RING-LOCK 5M7333 - Caterpillar

The connection of any electrical equipment and the disconnection of any electrical equipment may cause an explosion hazard which may result in injury or death. Do not connect any electrical equipment or disconnect any electrical equipment in an explosive atmosphere.
Customer passwords may be used to protect customer parameters from being changed. The passwords are programmed into the Electronic Control Module (ECM) with the Caterpillar Electronic Technician (ET). One password may be programmed or both passwords may be programmed. If customer passwords are not programmed, customer parameters may be changed by anyone.To obtain customer passwords, contact the owner of the engine. If the owner has forgotten the customer passwords, customer passwords may be read by using Cat ET. Factory passwords are required in order to read customer passwords.Use the following procedure in order to read customer passwords with Cat ET:
Select the "Information" menu. Then select "Passwords".
When the "Factory Password" screen appears, record the information that is listed.
Obtain the factory passwords. The information that is recorded from the "Factory Password" screen must be provided. When you obtain the factory passwords, a permanent record of your access is generated at Caterpillar.
From the "Factory Password" screen, enter the factory passwords.
When the "Read Customer Passwords" screen appears, record the customer passwords. The customer passwords may then be used to change parameters that are customer programmable.