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Black and Decker LDX 120C Safety switch and trigger chip Replacement

소개

One of the reasons you would replace the safety switch is if it does not alternate between the on and off position. The switch could be stuck or jammed, If this is the case then we would need to replace it. Some of the tools needed to repair this will be a soldering iron and soldering flux. In order to complete this repair, some soldering skills will be required.

필요한 것

  1. Black and Decker LDX 120C Safety switch and trigger chip Replacement, Outer Case: 1 단계, 이미지 1/1

    • 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.

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  2. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 2 단계, 이미지 1/1

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

    번역하기

  3. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 3 단계, 이미지 1/1

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

    번역하기

  4. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 4 단계, 이미지 1/1

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

    번역하기

  5. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 5 단계, 이미지 1/1

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

    번역하기

  6. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 6 단계, 이미지 1/1

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

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  7. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 7 단계, 이미지 1/1

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

    번역하기

  9. Black and Decker LDX 120C Safety switch and trigger chip Replacement, Safety switch and trigger chip: 8 단계, 이미지 1/1

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

    번역하기

  10. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 9 단계, 이미지 1/2 Black and Decker LDX 120C Safety switch and trigger chip Replacement: 9 단계, 이미지 2/2

    • 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

    번역하기

  11. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 10 단계, 이미지 1/1

    • Remove the trigger chip assembly from the drill.

    • Do not remove the safety switch yet.

    번역하기

  12. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 11 단계, 이미지 1/1

    • 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.

    번역하기

  13. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 12 단계, 이미지 1/2 Black and Decker LDX 120C Safety switch and trigger chip Replacement: 12 단계, 이미지 2/2

    • 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.

    번역하기

  14. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 13 단계, 이미지 1/1

    • 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.

    번역하기

  15. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 14 단계, 이미지 1/1

    • Check that all visible wire connections are intact.

    번역하기

  16. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 15 단계, 이미지 1/1

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

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

    번역하기

  17. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 16 단계, 이미지 1/1

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

    번역하기

  18. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 17 단계, 이미지 1/1

    • 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.

    번역하기

  19. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 18 단계, 이미지 1/1

    • 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.

    번역하기

  20. Black and Decker LDX 120C Safety switch and trigger chip Replacement: 19 단계, 이미지 1/1

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

    번역하기
결론

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

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다른 기여자 9명과 함께

jeffrey zakka

회원 가입일: 02/09/16

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USF Tampa, Team 11-5, Cheng Spring 2016 USF Tampa, Team 11-5, Cheng Spring 2016 회원

USFT-CHENG-S16S11G5

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댓글 한 개

where can i get a trigger chip from?

shansingh1100 - 답글

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