Cylinder Block Assembly; General Description - Perkins 900 Series Workshop Manual

900 Series
7

Cylinder block assembly

7

General description

In production the cast iron cylinder block is made without cylinder liners, but where necessary the cylinders
can be bored to receive partially finished liners. The original bores and the partially finished liners are honed
with silicon carbide tools to a controlled finish, to ensure a long life and low oil consumption.
In early engines the four camshaft journals rotate in plain bores. In some applications a bush is fitted in the
cylinder block for the front camshaft journal, the other journals run directly in the cylinder block.
Workshop Manual, TPD 1345E, issue 3 111
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