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Whirlpool Dryer Thermal Fuse Testing and Replacement

Inleiding

Use this guide to test the thermal fuse on your Whirlpool Dryer and replace it if necessary.

While this guide is listed as difficult, this is more of a reflection of length, and a few tricky steps, rather than a need for special skills.

The thermal fuse protects your dryer (and clothes) from overheating. The dryer will not start if the thermal fuse is blown.

It's easiest to test the fuse while it's in place on the blower housing. Replacement is very simple if the fuse is blown.

This guide will work for most Whirlpool dryers. This guide is written with a model WED87HED dryer. If you have a different model, you may encounter some minor disassembly differences, but the overall repair process will be the same.

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  1. Whirlpool Dryer Thermal Fuse Testing and Replacement, Safety Precautions: stap 1, afbeelding 1 van 1

    • Before you begin your repair, unplug your dryer.

    • Your power cord may have four prongs rather than three. The additional prong is a ground connection.

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  2. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the top panel: stap 2, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the top panel: stap 2, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the top panel: stap 2, afbeelding 3 van 3
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    • Throughout this guide, keep track of each screw and reinstall it exactly where it came from.

    • Use a nut driver to remove the screws securing the top panel to the rear panel bracket.

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  3. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the top panel: stap 3, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the top panel: stap 3, afbeelding 2 van 2

    • Grasp the top and slide it 1/2 to 1 inch toward the rear of the machine.

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  4. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 4, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 4, afbeelding 2 van 2

    • Lift the top panel upward to separate it from the chassis.

    • Remove the top panel from the machine.

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  5. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the control panel: stap 5, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the control panel: stap 5, afbeelding 2 van 2

    • Disconnect the control panel cable from the main board.

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  6. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 6, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 6, afbeelding 2 van 2

    • Disconnect the drum light connector.

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  7. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the control panel: stap 7, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the control panel: stap 7, afbeelding 2 van 2

    • Remove the screws securing the control panel.

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  8. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the control panel: stap 8, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the control panel: stap 8, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the control panel: stap 8, afbeelding 3 van 3

    • Lift the control panel up and tilt it away from the chassis to remove it.

    • Make sure to thread the cable through the hole in the chassis.

    • During reassembly, thread the cable through its proper hole before reinstalling the control panel.

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  9. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the door switch: stap 9, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the door switch: stap 9, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the door switch: stap 9, afbeelding 3 van 3

    • Use a small flat blade screwdriver or a spudger to unlatch both sides of the door switch connector.

    • Unplug the connector.

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  10. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the front panel: stap 10, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the front panel: stap 10, afbeelding 2 van 2

    • Remove the upper front panel sheet metal screws.

    • Tilt the machine backwards and prop it securely, or have a friend hold it.

    • Remove the sheet metal screws on the bottom edge of the panel.

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  11. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 11, afbeelding 1 van 1

    • Remove the screws inside the door area below the drum opening.

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  12. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the front panel: stap 12, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the front panel: stap 12, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the front panel: stap 12, afbeelding 3 van 3

    • The panel is heavy and awkward. You may want to have a friend help you with this step.

    • Pull the bottom of the panel away from the chassis about two to three inches.

    • Lift the front panel off the small tabs on the chassis near the top of the panel and remove it.

    • Make sure you don't snag the door switch wire harness as you remove the panel.

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  13. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the cover plate: stap 13, afbeelding 1 van 1

    • Remove the cover plate screw.

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  14. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cover plate: stap 14, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cover plate: stap 14, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cover plate: stap 14, afbeelding 3 van 3

    • Remove the cover plate.

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  15. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the cord: stap 15, afbeelding 1 van 1

    • Remove the screws securing the cord cables.

    • Mark the cables with a permanent marker if needed and take a picture or draw a diagram.

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  17. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cord: stap 16, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cord: stap 16, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the cord: stap 16, afbeelding 3 van 3

    • Pull the cord carefully down through the round hole.

    • Make sure you replace the connections correctly when you reassemble.

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  18. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the cord terminal block: stap 17, afbeelding 1 van 1

    • Remove the green ground screw.

    • Remove the cord terminal block screws.

