Converting Category 3/4 Convertible Quick Coupler Upper Hook

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

NOTE: A second person is recommended to align components during conversion.

When full power is to be used on 8335R and 8360R tractors with ground engaging implements it is recommended to use CAT 4 upper hook if implement set up allows. The CAT 3 upper hook may be overloaded with very high draft loads.

1. Support quick coupler frame (A).

   
   RXA0087383-UN-02MAR06

   Coupler

   
   RXA0081100-UN-02JUN05

   Center Link

   
   RXA0081101-UN-09AUG05

   Stored Upper Hook

   A - Quick Coupler Frame

   B - Quick Lock Pin

   C - Pin

   D - Center Link

   E - Pin

   F - Upper Hook

   G - Pin

   H - Stored Upper Hook

   I - Shoulder

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2. Remove quick lock pin (B) and pin (C) to release center link (D).

3. Remove pin (E) and upper hook (F).

4. Remove pin (G) to release stored upper hook (H) and install upper hook (H) into quick coupler using reverse sequence of removal.