Bucket Controls
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| Illustration 1 | g00291808 |
The machine control pattern can be varied by changing the hydraulic hose connections. Consult your Caterpillar dealer for the procedure.
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| Illustration 2 | g00101278 |
The machine control pattern is initially set at the factory to the SAE system, as shown. The pattern on the left pertains to the left joystick and the pattern on the right pertains to the right joystick.
| Stick Out (1) - Move the joystick to this position in order to move the stick outward. |
| Swing Right (2) - Move the joystick to this position in order to swing the upper structure to the right. |
| Stick In (3) - Move the joystick to this position in order to move the stick inward. |
| Swing Left (4) - Move the joystick to this position in order to swing the upper structure to the left. |
| Boom Lower (5) - Move the joystick to this position in order to lower the boom. |
| Bucket Dump (6) - Move the joystick to this position in order to dump the bucket. |
| Boom Raise (7) - Move the joystick to this position in order to raise the boom. |
| Bucket Close (8) - Move the joystick to this position in order to close the bucket. |
HOLD (9) - When you release the joysticks from any position, the joysticks will return to the HOLD position. Movement of the upper structure will stop.
Two functions may be performed at the same time by moving a joystick diagonally.
If the machine is equipped with a hydraulic hammer, the function of positions (6) and (8) is different.
Hydraulic Hammer Raise (6) - Move the joystick to this position in order to raise the hydraulic hammer.
Hydraulic Hammer Lower (8) - Move the joystick to this position in order to lower the hydraulic hammer.
Material Handler
Joysticks for Rotating Grapple
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| Illustration 3 | g00107449 |
The machine control pattern can be varied by changing the hydraulic hose connections. Consult your Caterpillar dealer for the procedure.
| | |
| Illustration 4 | g00101278 |
The machine control pattern is initially set at the factory to the SAE system, as shown. The pattern on the left pertains to the left joystick and the pattern on the right pertains to the right joystick.
| Stick Out (1) - Move the joystick to this position in order to move the stick outward. |
| Swing Right (2) - Move the joystick to this position in order to swing the upper structure to the right. |
| Stick In (3) - Move the joystick to this position in order to move the stick inward. |
| Swing Left (4) - Move the joystick to this position in order to swing the upper structure to the left. |
| Boom Lower (5) - Move the joystick to this position in order to lower the boom. |
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| Grapple Open (6) - Move the joystick to this position in order to open the tool. |
| Boom Raise (7) - Move the joystick to this position in order to raise the boom. |
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| Grapple Close (8) - Move the joystick to this position in order to close the tool. |
Hold (9) - When you release the joysticks from any position, the joysticks will return to the HOLD position. Movement of the upper structure will stop.
Two functions may be performed at the same time by moving a joystick diagonally.
The functions of positions (6) and (8) could be different if the machine has a different configuration.
Left Implement joystick
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| Illustration 5 | g00330763 |
| Grapple Rotate Clockwise (10) - Press the left side of the top rocker switch in order to rotate the grapple clockwise. |
| Horn (11) - Press the lower switch on the top of the left joystick in order to activate the horn. |
| Grapple Rotate Counterclockwise (12) - Press the right side of the top rocker switch in order to rotate the grapple counterclockwise. |
Right Implement joystick
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| Illustration 6 | g00330823 |
| AEC Switch (13) - Press the lower switch on the top of the right joystick in order to activate low engine speed. Press the switch again in order to activate high engine speed. |
Medium Pressure Circuit Controls (If Equipped)
The medium pressure circuit is capable of providing two-way hydraulic flow for attachments such as tilting buckets. This circuit also provides two-way hydraulic flow for rotation of crushers.
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| Illustration 7 | g00291807 |
The controls for the medium pressure circuit are located on the left joystick.
Push down on either side of the button that is on top of the left joystick in order to operate the medium pressure circuit.
Note: Refer to "Bucket Controls" for the operation of the boom, stick, and swing functions.
Clamshell Bucket Control (If Equipped)
The attachment enables the operator to control attachments such as clamshells by using the standard bucket controls.
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| Illustration 8 | g00101278 |
All of the positions on the joysticks are identical to the bucket controls except for position (6) and position (8) .
Clamshell Open (6) - Move the joystick to this position in order to open the clamshell.
Clamshell Close (8) - Move the joystick to this position in order to close the clamshell.
The attachment is activated by switching a ball valve that is located on the head end of the bucket cylinder. A second ball valve can be installed in order to improve the insulation of the hydraulics in this circuit.
| NOTICE |
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Do not operate the clamshell circuit with one ball valve set to the bucket circuit and the other ball valve set to the clamshell circuit. Serious damage to the bucket cylinder may result. |