeds
John Deere: Equipped
with feeder chain with 4
pitches per bar
Replace with six pitch per
bar feeder chain, or
remove every other bar
Refer to the combine
operator’s manual
Adapter auger back-feeds
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
Refer to the combine
operator’s manual
Hesitation in flow of bulky
crop
Header angle too flat Steepen header angle
3.7.4 Header Angle, page
76
Hesitation in flow of bulky
crop
Material overload on
drapers
Increase side draper
speed
3.7.7 Draper Speed, page
80
Hesitation in flow of bulky
crop
Material overload on
drapers
Install upper cross
auger (UCA)
See your MacDon Dealer
Hesitation in flow of bulky
crop
Material overload on
drapers
Add flighting extensions
4.1.1 Using Flighting
Extensions, page 269
Hesitation in flow of bulky
crop
Material accumulation at
auger ends
Install stripper bars
4.1.2 Using Stripper Bars,
page 269
Hesitation in flow of bulky
crop
CASE: Stone retarder
blocks interfering with
crop flow
Adjust blocks to minimum
height
Refer to the combine
operator’s manual
Hesitation in flow of bulky
crop
Side drapers running too
fast, piling material in
center of feeder draper
Reduce header side
draper speed
3.7.7 Draper Speed, page
80
Hesitation in flow of bulky
crop
Feeder house chain drum
too low
Move drum to corn
position
Refer to the combine
operator’s manual
Adapter auger wraps crop
Crop susceptible to
wrapping (flax)
Add flighting extensions
or stripper bars
• 4.1.2 Using Stripper
Bars, page 269
• 4.1.1 Using Flighting
Extensions, page 269
Adapter auger wraps crop
Auger speed too fast
Install slow down kit
See your MacDon Dealer
Adapter auger stalling
Auger drive chain
disengaging the driven
sprocket
Check drive chain tension
5.7.2 Checking Auger
Drive Chain Tension, page
357
Combine feeder drum
wraps crop
Crop susceptible to
wrapping (flax)
Add stripper bars
4.1.2 Using Stripper Bars,
page 269
Crop backs up or
hesitates on feed draper
Feed draper stalling
Clean debris from
poly pan
—
Crop backs up or
hesitates on feed draper
Feed draper stalling
Check feed draper
tension
5.12.4 Adjusting Side
Draper Tracking, page 422
TROUBLESHOOTING