Put (4) screws  into the upper inside bearing block of the rocker assembly.
Put (4) screws  into the outer bearing block.
Put the rocker assembly  onto the spindle casting. Use the lower bearing block  on the inside as a guide.
Use a dowel pin  to align the outside bearing block.
Put the rocker arm  through the yoke  on shaft from the air cylinder.
Push the clevis pin  through the arm and the yoke.
Put the C-clip  onto the clevis pin.
Torque all of the screws. Refer to the Haas Fastener Torque Specifications.
Make sure the rocker assembly is correctly adjusted.
Note: The illustration does not show the spindle and spindle motor.