2-27. COMPONENTS AND PIPING ARRANGEMENT (Continued).
BREATHER TUBE. Allow fumes from hot oil to escape.
OIL FILLER. Located in engine cover. Used for replenishing engine oil supply.
OIL COOLER. Coolant circulates through internal tubes of oil cooler and carries away
heat from engine oil.
PRIMARY OIL FILTER. Throwaway filter removes dirt and foreign particles from oil.
DIPSTICK. Engine oil level indicator.
DRAIN PLUG. Located in bottom of engine oil pan, Used to drain oil from engine.
OIL RETURN LINE. Carries return oil from turbocharger to engine block.
OIL SUPPLY LINE. Carries oil under pressure to cool and lubricate turbocharger.