Project Dashboard Accessories and Upgrades LulzBot TAZ Pro S Long Bed Installation Workflow

1 Before You Start!

Please read complete instructions before proceeding.

Before Installing the Long Bed assembly to your TAZ Pro S make sure you have installed the BL Touch. Follow the LulzBot TAZ Pro BL Touch Installation Workflow to install the BL Touch adaptor.

It is recommending to install and print with the Pro BL Touch adaptor before installing the Long Bed. This is to ensure the printer and BL Touch are working correctly before using the Long Bed.

2 Gather Materials

Tools
2mm Hex Key
3mm Hex Key
4mm Hex Key
Gloves - recommended

Materials 1x- TAZ Pro S with BL Touch Adaptor installed 1x- Long Bed Assembly with Bed Harness 1x- Hardware Bag

Warning
Make sure the Printer is turned off and Unplug since it is required to open a part of the electrical box.
It is recommend use two people when moving the Long Bed to avoid damage.
Gloves are recommended to protect your hands from getting pinch under the Long Bed.

Tools needed
TAZ Pro S with a BL Touch Installed
Long Bed Kit

3 Remove the Y Axis

Disconnect the Y harness that is connected to the Y motor.

Using the 4mm Hex Key remove the bed harness that is connected to the bed.

Then disconnect the three wires that are connected to the bed heater.

Remove the four thumb screws that are securing the Y axis. Once the four thumb screws are removed pick the Y axis up and set it a side. Watch for any wires that are still connected to the Y axis while moving it!

Disconnect the Y motor Harness
Use the 4mm hex key to remove the bed harness from the bed
Disconnect the three wires that are connected the bed
Remove the four thumb screws that are securing the bed to the printer frame

4 Remove the Rear Cover on the Electronics Box

Before Starting the Step ensure the Printer is turned off and Unplugged

Use a 2mm Hex Key to remove the 6 screws on the rear cover of the electronics case. Keep track of these screws they will be needed to close the electronics case!

Remove the 6 screws to access the wire connectors

5 Disconnect the Bed Harness

Before disconnecting the bed harness, trace the two blue wires from the bed harness wire chain back to the electronics box.

Disconnect the two wires once you identified where the blue wires are connected to the electronics box.

Use the 2mm hex key to loosen the screw that is securing the end of the bed harness chain. Be care not to lose this screw!

Then set the bed harness to the side.

Look for the two blue wires that are inside the bed wire chain
Disconnect the top blue wire [EL-HR0140]
Disconnect the second blue wire
Loosen the screw that is holding the end of the wire chain
Remove the bed harness

6 Remove the Rear Left Bed Mount Bracket

Use the 3mm hex key to remove the rear left bed mount bracket. This is the bracket by the bed harness mount.

Once the bed mount is remove slide the T slot nut between the wire clip and the bed harness mount.

Then fasten the screw and washer from the bed mount bracket back into the T slot nut.

The Standard TAZ Bed is now fully removed you should have the following items:

  • Standard TAZ Bed
  • Four (4) Thumb Screws
  • Bed Harness
  • Bed Mount Bracket

DO NOT THROW AWAY

You can put these parts it storage since they will not be needed for the Long Bed. We recommend you reuse the hardware bag from the long bed for the thumb screws and place all the items inside your TAZ Pro S product box for storage.

Remove the bed mount bracket and fasten the T slot nut between the wire clip and bed harness bracket
These items will not be needed for the Long Bed installation DO NOT THROW AWAY

7 Connect the Bed Harness to the Frame

Align the end of the bed harness with the bed harness mount on the frame. Make sure its the small printed part not the larger printed part.

Once the printed part is aligned with the harness mount use a 2mm screw to secure the bed harness to the frame.

Find the bed harness that shipped with the long bed
Attach the bed harness to the bed harness mount

8 Connect the Bed Harness to the Electronics Case

Connect the bed harness to the electronics case by connecting the two wires that are inside the wire chain to the electronics case.

Find the harness that has 5 wires and connect it to the connector inside the electronics case that has black, yellow, and red wires. Once its connected gently pull on both connectors to ensure they have a secure connection. Then push the connectors into the connector divider.

Take the harness that has two black wires and connect it to the two white wires inside the electronics box.

Push the connectors for the black and white wires between the four knobs in the connector divider.

Once the bed harness is connected to the electronics box, you can replace the cover using the same six (6) bolts to attach the cover to the electronics case. Place the sliver bolt with it's lock washer in the bottom right hole.

Connect the harness with 5 wires to the electronics case
Push the connectors into the connector divider
Connect the harness with 2 black wires to the electronics case
Slide the connectors between the four (4) knobs on the connector divider
Make sure all the connections inside the electronics case are correct,
Close the electronics box with the sliver bolt and washer in the bottom right hole

9 Place the Long Bed inside the TAZ Frame

We recommend to use two people for this step since you are required to move the Long Bed. This is recommended to avoid damage.

Take the long bed assembly and place it inside the printer's frame. Making sure the motor is on the backside with the wiper pad on the right side.

While setting the long bed inside the frame make sure to align the three bed mount brackets.

Then using a 3mm hex key along with the three bolts inside the hardware bag attach the Long bed to the frame.

Optional: Use a square to center the long bed before mounting it to the frame. If you don't have a square to your best to center the long bed with the TAZ frame.

Using two people place the long bed inside the frame and align the three bed mount brackets
Find the three screws inside the hardware bag
Secure the three bed mount brackets to attach the long bed to the TAZ frame

10 Connect the Y Harness to the Y Harness Adapter

On the backside of the TAZ frame find the three wires that are inside the wire clips.

Look for the Y motor harness and remove it from the wire clips.

Route the Y motor harness above the black bottom support on the Long Bed.

Then connect the Y motor harness to the Y harness adaptor mounted on the left extrusion on the Long Bed.

Remove the Y motor harness from the wire clips, and route it above the bottom support
Connect the Y motor harness and ground wire to the Y harness adaptor

11 Connect the Bed Harness to the Long Bed

Take the bed harness and connect the three wires to the three wires attached to the Long Bed.

Make sure all the connections are secure by gently pulling on each end.

Then use a 4mm hex key to attach the bed harness the bed plate.

Connect the three wires from the bed harness to the long bed
Make sure the connections are secure
Use a 4mm hex key to attach the bed harness to the bed plate

12 Finals Notes

Before attempting to print with the Long Bed, make sure you have done the following:

  • Installed the BL Touch adaptor
  • Completed the Long Bed Installation
  • Upgraded your TAZ Pro's firmware to the TAZ Pro Long Bed firmware

Once these have been completed you are ready to use your TAZ Long Bed!

Done! Take me home