You'd have to define 'jamming.' Failures to feed into the chamber are usually a combination of chamber mouth out of round due to dryfiring, the bumper (which requires removal of the barrel to replace) and the magazine guide/lifter. Failure to extract is generally the right-side extractor.
That said, on any .22 semiauto, step one is a detailed strip/clean.
Remove the tube magazine and cycle the action numerous times, then visually inspect the chamber. Remove the takedown screw from the bottom of the stock to separate the stock from the barrelled action.
Unscrew the recoil plug (8) from the rear of the receiver. Remove the striker assembly (55 and attached parts) to the rear. The firing pin (51) holds the bolt handle (6) in, so one the firing pin is removed the bolt handle can come out and the bolt (87) can be removed to the rear. Assembly is in reverse order.
Pay attention to the cartridge guide spring (31), the lifter spring (61) and the bumper (73). Those and the magazine guide (71) are the big culprits on failures to feed from the magazine into the chamber.
We have literally every part for this series of rifle, both original and new replacement parts. We would also be happy to take care of a complete detail clean, inspection, and returning the rifle to operating condition if you'd like. Use the Private Message feature of this forum for estimated costs.