MOUNTINGFOLLOW THE PROCEDURE OUTLINED BELOW TOATTACH THE HDC TO THE PUMP.REMOVING THE OLD HARDWARE•1.Thoroughly clean all external surfaces ofthe pump and control with steam orsolvent. Blow dry.•2.Remove the existing control from thepump by removing the nine hex headscrews from the housing Slip the pin onthe control linkage out of the end of thedrag link. See Figure 3.•3.Remove the case drain fitting from theside of the pump on which the control wasmounted.•4.Remove the E-ring from the inside end ofthe connecting pin. Use caution not todrop the E-ring into the housing during theremoval. See Figure 4.•5.Remove the pin from the drag link andswashplate through the case drain portusing a magnet or other tool. Remove thedrag link. On some models it may benecessary to hold the swashplate offneutral to align the pin with the case drainhole. See Figure 5.FIGURE 3. Dry link/Control link connector betweenordinal control and pump.FIGURE 4. Pin connection to swashplate. Showndisassembled for clarity.FIGURE 5. Location of swashplate assembly inpump housingFIGURE 6. Location of parts when installing a newlink and bell assembly .
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