262391
210
Revision A
Problem
Solution
Refer to
Symptom: Breakage of conditioner drive belt
Improper belt tension
Adjust conditioner drive belt tension.
4.5.5 Conditioner Drive Belt, page 182
Belt not in proper groove in pulley
Move belt to proper groove.
4.5.5 Conditioner Drive Belt, page 182
Foreign object between rolls
Disengage rotary disc header and stop
engine. When all moving parts have
completely stopped, remove foreign
object.
3.16 Unplugging Rotary Disc Header,
page 65
Belt pulleys and idlers misaligned
Align pulleys and idler.
4.5.5 Conditioner Drive Belt, page 182
Symptom: Machine pulling to one side
Rotary disc header dragging on one
end and pulling to that side
Adjust rotary disc header float on
both ends.
Symptom: Disc does not start when engaging power take-off (PTO)
Mud on cutterbar
Remove mud from cutterbar. Do not
allow mud to dry on cutterbar.
3.16 Unplugging Rotary Disc Header,
page 65
Primary driveline not connected
Connect driveline.
Installing Primary Driveline, page 178
Cross driveline not connected
Connect driveline.
Installing Cross Driveline, page 180
Symptom: Header does not raise properly
Auxiliary lift locking pins installed.
Remove auxiliary lift locking pins
before attempting to raise header.
3.1.2 Removing Auxiliary Lift Locking
Pins, page 20
Hydraulic flow setting from tractor to
auxiliary lift cylinder valve too high
Set the hydraulic flow rate from the
tractor front selective control valve to
15
–
20 %.
For instructions, refer to the tractor
operator
’
s manual.
Header position sensor(s) misaligned
Adjust the header position sensors.
4.7.3 Inspecting Auxiliary Lift System
Sensors, page 199
Header position sensor(s) damaged
Replace damaged sensors.
Contact your MacDon dealer.
Relay logic switch is set to OFF or
MANUAL.
Set relay logic switch to AUTO.