Find the cover  for the arm that supports the tool changer. Remove the (8) socket head cap screws (SHCS)  from the cover .
Pull the cover  out of the arm.
Loosen the four hex head bolts (HHB)  that hold the arm to the column.
Remove (1)  of the (4) HHB  that hold the arm to the column.
Make sure no tool is in the spindle.
Push FEED HOLD while the carousel moves to the spindle.
Use a pry bar  to move the tool changer. Move the tool changer until the tool alignment key  aligns with the spindle dog .
Tighten the (4) HHBs  that hold the tool changer support arm to the column. Torque the bolts to 80 ft-lb (356 Nm).
Install the cover for the tool-changer arm. Install the (8) screws that hold the cover.
Do some tool changes. Make sure the tool changer engages the tools evenly.