Operation and maintenance manual

QSB4.5 and QSB6.7 Flow Diagram, Lubricating Oil System

Section D - System Diagrams Page D-7

Flow Diagram, Lubricating Oil System

Flow Diagram

Lubrication for the Overhead Components

1 Main lubricating oil rifle

2 Rocker lever support

3 Transfer slot

4 Rocker lever shaft

5 Rocker lever bore

6 Rocker lever.

Overhead Components

From the cylinder block, the drilling continues in the cylinder head to a drilling in the rocker lever pedestal. Internal

drillings in the pedestal supply lubricating oil to the rocker shaft, push rod socket, and crosshead pad. Residual oil

from the overhead lubricates the camshaft and tappets.

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