Hitch Conversion—Category 4/4N Convertible Quick Coupler

RXA0118781-UN-11AUG11

RXA0119711-UN-11AUG11

Coupler Latch Handle

A - Retaining Bolts

B - Cap Screws

C - Side Members

D - Coupler Latch Handles

E - Roll Pin

Quick-coupler is convertible to Category 4 or Category 4N. Use Category 4 whenever possible, especially for heavy loads. The greater width gives more strength.

NOTE: Your John Deere Dealer can supply parts to adapt Category 4/4N quick coupler to Category 3 implements.

Use following procedure to convert Quick-coupler:

1. CAUTION: Use proper lifting device when converting coupler. Failure to do so may result in personal injury.

   Support center of quick-coupler.

2. Remove pin retaining bolts (A) and pins from draft link.

3. Remove side member cap screws (B).

4. Switch ends with quick-coupler side members (C) (left member to right end and right to left). Tighten cap screws to specification.

   Item	Measurement	Specification
   Side Member-to-Crossbar Cap Screws
   Cap Screws	Torque	425 N˙m (315 lb-ft)

5. IMPORTANT: Lower coupler hook should be kept under pressure before removing roll pin, to hold lock rod in place.

   Flip latch handle around by removing roll pin (E).

6. Turn latch handle inward (D) and reinstall roll pin.

7. Flip handle down in lock position.

8. 
   RXA0119682-UN-11AUG11

   Draft Link Bumper

   A - Retaining Cap Screw

   B - Draft Link Bumper

   Loosen draft link bumper retaining cap screw (A).

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9. NOTE: Position thick ends (B) forward on draft links for Category 4 or thin ends back for Category 4N.

   Adjust bumper by sliding on draft link on cap screw to desired clearance position.

10. Tighten cap screw securely.

    Item	Measurement	Specification
    Tighten Cap Screw	Torque	230 N·m 170 lb-ft

11. Perform same steps on opposite side for equal clearance between sway blocks and bumpers.

12. Cycle hitch to ensure there is no hitch interference.