4. LUBRICATION SYSTEM MXU 300/250 4 __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ 4 __________________________________________________________________________________ LUBRICATION SYSTEM __________________________________________________________________________________ SERVICE INFORMATION------------------------------------------------ 4- 2 TROUBLESHOOTING----------------------------------------------------- 4- 2 ENGINE OIL/OIL FILTER ------------------------------------------------ 4- 3 OIL PUMP -------------------------------------------------------------------- 4- 3 4-0