322 Engine X Unscrew filter element A from filter head : . Fuel system with fuel prefilter ! Do not bleed the fuel system by operating the starter motor for an extended period of time. You could otherwise damage the starter motor. X Unscrew water separator D from filter ele- ment A and clean it or replace as neces- sary. X Coat new sealing ring C lightly with engine oil. X Replace filter element A . X Screw water separator D with sealing ring C onto filter element A hand-tight. X Coat new sealing ring B lightly with engine oil. X Screw on filter element A with new sealing ring B hand-tight on filter head : . X Close drain plug E and bleed screw = .
Breakdown assistance X Bleed the fuel system ( Y page 322). X Check the fuel system for leaks. X Fill up the fuel tank to above the reserve range ( Y page 216). X Press hand pump : of fuel prefilter ; approximately fifty times in succession. The filter housing is then filled with fuel. Bleeding the fuel system Fuel system without fuel prefilter X Start the engine ( Y page 318) or ( Y page 160). If the engine does not start: stop the starting procedure after a period of 20 seconds, wait for approximately one minute and then repeat the starting proce- dure. After three starting attempts, wait approximately three minutes before trying again. If the engine starts:
let it idle for approx- imately one minute. The fuel system is self- bleeding. ! Do not bleed the fuel system by operating the starter motor for an extended period of time. You could otherwise damage the starter motor. X Fill up the fuel tank to above the reserve range ( Y page 216). X Start the engine ( Y page 318) or ( Y page 160). If the engine does not start: stop the starting procedure after a period of 20 seconds, wait for approximately one minute and then repeat the starting proce- dure. After three starting attempts, wait approximately three minutes before trying again. If the engine starts: let it idle for approx- imately one minute. The fuel system is self- bleeding.