Question about CVA Optima Stainless Steel/Black .50-Caliber Rifle with Scope and Starter Kit

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Cva optima trigger assembly

How to take apart the trigger assembly

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Cva optima .50 cal hammer won't lock back


Try pushing the trigger forward while cocking it, if it locks it's probably a bad trigger spring. Remove the hammer/lock assembly, it's only two screws, and have a look inside. The lock is very simple and should become obvious once you're in there.

Oct 14, 2015 | Cars & Trucks

1 Answer

Need diagram of trigger assembly for CVA OPTIMA MUZZLELOADER RIFLE


go to www.ehow.com it has the assembly for everything i use it all the time. if that doesnt help let me know.

Mar 30, 2012 | Optics

1 Answer

I have 2 dewalt 18 volt hammer drills. The first one died about 2 years ago. The trigger seemed to mess up. I took it apart several times thinking I could fix it. I finally gave up on it. It's laid...


Hi, Take the drill apart using a star driver. When taking the chuck assembly from the yellow section have the drill chuch down to stop bits falling out. Once handle is apart popout the triggger assembly. Remove the two power leads from the assembly. Try a direct connection to the battery (polarity doesn't matter. If the motor goes it means that the trigger is U/S. Put a tester across the terminals (either set). You may have a short (as I had). It appears to me that the trigger is not user servicable. I used one from a DeWalt recip saw with a mod on the reverse lever. Works well.

Good luck.

Mar 15, 2011 | Dewalt 18v Battery Hammer Drill Dcd950...

1 Answer

Dewalt Nail Gun D51844. Same problem as other guy - air blowing out with trigger off. Taking it apart, not sure the cylinder comes off, seems to be held in by a hard plastic housing - called a Bulkhead. ...


Dewalt uses about 4 or 5 orings within the gun made of semi clear urethane that fail (turn gummy and breake apart). Two are under the bulkhead and at least two in the trigger valve. To remove the bulkhead pull up on the white housing. With housing and cylinder assembly out, push down on the black retainer at the very bottom and remove the oring(take a picture of the assembly after each stage so that you can re-assemble the spring and checkvalve correctly). You will find two large orings under the bulkhead against the cylinder that need to be replaced (also the orings in the trigger, or replace the trigger valve ).

Jan 01, 2011 | Dewalt D51844 Framing Nailer

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Myn60fn is leaking from around the trigger, do I have to take the whole thing apart to replace the o rings or do I just drive out the spring clips?


You will need to remove the trigger before driving out the roll pin. After you remove the trigger and roll pin, place a rag over the trigger, remove your hand from the area, and briefly hook up your air line. (Clean your soiled pants after this part) You will hear a loud pop and the trigger assembly is going to come out quickly. If you are not prepared for this it will scare the **** out of you. Then once you have the trigger assembly out you can push the two retaining pins on the assembly out and remove the inner workings of the trigger. One note of caution. The ring you are trying to replace is a hard half moon looking ring that Bostitch doesn''t sell separately. You may see it in pieces when you take this assembly apart, or you may not. Sometimes it crumbles and comes out of the trigger exhaust. You can try to match up an oring to sit in there, but from experience it is much easier and less costly to just order the whole trigger valve. Hope this helps.

Sep 29, 2009 | Stanley Bostitch N88rh Framing Nailer...

1 Answer

Replacing 2004 kia optima alternator


I'm not sure on the cost but I replaced mine a few weeks ago and man o man what a job!!! I had to take apart the wheel assembly on the pass side.....pull the axle...jack the engine. 1st time 10 hrs.....2nd time thanx to a fualty replacement alt. 6 hrs. Good luck

Jan 20, 2009 | 2004 Kia Optima

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