Is it possible to change the spring in this rifle?

Question edited for clarity.
Question moved to a Daisy category. Please always include the model.

You need a set of o-rings and seals for it. Try Pyramid Air.

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First establish a source for replacement parts, otherwise there is no point to mess with the air rifle.
Also by your description, I am not sure if the main spring is fully cocked or not at this point ?
If you are not sure about it continue cautiously.
Second (if you are mechanically inclined) start to take the rifle apart.
Remember that the danger is in the in the main powered spring.
Taking screws out is fairly safe, pins on the other hand should be done cautiously, they usually hold back some sort of force.
Pushing out any pins that hold assemblies together should be done with a smaller diameter pin than the one you attempting to push out. The pusher pin should go in loose, but if spring tension is present it will stick and keep things from exploding on you.
If the push pin gets stuck you will know there is spring tension that needs to be released.
Putting pressure on the right component or spot will free your pusher pin and allow you to release compression in a controlled and safe manor.
At this point you can just identify the parts that look broken or excessively worn and replace them.
Good Luck

hello friends you broke my rifle spring my rifle crosman optimus ea .177 cal. and the dealer put a new one, but it has presicion not know if I should wait for 500 shots or more like new or will be another problem, thanks for your help

well for starters, there is no firing pin, second, without major machinery, you can't fix a spring powered air rifle, any of them. It is impossible, major jigs and fixtures hold these things while the spring is removed and replaced. You might try crossman, they do a lot of repairs.

My stupis Beeman RS2 dual-caliber Air rifle combo trigger broke for no reason and I cant find a replacement can someone help me?

pyramidair.com has a seal kit. it also comes with a diagram. Benjamin and Sheridan air rifles do not have springs to propel the pellet. also never use vasalin. specifically for a Benjamin or Sheridan you need to use pelgun oil (also found at pyramideair.com). use pelgun oil because it is a non detergent fossil compound) the main intention is to condition the seals every 250 rounds. never use silicon based lube for this gun specifically. silicone lube is for spring air rifles such as break barrels.

Air rifles are tough to fix, check out this website,,,,,,http://www.airguns.net/faq.php#faq1

hi, sorry can't really help with you quastion, but I got a quastion my self, where can I buy the spring from for diana35? thanks
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