|
Excessive sharpening stone wear or irregular knife sharpening pattern
|
Sharpening stone chipped
|
Install new sharpening stone
|
|
|
Improper sharpening speed or technique
|
Use proper knife sharpening procedure
|
|
|
Forward sharpening being used
|
Use reverse sharpening only
|
|
Excessive knife sharpener vibration; will not grind a true cylinder
|
Improper sharpening technique
|
Use proper knife sharpening procedure
|
|
|
Forward sharpening being used
|
Use reverse sharpening only
|
|
|
Cutterhead knives improperly adjusted
|
Readjust
|
|
|
Guides on front guide shaft loose
|
Remove shims
|
|
|
Bearings worn or failed in stone carrier
|
Replace. See your John Deere dealer
|
|
|
Stone worn allowing knives to strike holder
|
Install new sharpening stone
|
|
Knife sharpener slides too hard
|
Bearings and seals in stone support failed
|
Replace. See your John Deere dealer
|
|
|
Guides on front guide shaft or guide rail too tight
|
Remove excess paint under guide plates or add shims between guides
Lubricate guide shaft
|