ADAPTER-STR 5168708 - Caterpillar

FOLLOW THE PROCEDURE OUTLINED BELOW TO ATTACH THE HDC TO THE PUMP.Removing The Old Hardware
1. Thoroughly clean all external surfaces of the pump and control with steam or solvent. Blow dry.2. Remove the existing control from the pump by removing the nine hex screws from the housing. Slip the pin on the control linkage out of the end of the drag link. See Figure 3.3. Remove the case drain fitting from the side of the pump on which the control was mounted.4. Remove the E-ring from the inside end of the connecting pin. Use caution not to drop the E-ring into the housing during the removal. See Figure 4.5. Remove the pin from the drag link and swashplate through the case drainport using a magnet or other tool. Remove the drag link. On some models it may be necessary to hold the swashplate off neutral to align the pin with the case drain hole. See Figure 5.
FIGURE 3. Swashplate drag link/Control feedback link connection between original control and pump.
FIGURE 4. Pin connection to swashplate. Shown disassembled for clarity.
FIGURE 5. Location of swashplate assembly in pump housing.
FIGURE 6. Location of parts when installing a new link and ball assembly.