3
Introduction
The air system is a vital part of the Ottawa yard tractor. Its proper functioning is
necessary to operate the truck in a safe, dependable manner. The information in this
section is intended to provide the service technician with a basic understanding of the
air system. There are two air systems that are commonly used. One is used for trucks
that must comply with FMVSS 121 and will be capable of operating on-highway. The
other is for trucks that will be operated solely in an off-highway situation.
For complete information on the valve and components in this service manual, refer to
the manuals published by their respective manufacturers.
Revised 11/15/99
Comentarios a estos manuales