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Salter Brecknell Model 311 Disassembly

Introduction

This is a guide on how to disassemble the Salter Brecknell Model 311 digital scale. It identifies the steps you will need to field strip and inspect the scale.

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  1. Salter Brecknell Model 311 Disassembly, Prepare to disassemble: étape 1, image 1 de 2 Salter Brecknell Model 311 Disassembly, Prepare to disassemble: étape 1, image 2 de 2

    • Flip the scale over, remove batteries.

    • It requires 4 AA batteries and has two plastic clips to hold the upper batteries.

    • Be careful not to break the plastic clips.

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  2. Salter Brecknell Model 311 Disassembly, Remove primary set of screws: étape 2, image 1 de 1

    • Remove screws at 1 o'clock and 7 o'clock positions, using the mini screwdriver.

    • Be careful with the mini screwdriver to refrain from stripping the head of the screw.

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  3. Salter Brecknell Model 311 Disassembly, Remove secondary set of screws: étape 3, image 1 de 1

    • Remove screws at 5 o'clock and 11 o'clock positions, using the mini screwdriver.

    • Unscrew them slowly, keeping the tool directly perpendicular to the surface to avoid damage, as they are self-tapping.

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  4. Salter Brecknell Model 311 Disassembly, Remove aesthetic top cover: étape 4, image 1 de 2 Salter Brecknell Model 311 Disassembly, Remove aesthetic top cover: étape 4, image 2 de 2

    • Remove the weighing platform by unscrewing carefully.

    • Rotate it about 60 degrees so that it can be lifted vertically.

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  6. Salter Brecknell Model 311 Disassembly, Split Open Plastic Shell: étape 5, image 1 de 1

    • Gently tap the side of the upper plastic half, be careful as it can be snapped easily.

    • There are two clips that attach the upper half to the bottom half.

    • Be careful to avoid breaking the clips off.

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  7. Salter Brecknell Model 311 Disassembly, Remove Central Screws: étape 6, image 1 de 1

    • Remove the two central screws, connecting the scale weight.

    • The tightness of the screws can affect the scale's accuracy, so it is important to take note of this.

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  8. Salter Brecknell Model 311 Disassembly, Separate the Plastic Shell: étape 7, image 1 de 1

    • Lift the top half of the plastic shell to the side. Be careful, as the electrical circuit board will connect both parts.

    • The wires are exceptionally thin, be careful to not rip them.

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  9. Salter Brecknell Model 311 Disassembly, Inspect the wiring: étape 8, image 1 de 2 Salter Brecknell Model 311 Disassembly, Inspect the wiring: étape 8, image 2 de 2

    • Check for wiring issues connecting to components; look for torn cables.

    • Look for loose wires or connections. Every single wire should be fully attached at both ends.

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  10. Salter Brecknell Model 311 Disassembly, Inspect the circuit board: étape 9, image 1 de 1

    • Check back and front of circuit board for liquid damage.

    • Sometimes you can see damage from the back, but if you inspect the front side, it should be very obvious.

    • If brown stains are visible on the board, there is likely liquid damage on the board.

    • If you find liquid damage, unscrew the mini screws, and replace the board.

    • You will need to re-solder the electrical cables if you replace the board.

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  11. Salter Brecknell Model 311 Disassembly, Important Reassembly Actions: étape 10, image 1 de 1

    • Reassemble by inverting steps 1 - 7.

    • Remember to only torque the central screws till they will not back out, not more.

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Conclusion

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

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Steven

Membre depuis le 06/22/23

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