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.

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.

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Remove the four screws on the back top side of the drill.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Remove the other part from the rest of the drill.

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Check if the safety switch is well placed in its path, or if it is getting jammed by something.
  • 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.
  • 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.
  • After removing the old safety switch a new one can now be replaced.

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Now the connections can clearly be seen.
  • Now the connections can clearly be seen.

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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 chip is indicated by the yellow box.

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Check if all the connections are not intact.
  • Check if all the connections are not intact.

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You will need to check on the connections to the chip.
  • 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.
  • Then use a plastic opening tool to open the box compartment.

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The connections to the chip are now visible and can be inspected.
  • 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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Start by removing all the wires connected between the chip and the battery connector.
  • 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.
  • 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.
  • 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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