1. General41.3 Fuel oil, lubricating oil and cooling water1.3.1 Fuel oilIMPORTANT:Only use the recommended fuel to obtain the best engine performance and prevent damage of parts,also prevent air pollution.(1) Selection of fuel oilUse the following diesel fuels for best engine performance:BS 2869 A1 or A2Fuels equivalent to Japanese Industrial Standard, JIS. No. K2204-2Fuel cetane number should be 45 or greater(2) Fuel handling• Water and dust in the fuel oil can cause operationfailure. Use containers which are clean inside tostore fuel oil. Store the containers away from rainwater and dust.• Before supplying fuel, let the fuel container rest forseveral hours so that water and dust in the fuel aredeposited on the bottom. Pump up only the cleanfuel.(3) Fuel tankBe sure to attach a drain cock, precipitation trap andprimary strainer to the fuel tank as shown illustrationright.1.3.2 Lubricating oilIMPORTANT:Use of other than the specified engine oil may causeinner parts seizure or early wear, leading to shortenthe engine service life.(1) Selection of engine lube oilUse the following engine oil• API classification ......... CD or better(Standards of America Petroleum Institute)• SAE viscosity ......... 10W-30 or 15W-40(Standard of Society of Automotive Engineering)Engine oil with 10W-30 can be used throughout theyear.(Refer to the right figure.)Pump up only the fuelin the upper half toleave dregs near the bottomFiller portFuel returnconnectionOutlet(to engine)Drain cockPrimarystrainerSelection of viscosity(SAE Service grade)Atmospheric temperature ( C)10W-30/15W-40 can be usedalmost throughout the year.
