797B Off-Highway Truck: Symptom Troubleshooting

Use the following guidelines for troubleshooting:

Know the Machine

Understand the machine operation. Know if the symptom is a characteristic of normal operation or a failure.

Use Available Service Literature

Use all available service literature to understand the machine systems and perform troubleshooting. Read the Systems Operation to understand the machine systems. Understand machine system interactions.

Understand the Symptom

Speak with the operator about the symptom and acquire the following Information:

• Machine performance prior to the failure
• Symptom first occurrence
• Operating conditions at the time of the failure
• Sequence of events prior to the failure
• Troubleshooting steps that have been taken
• Machine repair history
• Machine preventive maintenance
• Related specific serial number service information
• Inspect the machine for problems and unusual odors or noises.

Verify the Symptom

When possible, duplicate the symptom. Operate the machine and repeat the conditions that caused the failure. Check the gauges, look for unusual indications.

Determine if an electronic control module (ECM) has detected any faults. A diagnostic code is used to specify each detected fault.

Determine Possible Causes

Use the information from the operator and your inspection. If there is more than one symptom, identify a common cause.

Test and Repair the System

Use the tests and procedures in this manual to verify the cause of the symptom. Once the cause has been identified, repair the failure. Then, test the system again to verify that the problem is resolved.

Provide Feedback to Caterpillar

Share your troubleshooting information. Provide Caterpillar® feedback after the correct repair has been performed. Use the form in the Service Information System (SIS) web site or Component Based Troubleshooting (CBT) feedback to communicate with Caterpillar. Write a brief description about the symptom, testing, and repair. Include your phone number or e-mail address so you can be contacted. This feedback helps Caterpillar improve service information.

Emerging Symptom Information

This space is for new symptom information for this product.

Note: Use the Service Information System (SIS) on the web in order to find the most up-to-date information.

Share your troubleshooting knowledge of symptoms. Please use the feedback form in "SIS Web"or use the "CBT"feedback in order to write a brief description about the symptom. Include any testing and repair that was performed on the machine. Your feedback information will help Caterpillar improve the symptom information for this product.

If you need more information, You can visit:

http://www.cat.com

797B Off-Highway Truck: Symptom Troubleshooting 2012-12-25T18:21:00-08:00 Rating: 4.5 Diposkan Oleh: Unknown