4.154 (M) Engines
DAILY
Check coolant level in header tank(see warning on page 54).
Check engine lub oil level (see page 56).
Check engine oil pressure (if equipped with gauge).
Check gearbox fluid level (see page 59).
FIRST 25/50 HOURS
Change engine lub oil (see page 58).
Renew engine lub oil filter element (s) (see page 57).
Check cylinder head nuts/setscrews for correct torque (see page 41).
Set valve clearances to 0.012 in (0.30mm) cold (see page 61).
Check coolant level (header tank) and inspect for coolant leaks.
Check external nuts, setscrews, mountings, etc. for tightness.
Check drive belt tension (see page 56).
Check electrical equipment and connections.
Check for lub and fuel oil leaks.
Check engine idling speed (see page 50).
Check general performance of engine.
EVERY 100 HOURS OR 2 MONTHS (WHICHEVER OCCURS FIRST)
Clean air intake filter.
EVERY 200 HOURS OR 4 MONTHS (WHICHEVER OCCURS FIRST)
Change engine lub oil (see page 58).
Renew engine lub oil filter element (s) (see page 57).
Check drive belt tension (see page 56).
Check engine for leakage of oil and water.
Clean water trap (if equipped).
EVERY 400 HOURS OR 12 MONTHS (WHICHEVER OCCURS FIRST)
Renew final fuel filter element.
Check hoses and clamps.
Drain and clean fuel tank.
Change gearbox fluid (see page 59).
EVERY 800 HOURS
Check sea water pump impeller (see page 54).
EVERY 2,400 HOURS
Arrange for examination and service of accessory equipment (i.e.,
starter motor, alternator, etc.).
Check and adjust valve tip clearances (see page 61).
Service injectors (see page 53).
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