AXLE GP-REAR 3148937 - Caterpillar

Unburned gas in the air inlet and exhaust system may ignite when the engine is started. Personal injury and/or property damage may result.Before starting an engine that may contain unburned gas, purge the unburned gas from the air inlet and exhaust system. Refer to the topic on purging unburned gas in the "Starting the Engine" section.
If an engine protective device shuts off the engine, always determine the cause of the shutoff. Make the necessary repairs before attempting to start the engine.Become familiar with the following information:
Types of the alarm and shutoff controls
Locations of the alarm and shutoff controls
Conditions which cause each control to function
Resetting procedure that is required before starting the engineTesting Alarms and Shutoffs
Alarms must function properly to provide timely warning to the operator. Shutoffs help to prevent damage to the engine. To determine if the engine protective devices are in good working order during normal operation, may be difficult. Malfunctions must be simulated to test the engine protective devices.
During testing, abnormal operating conditions must be simulated.The tests must be performed correctly in order to prevent possible damage to the engine.
Periodic testing of engine protective devices for proper operation is recommended maintenance. To prevent damage to the engine, only authorized service personnel or your Cat dealer should perform the tests.Setpoints for Alarms and Shutoffs
For information on the setpoints for Alarms and Shutoffs, refer to the Troubleshooting manual , RENR2270