Install these parts on the spindle-drive motor:
- (4) standoffs 
- bearingless TSC union assembly 
- (4) washers 
- (4) socket-head cap screws 
Note: Make sure the standoffs are equal length. Make sure the bearingless TSC union assembly is flat on the standoffs.
If you have a Baldor motor, use these parts; 20-6851 TSC UNION STANDOFF BGLESS 40T RETROFIT (Length: 2.147 ± .002), 40-1680 SHCS 1/4 x 2 x 2 3/4.
If you have a Yaskawa or a HAAS motor, use these parts; 20-5461 STANDOFF BEARINGLESS ROTARY UNION (Length: 1.445 ± .002), 40-1695 SHCS 1/4-20 x 2 1/4.
Tighten the (4) screws  with your fingers. Turn the spindle with your hand. Listen and feel for contact. Make sure the shaft does not touch the bearingless TSC union.
Push [POWER ON]. Operate the spindle at 50 RPM to let the bearingless TSC union align with the spindle.
Push [POWER OFF].
Torque the (4) screws  for the bearingless-TSC union assembly. Refer to the Haas Fastener Torque Specifications document. Use the value for steel.
Find the tube  for the tool release piston (TRP). This tube connects to the right side of the TRP solenoid assembly. Cut the tube  into (2) pieces.
Connect the first section  of the tube to the left port of the fitting assembly . Connect the second section  of the tube to the right port of the fitting assembly .