Put the lower frame [1] on the floor.

Attach the jack [2] to the lower frame with (4) screws. Align the jack so that the operation screw [3] faces to the right. Do not tighten the screws at this time.

Turn the jack operation screw [3]. Fully extend the jack [6].

Apply grease to both sides [4] of the upper frame.

Put the upper frame into the slots [5] on the lower frame. Move the upper frame down until it touches the top of the jack.

Attach the upper plate of the jack to the upper frame [1] with (2) screws. Do not tighten the screws at this time.

Visually align the front edge of the jack lower plate with the front edge of the lower frame [2]. Tighten the (4) lower screws. Visually align the jack with the front edge of the upper frame. Tighten the (2) upper screws.

Power off and then Lockout/Tagout the main circuit breaker.

 Danger: If the vector drive voltage indicator light is on, do not touch the electrical components. The high voltage in the control cabinet can kill you. Wait for the voltage indicator LED on the vector drive to go off completely.

 Caution: Use an electrostatic discharge strap when you handle electronic components.

Connect a jumper (P/N 33-0819A) [2] to the connector with the label 500 SPINDLE MOTOR OVERHEAT MOCON P20 on the spindle connector-panel.

Remove the encoder cover [6].

Disconnect the encoder cable [5] from the terminal. Disconnect the ground cable [3].

Pull the encoder cable out of the spindle shroud and casting.

Connect the encoder cable [5] to the T-2200 [1]

Lightly tighten the ground cable screw [4].

Replace the encoder cover [6].

Disconnect the hoses connected to the bearingless union [2]. Remove the bearingless union [2].

Remove the (4) motor-shroud screws [1] from the motor lift brackets. Do not remove the brackets.

Release the EMERGENCY STOP.

Jog the X Axis to the center of travel.

Jog the Y Axis to the operator-end of travel.

Press EMERGENCY STOP.

Remove the (2) bottom screws [2] from the front of the Y-Axis top cover. This releases the bottom of the Z-Axis bellows.

Tilt the Z-Axis bellows [1] towards the rear of the machine.

Remove the (2) screws [2] from the top cover for the Z-Axis bellows.

Push the Z-Axis bellows [2] down until you can reach the screws [1] for the motor shroud. Remove the screws.

Push POWER OFF.

Set the main circuit breaker to the OFF position.

Lock the main circuit breaker. Use an approved lock with an approved safety tag.

Remove the (2) lower screws [4] from the spindle junction box.

Slide the junction box cover [3] up to expose the (2) front motor shroud screws.

Remove the (2) front of the motor shroud screws [1].

Remove the motor shroud [2].

Remove the (2) motor lift-brackets.

Unlock the main circuit breaker. Press POWER ON.

Release the EMERGENCY STOP.

Jog the C Axis to 90 degrees.

Press EMERGENCY STOP.

Put the spindle removal tool (SRT) [1] onto the platter.

Align the SRT parallel with the table slots, to make the jack screw face you.

 Caution: The SRT is heavy. Do not lift it into the UMC without the aid of another person.

Attach the SRT to the table with (4) T-slot screws [4].

Tighten the screws.

Turn each screw 1/4 turn in the counter-clockwise direction.

Release the EMERGENCY STOP.

Slowly jog the B Axis to -90 degrees.

 Caution: Make sure that the bottom edge of the SRT has sufficient clearance between the probe assembly and the floor sheet metal. Jog the C Axis a small distance to give sufficient clearance.

Jog the spindle until it is centered over the SRT [1].

Press EMERGENCY STOP.

Tighten the (4) T-slot screws.

Turn the jack actuating screw [4] to raise the top SRT frame.

Align the top edge of the frame [3] with the edge of the platter [2].

Remove the (3) center screws [2] for the spindle motor assembly.

Loosen the (4) remaining spindle motor assembly screws [1].

Caution: Do not remove the (4) screws [1].

Release the EMERGENCY STOP.

Slowly jog Z Axis in the negative (-) direction until the spindle touches the SRT frame.

Press EMERGENCY STOP.

Record the X, Y, and Z Axis positions. Use these during the installation procedure.

Put the anchor screw [1] through the bottom of the top SRT frame. Attach it to the bottom of the head casting.

Push POWER OFF.

Set the main circuit breaker to the OFF position.

Lock the main circuit breaker. Use an approved lock with an approved safety tag.

Danger: After turning off the machine, wait at least 5 minutes to allow power to dissipate before disconnecting the spindle-motor cables. Wait for the voltage indicator LED on the vector drive to go off completely.

Disconnect the spindle-motor cables from the terminal block.

Pull the motor wires [1] out of the casting.

Wrap the smaller wires [2] into a coil below the junction box.

Put wire nuts on the motor wires.

Remove the (4) remaining screws [3] for the spindle motor assembly.

Slowly turn the jack screw [1] to lower the spindle motor assembly out of the head casting.

Turn the actuating screw until the jack is at the bottom of its travel.

Caution: Stop immediately if the jack screw becomes difficult to turn. Make sure to clear the obstacles that block the spindle motor assembly.

