VALVE GP-RELIEF 1764081 - Caterpillar

Illustration 1 g06241037The battery disconnect switch is on the right side of the machine behind access door (1) with the battery compartment.
Illustration 2 g00406959
Never move the battery disconnect switch to the OFF position while the engine is operating. Serious damage to the electrical system could result.
Battery Disconnect Switch
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 position before you start the engine.
Never move the battery disconnect switch to the OFF position while the engine is operating. Serious damage to the electrical system could result.
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 off the battery disconnect switch. The battery remains connected to the electrical system when you turn off the engine start switch.Turn the battery disconnect switch to the OFF position and remove the key when you service the electrical system or any other machine components.Checking the Battery Disconnect System
To ensure no damage to the engine occurs, verify that the engine is fully operational before cranking the engine. Do not crank an engine that is not fully operational.
Perform the following procedure to check the battery disconnect system.
With the battery disconnect switch in the ON position, verify that electrical components in the operator compartment are functioning. Verify that the hour meter is displaying information. Verify that the engine will crank.
Turn the battery disconnect switch to the OFF position.
Verify that the following items are not functioning: electrical components in the operator compartment, hour meter, and engine cranking, If any of the items continue to function with the battery disconnect switch in the OFF position, contact your Cat dealer.