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Mini Electrical Final Assembly Workflow

Tools

Gather tools and components for assembly

Components Required

  • Mini Rambo
  • Y Motor Extension
  • Z Right Motor Extension
  • M3x5 SHCS
  • M3x16 Stainless Flat Head Screw
  • Bed Leveling Washer
  • M3 Star Washer
  • M3 Nyloc Nut
  • Zip ties

Tools Required

  • 2 mm Allen driver
  • 2.5 mm Allen driver
  • 5.5 mm wrench/socket
  • Cutters
  • Are all the tools and components gathered?
Rambo and hardware
Rambo attached
Rambo attached

Attach Rambo to frame

Attach the mini Rambo to the outside left frame plate using 4x M3x5 SHCS as shown, note orientation.

  • Is the Rambo oriented correctly?
Attach Tie Bases.
Place Bases on frame.
Gather Five ferrite jumpers.
Attach ferrite number one to far right tie base.
Attach ferrite number four to far left tie base.
Attach ferrite number two to far right tie base.
Attach ferrite 3 and 5 to left tie base.

Stick down tie bases and ferrites.

Add three tie bases for ferrite jumpers and white ferrite.

Make sure on ferrite jumper the male end is facing the top.

Female ends will plug into rambo.

Ferrite number one, the furthest to the right will plug into the X-motor slot on Rambo.

Ferrite number four will plug into the Z-motor slot on the Rambo. (Either Z-motor slot will work.)

Ferrite number two will plug into the Y-motor slot on Rambo.

Ferrite number 3 will plug into the remaining Z-motor slot.

The last ferrite, number five will plug into the extruder slot on the Rambo.

Purple heat bed wire connected

Connect wires to Rambo

Connect the 2 POS terminal block purple heat bed power wires as shown, reference pictures for location.

Note, the next steps shown below will be broken down into single wire locations, but the final product will have all the wires plugged into the Rambo.

  • Next
Yellow thermistor plugged in T2

Connect yellow thermistor wire

Connect the yellow thermistor wire to the T2 slot as shown.

  • Next
X min switch location

Connect the green and black X limit switch

Connect the green and black X limit switch wires into the X min slot as shown.

  • Next
X max switch location

Connect the purple and black X limit switch

Connect the purple and black X limit switch wires to the X max slot as shown.

  • Next
Y min switch location

Connect the red and black Y limit switch

Connect the red and black Y limit switch wires to the Y Min slot as shown.

  • Next
Y max limit switch location

Connect the black Y limit switch

Connect the black Y limit switch wire to the Y max slot as shown.

  • Next
Single red and black wires
Red wire plugged in
Z min switch location

Connect the red and black Z limit switch

First, find the single black wire with connector and plug the single red wire into slot #1 indicated with a triangle on the connector as shown.

Connect the red and black Z limit switch wires into the Z min slot as shown.

  • Next
Z max switch location

Connect the orange and black Z limit switch

Connect the orange and black Z limit switch to the Z max slot as shown.

  • Next
Blue and black Z limit switch location, note orientation

Connect blue and black Z limit switch

Connect the blue and black Z limit switch to the bank of pins above the Z max slot.

Connect the wires to the bottom left two pins, with the blue wire on the far left bottom pin with the black wire on the bottom middle pin.

  • Next
Location of the extruder power wires

Connect the extruder power wires

Connect the 2 POS terminal block extruder power wires as shown.

  • Next
Location of extrusion fan wires

Connect the black and white extrusion fan wires

Connect the black and white 2 POS extrusion fan connector to the slot as shown.

  • Next
Location of orange thermistor wires

Connect the orange thermistor wires

Connect the orange thermistor wires to the T0 slot as shown.

  • Next
Location of blower fan wires

Connect the yellow and black blower fan wires

Connect the yellow and black blower fan wires as shown.

  • Next
Location of Extruder motor

Connect the Extruder motor wires

Connect the Extruder motor wires(the set of wires with tape on them) to the E motor slot as shown.

Extruder motor will be marked with black marker.

  • Next
X motor location

Connect the X motor wires

Connect the X motor wires to the X motor slot as shown.

  • Next
Motor connected
Route of extension

Add the Z motor Extension

Add the Z motor extension as shown.

Connect the Z motor extension to the Z right motor.

Make sure the end of the extension you plug into the motor is the end without the ground lug.

  • Next
Y motor connected and first zip tie location
Z motor extension location
From bottom
All three bundles zip tied together
From bottom

Add the Y motor extension

Add the Y motor extension as shown.

Connect the Y motor extension and zip tie in place as shown.

Make sure the end of the extension you plug into the motor is the end without the ground lug.

Also, Zip tie the Z motor extension in place as shown.

  • Next
Location of Y motor

Connect the Y motor extension to Rambo

Connect the Y motor extension to the Rambo as shown.

  • Next
Location of Z right motor

Connect the Z right motor extension to Rambo

Connect the Z right motor extension into the Z motor 2 slot as shown.

  • Next
Location of Z left motor

Connect Z left motor to Rambo

Connect the Z left motor wire to the Z motor 1 slot as shown.

  • Next
Hardware
Ground post screwed through
Wires attached and secured
Another view

Add the ground lug post and attach ground lugs

Thread a M3x16 Stainless flat head through the inside left frame plate as shown.

Put a M3 star washer on the post.

Connect the 4 ground lugs from the motor wires as shown.

Use a M3 nyloc nut to secure the wires as shown.

  • Next
Spool arm and hardware
Attached
Complete

Attach spool arm

Attach the spool arm to the inside right frame plate using 4x M3x6 flat head screws as shown.

  • Complete

You're done!

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