768C & 769C TRACTOR & 769C TRUCK VEHICLE SYSTEMS Caterpillar

START BY:

a. remove cab rear cover

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To prevent possible personal injury do not remove low air pressure switch (2) until all air pressure has been released from the air system.

1. Disconnect two wires (3) from low air pressure switch (2), and remove the switch from fitting (1).

2. Install switch (2) in fitting (1), and connect wires (3) to the switch.

END BY:

a. install cab rear cover