Governor Control Seals - Isuzu AU-4LE1T Maintenance Manual

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3) Install the cover. When installing, use a wrench and fully tighten it to
the end.
After installing the cover, be sure to check airtightness.
CAUTION:
(6)

Governor Control Seals

As the governor (timing gear case) is precisely adjusted, most of the
controls are sealed, please do not break them. When the adjustment is
necessary, contact with your machine supply source.
The manufacturer does not warrant the claim on the engine
CAUTION:
with the broken governor seals.