Removing Stationary Knife

NOTE: Procedures are shown with shields removed for photographic clarity.

1. Start engine and raise row-crop head.

2. Shut off engine, set parking brake and remove key.

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3. Lower safety stop (A).


A-Safety Stop

TS696
H57078

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4. Loosen nuts (A) on sprockets and adjustment bolt (B).

5. Remove connecting link (C) and drive chain (D).


A-Nuts
B-Adjustment Bolt
C-Connecting Link
D-Drive Chain

H63318
H63443

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causym CAUTION: Rotary knife with shaft may drop down when slotted nut is removed.

6. Remove cotter pin (A), slotted nut (B), washer and bearing cap.


A-Cotter Pin
B-Slotted Nut

H63444

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7. Remove rotary knife (A).


A-Rotary Knife

H63449

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8. Remove nuts (A) on two plow bolts.


A-Nuts

H63647

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9. Remove plow bolt (A) and stationary knife (B).

10. Install stationary knife and retain with previously removed hardware.


A-Plow Bolt
B-Stationary Knife

H63648

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11. Install rotary knife and bearing cap. Retain with washer, slotted nut (A) and cotter pin (B)

12. Tighten slotted nut until a slight drag or shearing action is felt as rotary knife is rotated across stationary knife.

13. Align slot in nut with first available hole in rotary knife shaft and install cotter pin (A).


A-Slotted Nut
B-Cotter Pin

H63450

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14. Install chain (A) onto sprockets and retain with connecting link (B).


A-Drive Chain
B-Connecting Link Adjustment Bolt

H63451

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15. Tighten adjusting bolt (A) until specified force applied midway at (B) between sprockets (C) and (D) deflects chain to specification.

Specification

Sprockets -Force 90 N (20 lb)
Chain -Deflection 2-7 mm (3/32-9/32 in)

Torque nuts (E) to specification.

Specification

Nuts -Torque 115 N·m (85 lb-ft)

16. Run row crop header for a short time. Shut off engine, remove key and lower safety stop. Knife must be warm to the touch, never hot. Repeat adjustment as needed.

H63445


A-Adjusting Bolt
B-Midpoint
C-Sprockets
D-Sprockets
E-Nuts

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