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
169899
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.
252
Section
See your MacDon Dealer
4.7.6 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
6.7.3 Adjusting Draper
Tension, page 178
6.7.8 Draper Roller
Maintenance, page 188
Refer to the windrower
technical manual
See your MacDon Dealer
Refer to the windrower
technical manual
4.7.8 Reel Height, page
58
See your MacDon Dealer,
6.5.7 Knife Guards, page
144
8.2.3 Stub Guard
Conversion Kit, page
262
Controlling Header Angle,
page 56
4.7.6 Draper Speed, page
57
8.4.10 Upper Cross Auger
(UCA), page 268
See your MacDon Dealer
Revision A