Skip to main content

Introduction

If you need to replace the motor housing in the rotary hammer, use this guide to take apart the device. You will be following a step by step guide, that will help you in replacing the motor house, you may also refer to the pictures attached to each step for guidance.

  1. Remove the ten 19mm T20 Torx screws shown in red.
    • Remove the ten 19mm T20 Torx screws shown in red.

  2. Remove the red Housing Assembly by lifting it up off of the tool.
    • Remove the red Housing Assembly by lifting it up off of the tool.

  3.   Now the two  10mm T-10 screws shown in red can be removed. Next, remove the two 10mm T-10 screws located on the other side of the tool shown in orange.
    • Now the two 10mm T-10 screws shown in red can be removed.

    • Next, remove the two 10mm T-10 screws located on the other side of the tool shown in orange.

  4. Using the metal spudger, remove each brush holder as shown in the images. Using the metal spudger, remove each brush holder as shown in the images.
    • Using the metal spudger, remove each brush holder as shown in the images.

  5. Remove the four 37mm T-20 screws shown in red. These screws attach the gear housing to the motor housing. Remove the four 37mm T-20 screws shown in red. These screws attach the gear housing to the motor housing. Remove the four 37mm T-20 screws shown in red. These screws attach the gear housing to the motor housing.
    • Remove the four 37mm T-20 screws shown in red. These screws attach the gear housing to the motor housing.

  6. After removing the four screws, pull apart the the two sections. After removing the four screws, pull apart the the two sections.
    • After removing the four screws, pull apart the the two sections.

  7. Remove the four 12mm screws with a T-15 Torx screwdriver shown in red. These screws hold the fan baffle in place.
    • Remove the four 12mm screws with a T-15 Torx screwdriver shown in red.

    • These screws hold the fan baffle in place.

  8. Remove the fan baffle by pulling it out. Remove the fan baffle by pulling it out.
    • Remove the fan baffle by pulling it out.

  9. Pull the black wire(shown in the image) out of the trigger assembly. Pull the black wire(shown in the image) out of the trigger assembly.
    • Pull the black wire(shown in the image) out of the trigger assembly.

  10. Pull the white wire (shown in the image) out of the trigger assembly. Pull the white wire (shown in the image) out of the trigger assembly.
    • Pull the white wire (shown in the image) out of the trigger assembly.

  11. Using a metal spudger slide the black wire (shown in the image) out of the trigger assembly. Using a metal spudger slide the black wire (shown in the image) out of the trigger assembly.
    • Using a metal spudger slide the black wire (shown in the image) out of the trigger assembly.

  12. Using a metal spudger slide the yellow wire (shown in the image) out of the trigger assembly. Using a metal spudger slide the yellow wire (shown in the image) out of the trigger assembly.
    • Using a metal spudger slide the yellow wire (shown in the image) out of the trigger assembly.

  13. After disconnecting the wires, push the 120v Field Assembly out of the motor housing. You may need to use a screwdriver to push the assembly from behind. You may need to use a screwdriver to push the assembly from behind.
    • After disconnecting the wires, push the 120v Field Assembly out of the motor housing.

    • You may need to use a screwdriver to push the assembly from behind.

  14. Once the assembly is loose, pull each half out of the housing. Note the orientation of how the halves sit together in the housing before removal. Note the orientation of how the halves sit together in the housing before removal.
    • Once the assembly is loose, pull each half out of the housing.

    • Note the orientation of how the halves sit together in the housing before removal.

  15. Remove the motor housing from the device. Remove the motor housing from the device.
    • Remove the motor housing from the device.

Conclusion

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

Andrew Floyd

Member since: 03/08/2019

277 Reputation

2 Guides authored

Team

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 6

All Time: 176