Introduction

If you have a broken or loose dial, then this guide can help you replace it.

  1. First, take the base of the device and flip it over.
    • First, take the base of the device and flip it over.

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  2. Remove the four 12 mm Phillips #2 screws surrounding the base then lift the bottom half of the base to expose the circuit boards inside the device.
    • Remove the four 12 mm Phillips #2 screws surrounding the base then lift the bottom half of the base to expose the circuit boards inside the device.

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    • Remove the two 7.5 mm Phillips #2 screws holding in the motherboard

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    • Unplug the wire going into the side of the motherboard

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    • Use the metal spudger to cut open the rubber covering the latch where it clamps onto the copper tab.

    • Unplug wire at heating element by first using the metal spudger to push the latch in and then pushing it out.

    • Be careful when unplugging the wire as if it is done too forcefully it can damage the connection and make it difficult to connect a new motherboard

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    • Lift the motherboard out of the device

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    • Remove the two 7.5mm Phillips #2 screws from the metal frame.

    • Remove the frame from the assembly.

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    • Remove the two 6mm fine thread Phillips #2 screws attaching the small computer chip to the metal frame.

    • Flip over and remove the 7.5 mm fine thread Phillips #2 screw from the back while holding the 5mm nut on the front securely.

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    • Find the cable that attaches the small computer chip to the heating element connections.

    • Use the spudger to cut open the rubber coating on the latch where it clamps onto the copper tab.

      • Insert the metal spudger into the rectangular hole on the latch and push toward the tab (away from the wire) to unbend the tab.

    • Push the latch off the tab with the spudger.

    • The tab will come loose suddenly. Make sure that you apply force in a controlled manner to avoid injuring yourself or damaging the other components.

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    • Identify the two computer chips that connect the two yellow wires to the temperature controls.

    • Remove the four 5 mm Phillips #1 screws.

    • Remove the two computer chips from their places.

    • The two computer chips are held in place by plastic interference pins. Wiggle the board free of these pins to remove.

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    • Find the computer chip over the dial.

    • Remove the three 6mm Phillips #2 screws.

    • Remove the computer chip.

    • Remember the orientation of the computer chip on the dial and which peg goes into which hole.

    • Keep the plastic frame on the bottom of the chip attached.

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    • Unplug the four cables on the left side of the chip.

    • Remember which cable goes to which plug.

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    • Remove the two 6 mm Phillips #1 screws from the black dial base plate.

      • 6 mm Phillips #1 screws

    • Remove the black dial base plate, metal spring, LED tube, and the actual dial.

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    • Remove the three 7.5 mm Phillips #2 screws from the dial collar.

      • 7.5 mm Phillips #2 screws

    • The dial collar will then come away from the base.

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Conclusion

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

Olivia Morgan

Member since: 04/14/2015

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1 Guide authored

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Cal Poly, Team 6-17, Maness Spring 2015 Member of Cal Poly, Team 6-17, Maness Spring 2015

CPSU-MANESS-S15S6G17

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