Remove and Replace Left-Hand Gatherer Belt

1. Remove cotter pins (A) and cover (B).

A-Cotter Pin
B-Cover

AG,OUO1035,2102 -19-17APR00-1/17

2. Remove nuts (A), carriage bolts and bracket (B).

A-Nuts
B-Bracket

AG,OUO1035,2102 -19-17APR00-2/17

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

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

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

AG,OUO1035,2102 -19-17APR00-3/17

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

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

A-Cotter Pin
B-Slotted Nut

AG,OUO1035,2102 -19-17APR00-4/17

6. Remove rotary knife (A).

A-Rotary Knife

AG,OUO1035,2102 -19-17APR00-5/17

7. Loosen jam nut (A) and adjusting bolt (B).

A-Jam Nut
B-Adjustment Bolt

AG,OUO1035,2102 -19-17APR00-6/17

8. Remove nuts (A), carriage bolt and plow bolts.

A-Nuts

AG,OUO1035,2102 -19-17APR00-7/17

9. Loosen nut (A) and remove cap screws (B), chain guard (C) and adjustment unit (D).

A-Nut
B-Cap Screw (2 used)
C-Chain Guard
D-Adjustment Unit

AG,OUO1035,2102 -19-17APR00-8/17

NOTE: A gatherer chain can be repaired by replacing the 2-ply rubber fabric. One of the fabric plies is thicker than the other. Install the THICKER ply (A) so it contacts the crop.

10. Remove gatherer belt (A).

A-Gatherer Belt

AG,OUO1035,2102 -19-17APR00-9/17

NOTE: A new gatherer belt and chain from service parts will be stiff and chain rollers will not turn freely. This condition is normal for new parts. Chain will wear and loosen during operation.

11. Position belt on sprocket so lug attachment link (A) of the chain is centered between the attachment links (B) of the mating chain within specification.

Specification

A-Attachment Link
B-Attachment Link (Mating Chain)

AG,OUO1035,2102 -19-17APR00-10/17

12. Install adjustment unit (D) and chain guard (C) onto row unit and retain with cap screws (B). Ttighten nut (A).

A-Nut
B-Cap Screw (2 used)
C-Chain Guard
D-Adjustment Unit

AG,OUO1035,2102 -19-17APR00-11/17

13. Retain adjustment unit using carriage bolt, plow bolts and nuts (A).

A-Nuts

AG,OUO1035,2102 -19-17APR00-12/17

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

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

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

A-Slotted Nut
B-Cotter Pin

AG,OUO1035,2102 -19-17APR00-13/17

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

A-Drive Chain
B-Connecting Link Adjustment Bolt

AG,OUO1035,2102 -19-17APR00-14/17

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

Specification

Torque nuts (E) to specification.

Specification

19. 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.

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

AG,OUO1035,2102 -19-17APR00-15/17

20. Install bracket (B) and retain using carriage bolts and nuts (A).

A-Nuts
B-Bracket

AG,OUO1035,2102 -19-17APR00-16/17

21. Install cover (B) and retain with cotter (A).

A-Cotter Pins
B-Cover

AG,OUO1035,2102 -19-17APR00-17/17