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3
6. Using a micrometer, measure and record camshaft
journal diameter. Measurement must not be less
than minimum specification.
DE522
DE523
7. Using a micrometer, measure and record camshaft
intake, exhaust, and injection lobe height. Mea-
surements must not be less than minimum specifi-
cations.
DE527
8. Using an inside micrometer, measure the camshaft
journal holder diameter. Measurement must not
exceed the maximum specifications.
DE541
NOTE: If the rocker arm assembly is to be disas-
sembled, label all rocker arms for installing pur-
poses. If the rocker arms are mixed up, the
complete overhead must be adjusted.
9. After labeling rocker arms and supports, remove
components from the rocker arm shaft.
10. Inspect the wear points on the rocker arm shaft and
using a micrometer, measure the shaft. The mea-
surements must be within specifications.
DE542
11. Measure the inside diameter of the rocker arms.
The measurement must be within specifications.
DE544
12. Inspect all components for cracks, flaking, galling,
or signs of discoloration.
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