MacDon C Series, Operator'S Manual

Page: 62 / 70

Troubleshooting
61
Possible causes Solution suggestions
Problem 7.
Difficulty in keeping the corn head properly on the row.
Check row spacing of the corn head. Check the corn stocks and the row spac-
ing!
Problem 8.
The gearbox is very warm.
Gearbox has insufficient supply of lubri-
cant.
Check the gearbox oil level!
Problem 9.
The driving chain of the gathering auger is too loud.
The driving chain of the gathering auger
is not sufficiently tight.
Set the tightness on the driving chain!
Problem 10.
The driving chain of the gathering auger is creaking.
The lubrication of the chain inadequate. Auger drive chain(s) should be greased
as prescribed in the Maintenance and
lubrication section! (see: Chapter 11)
Problem 11.
One or more chopper knives don’t work.
The chopper drive’s switch is broken or
turned off.
Make sure that the chopper drive is in a
connected condition!
Problem 12.
The snapping plates are not moving correctly.
The snapping plate mechanism gets
clogged.
The hydraulic snapping plate adjuster is
not functioning correctly.
Clean the mechanism. Several times a
day the snapping plate needs to be
moved!
Check the hydraulic system (hoses,
pipes, connections), makes sure there is
no air bubbles in the system.
Problem 13.
High corn-cob loss.
The snapping plates are not correctly
adjusted.
Too high harvesting speed.
Set the gap between the snapping plates
to smaller!
Decrease the harvesting speed!