Hitch Conversion—Category 4/4N Convertible Quick Coupler

RXA0142588-UN-16JUN14

RXA0142591-UN-16JUN14

Coupler Latch Handle

A - Coupler Latch Handles

B - Cap Screws

C - Side Members

D - Retaining Bolts

E - Roll Pin

Quick coupler is convertible to Category 4 or Category 4N. Use Category 4 whenever possible, especially for heavy loads. 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 can result in personal injury.

   Support center of quick coupler.

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

3. Remove side member cap screws (B).

4. Switch ends with quick coupler side members (C) (left-hand member to right-hand end and right-hand member to left-hand end). 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 must 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 coupler latch handle (A) inward and reinstall roll pin (E).

7. Flip handle down in lock position.

8. 
   RXA0141815-UN-30MAY14

   Draft Link Bumper

   A - Retaining Cap Screw

   B - Draft Link Bumper

   Loosen draft link bumper retaining cap screw (A).

---




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 that there is no hitch interference.