Adjusting Trash Knives

Trash knives prevent weeds and trash from wrapping around stalk rolls.

Trash knives must be set as close as possible to rolls without striking the flutes.

1. Loosen four cap screws (B).

2. Adjust trash knife (C) so that gap (A) between knife and stalk roll flute is within specification.

Specification

Trash-Knife to Stalk-Roll-Flute Gap -Gap 1.5 mm (1/16 in.)

3. Tighten cap screws (B) to specification.

Specification

Trash Knife Mounting Cap Screws -Torque 130 N·m (96 lb-ft)

4. Verify stalk roll spiral (D) (front of roll) and stalk roll fin (E) (rear of roll) clear the trash knife when rotated.

5. Repeat procedure on opposite trash knife and for remaining row units.


A-Dimension, 1.5 mm (1/16 in.)
B-Cap Screw (8 used)
C-Trash Knife
D-Stalk Roll Spiral
E-Stalk Roll Fin

H91763
H90470

NS43404,000004E -19-19MAY08-1/1