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  19. Whirlpool Dryer Thermal Fuse Testing and Replacement, Move the cord terminal block: stap 18, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Move the cord terminal block: stap 18, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Move the cord terminal block: stap 18, afbeelding 3 van 3

    • Move the cord terminal block behind the rear panel.

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  20. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the rear panel: stap 19, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the rear panel: stap 19, afbeelding 2 van 2
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    • Remove the rear panel screws.

    • Throughout this guide, keep track of each screw and reinstall it exactly where it came from.

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  21. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 20, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 20, afbeelding 2 van 2

    • Remove the screw holding the main board bracket to the chassis.

    • Remove the screws from the top rear of the machine.

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  22. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the rear panel: stap 21, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the rear panel: stap 21, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the rear panel: stap 21, afbeelding 3 van 3

    • Put on gloves before continuing, as the rear panel is sharp.

    • Lift the panel about 1/2 inch and tilt it to the rear to release it from the vent pipe.

    • Slide the panel off the vent pipe and remove it.

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  23. Whirlpool Dryer Thermal Fuse Testing and Replacement, Reassembly information: stap 22, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Reassembly information: stap 22, afbeelding 2 van 2

    • During reassembly, perform the following:

    • Make sure that the vent pipe is fitted into the collar on the panel.

    • Make sure the tabs at the bottom are aligned to the bottom rim of the chassis.

    • Position the panel so its screw holes match with the chassis.

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  24. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter: stap 23, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter: stap 23, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter: stap 23, afbeelding 3 van 3

    • Pull the lint filter up out of the lint filter slot to remove it.

    • These photos show the front panel in place, but the procedure is the same if the front panel is already removed.

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  25. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the lint filter housing: stap 24, afbeelding 1 van 1

    • Remove the mounting screws securing the lint filter housing.

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  26. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter housing: stap 25, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter housing: stap 25, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lint filter housing: stap 25, afbeelding 3 van 3

    • Pull the filter housing outward from the chassis and down to remove it.

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  27. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the moisture sensor: stap 26, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the moisture sensor: stap 26, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the moisture sensor: stap 26, afbeelding 3 van 3

    • Squeeze the locking tabs on the moisture sensor connector.

    • Disconnect the connector.

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  28. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the main board: stap 27, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the main board: stap 27, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the main board: stap 27, afbeelding 3 van 3

    • Label, photograph or make a sketch of the connector locations and of the main board bracket position on your machine.

    • Disconnect all of the connectors on the main board front half.

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  29. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 28, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 28, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 28, afbeelding 3 van 3

    • Label, photograph or make a sketch of the connector locations and of the main board bracket position on your machine.

    • Disconnect all the connectors from the rear half of the main board.

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  30. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the main board from the main board bracket: stap 29, afbeelding 1 van 1

    • Remove the sheet metal screw that retains the main board to the main board bracket.

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  31. Whirlpool Dryer Thermal Fuse Testing and Replacement, Separate the main board from the main board bracket: stap 30, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Separate the main board from the main board bracket: stap 30, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Separate the main board from the main board bracket: stap 30, afbeelding 3 van 3

    • Lift the rear corner of the main board nearest to the side walls of the chassis.

    • You want to release the locking tab on the side of the main board.

    • Slide the main board toward the front of the dryer to release the tabs securing it to the main board bracket.

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  32. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the main board: stap 31, afbeelding 1 van 1

    • Remove the main board from the main board bracket.

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  33. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the main board bracket: stap 32, afbeelding 1 van 1

    • Remove the sheet metal screw holding the main board bracket.

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  34. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the wiring harness from the main board bracket: stap 33, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the wiring harness from the main board bracket: stap 33, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the wiring harness from the main board bracket: stap 33, afbeelding 3 van 3

    • Lift off the main board bracket from the chassis and turn it so the bottom is exposed.

    • Using long nose or slip joint pliers, pinch the locking wings of the harness retainer clamp.

    • Separate the harness from the main board bracket and remove the main board bracket.

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  35. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the upper front bulkhead: stap 34, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the upper front bulkhead: stap 34, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the upper front bulkhead: stap 34, afbeelding 3 van 3

    • Remove the screws securing the upper front bulkhead to the front of the chassis.

