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Collins 1464 Galaxy processor replacing the drive belt

Replacing the drive belt on a Galaxy processor requires careful attention to detail to ensure the unit’s timing remains accurate. This guide walks you through the process step-by-step, highlighting critical points to avoid errors.

1. Preparation

  1. Unplug the Unit:

    • Before starting any work, ensure the processor is unplugged to avoid electrical hazards.

  2. Mark the Timing Points:

    • Place witness marks on both pulleys to maintain the timing alignment during reassembly.


2. Removing the Belt

  1. Locate the Set Screw:

    • Identify and remove the small set screw that orients the head.

  2. Loosen the Motor Tension:

    • Loosen the two screws holding the motor tension.

    • Back off the jam nut acting as the tensioner. Use a wrench if necessary.

  3. Loosen the Housing Screws:

    • Remove the four Phillips screws holding the housing in place.

  4. Remove the Drive Belt:

    • Push the motor up to release tension on the belt.

    • Slide the belt off the motor pulley.

    • Lift the housing to pull the belt out completely.


3. Installing the New Drive Belt

  1. Insert the New Drive Belt:

    • Place the new belt into the housing and align it with the motor pulley.

  2. Align the Witness Marks:

    • Ensure the witness marks on the pulleys are aligned before proceeding.

  3. Reassemble the Housing:

    • Lower the housing back into place, ensuring the belt is properly positioned.


4. Adjusting the Drive Belt Tension

  1. Reposition the Drive Belt:

    • Work the belt over the pulleys gently, aligning the witness marks.

  2. Snug the Belt:

    • Use the jam nut to apply slight tension to the belt. Ensure it’s snug but not overly tight to prevent slippage.

  3. Tighten the Screws:

    • Secure the motor in place by tightening the two screws.


5. Reconnecting Components

  1. Reconnect the Counter Plug:

    • Reattach the plug that connects to the counter. This ensures the unit’s zero position is recognized.

  2. Secure the Set Screw:

    • Reinstall the set screw to orient the head correctly.


6. Final Steps

  1. Double-Check Alignment:

    • Verify the witness marks are still aligned after reassembly.

  2. Reassemble the Unit:

    • Follow additional reassembly instructions as per related instructional videos.

  3. Test the Unit:

    • Plug in the unit and run a test to ensure the belt is functioning properly.


By following these steps, you can successfully replace the timing belt in your Galaxy processor, ensuring its continued accuracy and performance.