Introduction

If the trigger or the safety switch on the drill is stuck or jammed. This guide will illustrate on how to solve this problem.

Image 1/1: There are a total of thirteen screws that need to be removed in order to open the drill and access the interior components.
  • 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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  • Remove the four screws on the back top side of the drill.

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

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

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

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

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

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

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  • Separate the top part from the rest of the drill.

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  • Do this with care so that no wire connection is damaged.

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  • Remove the other part from the rest of the drill.

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Image 1/1: If it is broken simply replace it with a new one.
  • Check if the safety switch is well placed in its path, or if it is getting jammed by something.

  • If it is broken simply replace it with a new one.

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  • Slowly pull the safety switch from the its place.

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  • After removing the old safety switch a new one can now be replaced.

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  • Now the connections can clearly be seen.

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Image 1/1: The battery connector is indicated by the orange box.
  • The trigger is indicated by the red box.

  • The battery connector is indicated by the orange box.

  • The chip is indicated by the yellow box.

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  • Check if all the connections are not intact.

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Image 1/1: Undo the screw as indicated.
  • You will need to check on the connections to the chip.

  • Undo the screw as indicated.

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  • Then use a plastic opening tool to open the box compartment.

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Image 1/1: If the connections are lose reconnect them.
  • The connections to the chip are now visible and can be inspected.

  • If the connections are lose reconnect them.

  • If not then the chip is damaged and will need to be replaced.

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Image 1/1: To prevent damage to the component, consider desoldering the wires instead of cutting them. Learn more about desoldering [https://www.ifixit.com/Guide/How+To+Solder+and+Desolder+Connections/750|here.]
  • Start by removing all the wires connected between the chip and the battery connector.

  • To prevent damage to the component, consider desoldering the wires instead of cutting them. Learn more about desoldering here.

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  • There is a total of 3 connections that connects the battery connector to the chip.

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  • After all the wires have been removed, now the two parts can be separated.

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Conclusion

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

jeffrey zakka

Member since: 02/09/2016

641 Reputation

6 Guides authored

Team

USF Tampa, Team 11-5, Cheng Spring 2016 Member of USF Tampa, Team 11-5, Cheng Spring 2016

USFT-CHENG-S16S11G5

5 Members

6 Guides authored

One Comment

where can i get a trigger chip from?

shansingh1100 - Reply

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