Cutterhead Troubleshooting

Symptom Problem Solution

Ragged cut or excessive cob length

Dull cutterhead knives

Sharpen knives

Dull stationary knife

Replace stationary knife

Excessive cutterhead knife-to-stationary knife clearance

Adjust cutterhead knives and/or stationary knife

Machine is set for too long a cut

Reduce length of cut

Not enough material in feed rolls

Pickup: Increase ground speed or windrow size

Row-crop: Increase ground speed

Rear feed roll held up

Clean crop material from feed roll guides, around feed roll shafts and down stops.

Excessive power required when using recirculating screen

Dull knives

Sharpen knives

Excessive knife-to-screen clearance

Set screen closer to knives

Excessive surface moisture

Use larger screen or remove screen

Wait for reduced moisture level

Screen too small

Use larger screen

Screen worn

Replace screen

Knives hitting recirculating screen

Screen not installed correctly

Reinstall screen

Deformed screen

Replace screen

Screen improperly adjusted

Readjust screen

ZX,OMSPFH001233 -19-01APR93-1/1