315C Excavator Engine Speed Control Caterpillar


Engine Speed Control
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1.1. Backup Method for Controlling Engine Speed



Illustration 1g00682219


Engine Speed - Turn the engine speed dial in order to control the engine speed (engine rpm). Select the desired position from the ten available positions. The selected position of the engine speed dial is indicated on the electronic monitor panel.



Illustration 2g00684599


Decrease - Turn the engine speed dial counterclockwise in order to decrease the engine speed (engine rpm).


Increase - Turn the engine speed dial clockwise in order to increase the engine speed (engine rpm).

Backup Method for Controlling Engine Speed

If the control system does not work due to a malfunction and the engine speed cannot be adjusted by the engine speed dial, the following method will allow you to adjust the engine speed temporarily. Make repairs as soon as possible.

Check the message display for any error messages. If the error message "ECM ERROR" is displayed, there is a problem in the electronic controller. See Operation and Maintenance Manual, "Backup Controls".

If the engine speed cannot be adjusted by the engine speed dial and the indicator for the electronic controller does not come on, see Operation and Maintenance Manual, "Backup Controls".

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