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Introduction

Guide to replacing a stuck or jammed safety switch or trigger chip.

  1. For this guide we will need to use a 1.0 mm phillips #1 screw.
    • For this guide we will need to use a 1.0 mm phillips #1 screw.

    • There are a total of thirteen screws that need to be removed in order to open the drill and access the interior components.

  2. Remove the four screws on the back top side of the drill.
    • Remove the four screws on the back top side of the drill.

  3. Remove the four screws that connect the chuck to the drill.
    • Remove the four screws that connect the chuck to the drill.

  4. Remove the five  screws on the front side of the drill.
    • Remove the five screws on the front side of the drill.

  5. Gently grab both sides of the drill casing, and separate both sides from each other.
    • Gently grab both sides of the drill casing, and separate both sides from each other.

  6. At this point you should be able to separate both as illustrated.
    • At this point you should be able to separate both as illustrated.

  7. Now all the components of the drill are visible and can be accessed.
    • Now all the components of the drill are visible and can be accessed.

  8. Batteries pour ordinateurs portables

    Une réparation facile pour un gain en puissance max.

    Acheter maintenant

    Batteries pour ordinateurs portables

    Une réparation facile pour un gain en puissance max.

    Acheter maintenant
  9. After following the prerequisite guide, the interior components of the drill can now be accessed.
    • After following the prerequisite guide, the interior components of the drill can now be accessed.

  10. Gently remove the chuck and motor assembly from the drill case. Disconnect the wire connecting the motor and trigger chip.
    • Gently remove the chuck and motor assembly from the drill case.

    • Disconnect the wire connecting the motor and trigger chip.

    • Do not damage wire connections

  11. Remove the trigger chip assembly from the drill.
    • Remove the trigger chip assembly from the drill.

    • Do not remove the safety switch yet.

  12. Check if the safety switch is jammed or broken.
    • Check if the safety switch is jammed or broken.

    • If jammed, move any wires or other objects blocking the switch's path.

    • If broken, replace the safety switch.

  13. To replace, gently remove the old safety switch from the drill casing. After the old safety switch has been removed, a new one may be inserted.
    • To replace, gently remove the old safety switch from the drill casing.

    • After the old safety switch has been removed, a new one may be inserted.

  14. The trigger is indicated by the red box.
    • The trigger is indicated by the red box.

    • The battery connector is indicated by the orange box.

    • The trigger chip is indicated by the yellow box.

  15. Check that all visible wire connections are intact.
    • Check that all visible wire connections are intact.

  16. Remove trigger chip panel to access wire connections to the chip.
    • Remove trigger chip panel to access wire connections to the chip.

    • Using a Phillips head screwdriver, remove the screws as indicated.

  17. Use a plastic pry tool to gently pry open the trigger chip compartment.
    • Use a plastic pry tool to gently pry open the trigger chip compartment.

  18. After prying open the chip compartment, the connections will be visible.
    • After prying open the chip compartment, the connections will be visible.

    • Check the connections for damage or disconnection. Reattach as necessary.

    • If the connections do not seem to be damaged, the chip itself may be broken and must be replaced.

  19. To replace trigger chip, remove wire connections between battery connector and trigger chip using a pair of sidecutters.
    • To replace trigger chip, remove wire connections between battery connector and trigger chip using a pair of sidecutters.

    • To prevent damage to the trigger chip, desolder the wires instead of cutting them. Learn more about desoldering here.

  20. With wires removed, the trigger chip may be replaced.
    • With wires removed, the trigger chip may be replaced.

Conclusion

To reassemble your device, follow these instructions in reverse order, re-soldering wires where necessary.

Une autre personne a terminé cette réparation.

jeffrey zakka

Membre depuis le 09/02/2016

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6 tutoriels rédigés

Équipe

USF Tampa, Team 11-5, Cheng Spring 2016 Membre de l'équipe USF Tampa, Team 11-5, Cheng Spring 2016

USFT-CHENG-S16S11G5

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6 tutoriels rédigés

where can i get a trigger chip from?

shansingh1100 - Réponse

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