DeWalt
Float Valve Activation / Liquid Level Protection
Vacuum shuts off quickly when picking up liquids; restarts after a short time
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Possible Causes
Tank full of liquid, Float valve rising and blocking airflow, Incorrect filter causing premature blockage
How to Fix / Troubleshooting
Safety: Remove the battery before opening the tank. Avoid spilling collected liquids.
- Check liquid level: Open the tank and verify if it is full or near full. Empty into an appropriate drain or container.
- Inspect float: Ensure the float moves freely and is not waterlogged or stuck.
- Use correct filter: Install the recommended wet-use filter to prevent rapid clogging.
- Do not bypass float: Never remove or defeat the float valve; it protects the motor from liquid ingestion.
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Repair Difficulty
Very Easy
1/5
Required Part
Float Valve Assembly
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