Synchronizing Rolls

1. Lower machine to the ground.

2. Check clearances (A).

IMPORTANT: The upper and lower roll cleats must be centered. Clearances (A) must be equal on both sides of cleats (as shown) or damage to rolls may occur during machine operation.


A-Clearance

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3. If the clearances are not correct, remove right-hand side shield (A).


A-Shield

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4. Loosen four nuts (A).

5. Wedge a pry bar between upper and lower roll driveline.

6. Loosen cap screw (B) using special tool (see "Wrench" in "Attachments" Section).


A-Nuts (self-locking type)
B-Cap screw

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7. Hold driven plate (A) and rotate driveline flange (B) counterclockwise until the pins are in contact with the end of the slots.

8. Scribe a mark (C) across mating edges of driveline flange and driven plate.


A-Driven plate
B-Driveline flange
C-Scribed mark

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9. Hold driven plate (A) and rotate driveline flange (B) clockwise until the pins are in contact with the end of the slots.

NOTE: If driveline flange reaches the end of its slot before the pins are in contact with the end of the slots, move driven plate (A) by one tooth and repeat procedure.

10. Scribe a mark (D) on mating edge of driven plate, opposite mark (C) on driveline flange.

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A-Driven plate
B-Driveline flange
C-Mark
D-Scribed mark

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11. Hold driven plate (A) and rotate driveline flange (B) counterclockwise until scribe mark (C) is halfway between marks made on mating edge of driven plate.


A-Driven Plate
B-Driveline flange
C-Scribed mark

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12. Install driveline in reverse order of removal using the following special instructions:

IMPORTANT: Only Use John Deere original nuts.

  • Apply NEVER-SEEZ ® lubricant to splines of roll shaft.

  • Apply multipurpose grease to telescoping part of shaft.

IMPORTANT: Driveline must slide freely.

  • Coat threads of cap screw (B) and nuts (A) with LOCTITE ® 242.

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A-Nuts (self-locking type)
B-Cap screw

NEVER-SEEZ is a trademark of Emhart Chemical Group
LOCTITE is a trademark of Loctite Corp.

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