Wokim gutpela pasin bilong draivim ka na sekim mak bilong oil oltaim. Wanpela bikpela oil level bai i no inap mekim ensin bilong ensin i no strong moa long taim bilong wok, na dispela bai mekim na pawa i lus i no gat as bilong en, tasol em i mekim oil i lik tu; wanpela oil i daunbilo bai bagarapim ensin bikos em i no gat gutpela gris. Olsem na sapos mak bilong oil bilong ensin i daunbilo tumas, sekim sapos ensin i gat lik bilong oil na i no gat gutpela oil long en; tanim ignisen swit pastaim long statim ensin, na oil level indiketa na oil presa indiketa i lait i go antap, na ol i mas go aut bihain long statim ensin.
Yusim oil i gat stretpela viskositi. Sapos oil viskositi i liklik tumas, oil piksa i save bagarap isi isi na ol hap i pas; sapos viskositi i antap tumas, ol bai kamapim moa strong long muvmen bilong ol hap, na dispela i mekim na i hatwok long kirapim ensin na mekim pawa i lus moa. Olsem na taim yu senisim oil, yu mas tingim viskositi em kampani i wokim long buk bilong draiva i tok orait long en inap long mak yu inap mekim.
(1) Makim oil bihainim klaimet
Taem tempereja blong ambient i daon, jusum oel wetem wan viskositi we i daon moa blong mekem se enjin i stat. Taem tempereja blong ambient i hae, jusum wan oel we i gat wan viskositi we i hae moa blong mekem i isi blong muv mo mentenem oel film;
(2) Jusum oel folem kondisen blong trak
Long ol ensin i stap gut, kliarens i liklik, olsem na ol i ken yusim wanpela oil i gat liklik viskositi. Long ol ensin i no gutpela, kliarens i bikpela, olsem na ol i ken yusim wanpela oil i gat bikpela viskositi;
(3) Yusum spesel oel .
Bikos long bikpela presa bilong paia bilong ol disel ensin na salfa-}… i gat disel i save kamapim salfa asid diluent oil bihain long paia i bin kukim, ol disel ensin i mas yusim spesel oil bilong ol disel ensin we inap daunim salfaurous asit.
(4) As bilong yusim ol samting bilong lukautim ensin bilong ol ka.
Strongim wok bilong ensin long mekim wok bilong en, abrusim ol samting bilong pasim ensin, na senisim wok bilong stretim gen taim yu stretim gut wok bilong en.
Senisim oltaim oil bilong ensin, yusim ol hai- kwaliti ensin mentenens prodak bilong lukautim, klinim oltaim slad, koloid na kabon diposit insait long ensin lubrikesen sistem, holim lubrikesen sistem i stap klin, na yusim ol prodak bilong lukautim ensin long kamapim gut wok bilong lubrikesen bilong wan wan komponen, daunim wear, na skruim sevis laip bilong ol komponen.
Long sistem bilong lubriketesen bilong ensin bilong ol ka, sapos ol i mekim wok mentenens oltaim, em i no inap long skruim sevis laip bilong ensin tasol, tasol tu daunim ol lus bilong ekonomi i no gat wok long en.
(5) Klinim oil senel
Rot bilong klinim em: bihain long ol i rausim wara long pipia, putim liklik oil o ol i filterim hai- kwaliti disel i go insait long ensin oil pan, mak bilong en i wankain olsem 60%-70% bilong standet oil level kapasiti bilong oil pan, bihain ranim ensin long idle spit inap 2-3 minit, na bihain rausim wara bilong wasim.