BOLT-SOCKET HEAD 5255754 - Caterpillar

the instrument panel for good condition. Perform the self-test. All of the warning lamps should illuminate. If a warning lamp does not illuminate, replace the bulb immediately. If the alarm does not sound, investigate the problem and correct the problem.Check the condition of all of the gauges. If a gauge is broken, repair the gauge or replace the gauge immediately.Frequently monitor the gauges during normal operation.Record the data in a log. Compare the new data to the data that was previously recorded. Comparing the new data to the recorded data will help to establish the trends of engine performance. A gauge reading that is abnormal may indicate a problem with operation or a problem with the gauge.