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Air Gun Home Forum Index » Rifles » Crosman 2100 Air Leak Issue
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Crosman 2100 Air Leak Issue 
PostPosted: Thu Jan 31, 2008 10:06 pm Reply with quote
22magnum
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I just got finished putting this baby back together...a bit of a puzzle
to get all the little bits and pieces back in before closing the clam shell.

I had a couple of shots at 450FPS (was 265) but then the valve started
to leak. I didn't have any new parts to put in (that's a mistake)...but
at least I did some work on all those air leaks and obstructions.

Should I get Crosman parts for the new valve / pump cup ect , or can a but a complete plastic receiver new model and swap parts?

It seems a bit stange working on the older guns when the new ones (more plastic) are so inexpensive...besides this one has the tube barrel
which is not to my liking.
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PostPosted: Thu Jan 31, 2008 10:56 pm Reply with quote
AirGunEric
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How old is this 2100? Looks like the internals of a 2100 have been the same since 1983 (when I thought the gun was first introduced?). The most recent gun is the 2100B (or model 2104)- which may (I haven't checked) use most of the same parts as well.

In any event- I do believe the internal parts you would need to repair the gun will still be available.

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PostPosted: Fri Feb 01, 2008 9:01 am Reply with quote
22magnum
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AirGunEric wrote:
How old is this 2100? Looks like the internals of a 2100 have been the same since 1983 (when I thought the gun was first introduced?). The most recent gun is the 2100B (or model 2104)- which may (I haven't checked) use most of the same parts as well.

In any event- I do believe the internal parts you would need to repair the gun will still be available.


20 to 30yrs old I'm told.
Remington 77 is the same I believe.

I checked out the price of new models and they are well over $100 so parts are the way to go for me..I'll contact Quebec I guess
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PostPosted: Fri Feb 01, 2008 12:22 pm Reply with quote
AirGunEric
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You can get parts cheaper than the guys in Quebec if you are in Canada.

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PostPosted: Fri Feb 01, 2008 3:55 pm Reply with quote
22magnum
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AirGunEric wrote:
You can get parts cheaper than the guys in Quebec if you are in Canada.


Can you help me out with the parts? I would like a complete valve
unit and new pump cup...on the drawing I saw I think they may have
had a PN for a complete rebuild..I can't see the PN to clearly but they show it in a dash..looks like it would include the whole pump assembly and the valve.

Thanks
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PostPosted: Fri Feb 01, 2008 5:09 pm Reply with quote
AirGunEric
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Which diagram are you looking at? Point me to it, and I can investigate...

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PostPosted: Fri Feb 01, 2008 10:15 pm Reply with quote
22magnum
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AirGunEric wrote:
Which diagram are you looking at? Point me to it, and I can investigate...



I seem to only have saved it as pdf - not sure how to post it.

I got it from the Crosman Rifle University Web where all of the Parts and Manuals are located.

Oh..I was told tonight that the gun is only 8 years old (this time by the owner, not my wife guessing)

I am a bit concerned with the possiblity of versions of this gun. I do have the SN if we need it. Thanks
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PostPosted: Sat Feb 02, 2008 2:11 am Reply with quote
AirGunEric
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Was this the diagram you were looking at?

http://www.airgunhome.com/forumdocs/cr_2100/C2100-EVP.pdf

If so, the complete valve assembly, part # 2200H021 is available (now labelled as a # 2200J021), as are most of the individual parts that make up the valve.

What parts do you need?

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PostPosted: Sun Feb 03, 2008 12:40 pm Reply with quote
22magnum
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AirGunEric wrote:
Was this the diagram you were looking at?

http://www.airgunhome.com/forumdocs/cr_2100/C2100-EVP.pdf

If so, the complete valve assembly, part # 2200H021 is available (now labelled as a # 2200J021), as are most of the individual parts that make up the valve.

What parts do you need?


I see you were able to post the pdf with no issues..Yes thats it.
I am doing a test whereby you pump the gun up and leave it for awhile. If there is any air left after some period of time, than this is supposed to indicate that the valve is good. I did this test once, and it did not hold any air overnight. I'm trying it again. The pump cup is old and brittle..need that for sure and I think I would get the complete valve too. That should fix it up nicely. Also, there is a small rubber washer that fits in the valve exhaust port to seal it to the barrel..it is very small...mine is brittle and is not smooth. If I get the entire valve would it come with the oring (the one that can be seen from the outside?) Thanks


Last edited by 22magnum on Sun Feb 03, 2008 6:24 pm; edited 1 time in total
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PostPosted: Sun Feb 03, 2008 1:14 pm Reply with quote
AirGunEric
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If you're talking about the o-ring #2200A035, it doesn't come as part of the valve itself. As for the barrel seal you are talking about- I believe you mean #130-036 which is above the dotted line and below the tube end in that picture.

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PostPosted: Sun Feb 17, 2008 1:00 pm Reply with quote
22magnum
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Update: Parts arrived from D+L. They even tossed in a few extra pieces which is appreciated.

Crosman 2200K021 Complete Valve assembly $20
Crosman 2200A035 O-Ring outer for valve $3.50
Crosman 130-036 Barrel Seal $3.50
Crosman 760-140 Pump Cup $3.50

I did note that the K021 Valve came with an outer seal and a 036 seal but I didn't know for sure if it would. Its good to have extra as S+H is $13

Total amount was $35
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PostPosted: Sun Feb 17, 2008 2:13 pm Reply with quote
AirGunEric
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Dude-- you really need to talk to someone else next time- that valve assembly 2200K021 is an $8.25 part, the O-ring is $1.65, the barrel seal $1.65, and the pump cup another $1.65. Total cost= $11.55 plus taxes and shipping. Of course, some people have a $25.00 minimum order on service parts- so you would've had to order a few more items as well.

They better have shipped you some "free" stuff at those prices.

This, by the way is not meant to embarrass anyone- but only to point out that people really, really need to shop around.

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PostPosted: Sun Feb 17, 2008 6:17 pm Reply with quote
22magnum
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Yes...Eric

That's one problem when your new at this game...overpaying due to lack
of previous experience.

The good news is that I just finished, and it's shooting 425FPS 7.9gr 2 pumps! The squirrel's are in trouble again once Howie gets this baby back !

Hey Eric..thanks for the help in getting this project complete. I hope I don't have to take this apart again - too complicated with all of the BB loader stuff.
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PostPosted: Sun Feb 17, 2008 8:14 pm Reply with quote
AirGunEric
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I'm glad it's all back together and working well. Hopefully the squirrels don't have a hope.

Next time someone in Canada needs parts- send me a PM or something and we can find the best deal on things. Unfortunately, with the few Crosman parts sellers in Canada that there are, some of them are apparently quite willing to over-charge without thinking twice about it. Length of time in business is no barrier to people trying to take advantage it seems.

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Crosman 2100 Air Leak Issue 
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