Oil pump for PS250 Pole lSaw | Oregon Products- portland electric pole saw oil ,Oil pump for PS250 Pole lSaw Part# 565419 This product is only available through retailers or servicing dealers. Shop Retailers Share Quick Links: Specifications, Details & Support Model Fit Guide Accesories Category Related Products Other Products From ...What oil used for electric chainsaw: Chainsaw guide22/6/2019· Step-1: First of all, put oil in the reservoir when the saw is off i.e. not running. If it was in use then keep it off for a while to let it cool down. Do not forget to unplug it from the electric power source. Remove the dirt from the top of the saw with a shop towel especially from the oil filler cap.