Does this happen with a new syringe as well? Apparently taking the syringe apart to clean it results in sticking plungers. Once I quit cleaning out my syringes so thoroughly, I had a lot fewer stuck plungers. I just draw water in and out of them a few times to rinse.
Martha in Vermont
Logo, Tobit(EC) and Pumpkin, Handy and Silver (EC/IR)
Logo's Case History: