MacDon FD75 OM - Manual (Page 421)

TROUBLESHOOTING
Symptom Problem Solution Section
Check reversing
mechanism inside auger Refer to your combine
operator’s manual
Auger set too high
Lower auger
6.7.1 Adjusting Auger to
Pan Clearance, page 286
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
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 your combine
operator’s manual
Header angle too flat Steepen header angle
4.7.4 Header Angle, page
145
Increase side draper
speed 4.7.7 Draper Speed, page
148
Install upper cross auger See your MacDon Dealer
Material overload on
drapers
Add flighting extensions
5.1.1 Using Flighting
Extensions, page 189
Material accumulation at
auger ends
Install stripper bars
5.1.2 Using Stripper Bars,
page 189
CASE: Stone retarder
blocks interfering with
crop flow
Adjust blocks to minimum
height Refer to your combine
operator’s manual
Side drapers running too
fast, piling material in
center of feeder draper
Reduce header side
draper speed 4.7.7 Draper Speed, page
148
Hesitation in flow of
bulky crop
Feeder house chain drum
too low Move drum to corn
position Refer to your combine
operator’s manual
Crop susceptible to
wrapping (flax) Add flighting extensions or
stripper bars
5.1.1 Using Flighting
Extensions, page 189
and
5.1.2 Using Stripper Bars,
page 189
Adapter auger wraps
crop
Auger speed too fast Install slow down kit See your MacDon Dealer
Combine feeder drum
wraps crop Crop susceptible to
wrapping (flax)
Add stripper bars
5.1.2 Using Stripper Bars,
page 189
169894 407 Revision A