MacDon D60 Draper Headers - Manual (Page 149)

SECTION 9. TROUBLESHOOTING
* See your MacDon dealer.
** Refer to Windrower Operator’s Manual.
*** Refer to Windrower Technical Service Manual.
Form 169441 147 Revision B
9.4 HEADER AND DRAPERS
SYMPTOM PROBLEM SOLUTION SECTION
Header Lift Insufficient. Low relief pressure. Increase relief pressure. **
Insufficient Draper Speed.
Speed control set too low. Increase control setting. 7.12.6
Relief pressure too low.
Increase relief pressure to
recommended setting.
***
Windrower header drive too
slow. Adjust to correct speed for
windrower model.
**
Worn out gear pump. Replace pump. ***
Pressure compensator (V7) set
too low.
Adjust to increase setting. **
Draper Will Not Drive.
Drapers are loose. Tighten drapers.
8.8.1
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. 8.8.5.5
Low hydraulic oil.
Fill windrower reservoir to
full level.
**
Incorrect relief setting at flow
control valve.
Adjust relief setting. ***
Draper Stalling.
Material not feeding evenly off
sickle.
Lower reel. 7.12.8
Install stub guards.
* & 8.7.6 &
10.3
Hesitation In Flow Of Bulky
Crop.
Header angle too flat. Steepen header angle. 7.12.3
Material overload on drapers.
Increase side draper speed. 7.12.6
Install upper cross auger. 10.8
Add flighting extensions. *
Drapers Back-Feed.
Drapers running too slow in
heavy crop.
Increase draper speed.
7.12.6
Crop Is Thrown Across
Opening And Under
Opposite Side Draper.
Drapers running too fast in light
crop.
Reduce draper speed.
Material Accumulates Inside
Or Under Front Edge Of
Draper.
Deck height improperly
adjusted.
Adjust deck height. 8.8.6
Material Wrapping At Upper
Cross Auger Beater Bars. Crop conditions do not require
beater bars.
Remove beater bars. 7.20