Isebenza kwi-oyile kunye nenkqubo yokuthambisa igrisi, ioyile inokulungelelaniswa ngokungenasizathu, kwaye i-oyile nganye ibonelela ngevalve yokujonga ukuthintela ioyile ukuba ingakhutshwa.I-Counterflow, ingasetyenziswa kunye ne-interval type lubrication pump, ipompo yokuthambisa ioyile eqhubekayo kunye impompo yokuthambisa igrisi ngesandla.
