25238801 iii
Preface
This service manual is divided into six sections:
Section 1 System Description — Introduces you to the BC-3500, its features, and its major components,
principles of operation, and capacities.
Section 2 Installation and Programming — Guides you through step-by-step installation instructions and
detailed setup (programming) procedures.
Section 3 Routine Service — Provides routine service instructions for general maintenance and preventive
maintenance. This section provides information for routine service and identified problems. Refer to
Section 4: Troubleshooting for procedures and techniques to identify a malfunction or reject problem.
Section 4 Troubleshooting — Provides troubleshooting charts, detailed error message descriptions, trouble-
shooting procedures, a block diagram, schematics, circuit board layouts, and components lists. This
section also contains a detailed sequence of operation.
Section 5 Miscellaneous — Contains a harness color code list and other miscellaneous information.
Section 6 The Parts Catalog — Lists and illustrates all replaceable modules in the BC-3500.
This manual is intended for owners, route operators, and technicians. It provides all field and shop related service
and maintenance material. Accessories and their installation and service are discussed in the corresponding
accessory instructions (or manuals).