785G Off-Highway Truck Systems Caterpillar

Sudden movement of the machine or release of air or oil under pressure can cause possible injury or death to persons on or near the machine.

Disconnecting the transmission wiring harness while the engine is running may damage the transmission. The transmission wiring harness should only be disconnected when the engine is OFF.

1. Move the machine to a smooth horizontal location. Move the machine away from any machines. Move the machine away from any personnel.

2. Move the transmission control to the NEUTRAL position. Stop the engine.

3. Permit only one operator on the machine. Either keep other personnel away from the machine, or keep other personnel in the sight of the operator.

4. Activate the parking brakes.

5. Place blocks in front of the wheels and behind the wheels.
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   Retaining cables that are connected to the dump body (example only)

6. If necessary to lift the dump body of the truck, connect the retaining cables to the rear of the truck.

7. Make sure that the transmission control is in the NEUTRAL position.

8. Make sure that all the oil pressure is released before any fittings, hoses, or components are worked on. Refer to Operations and Maintenance Manual, SEBU9116, System Pressure Release.