Header And Drapers - MacDon D65 Operator's Manual

7.4 Header and Drapers

Use the following tables to determine the header and draper problems and the recommended repair procedure.
Problem
Symptom: Insufficient Header Lift
Low relief pressure
Symptom: Insufficient Draper Speed
Speed control set too low
Relief pressure too low
Windrower header drive too slow
Worn out gear pump
Pressure compensator (V7) set
too low
Symptom: Draper Will Not Move
Drapers are loose
Drive or idler roller wrapped with
material
Slat or connector bar jammed by
frame or material
Roller bearing seized
Low hydraulic oil
Incorrect relief setting at flow
control valve
Symptom: Draper Stalling
Material not feeding evenly off knife
Material not feeding evenly off knife
Symptom: Hesitation in Flow of Bulky Crop
Header angle too low
Material overload on drapers
Material overload on drapers
Material overload on drapers
Symptom: Drapers Back Feed
Drapers running too slow in
heavy crop
214327
TROUBLESHOOTING
Solution
Increase relief pressure
Increase control setting
Increase relief pressure to
recommended setting
Adjust to correct speed for windrower
model
Replace gear pump
Adjust to increase setting
Tighten drapers
Loosen draper and clean rollers
Loosen draper and clear obstruction
Replace roller bearing
Fill windrower reservoir to full level
Adjust relief setting
Lower reel
Install stub guards
Increase header angle
Increase side draper speed
Install upper cross auger
Add flighting extensions
Increase draper speed
263
Refer to
See your MacDon Dealer
3.7.8 Draper Speed, page 59
See your MacDon Dealer
Refer to windrower operator's manual
See your MacDon Dealer
Refer to windrower operator's manual
5.7.3 Adjusting Draper Tension, page
182
5.7.3 Adjusting Draper Tension, page
182
5.7.3 Adjusting Draper Tension, page
182
5.7.6 Side Draper Roller Maintenance,
page 189
See your MacDon Dealer
See your MacDon Dealer
3.7.10 Reel Height, page 60
•
6.2.3 Stub Guard Conversion Kit,
page 247
•
5.5.7 Knife Guards, page 142
• See your MacDon Dealer
Controlling Header Angle, page 57
3.7.8 Draper Speed, page 59
6.4.12 Upper Cross Auger, page 254
See your MacDon Dealer
3.7.8 Draper Speed, page 59
Revision B