{"id":18133,"date":"2024-09-24T00:00:00","date_gmt":"2024-09-24T06:00:00","guid":{"rendered":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-pro\/getting-started\/co2-laser-tube-and-rf-replacement-fusion-pro-32-48\/"},"modified":"2025-10-10T16:40:06","modified_gmt":"2025-10-10T22:40:06","slug":"co2-laser-tube-and-rf-replacement-fusion-pro-32-48","status":"publish","type":"post","link":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-pro\/laser-source\/co2-laser-tube-and-rf-replacement-fusion-pro-32-48\/","title":{"rendered":"How to Replace the CO\u2082 Laser Tube & RF Unit"},"content":{"rendered":"
\n

Estimated time:<\/strong> 60\u201390 minutes \u2022 Skill:<\/strong> Intermediate<\/p>\n

This guide outlines the procedure for replacing CO\u2082 and 120-Watt laser tubes, as well as the RF unit, on Epilog laser systems. Following these steps ensures the components are removed, installed, and connected safely and correctly.<\/p>\n

For this procedure, you will need the replacement parts: CO\u2082 Laser Tube<\/strong>, 120-Watt Laser Tube<\/strong>, or RF Unit<\/strong>. You will also need the following tools: Phillips Head Screwdriver<\/strong>, and a 5\/32″ Hex Wrench<\/strong>.<\/p>\n

CO\u2082 Laser Tube Replacement<\/h2>\n

Removal<\/h3>\n
    \n
  1. Power off and disconnect.<\/strong>\n

    Turn off the engraver and disconnect it from power.<\/li>\n

    \n
    \n \"Removing<\/p>\n

    Image 1:<\/strong> Access panel removed.<\/p>\n<\/p><\/div>\n<\/figure>\n

  2. Remove the laser bay access panel.<\/strong><\/li>\n
    \n
    \n \"Disconnecting<\/p>\n

    Image 2:<\/strong> Red dot harness disconnected.<\/p>\n<\/p><\/div>\n<\/figure>\n

  3. Disconnect the data cable.<\/strong>\n

    Located on the left side of the laser tube.<\/li>\n

    \n
    \n \"Disconnecting<\/p>\n

    Image 3:<\/strong> Data cable disconnected.<\/p>\n<\/p><\/div>\n<\/figure>\n

  4. Disconnect the main harness connection.<\/strong>\n

    Follow the laser harness and disconnect it from the engraver\u2019s main electrical harness. Do not unscrew the harness from the tube; it stays connected when sent to the factory.<\/li>\n

    \n
    \n \"Disconnecting<\/p>\n

    Image 4:<\/strong> Disconnect electrical harness.<\/p>\n<\/p><\/div>\n<\/figure>\n

  5. Loosen the mounting screws.<\/strong>\n

    Three green-capped Phillips captive screws (one left, two right). These screws are captive and will pop away from the bracket when loosened.<\/li>\n

    \n
    \n
    \n
    \n \"Loosening<\/p>\n

    Image 5:<\/strong> Left bracket screw loosened.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

    \n
    \n \"Loosening<\/p>\n

    Image 6:<\/strong> Right bracket screws loosened.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/figure>\n

  6. Slide the tube left to disengage guide pin.<\/strong><\/li>\n
    \n
    \n \"Sliding<\/p>\n

    Image 7:<\/strong> Tube cleared from guide pin.<\/p>\n<\/p><\/div>\n<\/figure>\n

  7. Remove the tube.<\/strong>\n

    Carefully lift the tube from the engraver.<\/li>\n

    \n
    \n \"Removing<\/p>\n

    Image 8:<\/strong> Tube removed.<\/p>\n<\/p><\/div>\n<\/figure>\n<\/ol>\n

    Installation<\/h3>\n
      \n
    1. Install the tube.<\/strong>\n

      Align the guide pin with the left bracket opening.<\/li>\n

      \n
      \n \"Installing<\/p>\n

      Image 9:<\/strong> Tube installed.<\/p>\n<\/p><\/div>\n<\/figure>\n

    2. Engage the guide pin.<\/strong>\n

      Slide the tube right to lock it in place.<\/li>\n

      \n
      \n \"Engaging<\/p>\n

      Image 10:<\/strong> Tube on guide pin.<\/p>\n<\/p><\/div>\n<\/figure>\n

    3. Tighten mounting screws.<\/strong>\n

      Three green-capped screws (one left, two right).<\/li>\n

      \n
      \n
      \n
      \n \"Tightening<\/p>\n

      Image 11:<\/strong> Left bracket screw.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

      \n
      \n \"Tightening<\/p>\n

      Image 12:<\/strong> Right bracket screw.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/figure>\n

    4. Connect power harness.<\/strong>\n

      Connect the laser harness to the main electrical harness.<\/li>\n

      \n
      \n \"Connecting<\/p>\n

      Image 13:<\/strong> Electrical harness connected.<\/p>\n<\/p><\/div>\n<\/figure>\n

    5. Connect data cable.<\/strong><\/li>\n
      \n
      \n \"Connecting<\/p>\n

      Image 14:<\/strong> Data cable connected.<\/p>\n<\/p><\/div>\n<\/figure>\n

    6. Reconnect power and turn on engraver.<\/strong>\n

      Complete the laser alignment and focus calibration procedures.<\/li>\n<\/ol>\n

      <\/div>\n
      \n

      <\/p>\n

      120-Watt Laser Tube Replacement<\/h2>\n

      Removal<\/h3>\n
        \n
      1. Power off and disconnect.<\/strong>\n<\/li>\n
      2. Remove laser bay access panel.<\/strong><\/li>\n
        \n
        \n \"Removing<\/p>\n

