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Bosch PS21 Gearbox (Clutch) Replacement

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Time Required: 5 - 15 minutes
Difficulty: Moderate
Bosch PS21 Gearbox (Clutch) Replacement

Introduction

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Use this guide to replace the gearbox in the Bosch PS21. If the clutch is not working, the gearbox will need to be replaced. Be sure to remove the battery before disassembling the device.

What you need

Tools

    1. Bosch PS21 Gearbox (Clutch) Replacement, Battery: step 1, image 1 of 1
      • Pinch the two release tabs on the sides of the battery, and slide the battery out.

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    1. Bosch PS21 Gearbox (Clutch) Replacement, Gearbox: step 2, image 1 of 2 Bosch PS21 Gearbox (Clutch) Replacement, Gearbox: step 2, image 2 of 2
      Tool used on this step:
      Tweezers
      $3.99
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      • Locate the clip that binds the two halves of the outer casing together on the rear edge of the battery shaft. Remove the clip with the angled tweezers.

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    2. Bosch PS21 Gearbox (Clutch) Replacement: step 3, image 1 of 1
      • Locate the eight 5.5 mm screws on the upwards facing side of the drill.

      • Remove each screw using the T8 Torx screwdriver and place them together in a safe place.

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    3. Bosch PS21 Gearbox (Clutch) Replacement: step 4, image 1 of 2 Bosch PS21 Gearbox (Clutch) Replacement: step 4, image 2 of 2
      • Remove the upper portion of the case from the outer portion of the case using a metal spudger.

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    4. Bosch PS21 Gearbox (Clutch) Replacement: step 5, image 1 of 2 Bosch PS21 Gearbox (Clutch) Replacement: step 5, image 2 of 2
      • Dislodge the motor assembly from the casing.

      • Remove the gearbox from the motor assembly.

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Conclusion

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

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Getsemani Gonzalez

Member since: 02/15/16

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Team

IUPUI, Team 1-2, Harley Spring 2016 Member of IUPUI, Team 1-2, Harley Spring 2016

IUPUI-HARLEY-S16S1G2

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