Introduction
If your Ridgid R175RNE nailer is firing sluggishly or not at all, then the air-line connector may need to be replaced.
The air-line connector is used to connect the nailer to your air supply, so that the nailer may function.
Caution: Turn off and remove the air supply before beginning this guide.
Tools
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            Use a 5/32" Allen wrench to remove all three 25 mm screws that secure the swivel air plug. 
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            Remove the swivel air plug. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.