Description
Overview
Replacement trigger switch for brushless lithium cordless impact wrenches, marked JC15-7 and rated 36V DC at 20A. It is supplied as a single switch for wrenches built on the Dongcheng DCPB998 or ADPB998 platform.
Specifications
- Model: JC15-7
- Rated voltage: 36V DC
- Rated current: 20A
- Type: trigger switch for brushless lithium battery wrench
- Compatible tools: Dongcheng DCPB998, ADPB998
Purpose
The trigger is the first part a cordless wrench wears out: contacts pit and the motor stops answering. A new switch revives a tool whose motor and gearbox are still sound.
Applications
- Cordless impact wrench repair
- Auto repair and tyre shop tools
- Body shop and garage servicing
- Dongcheng DCPB998 rebuilds
- Dongcheng ADPB998 rebuilds
- Refurbishing second-hand tools
How to Use
- Pull the battery pack before opening the housing.
- Photograph the wiring before anything is unsoldered.
- Note which lead runs to the motor and which to the battery.
- Desolder the old switch and seat the JC15-7 in the same orientation.
- Caution: rated 36V DC 20A, so do not fit it to a mains tool or a pack outside that voltage.
- Refit the housing and test the trigger with no load.







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