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3.12
ENGINE
EH50PL Oil Flow Diagram
EH50PL Oil Flow Chart
Vent Hose
Oil Tank
Oil Filter
Oil feed to filter
From filter to
One way valve
crankshaft
Top fitting is oil
feed or intake
from bottom of tank
Bottom fitting is oil
exhaust or return
to tank
Internal passage to
camshaft (front left
head bolt)
Oil Tank
Oil Hose
Crankcase
Oil Gallery
Crankcase
Oil Gallery
Oil Pump
(Scavenging)
Oil Hose
Oil Strainer
Crankcase
Oil Gallery
Oil Pump
(Feed)
One Way Valve
Bypass
Oil Filter
Delivery Pipe
Crankshaft
Prevents oil from
draining into
crankcase with
engine off
Top of Oil Tank
Delivery Pipe
Delivery Pipe
Crank Pin
Large End
Bearing
Cylinder Sleeve
Small End
Bearing
Crankcase
(PTO)
Main Bearing
Cam Shaft
Journal
Cam Lobe
Cam Shaft
Journal
Chain Room
Sprocket
Chain
Metal
Union Fitting (Lower)
Union Fitting
(Upper)
Through Cylinder
Stud Front Left
Oil
Jet
Indirect
Lubrication
Screen Fitting
(Bottom of Tank)
Rocker Arm
Rocker Shaft