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Old 05-23-2014, 05:59 PM #1
Drumstick001
 
 
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Join Date: Jan 2005
Post Pnuecocker Step-by-step Build FAQ

Hey guys,

I know this is 3 years overdue but we had our Canadian Long weekend so I finally made some time to write up my build thread to you guys who have been asking. Here is the step-by-step write-up. Thanks for your patience.

Tools
• Needle nose pliers
• Philips precision driver
• Center Punch
• Hand Tap 6-40
• Drill bits
• Allen Keys
• Hacksaw
• Hand file
• Dremel tool
• Bench Vise
• Drill press
• Adjustable wrenches

Materials
• WGP Trilogy Select Fire Grip Frame
• MSV-2
• 1/8" Stainless rod
• Aluminum plate
• Plexiglass
• LP hose
• LPR Hose barb 10-32 x2
• 6-32 socket head screw x2
• 6-32 fiber lock nut x2


Disassembly of the Grip frame
Remove the grip panels and unplug the 3 wiring connectors from the board
(Switch, Eyes, Solenoid)



With a Philips driver Unscrew the following
• 3 mounting screws from the board (54-401 2mm, Length 8mm) Ping me if you lost them
• 2 screws holding the Solenoid micro switch
• 2 mounting screws from both sides of the Ram-solenoid assembly

1. Wiggle out the board then the Ram-Solenoid should slide down
2. Take a Centre punch knockout the 2 knurled pins holding the Trigger and 3-way plate

3. Before Knocking out the knurled pin holding the Sear, Loosen the set screw holding the 3rd pin
4. Remove the trigger internals and put them aside
5. Separate the Ram-solenoid assembly
6. Extract the Delrin piston (white) from the Ram by “Blowing” Air into the bottom of the Barb/hose.
7. Carefully unscrew the bottom Barb from the Ram and put it aside. HEAT the barb first to soften the Locktite or it will snap!


Preparing the Mini Ram

1. Using a No. 31 bit, open up the lower bottom hole on the mini Ram Body.* Do Not Drill all the way through.
2. Using a 6-40 UNF Tap the hole. Debur and Clean out the Ram.
3. Reinstall the Barb into the new hole with a blue locktite. A drop of oil on Delrin piston and re-mate it with the Ram



Preparing the Grip Frame

1. Drill the hole in the frame for the trigger pin
2. Align the drill bit No. 31 (or 9/64”) to drill through the trigger guard (59.9mm) from the top & 6.5 mm from the bottom edge of the back slot.
3. Center punch the marks and drill through the trigger guard first.
4. Pre-drill the back hole providing the proper drill alignment & drill all the way through from the trigger guard.


Trigger Stop
1. Cut & shape a small piece of Plexiglass (or plastic or wood) to fill the back slot in the grip frame
Dimensions: 10.1mm x 20mm 6.2mm thick
2. Fit the piece in the slot of the trigger frame and mark & drill (No 48) 2 holes for the mounting screws (which held the solenoid).


Mounting Plate
1. Place the Grip frame over the Aluminium plate and trace the profile of the opening. Cut the plate and test for fit.
2. Cut a slot in the leading edge of the plate so to allow space to slide in the Ram and to prevent interference & rub with the swing arm of MSV2
3. Mark and drill the holes for 2 screws (top & bottom) and mount the plate.


Trigger Pin
Cut a 1/8”DIA Stainless rod to 23mm long

1. Reinstall and lube all the trigger internals
2. Reinstall the Ram with the 2 mounting screws on each side
3. Insert the trigger pin in the hole from the inside of frame

Test the the MSV2

1. Install Marcroline from the Ram Barb to the OUT port of the MSV2 (Left hole)
2. Connect a external LPR to an air source and run a Macroline from the LPR to the MSV “IN” port
3. Pressurize the LPR and cycle the MSV. Do NOT exceed 70psi

Alignment of the MSV2
1. Place the MSV inside the frame aligning the swing arm making contact the trigger pin & trigger.
2. Hold the MSV against the plate and align it so that there is no space between the swing arm-pin-trigger.
3. Adjust the MSV positioning while drying firing to ensure that it cycles freely. You may need to adjust the trigger stop setscrew behind the trigger.
4. When the Trigger held back the MSV may vent. This is normal. Though on one build my MSV doesn’t vent <?>
5. Mark the MSV mounting holes on the plate and drill with a 5/32” (No. 19).

Mount the MSV2
1. Depressurize and remove the LPR Input line.
2. Mount the MSV with two 6-32 screws and fibre lock nuts.
3. Install the grip frame on to the main body.
4. Run a Tee fitting off the 3-way. The back line goes to the MSV2 "IN" port & the front goes to Gun’s LPR.
Optional: I ran the back line through the front block. You can do this by drilling and tapping two 6-40 barbs on either side of the front block

Finally Pressurize the gun and Time it <-- Fun part!


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Old 05-24-2014, 10:54 PM #2
mountainviewchris
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Well done. Looks sweet.
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Old 06-30-2014, 09:40 PM #3
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Does it have to be a select fire frame or could you make a slider or hinge etc work?
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Old 07-01-2014, 08:30 AM #4
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This is the easiest frame to convert allowing for reliable operation.
The other frame I've used for conversion is Centerflag's Uprising frame.
http://customcockers.com/forum/showt...2-Build-Thread

A standard slider or hinge will not work unless you are prepared to do some custom fabrication of internals
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Old 07-04-2014, 12:28 PM #5
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how long did it take you to do all of this?
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Old 07-04-2014, 04:04 PM #6
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I have one of these frames for sale if anyone's interested. $45 shipped. Or just use it to convert any cocker to electro if you choose.
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Old 07-04-2014, 07:09 PM #7
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I Guess somewhere between 3-4 hrs

Quote:
Originally Posted by aclark364 View Post
how long did it take you to do all of this?
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