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Video How to take apart your Benjamin Discovery (Disassembly only)
11:08   |   2K+ views   |   07/18/2018 at 22:08


  • everyone this is Gabi and today I'm
  • going to show you how to take apart your
  • Benjamin discovery I'm doing this
  • outside so you're probably going to hear
  • a bunch of cars rolling by and birds
  • chirping and lots of other noises so I
  • apologize for that but this is going to
  • be a quick run through on how to take
  • apart your Benjamin Discovery I'm going
  • to try to do this with as few cuts as
  • possible so I'm going to begin by first
  • removing the scope first thing I to do
  • is take off your scope the next thing
  • you got to do is unscrew this bottom
  • screw now since mine is actually broken
  • it's a mile just fall out okay here
  • should not fog because hopefully yours
  • is not broken like mine the next thing
  • you have to do to remove the stock is
  • [Music]
  • take this take a flathead screwdriver
  • that's really flat go inside your
  • trigger system and you're going to see a
  • tiny bit of a spring and what you got to
  • do is you got to pull that string pull
  • that spring towards the trigger and once
  • you pull it out just a tiny bit you can
  • now push out the safety see you'll see
  • you'll know you'll see what I'm talking
  • about when you're taking apart your
  • thing it holds the safety button in
  • place so now your stock field would come
  • off just like that
  • after the stock we can get rid of the
  • stock lug again since mine is broken it
  • should just come out but yours should be
  • able to just screw unscrew and here's
  • the stock lug next we're going to get a
  • flathead screwdriver and take out the
  • other screw holding in the hole trigger
  • assembly it's just right here you just
  • unscrew it all the night you just lay
  • that over there the next thing I get rid
  • of is the gauge port and I believe it
  • uses a no uses a 9/16 wrench and you
  • just twist it off so you can see that
  • this gauge board has threading on it and
  • it also has an o-ring on the inside so
  • be careful not to lose that o-ring
  • now the next thing we can do is take off
  • these rail bands the bail bonds require
  • a a 5/64 allen allen wrench and on the
  • key a me so this is a 560 force and I
  • got to do is unscrew it
  • I believe the front side mount is also
  • 5/16 and yes it is all right just a
  • little bit slide right off out the
  • barrel and that's 5/64 all right the
  • next part should do is the end plug and
  • now you need a flathead screwdriver
  • flat-head screwdriver to take out the
  • top all right and it's under pressure so
  • once you take out the this bottom screw
  • you take out this top secure like I just
  • did and it should pop right out and
  • here's the spring and the end plug don't
  • forget that screw all right
  • it's a em plug cover the screw has to go
  • through this and plug cover wear was
  • called breach cover all right um now
  • next thing you have to do is unscrew
  • your bolt mine's pretty loose but here
  • is probably going to be tight and you're
  • going to need a 7/16 wrench and that's
  • just loosen it now push your bolt a
  • little bit back all the way back to
  • review to reveal a screw that sits
  • underneath the bolt and go ahead and
  • take that screw out that screw I believe
  • is called
  • Oh point oh five and it will be SAE one
  • 205 all right so now your top half from
  • RF are separated
  • here's that tiny screw connecting the
  • top after the lower half or in between
  • is this a little valve port sleeve and
  • underneath that sleeve is another oring
  • all right cool
  • now what should be able to come out is
  • your this little hammer pin see and
  • after you take out a hammer pin your
  • hammer should fall fall out like this
  • all right
  • you're the rest of your bolts able to
  • slide out to sitting just like that
  • now you have to remove the barrel from
  • the breech car 5/16 should be the same
  • yeah that's 5/16 and it's one screw
  • should keep the bell-sleeve is 1/16 I'm
  • trying to pull it out but it's
  • completely rusted
  • so nothing like that
  • see but I was right completely rested
  • there's only one screw holding in place
  • and there's this one but here's your
  • breach now here's the lower tube the
  • first thing you need is a Phillips head
  • and each remove these three screws right
  • here this is the bottom of the gun and
  • this is the first of three screws
  • connecting into the valve assembly go
  • ahead and do that one here's the second
  • screw connecting to the valve assembly
  • you just need a phillips head for this
  • and here's the last group connecting to
  • the valve assembly cool next thing you
  • need to do is go to the other end and
  • take off the fill port it requires a
  • 9/16 wrench go ahead and take that off
  • mine's pretty loose because keep the
  • loose but yours is going to be pretty
  • tight
  • all right this is your full port now if
  • you want you can take this part even
  • more by putting on this 9/16 wrench a
  • flatter one and then taking a 7/16
  • wrench and twisting its heart now for
  • the last part pushing out the gauge port
  • in the valve assembly simply take your
  • barrel and push from push from the rear
  • side of the gun so if this the stock
  • would be over here the barrel would be
  • over here
  • push forward now this will be pretty
  • difficult for you the first time I took
  • it apart talking about 30 minutes just
  • to push it out because I was I was so
  • scared but I just all you got to do is
  • push it out the front see here is the
  • valve assembly
  • and here is the gauge port and that's it
  • I can take it quite a little bit more
  • this apparently comes apart maybe years
  • we'll mind does not I've tried this was
  • to come apart but there's more Oh rings
  • inside and a spring also along with this
  • pin that can barely move it but see like
  • I said earlier this comes apart inside
  • there's a ring another ring yeah about
  • it and I think it spring also yeah and a
  • spring now we're going to spring inside
  • of this you can take this apart also
  • this does not come apart this might come
  • apart but open it I wouldn't take it
  • apart one piece - never broken so well I
  • haven't replaced it yet I guess yeah and
  • that's it that's how you fully take a
  • part of Benjamin's go ring thanks for
  • watching

Download subtitle


#- Taking off Stock
#-Removing Trigger Assembly
#-Removing Pressure Gauge
#-Removing Barrel Band and Front Sight Mount
#-Removing End Plug
#-Separating Top and Lower Halves of the Gun
#-Taking out Hammer and Hammer Pin
#-Removing Barrel from the Breech and Barrel Sleeve
#-Removing Valve Assembly Screws (only 3 of them)
#-Removing Fill Port
#-Pushing out the Valve Assembly and Gauge Port

Sorry, no video of Valve Assembly Disassembly.

How to Reassemble


gabby lyfe pcp airgun how take apart benjamin discovery crosman disassemble assemble reassemble

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