22r's don't have hydraulic lifters...they're ajdustable tappets on the end of the rocker shaft. all you need to do is adjust the valve lash with a 12mm wrench & flathead screwdriver. here's how...
http://personal.utulsa.edu/~nathan-buchanan/93fsm/engine/7cylinder.pdf
it's on the adobe page 21 (the manual's page of EG1-35)