Dewalt nailer DCN890 problem

Archived from the Tools In Action forum (Power Tools). This thread is read-only.

pichyMember since Mar 2024

When I shoot downwards, the piston doesn’t return back.  I have to disassemble to return the piston manually.  When I fire upwards, it works ok. 
I have not even fired 5000 nails. 
Any suggestions would be appreciated. 

tdavelosMember since Jul 2025

I have the same problem…. Did you find any solution?

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