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 8320R and 8345 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
    RXA0087383-UN-02MAR06

    Coupler

    RXA0081100
    RXA0081100-UN-02JUN05

    Center Link

    RXA0081101
    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


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

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

  4. Use reverse sequence of steps to remove upper hook from quick coupler. Install previously stored upper hook into quick coupler.

OURX935,0000A4B-19-20090816