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Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement

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Use this guide to replace the motor brush set in the Makita Jack Hammer HM1203C 2010.

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  1. Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement, Remove the motor cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Make sure the hammer is disconnected from power before beginning any repair.

    • Use a Phillips #2 screwdriver to remove the three screws securing the motor cover.

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  2. Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the motor cover.

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  4. Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement, Remove the brushes: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement, Remove the brushes: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pull the brush connector straight off of its spade to disconnect the brush.

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  5. Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use a pick or small flathead screwdriver to pull the brush retaining spring off of the brush.

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  6. Makita Jack Hammer HM1203C 2010 Carbon Brush Set Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the brush out of its motor housing while holding the retaining spring out of the way.

    • Repeat the last three steps to remove the second brush.

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

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Adam O'Camb

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