7-62 POWER UNIT
ENGINE LUBRICATION SYSTEM
Acamshaft driven trochoid type pump provides engine oil to all power unit components requiring lubrication.
Oil form the oil pan is drawn theough the oil strainer and passed through a spin-on type oil filter before
entering the main oil gallery.
A pressure regulator (relief valve) is positioned between the oil pump and oil filter maintaion oil pressure at a
constant level.
From the main gallery, oil flow is deirected through either drilled internal passage or by splash method to
those surface requiring lubrication.
ENGINE OIL LUBRICATION CHART
No.1 CRANKSHAFT
MAIN JOURNAL
No.1 CRANK PIN
No.2 CRANK PIN
No.1 PISTON
No.3 CRANK PIN
OIL FILTER
OIL PUMP
PRESSURE
REGULATOR
OIL STRAINER
OIL PAN
ROCKER ARM
ROCKER ARM SHAFT
No.4 CAMSHAFT JOURNAL
OIL JET
CAMSHAFT
TIMING CHAIN TENSIONER
INTAKE VALVE END
No.1 CYLINDER
WALL
No.2 PISTON
No.3 PISTON
No.2 CYLINDER
WALL
No.3 CYLINDER
WALL
No.2 CRANKSHAFT
MAIN JOURNAL
No.3 CRANKSHAFT
MAIN JOURNAL
No.4 CRANKSHAFT
MAIN JOURNAL
No.3,2,1, CAM-
SHAFT JOURNAL