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How to replace faulty heating coils.

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  1. Oster 3905 Heat Coil Replacement, Slot Levers: step 1, image 1 of 1
    • Firmly grip your hand around the slot lever.

  2. Oster 3905 Heat Coil Replacement: step 2, image 1 of 1
    • Stabilize the toaster by placing your hand on top.

  3. Oster 3905 Heat Coil Replacement: step 3, image 1 of 2 Oster 3905 Heat Coil Replacement: step 3, image 2 of 2
    • Forcefully pull the slot lever away from the toaster by keeping parallel to the table.

  4. Oster 3905 Heat Coil Replacement: step 4, image 1 of 1
    • Both slot levers can be removed.

  5. Oster 3905 Heat Coil Replacement, Outer Shell: step 5, image 1 of 1
    • Place the toaster upside down so the bottom is facing the ceiling.

  6. Oster 3905 Heat Coil Replacement: step 6, image 1 of 2 Oster 3905 Heat Coil Replacement: step 6, image 2 of 2
    • Take off both rubber feet using a small metal spudger.

    • Wedge a spudger under the feet and pull up to pop off.

  7. Oster 3905 Heat Coil Replacement: step 7, image 1 of 1
    • Use a PH#2 screw bit to remove eight 12mm screws that are located around the perimeter.

    • There are two screws under the rubber feet.

  8. Oster 3905 Heat Coil Replacement: step 8, image 1 of 1
    • Place the toaster right side up.

  9. Oster 3905 Heat Coil Replacement: step 9, image 1 of 2 Oster 3905 Heat Coil Replacement: step 9, image 2 of 2
    • Grab the outer shell firmly and pull up towards the face of the toaster.

  10. Oster 3905 Heat Coil Replacement: step 10, image 1 of 1
    • For this part, you might need to wiggle the toaster to get the outer shell off.

    • The shell will not completely come off until the motherboard is removed in the next step.

  11. Oster 3905 Heat Coil Replacement: step 11, image 1 of 3 Oster 3905 Heat Coil Replacement: step 11, image 2 of 3 Oster 3905 Heat Coil Replacement: step 11, image 3 of 3
    • Use a J1 screw bit to unscrew eight 8mm screws from the motherboard.

  12. Oster 3905 Heat Coil Replacement: step 12, image 1 of 2 Oster 3905 Heat Coil Replacement: step 12, image 2 of 2
    • Take out the grey “cancel” and “bagel” buttons from the shell.

  13. Oster 3905 Heat Coil Replacement, Heat Coil: step 13, image 1 of 1
    • Once the outer shell is removed, rotate toaster so the back is facing you.

  14. Oster 3905 Heat Coil Replacement: step 14, image 1 of 2 Oster 3905 Heat Coil Replacement: step 14, image 2 of 2
    • Use flat head tweezers and plastic opening tool to remove the top metal panel by prying the metal tabs upwards so they are able to slide through the openings and pull upwards.

    • There is a total of 8 tabs, 4 on each side.

  15. Oster 3905 Heat Coil Replacement: step 15, image 1 of 3 Oster 3905 Heat Coil Replacement: step 15, image 2 of 3 Oster 3905 Heat Coil Replacement: step 15, image 3 of 3
    • Once top metal panel is unhooked. Lift and let hang off the side of the toaster.

  16. Oster 3905 Heat Coil Replacement: step 16, image 1 of 2 Oster 3905 Heat Coil Replacement: step 16, image 2 of 2
    • Turn the toaster so that the faulty wire side is facing you.

    • Position the top 5 metal tabs to fit through slots .

  17. Oster 3905 Heat Coil Replacement: step 17, image 1 of 1
    • Position the 4 side tabs to fit thought the slots.

  18. Oster 3905 Heat Coil Replacement: step 18, image 1 of 2 Oster 3905 Heat Coil Replacement: step 18, image 2 of 2
    • Pull the metal sheet away from the toaster to expose the heating board.

  19. Oster 3905 Heat Coil Replacement: step 19, image 1 of 2 Oster 3905 Heat Coil Replacement: step 19, image 2 of 2
    • Position the 4 metals tabs on the heating board. Found at the top right and bottom left.

  20. Oster 3905 Heat Coil Replacement: step 20, image 1 of 2 Oster 3905 Heat Coil Replacement: step 20, image 2 of 2
    • At the bottom of the heating board, there are 2 tabs holding it to the rest of the toaster, pull those 2 tabs upwards to release heating board from the toaster.

  21. Oster 3905 Heat Coil Replacement: step 21, image 1 of 2 Oster 3905 Heat Coil Replacement: step 21, image 2 of 2
    • There should now be 2 wires connected to the heating board that would need to be de-soldered to disconnect.

    • You can replace the wires on the heating board or if your wires are damaged or disconnect, solder together to fix

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

Alexus Reyes

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