CONTACTOR AS 5409507 - Caterpillar

To prevent accidental discharge of the Fire Suppression Agent, while performing any service or maintenance, the machine must be isolated. Fire Suppression isolation is necessary since the Fire Suppression System will remain active with the battery disconnect switch in the OFF position.Failure to follow these instructions could result in personal injury or death.The Fire Suppression System isolation procedure should be performed by a trained technician, authorized by the OEM manufacturer.
Before any service or maintenance on the machine is performed, you must isolate the fire suppression system. The isolation procedure should be performed by a trained technician, authorized by the OEM manufacturer.In the event of a power loss, the fire suppression system is equipped with a backup battery. The battery will ensure that the fire suppression system will remain active during such period.During normal operation, service, or maintenance, the engine shutdown switch turned to the OFF position, will not deactivate the fire suppression system.Service or maintenance, on or near the fire suppression system, could inadvertently activate the system and release the fire suppression agent.
Illustration 1 g06200855
(1) Fire Suppression Isolation Switch
Turn off the engine. Place the engine start switch in the OFF position.
Switch the battery disconnect switch to the OFF position. Refer to Operation Maintenance Manual Operation Information"Battery Disconnect Switch".Note: The following steps should be performed by a trained technician, authorized by the OEM manufacturer:
Locate the fire suppression isolation switch (1).
Switch the fire suppression isolation switch (1) to the OFF position.When the service or maintenance of the machine is complete, the fire suppression system switch (1) must be turned to the ON position.Note: The fire suppression system should be energized by a trained technician, authorized by the OEM manufacturer.