Set the main circuit breaker to the ON position.

Push POWER ON.

Release the EMERGENCY STOP.

Jog the Y and Z Axes to return the spindle [2] to the Home position.

Jog the X Axis to the end of travel, adjacent to the tool changer.

Press EMERGENCY STOP.

Attach the lift plates [1] to the top of the spindle motor.

Attach the chains [2] from a hoist to the lift plates.

Caution: The spindle motor assembly weighs a minimum of 112 lb (55 kg). Make sure to use a hoist that is sufficient for the weight of the spindle motor assembly.

Remove the SRT anchor-screw from the spindle motor through the SRT frame.

Lift the spindle motor assembly from the machine.

• Press EMERGENCY STOP.
• Turn the jack actuating screw to raise the top SRT frame until it is even with the top of the table (See Step 8 of the "Removal" section above).
• Use a hoist to position the spindle motor assembly centered over the TRP.
•  Caution: The spindle motor assembly weighs more than 112 lb (55 kg). Use a hoist that is sufficient for the weight of the spindle motor assembly. Do not attempt to install the motor by hand.
• When lowering the motor onto the rest of the spindle assembly, be sure to align the 3 pins of the male side of the coupler [2] to the respective holes of the female side of the coupler [1] that can be seen below the TRP sub assembly. Rotate the male side by hand to adjust alignment. 
•  Warning: Damage will occur if the coupler is not aligned properly.
• Do not remove or adjust the TRP.

Fully clean the mating surfaces for the spindle motor assembly and the head casting. Use a fine stone to make sure the mating surfaces are smooth.

Remove the lift plates [1] from the top of the spindle motor.

Release the EMERGENCY STOP.

Jog the X, Y, and Z Axes to the positions recorded at Step 11 of the "UMC-750 - Spindle Motor - Removal" procedure.

Press EMERGENCY STOP.

Turn the jack actuating screw to raise the top SRT frame until it is even with the top of the table. The spindle motor assembly goes into the head casting [2].

Release the EMERGENCY STOP.

Slowly jog the Z Axis down until the head casting is a small distance from the spindle motor assembly plate.

Press EMERGENCY STOP.

Insert the (4) corner screws [1] for the spindle motor assembly.

Do not tighten the screws.

Release the EMERGENCY STOP.

Jog the Z Axis down until the head casting aligns with the spindle motor assembly plate.

Press EMERGENCY STOP.

Tighten the (4) screws.

Remove the anchor screw [2] from under the SRT top frame

Turn the jack screw to lower the top SRT frame to the bottom of its travel.

Release the EMERGENCY STOP.

Jog the B Axis to -90 degrees.

Turn the B Axis 90 degrees in the negative (-) direction.

Remove the SRT.

Caution: Prevent damage to the machine. Make sure that the bottom edge of the SRT has sufficient clearance between the probe assembly and the floor sheet metal. Jog the C Axis a small distance to give sufficient clearance.

 Caution: The SRT is heavy. Do not lift it out of the UMC without the aid of another person.

Press EMERGENCY STOP.

Install the (3) remaining screws [3] for the spindle motor assembly.

Release the EMERGENCY STOP.

Jog the Z Axis to the Home position.

Press EMERGENCY STOP.

Torque the (7) spindle-motor screws. Refer to Haas Fastener Torque Specifications. Use the value for iron.

Release the EMERGENCY STOP.

Jog the Y Axis to the end of travel at the front of the machine.

Jog the X Axis to the center of travel.

Jog the Z Axis to the bottom end of travel.

Press EMERGENCY STOP.

Install the (2) lifting brackets [1].

Insert the motor shroud into the head casting.

Attach the (4) motor shroud screws [2].

Install the bearingless coolant-union [3] to the top of the spindle motor assembly

Power off and then Lockout/Tagout the main circuit breaker.

Danger: If the vector drive voltage indicator light is on, do not touch the electrical components. The high voltage in the control cabinet can kill you. Wait for the voltage indicator LED on the vector drive to go off completely.

Caution: Use an electrostatic discharge strap when you handle electronic components.

Disconnect the spindle encoder cable [5] from the T-2200 [1].

Remove the jumper [2] from the connector on the spindle connector panel that has the label 500 SPINDLE MOTOR OVERHEAT MOCON P20. Connect the overheat cable for the spindle motor.

Connect the encoder cable [5].

Connect the ground wire [3] to the screw for the ground wire [4].

Connect the spindle motor cables [1] to the terminal block in the junction box. The cable connections have labels.

Attach the (2) front motor shroud screws [2].

Move the junction-box cover down.

Tighten the junction-box cover with (2) screws.

Attach the (2) rear motor cover shroud screws [1].

Lift the Z-Axis bellows [2] to the top of the column.

Attach the top (2) screws [3] for the Z-Axis bellows.

Slide the Y-Axis inside way cover all the way forward. Reach inside the rear of the column to install the (2) screws [4] that hold it in position.

Unlock the main circuit breaker and press POWER ON.

Press AUX CLNT to test the TSC system.

Make sure there are no coolant leaks at the spindle head.