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Whirlpool WED87HED Dryer Idler Pulley Replacement

简介

Use this guide to replace the idler pulley on your Whirlpool Duet WED87HED dryer.

This pulley provides tension to the drive belt. If it fails, the dryer will not spin properly, and the drive belt will likely break.

Usually, this part makes squeaking and grinding noises when it's failing. The motor may also overheat because the belt is hard to move.

Although the photos in this guide show the blower housing removed from the machine, this is mainly for clarity. You don't need to remove the blower housing to perform this repair.

你所需要的

  1. Whirlpool WED87HED Dryer Idler Pulley Replacement, Safety Precautions: 步骤 1 中的图像 1，1

    • 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.

    编辑

  2. Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the top panel: 步骤 2 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the top panel: 步骤 2 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the top panel: 步骤 2 中的图像 3，3
    在这个步骤中使用的工具：
    FixMat
    $36.95
    购买

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

    • Use a 5/16 inch nut driver to remove the two 15.7 mm-long screws securing the top panel to the rear panel bracket.

    编辑

  3. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the top panel: 步骤 3 中的图像 1，2 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the top panel: 步骤 3 中的图像 2，2

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

    编辑

  4. Whirlpool WED87HED Dryer Idler Pulley Replacement: 步骤 4 中的图像 1，2 Whirlpool WED87HED Dryer Idler Pulley Replacement: 步骤 4 中的图像 2，2

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

    • Remove the top panel from the machine.

    编辑

  5. Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the cover plate: 步骤 5 中的图像 1，1

    • Use a 5/16 inch nut driver to remove the 16.2 mm-long cover plate screw.

    编辑

  6. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cover plate: 步骤 6 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cover plate: 步骤 6 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cover plate: 步骤 6 中的图像 3，3

    • Remove the cover plate.

    编辑

  8. Whirlpool WED87HED Dryer Idler Pulley Replacement, Disconnect the cord: 步骤 7 中的图像 1，1

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

    • Use a Phillips driver or a 1/4 inch nut driver to remove the three 21.4 mm-long screws.

    • If your plug has 4 prongs, there will be a ground connection from the cord as well. Use a 5/16 inch nut driver to remove this connection.

    编辑

  9. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cord: 步骤 8 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cord: 步骤 8 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the cord: 步骤 8 中的图像 3，3

    • Pull the cord carefully down through the round hole.

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

    编辑

  10. Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the cord terminal block: 步骤 9 中的图像 1，1

    • Use a 5/16 inch hex driver to remove the 16.5 mm-long green ground screw.

    • Use a Phillips driver to remove the two 15.3 mm‑long cord terminal block screws.

    编辑

  11. Whirlpool WED87HED Dryer Idler Pulley Replacement, Move the cord terminal block: 步骤 10 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Move the cord terminal block: 步骤 10 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Move the cord terminal block: 步骤 10 中的图像 3，3

    • Move the cord terminal block behind the rear panel.

    编辑

  12. Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the rear panel: 步骤 11 中的图像 1，2 Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the rear panel: 步骤 11 中的图像 2，2
    在这个步骤中使用的工具：
    FixMat
    $36.95
    购买

    • Use a 1/4 inch nut driver to remove the eleven rear panel screws.

    • Ten 20 mm-long screws

    • One 12.9 mm-long screw under the water inlet.

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

    编辑

  13. Whirlpool WED87HED Dryer Idler Pulley Replacement: 步骤 12 中的图像 1，2 Whirlpool WED87HED Dryer Idler Pulley Replacement: 步骤 12 中的图像 2，2

    • Use a 1/4 inch nut driver to remove the 16.4 mm-length screw holding the main board bracket to the chassis.

    • Use a 1/4 inch nut driver to remove the two 20 mm-long screws from the top rear of the machine.

    编辑

  14. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the rear panel: 步骤 13 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the rear panel: 步骤 13 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the rear panel: 步骤 13 中的图像 3，3

    • 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.

    编辑

  15. Whirlpool WED87HED Dryer Idler Pulley Replacement, Reassembly information: 步骤 14 中的图像 1，2 Whirlpool WED87HED Dryer Idler Pulley Replacement, Reassembly information: 步骤 14 中的图像 2，2

    • 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.

    编辑

  16. Whirlpool WED87HED Dryer Idler Pulley Replacement, Unfasten the idler arm: 步骤 15 中的图像 1，1

    • Use a 3/8 inch socket, or a nut driver, to remove the bolt securing the idler arm to the motor frame.

    编辑

  17. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler arm: 步骤 16 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler arm: 步骤 16 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler arm: 步骤 16 中的图像 3，3

    • Move the idler arm toward the side of the dryer to unhook the idler arm tension spring from the arm.

    • Remove the idler arm.

    • During reassembly, be sure to reattach the spring before securing the arm.

    编辑

  18. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the retaining clip: 步骤 17 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the retaining clip: 步骤 17 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the retaining clip: 步骤 17 中的图像 3，3

    • Use long nose pliers to remove the plastic retaining clip from the groove in the idler pulley shaft.

    编辑

  19. Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler pulley: 步骤 18 中的图像 1，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler pulley: 步骤 18 中的图像 2，3 Whirlpool WED87HED Dryer Idler Pulley Replacement, Remove the idler pulley: 步骤 18 中的图像 3，3

    • Lift the idler pulley straight off its shaft and remove it.

    编辑
结论

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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