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Y-Axis Belt Install – Mini / Helix / FiberMark

How do I replace my Y-Belt on my Mini, Helix or FiberMark?

Introduction

This procedure details steps to replacing the Y-belts. The Y-belt controls the movement of the I-beam from the front and back of the machine. Before starting on this procedure, disconnect the power cord from the machine.

  • Remove both side panels.

  • Loosen the green captive screws on the right side of the X-beam.

  • Remove the Air intake by pressing in the white ring and pulling out the hose.

  • Cut the electrical tie around the white ribbon cord.

  • Disconnect the white ribbon cord.

  • Loosen the green captive screw on the left side of the X-beam.

  • Remove the X-beam. Use caution when pulling out the I-beam, avoid hitting the frame rail. The easiest way to pull the X-beam out is to get the left side out first then tilt the X-beam almost vertical, pulling the motor side out slowly.

  • Removing the belt on the right side of the machine:

    • a. Loosen the two nuts with a 5/16 nut driver on the pulley tensioning system (Do Not remove these nuts).

    • b. Press the pulley to the left and simultaneously tighten the top nut. Tighten the bottom nut. The belt should be slack.

    • c. Remove the four screws on the X-beam bracket. Remove the plates. The belt will come out easily.

  • Replacing the belt on the left side of the machine:

    • a. Loosen the two nuts with a 5/16 nut driver on the pulley tensioning system (Do Not remove these nuts).
    • b. Press the pulley to the right and simultaneously tighten the bottom nut. Tighten the top nut. The belt should be slack.
    • c. Remove the four screws on the X-beam bracket. Remove the plates. The belt will come out easily.

  • Replace the belt with a new belt

    • a. Put the right side of the belt into the left side of the X-Beam bracket with the grooves of the belt toward the floor. Screw in the plate.

    • b. Take the left end and loop it around the left silver pulley.

      For the right side of the machine, loop the belt around the smaller spindle.

    • For the left side of the machine, loop around small silver spindle.

    • c. Bring the left end of the belt to the left side of the machine and loop it around the black pulley.
    • d. Push both X-beam brackets to the back of the machine to ensure the X-beam fits straight
    • e. Place the left end of the belt into the right side of the X-beam bracket and screw in the plate.
  • Loosen the two nuts on the pulley tensioning system with a 5/16 nut driver.

  • Gently push the pulley out to tighten the belt. Simultaneously tighten the two nuts.

  • Slide both of the X-beam brackets to the back of the machine.

  • Place the X-beam back on its brackets.

  • Tighten the green captive screws on each side of the X-beam.

  • Reconnect the white ribbon cord.

  • Replace the air intake.

  • Replace the side panels.

  • ID:
    KA-01096
  • Date:
    04/09/2025

Tools:

  • Phillips Head Screwdriver
  • 5/16 Nut Driver

Attachments:

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