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TL960 SERVICE MANUAL

Operation and Maintenance Manual furnished with the bus. Most comments made herein are excerpts from that manual and are intended only to provide a broad overview of what the ECM does and how the 3126B differs from older engines, as far as the fuel system is concerned.

  • 1.

    Operating units with winterfront/shutters - refer to the section related to the cooling system.

  • 2.

    Fuel, lubricating oil, and coolant requirements are covered in the Caterpillar manual.

  • 3.

    Jump starting - no special precautions need to be taken to protect the electronic system, other than what you would normally do in any jump starting operation.

Welding on the Chassis

Before welding on this bus equipped with an electronically controlled engine, the following precautions should be observed:

  • 1.

    Disconnect all cables connected to the batteries.

  • 2.

    Disconnect both electrical connectors at the ECM.

  • 3.

    Do NOT use the ECM or engine ground stud for

grounding the welder.

Customer Specifications

The customer determines certain parameters when writing the specifications for this bus. (See page 13-12.) At that time he or she was given the option of programming a password into the ECM. Unless the correct password is entered, it is impossible to change the maximum engine RPM originally programmed. The same thing applies to the Vehicle Maximum Speed limit and any other parameters that the customer specified. Certain features of the ECM system are controlled only by Caterpillar, consequently Caterpillar has its own password. However, customer passwords are not required for the engine to operate. The purpose is to prevent unauthorized alterations of the system as originally set up.

If the customer password(s) is (are) forgotten or misplaced, arrangements have to be made with the Caterpillar dealer to obtain the factory password if a change in one of the features is desired.

Page 13-9

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