Header And Drapers - MacDon D65 Operator's Manual

7.4 Header and Drapers

Symptom
Header lift insufficient
Insufficient draper
speed
Draper will not move
Draper stalling
Hesitation in flow of
bulky crop
147725
TROUBLESHOOTING
Problem
Low relief pressure
Speed control set too low
Relief pressure too low
Windrower header drive
too slow
Worn out gear pump
Pressure compensator
(V7) set too low
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
Material not feeding
evenly off knife
Header angle too low
Material overload
on drapers
Solution
Increase relief pressure
Increase control setting
Increase relief pressure to
recommended setting
Adjust to correct speed for
windrower model
Replace pump
Adjust to increase setting
Tighten drapers
Loosen draper and clean
rollers
Loosen draper and clear
obstruction
Replace
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
246
Section
See your MacDon Dealer
3.7.6 Draper Speed, page
57
See your MacDon Dealer
Refer to the windrower
operator's manual
See your MacDon Dealer
Refer to your windrower
operator's manual
5.7.3 Adjusting Draper
Tension, page 165
5.7.8 Draper Roller
Maintenance, page 174
See your MacDon Dealer
See your MacDon Dealer
3.7.8 Reel Height, page
58
• 6.2.3 Stub Guard
Conversion Kit, page
231
• 5.5.7 Knife Guards,
page 131
• See your MacDon
Dealer
Controlling Header Angle,
page 55
3.7.6 Draper Speed, page
57
6.4.10 Upper Cross Auger
(UCA), page 237
See your MacDon Dealer
Revision A