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Makita Jack Hammer HM1307CB Brush Holder Replacement

Giriş

This guide will show you how to replace the brush holder in a Makita HM1307CB jack hammer.

Before you perform this repair, make sure the jack hammer is completely powered down and unplugged.

As you perform this repair, take note of all the screws that have been sealed with threadlocker and be sure to clean them and reapply the same color threadlocker during reassembly.

Neye ihtiyacın var

  1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove six screws from the handle: adım 1, 1 resimden 1.

    • Remove the following screws:

    • Two Phillips screws

    • Four hex screws

    • These four hex screws are all held in place with threadlocker, and may take quite a bit of torque or even some heat to loosen.

    • During reassembly, clean the residual threadlocker from these screws, then reapply high-strength (red) threadlocker to each one before reinstalling.

    • If you aren't sure how to apply threadlocker, refer to the next step in this guide.

    Düzenle

  2. Makita Jack Hammer HM1307CB Brush Holder Replacement: adım 2, 3 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement: adım 2, 3 resimden 2. Makita Jack Hammer HM1307CB Brush Holder Replacement: adım 2, 3 resimden 3.

    • To reapply threadlocker:

    • First, clean the residual threadlocker from each of the screws with some cleaner/degreaser and a stiff brush.

    • Second, apply a couple drops of high-strength threadlocker to the screw sockets.

    • Finally, apply one or two drops of the same high-strength threadlocker to the tip of each screw and reinstall them.

    Düzenle

  3. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the handle: adım 3, 2 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the handle: adım 3, 2 resimden 2.

    • Grab the handle and remove it from the jack hammer.

    Düzenle

  4. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove two hex screws: adım 4, 1 resimden 1.

    • Remove the two hex screws holding the controller cover in place.

    • During reassembly, clean the residual threadlocker from these screws, then reapply high-strength (red) threadlocker to each one before reinstalling.

    Düzenle

  6. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the controller cover: adım 5, 2 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the controller cover: adım 5, 2 resimden 2.

    • Remove the controller cover and the attached power supply cord from the jack hammer.

    Düzenle

  7. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove six hex screws: adım 6, 1 resimden 1.

    • Remove the six 5 mm hex screws holding the rear cover in place.

    • These six hex screws are all held in place with threadlocker, and may take quite a bit of torque or even some heat to loosen.

    • During reassembly, clean the residual threadlocker from these screws, then reapply high-strength (red) threadlocker to each one before reinstalling.

    Düzenle

  8. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the rear cover: adım 7, 2 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the rear cover: adım 7, 2 resimden 2.

    • Lift up the rear cover and remove it from the jack hammer.

    Düzenle

  9. Makita Jack Hammer HM1307CB Brush Holder Replacement, Disconnect the brushes: adım 8, 3 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Disconnect the brushes: adım 8, 3 resimden 2. Makita Jack Hammer HM1307CB Brush Holder Replacement, Disconnect the brushes: adım 8, 3 resimden 3.

    • Slide the brushes' metal clips off of the golden contact rails.

    Düzenle

  10. Makita Jack Hammer HM1307CB Brush Holder Replacement, Move the tension spring: adım 9, 3 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Move the tension spring: adım 9, 3 resimden 2. Makita Jack Hammer HM1307CB Brush Holder Replacement, Move the tension spring: adım 9, 3 resimden 3.

    • Use your finger or a pry tool to pull back the spring holding each brush in place and press it against the brush channel to prevent it from snapping back into place on the brush.

    Düzenle

  11. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brushes: adım 10, 3 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brushes: adım 10, 3 resimden 2. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brushes: adım 10, 3 resimden 3.

    • Slide the brushes out of their channels to remove them from the brush holder.

    Düzenle

  12. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove four Phillips screws: adım 11, 1 resimden 1.

    • Remove the four Phillips screws holding the brush holder in place.

    Düzenle

  13. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brush holder: adım 12, 3 resimden 1. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brush holder: adım 12, 3 resimden 2. Makita Jack Hammer HM1307CB Brush Holder Replacement, Remove the brush holder: adım 12, 3 resimden 3.

    • Lift up and remove the brush holder.

    • If you have trouble lifting up the brush holder, you can use a flathead screwdriver or another pry tool to gently pry it up before lifting.

    Düzenle
Sonuç

To reassemble your device, follow these instructions in reverse order, taking note of any reassembly tips.

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Taylor Dixon

Üyelik tarihi: 06/26/18

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