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Ch 00 › Rail preparation19 / 32

Step 00.19 — Flip and pack

Step 19 of 32 · Chapter 00 — Before you start

gather Gather for this segment — steps 00.19–00.22 (~40 min)

Printed parts

  • MGN12_rail_guide_x2 ×4 · bin 00-jigs
  • MGN9_rail_guide_x2 ×4 · bin 00-jigs
  • pulley_jig ×1 · bin 00-jigs

Tools and consumables

  • Super Lube 21030
  • 10 ml syringe with a blunt tip, or the tube nozzle
  • lint-free cloth
  • masking tape
  • marker
  • storage bin ×1

Set out for later steps

  • one dried rail
  • one greased rail
  • C extrusion ×1, for the guide test
  • the seven greased rails

Parts:

  • one dried rail · set out now, fitted later
  • Super Lube 21030 · consumable
  • 10 ml syringe with a blunt tip, or the tube nozzle · tool

Do:

  1. Flip the rail so the carriage faces downwards.
  2. Slide the carriage over one of the rail's mounting holes and force grease through it.
  3. Keep going until grease oozes out at both end caps of the carriage.

check Check

Grease visible at both end caps of the carriage. The carriage now runs smooth and silent along the rail with no notchiness.

What you're looking at

Grease prepared in a syringe, and grease forced into a carriage through one of the rail's mounting holes. This is LDO's flip-and-pack method: upside down, the mounting hole lines up with the ball tracks, so grease reaches the bearings without taking the carriage apart.

Source: LDO rail grease guide

← PreviousStep 00.18 — Degrease: IPA soak, then dry completely

Next →Step 00.20 — Clean the rail surface back to bare steel