213LUBRICATIONLubrications should be carefully selected according to the lubrication chart it is important to select viscosity of Lubricantsaccording to the ambient temperature by refering to the following table.VISCOSITY CHARTEngine oil Gear oilSAE 20 20WSAE 30SAE 10WSAE 10W -30SAE 10W -40SAE 15W 40. 15W 50. 20W 40. 20W 50SAE 5W 20SAE 40.50AmbientTemperature-30 C(20 F)-15 C(10 F)-0 C(32 F)15 C(60 F)25 C(80 F)33 C(90 F)AmbientTemperature-30 C(20 F)-15 C(0 F)-0 C(32 F)20 C(70 F)30 C(90 F)10 C(50 F)-25 C(10 F)SAE 80WSAE 85WSAE 90SAE 80W 90SAE 140SAE 80W 140SAE 85W 140SAE 75W 80