Check Torsional Dampener Blocks

Check torsional dampener rubber blocks between engine and pump drive gear case.

1. CAUTION:

   
   T8T656-UN-29SEP14

   
   T8T657-UN-25JUN14

   
   T8130003051-UN-13DEC13

   Viewed From Below Flywheel Housing

   A - Self-Locking Screws, 5/16 x 1 in. (8 used)

   B - Access Panel

   C - Inspection Plate

   D - Cap Screws (2 used)

   Avoid serious injury or death. Set park brake, shut OFF engine, remove key, and wait for all harvesting functions to stop completely before servicing machine.

   Park machine on a flat, level surface.

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2. Fully extend upper knockdown roller forward toward topper.

   NOTE: If the knockdown roller is manually adjusted, then move roller after removing key.

3. Raise topper boom, engage boom cylinder safety stop, and lower boom onto stop.

4. Raise base cutter, engage base cutter safety stops, and lower base cutter onto stops.

5. Set park brake, shut OFF engine, and remove key.

6. Remove and retain self-locking screws (A) and access panel (B), to gain access to engine compartment.

7. Locate inspection plate (C) under flywheel housing.

8. IMPORTANT: When removing inspection plate, be sure to hold plate level not to lose possible rubber samples.

   Remove and retain inspection plate and cap screws (D).

9. If significant rubber pieces are present, this indicates that torsional dampener rubber blocks are damaged and must be replaced. See your authorized John Deere dealer.

10. Install previously removed inspection plate and cap screws.

11. IMPORTANT: Replace self-locking screws as needed.

    Install previously removed access cover and self-locking screws.