MacDon FD70 for Combine Operators - Manual (Page 229)

SECTION 11. TROUBLESHOOTING
* See your MacDon Dealer.
** Refer to Combine Operator’s Manual.
*** Refer to Draper Header Technical Manual
Form 169006
227
Revision D
11.4 HEADER AND DRAPERS
SYMPTOM PROBLEM SOLUTION SECTION
Header Lift Insufficient. Low relief pressure. Increase relief pressure. **
Insufficient Side Draper
Speed.
Speed control set too low. Increase control setting. 9.11.7
Relief pressure too low.
Increase relief pressure to
recommended setting.
***
Worn out gear pump. Replace pump.
Combine header drive too slow.
Adjust to correct speed for
combine model.
**
Pressure compensator (V7) set
too low.
Adjust to increase setting.
Draper Will Not Drive.
Drapers are loose. Tighten drapers.
10.13.1
Drive or idler roller wrapped
with material. Loosen draper and clean
rollers.
Slat or connector bar jammed
by frame or material. Loosen draper and clear
obstruction.
Roller bearing seized. Replace. 10.13.4
Low hydraulic oil. Fill reservoir to full level. 10.6.1.2
Incorrect relief setting at flow
control valve.
Adjust relief setting. ***
Draper Stalling.
Material not feeding evenly off
sickle.
Lower reel. 9.11.9
Install stub guards.
*, 10.11.6
& 10.11.7
& 12.7
Adapter Auger Back-Feeds.
Auger set too high.
Check reversing mechanism
inside auger.
***
Lower auger. 10.9.1
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. 9.11.4
Material overload on drapers.
Increase side draper speed. 9.11.7
Install upper cross auger. *
Add flighting extensions. 7.1.2
Material accumulation at auger
ends.
Install stripper bars. 7.1.3