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-   -   Trilogy pump question (http://www.mcarterbrown.com/forums/wgp/233668-trilogy-pump-question.html)

DamoNAN 05-16-2013 11:39 PM

Trilogy pump question
 
So I got my adapter for a pre 2k kit. Ordered my CCM kit, also got ahold of a hooptie pump arm with the bridge shaped in for clearence. Well, it's binding around the sled. When you pull the bolt off the sled it pumps as smooth as butter, but put the bolt back on it binds. I noticed when the bolt was pulled off the sled, the sled itself wanted to pull to the left by a small fraction of an inch, could this be my issue ? Is this normal on half blocks ? Does anyone make a sled I could buy ?

SD.Pump 05-16-2013 11:50 PM

bend the arm until it works. tiny bends

DamoNAN 05-17-2013 11:22 AM

Tried that, didn't work, all it did as make the sled bind more because it was sitting at an angle now.

danssoslow 05-17-2013 07:08 PM

If the sled worked fine with the pnues, I'd say it's alright here. Do you plan to ever put he pneumatics back on?

DamoNAN 05-17-2013 09:31 PM

Not at this time, but I fixed it. I had to sand down the bolt and the face of the sled. Turns out the sled was sticking up pushing the bolt into the top of the body. After sanding them down, it's almost butter smooth, but I figure after a playing with it some more, it will wear the bolt down some making it that much smoother. I plan on putting a medium spring in it tomorrow see if that helps as well.

danssoslow 05-17-2013 09:41 PM

Sticking up, like canted, or riding up against the upper tube?

Either way, that's awesome you figuring it out. Trilogies deserve the lovins.

DamoNAN 05-18-2013 02:03 AM

Actually, when you removed the bolt, but the sled was still attached to the pump rod, it would kick up and to the left (if your facing the rear of the gun. When you held the sled in place, you could feel a lip between the sled and the upper tube. This is the area I sanded. When you re-installed the bolt, it would hang about a 1/16th of an inch not full closing, so I sanded the bolt down a little and re-installed it thus the bolt now goes into the upper tube completely with no gap. My buddy said cocker pumps are trial and error so I am finally getting this bad boy dialed in where I want it. I am hoping when I switch to the medium spring that the pump will slide even smoother yet stay in the 270 area. I am a 14" CP Classic barrel away from finishing this little beast, lol.

BTW, this is the before pic - http://imageshack.us/a/img560/7809/d...ps3fae8da7.jpg

The After pic - http://img27.imageshack.us/img27/6608/hpim2072.jpg

DamoNAN 05-18-2013 08:16 PM

pics added

danssoslow 05-19-2013 07:39 AM

Is that an Axe/Mini barrel?

DamoNAN 05-19-2013 09:59 PM

Yes, it's my Axe stock barrel, I put it on their until I get my 14" CP that should be in this week. It shoots in the 265 - 275 range with that barrel, I believe its a .689, but the CP will be a .685. I was tagging a mask we drilled to an old porch from a distance of 15 yards consecutively. Only time I missed was when the gravity fed hopper skipped a shot causing me to shake it. I ain't complaining.


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