550, 570 and 580 Wheel Harvesters Caterpillar

Illustration 1	g00674701

The hood must be raised in order to access the engine compartment. The switch that controls the hood is located on the right rear side of the machine.

1. Open the small access door.

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Illustration 2	g00703211

2. Pull out on toggle switch (1). Move the toggle switch to position (A) in order to raise the hood. Release the toggle switch. The toggle switch will return to the center position.

3. Pull out on toggle switch (1). Move the toggle switch to position (B) in order to lower the hood. Hold the toggle switch in position until the hood is closed. Release the toggle switch. The toggle switch will return to the center position.

Manual Operation

If the switch malfunctions, the hood can be raised and lowered manually by using a socket head on an air wrench.

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Illustration 3	g00857664

1. Remove eight bolts (2) and cover (3) .

2. Disconnect the wiring harness for the switch. Otherwise, the switch may be broken when the panel is removed.

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Illustration 4	g00857663
Tilt Hood Actuator and Lift Motor

3. Insert a socket head on an air wrench onto the shaft of the lift motor. Turn the shaft clockwise in order to raise the hood. Turn the shaft counterclockwise in order to lower the hood.

   Also, the mounting bolt at the rod end of the tilt hood actuator can be removed in order to lift the hood by hand.