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All Springer/NP/PCP Air Gun Discussion General => Machine Shop Talk & AG Parts Machining => Topic started by: dkwflight on July 23, 2011, 05:10:43 PM

Title: Crosman Titan GP grinding during the cocking.
Post by: dkwflight on July 23, 2011, 05:10:43 PM

Hi
I was experiencing a grinding during cocking with my Titan.
It was lessening but I was concerned.
After dis assembly I found a sharp edge on the open end of the piston away from the slot. The sideways pressure of the cocking mechanism was pushing the cutting edge into the cylinder.
I rounded and softened the outside edge of the piston with some Emory cloth and the gouges inside the cylinder as well.
Some moly paste and the gun is cocking smoothly now.
I also put some moly on the gas spring cylinder where it was rubbing the inside of the piston.

Title: Re: Crosman Titan GP grinding during the cocking.
Post by: Mark 611 on July 23, 2011, 09:16:55 PM

That's a common problem with the NP manufacturing and where it's made! :P

Title: Re: Crosman Titan GP grinding during the cocking.
Post by: dkwflight on July 24, 2011, 03:09:01 PM

Hi actually I was pleasantly surprised at the good quality inside these Chinese guns.