Refer to 50-Taper - Tool Release Piston - Replacement - VMC, HMC for TRP installation instructions.
Once the TRP is installed, connect all the cables and air hoses to the TRP, the TRP bracket, and to the bearingless TSC union.
Remove the spindle lock tool (T-2080) and NCE ring tool (T-0078).
If necessary, connect the spindle fan cable.
Turn the machine air supply on and examine all of the air hoses for leaks.
Remove the lockout tag.
Power on the machine.
Push the Tool Release Button to make sure that the TRP operates correctly.
Install the spindle head covers.
Do the VMC - 50-Taper - Tool-Release Piston (TRP) - Height Adjustment.