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Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement

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  1. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Position Device: étape 1, image 1 de 1
    • Place the meter face down, and the back panel and screws can be seen.

  2. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Remove Back Panel Screws: étape 2, image 1 de 2 Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Remove Back Panel Screws: étape 2, image 2 de 2
    • Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.

  3. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Remove Back Panel: étape 3, image 1 de 1
    • Remove the back panel of the device by lifting upward.

    • Remove the battery from the meter before continuing.

  4. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Unscrew Motherboard: étape 4, image 1 de 2 Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Unscrew Motherboard: étape 4, image 2 de 2
    • Remove the four 7mm Phillips screws holding the circuit board in place.

  5. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Remove Motherboard: étape 5, image 1 de 1
    • Gently lift the circuit board away from the device casing.

    • Remove the battery after removing the back cover to reduce the chances of short-circuiting the circuit board.

  6. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Locate Dial: étape 6, image 1 de 1
    • The dial is located in the central part of the device.

  7. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Remove Dial: étape 7, image 1 de 1
    • Carefully remove dial from device by lifting upward.

    • Clean existing dial or replace if necessary.

    • Take care not to lose the small ball bearings.

  8. Cen-Tech Seven Function Digital Multimeter Ball Bearings Replacement, Locate and Remove Ball Bearings: étape 8, image 1 de 1
    • Locate ball bearings. Carefully remove.

    • If both ball bearings are still present, try lubricating ball bearings with multi-use lubricant.

    • If one or both ball bearings are missing, simply replace.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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Anna Kihm

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Clemson, Team 2-4, Benson Fall 2014 Membre de l'équipe Clemson, Team 2-4, Benson Fall 2014

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