    • Remove the sheet metal screws securing the top plastic portion to the upper front bulkhead.

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  36. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the upper front bulkhead: stap 35, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the upper front bulkhead: stap 35, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the upper front bulkhead: stap 35, afbeelding 3 van 3

    • Remove the upper front bulkhead and set it aside.

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  37. Whirlpool Dryer Thermal Fuse Testing and Replacement, Release the belt tension: stap 36, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Release the belt tension: stap 36, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Release the belt tension: stap 36, afbeelding 3 van 3

    • Take careful note of the belt path before proceeding.

    • Be careful during this procedure! The idler arm is under spring tension and may pinch you, or it could damage the belt switch if the arm is allowed to snap down.

    • Push the idler arm (the metal upside-down "L") up to relieve the tension on the drive belt.

    • Remove the belt from the motor pulley.

    • Gently lower the idler arm until it rests parallel to the dryer floor.

    • During reassembly, refer to your notes or the belt path link to rethread the drive belt.

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  38. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the lower front bulkhead: stap 37, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the lower front bulkhead: stap 37, afbeelding 2 van 2

    • Remove the screws securing the lower front bulkhead.

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  39. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lower front bulkhead: stap 38, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lower front bulkhead: stap 38, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the lower front bulkhead: stap 38, afbeelding 3 van 3

    • While supporting the drum, lift the lower front bulkhead off of the hooks on the chassis.

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  40. Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 39, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 39, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement: stap 39, afbeelding 3 van 3

    • Lower the bulkhead about 2 inches to free the drum rollers tucked under the drum.

    • While supporting the drum, remove the lower front bulkhead.

    • During reassembly, tilt the bulkhead to the right to get the rollers under the lip on the front of the drum. Once the drum is on the rollers, you can move the bulkhead to the upright position.

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  41. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the drum: stap 40, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the drum: stap 40, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the drum: stap 40, afbeelding 3 van 3

    • Use the belt to lift the drum a few inches.

    • Swing the drum out of the front of the dryer.

    • Note which end of the drum faces the front.

    • If the belt is broken, stand in front of the drum and put your arms inside it. Lift it up and pull it through the front opening of the machine. Having someone to help you with this is a good idea.

    • Make sure you get your drum back on the rollers when you reinstall the lower front bulkhead. Take your time and don't force it.

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  42. Whirlpool Dryer Thermal Fuse Testing and Replacement, Thermal fuse information: stap 41, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Thermal fuse information: stap 41, afbeelding 2 van 2

    • The following steps show how to test and replace the thermal fuse.

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  43. Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the thermal fuse: stap 42, afbeelding 1 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the thermal fuse: stap 42, afbeelding 2 van 3 Whirlpool Dryer Thermal Fuse Testing and Replacement, Disconnect the thermal fuse: stap 42, afbeelding 3 van 3

    • Disconnect the two spade connectors attached to the thermal fuse.

    • Always disconnect wires by pulling on the connector, not the wire.

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  44. Whirlpool Dryer Thermal Fuse Testing and Replacement, Test the thermal fuse: stap 43, afbeelding 1 van 1

    • If you aren't sure how to use a multimeter, take a look at this guide.

    • Set your multimeter to the ohms (Ω) setting. If your meter has more than one scale for ohms, set it to (Rx1).

    • Touch the probes to the contacts on the thermal fuse. The reading should be less than one Ω.

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  45. Whirlpool Dryer Thermal Fuse Testing and Replacement, Unfasten the thermal fuse: stap 44, afbeelding 1 van 1

    • Remove the sheet metal screw securing the thermal fuse.

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  46. Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the thermal fuse: stap 45, afbeelding 1 van 2 Whirlpool Dryer Thermal Fuse Testing and Replacement, Remove the thermal fuse: stap 45, afbeelding 2 van 2

    • Slightly lift the screw end of the fuse first and then slide the tab out of the mounting hole.

    • Lift the thermal fuse out of the mounting hole and remove it.

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Conclusie

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

Repair didn’t go as planned? Ask our Answers community for help.

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Bill Gilbert

Lid sinds: 06/30/22

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