Troubleshooting - Stationary Knife Adjustment

Symptom Problem Solution

Stationary knife adjuster working normally, then becomes increasingly difficult to turn

Stationary knife adjuster out of travel toward or away from cutterhead

Stop adjusting. Install new or readjust existing cutterhead knives

Trash between smooth roll scraper and stationary knife

Clean

Stationary knife contacts cutterhead

See proper adjustment procedure

Stationary knife making contact with cutterhead knives after cutting some crop

Stationary knife slipped toward cutterhead after running in crop

Turn rod counterclockwise after adjusting. Adjust rod end play

Insufficient clearance between cutterhead knives and stationary knife

Adjust stationary knife

Stationary knife adjuster has excessive end play

Thrust washers worn

Adjust end play using top slotted nut

More than three turns made on one adjusting rod without adjusting other side

Use proper stationary knife adjusting procedure

Stationary knife adjuster turning too hard

Adjusting rod threads not properly lubricated

See "Lubrication, Periodic Services"

Before turning counterclockwise to back away from cutterhead, trash between smooth roll scraper and stationary knife must be cleaned out

Clean area

Parts rusted together

Disassemble and remove rust

End play adjustment too tight

Adjust end play using top slotted nut

ZX,OMSPFH001235 -19-01JAN93-1/1