CAP AS-ENGINE OIL FILLER 2604810 - Caterpillar

Illustration 1 g06179792The battery disconnect switch is on the left side of the machine behind the rear access door.
Illustration 2 g06179801
(1) Battery disconnect switch
(2) DEF purge light
Battery Disconnect Switch - The battery disconnect switch can be used to disconnect the battery from the machines electrical system. The key must be inserted into the battery disconnect switch before the battery disconnect switch can be turned.
ON - To activate the electrical system, insert the disconnect switch key and turn the battery disconnect switch clockwise. The battery disconnect switch must be turned to the ON to enable battery power to start the engine.
OFF - To deactivate the electrical system, turn the battery disconnect switch counterclockwise to the OFF position.The battery disconnect switch and the engine start switch perform different functions. The entire electrical system is disabled when you turn the battery disconnect switch to the OFF position. The battery remains connected to the electrical system when you turn the engine start switch to the OFF position.Turn the battery disconnect switch to the OFF position and remove the key when you service the electrical system or any other machine components. If installed with a cover lock, close the cover and install a padlock.It is also good practice to use the disconnect switch after you operate the machine. This will prevent the battery from being discharged. The following problems can cause battery discharge:
short circuits
current draw via some components
vandalismMachines equipped with C7.1 Tier 4 engines: If DEF purge light (2) is illuminated, wait for the light to turn off before turning the disconnect switch to the OFF position. Waiting for the light to turn off allows the DEF system to fully purge the exhaust fluid and prevents damage to engine components.