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Airguns by Make and Model => Crosman Airguns => Topic started by: Acutus on January 21, 2020, 03:41:33 PM

Title: Troubleshoot 1377
Post by: Acutus on January 21, 2020, 03:41:33 PM

Hey all! Decided to get out my old 1377 and need some help troubleshooting. Basically air doesn't seem to enter the valve. Whenever I pull the trigger its the same as if I hadn't pumped at all. There is resistance when I pump so I think the piston is ok. I also replaced the O-ring on the outside of the valve.
Any ideas or things to try?
Thanks!

Title: Re: Troubleshoot 1377
Post by: Airspace on January 21, 2020, 04:20:07 PM

Sounds like Skeeter nailed it. Is it a bolt or a rear cocker?

Title: Re: Troubleshoot 1377
Post by: Acutus on January 21, 2020, 05:50:44 PM

Wow! Thanks for the quick replies!
It is a bolt version not a rearcock.
Same thing happens if I cock the gun first.
I think I hear the gasps but am going to try lubing it some to make sure.

Feels like it has compression about 3/4 of the stroke then it breaks. The air has to be going somewhere. Would I hear it if it passing the cup at that point?

Title: Re: Troubleshoot 1377
Post by: Acutus on January 22, 2020, 12:52:38 PM

Got it! It was the O-ring between the two halves of the valve!

Th!nks for y'alls help!