Introduction

If the dial cannot spin then it is likely that the ball bearings are missing or not properly lubricated.

Place the meter face down, so the back panel and screws can be seen.
  • Place the meter face down, so the back panel and screws can be seen.

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Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver. Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.
  • Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.

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Remove the back panel of the device by lifting upward.
  • Remove the back panel of the device by lifting upward.

  • Remove the battery from the meter before continuing.

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Using a 2.5 mm flat screwdriver, remove the four 7mm screws holding the circuit board in place. Using a 2.5 mm flat screwdriver, remove the four 7mm screws holding the circuit board in place.
  • Using a 2.5 mm flat screwdriver, remove the four 7mm screws holding the circuit board in place.

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Gently lift the circuit board away from the device casing.
  • 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.

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The dial is located in the central part of the device.
  • The dial is located in the central part of the device.

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Carefully remove dial from device by lifting upward.
  • Carefully remove dial from device by lifting upward.

  • Clean existing dial or replace if necessary.

  • Take care not to lose the small ball bearings.

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Locate ball bearings. Carefully remove.
  • 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.

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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 Member of Clemson, Team 2-4, Benson Fall 2014

CLEM-BENSON-F14S2G4

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