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I have a couple of NR83A's that im in the process of rebuilding. 1 snaped and piston/drive pin, the other had an exhaust leak(bad head cap). All in all pretty good considering the 1000's of nails these guns have drivin for me. Parts are no problem at this stage. Basic assembly is straight forward. But it would be nice to know any little features etc and torque values for fasteners. Does anyone have or know of a workshop or assembly manual?
any help is appreciated.