Make sure no tools are in the spindle or the tool changer pockets.
Record the value in Parameter 250, TOOL UNCLAMP DELAY.
Make sure the double-arm can turn freely on the shaft. Turn the double-arm with your hand until it is parallel with the Y Axis.
Put the top part  of the alignment split tool into the pocket. Put the bottom part  of the split tool into the double-arm near the pocket. Turn the double-arm with your hand until the top  and bottom  part of the split tool align.
Put the alignment pin  for the split tool into the top  and bottom  part of the alignment split tool. Make sure no gap  is between the top  and bottom  split tool parts.
Use the T-2108 tool to adjust the double-arm height if necessary.
Tighten the clamp screws  in 1/4-turn increments. Tighten the screws in the star pattern.
Use the alignment pin to measure the alignment each time you tighten all the screws. Remove the T-2108 tool  after the screws hold the arm in position.
Torque the screws to these values:
- 8-Screw Double-Arm - 15 ft-lb (20 Nm)
- 6-Screw Double-Arm - 30 ft-lb (40 Nm)
Make sure the gap  stayed between 0.013" (0.330 mm) and 0020" (0.508 mm).
If the gap  is not correct, loosen the clamp screws. Adjust the height with the T-2108 tool.
Change Parameter 250 back to the recorded value.