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Milwaukee Impact Wrench 9070-20 Motor Field Winding Replacement

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  1. Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement, Motor Field Winding: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement, Motor Field Winding: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement, Motor Field Winding: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Ensure that the device is unplugged from any power source to avoid electrical shock.

    • Flip the device and remove four 18mm screws using a T20 Torx screwdriver.

    • Remove four 14mm screws using a T20 Torx screwdriver.

  2. Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Remove the four screws on each corner of the gear box assembly using a T-20 Screwdriver.

    • Use a plastic opening tool, slide out the gear box assembly away from the main body.

  3. Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Separate the top half of the clam shell from the tool.

    • Remove the gearbox assembly by sliding it forward and set it aside.

    • Abrupt pulling may damage the motor brushes. Please remove it with caution.

    • The motor brushes may need to be compressed to help with the removal of the gearbox assembly.

  4. Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Disconnect the black AC wire from the brown field wire.

    • Disconnect the black field wire from the switch.

  5. Milwaukee Impact Wrench 9070-20 Motor Field Winding  Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Pull straight up on the field winding to remove it from the body.

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

Brandon Schneiberg

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Embry-Riddle Aeronautical University, Team S13-G7, Lamothe Fall 2019 crwdns2935289:0Embry-Riddle Aeronautical University, Team S13-G7, Lamothe Fall 2019crwdne2935289:0

ERAU-LAMOTHE-F19S13G7

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