        Image 15:<\/strong> Access panel removed.<\/p>\n<\/p><\/div>\n<\/figure>\n

      3. Disconnect red dot harness.<\/strong><\/li>\n
        \n
        \n \"Disconnecting<\/p>\n

        Image 16:<\/strong> Red dot harness disconnected.<\/p>\n<\/p><\/div>\n<\/figure>\n

      4. Loosen and remove coaxial cable.<\/strong><\/li>\n
        \n
        \n \"Disconnecting<\/p>\n

        Image 17:<\/strong> Coaxial cable location.<\/p>\n<\/p><\/div>\n<\/figure>\n

      5. Loosen mounting screws.<\/strong>\n

        Six green-capped Phillips screws (three left, three right).<\/li>\n

        \n
        \n
        \n
        \n \"Loosening<\/p>\n

        Image 18:<\/strong> Left captive screw locations.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

        \n
        \n \"Loosening<\/p>\n

        Image 19:<\/strong> Right captive screw locations.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/figure>\n

      6. Remove the tube.<\/strong><\/li>\n<\/ol>\n

        Installation<\/h3>\n
          \n
        1. Place tube in engraver.<\/strong>\n

          Align screws over chassis openings.<\/li>\n

        2. Tighten mounting screws.<\/strong><\/li>\n
          \n
          \n
          \n
          \n \"Loosening<\/p>\n

          Image 20:<\/strong> Left captive screw locations.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

          \n
          \n \"Loosening<\/p>\n

          Image 21:<\/strong> Right captive screw locations.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/figure>\n

        3. Connect coaxial cable.<\/strong>\n

          Finger tight, rock side to side to secure.<\/li>\n

          \n
          \n \"Connecting<\/p>\n

          Image 22:<\/strong> Access panel removed.<\/p>\n<\/p><\/div>\n<\/figure>\n

        4. Connect red dot harness.<\/strong><\/li>\n
          \n
          \n \"Connecting<\/p>\n

          Image 23:<\/strong> Red dot harness connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

        5. Reconnect power and turn on engraver.<\/strong>\n

          Complete laser alignment and focus calibration procedures.<\/li>\n<\/ol>\n

          <\/div>\n
          \n

          <\/p>\n

          RF Unit Replacement<\/h2>\n

          Removal<\/h3>\n
            \n
          1. Power off and disconnect.<\/strong><\/li>\n
          2. Remove laser bay access panel.<\/strong><\/li>\n
            \n
            \n \"Removing<\/p>\n

            Image 24:<\/strong> Laser bay panel removed.<\/p>\n<\/p><\/div>\n<\/figure>\n

          3. Disconnect data cable.<\/strong><\/li>\n
            \n
            \n \"Disconnecting<\/p>\n

            Image 25:<\/strong> Data cable connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

          4. Disconnect power harness.<\/strong>\n

            Remove three Allen screws securing grounding wires. Positions are interchangeable.<\/li>\n

            \n
            \n \"Disconnecting<\/p>\n

            Image 26:<\/strong> Red dot harness connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

          5. Loosen coaxial cable.<\/strong><\/li>\n
            \n
            \n \"Disconnecting<\/p>\n

            Image 27:<\/strong> Coaxial cable connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

          6. Loosen mounting screws.<\/strong> Two green-capped Phillips screws.<\/li>\n
            \n
            \n \"Green<\/p>\n

            Image 28:<\/strong> Green RF mounting screws.<\/p>\n<\/p><\/div>\n<\/figure>\n

          7. Remove RF unit.<\/strong><\/li>\n
            \n
            \n \"Removing<\/p>\n

            Image 29:<\/strong> RF removed.<\/p>\n<\/p><\/div>\n<\/figure>\n<\/ol>\n

            Installation<\/h3>\n
              \n
            1. Place RF unit in engraver.<\/strong>\n

              Align screws over chassis openings.<\/li>\n

              \n
              \n \"Installing<\/p>\n

              Image 30:<\/strong> RF Installed.<\/p>\n<\/p><\/div>\n<\/figure>\n

            2. Tighten mounting screws.<\/strong><\/li>\n
              \n
              \n \"Tightening<\/p>\n

              Image 31:<\/strong> RF mounting screws.<\/p>\n<\/p><\/div>\n<\/figure>\n

            3. Connect coaxial cable.<\/strong>\n

              Finger tight, rock side to side to secure.<\/li>\n

              \n
              \n \"Coaxial<\/p>\n

              Image 32:<\/strong> Coaxial cable on RF.<\/p>\n<\/p><\/div>\n<\/figure>\n

            4. Connect power harness.<\/strong>\n

              Install and tighten three Allen screws for grounding wires.<\/li>\n

              \n
              \n \"Installing<\/p>\n

              Image 33:<\/strong> RF power harness connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

            5. Connect data cable.<\/strong><\/li>\n
              \n
              \n \"RF<\/p>\n

              Image 34:<\/strong> RF data cable connection.<\/p>\n<\/p><\/div>\n<\/figure>\n

            6. Install laser bay access panel.<\/strong><\/li>\n
              \n
              \n \"Panel<\/p>\n

              Image 35:<\/strong> Panel installation.<\/p>\n<\/p><\/div>\n<\/figure>\n<\/ol>\n

              <\/div>\n
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