VALVE-CHECK 1384733 - Caterpillar

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(1) Stick Out (2) Swing Right (3) Stick In (4) Swing Left (5) Boom Lower (6) Grapple Open (7) Boom Raise (8) Grapple Close (9) HOLDWhen you release the joysticks from any position, the joysticks will return to HOLD position (9). Movement of the upper structure will stop.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.The machine control pattern can be varied by changing the hydraulic hose connections. See your Caterpillar dealer for the procedure.Two functions may be performed at the same time by moving a joystick diagonally.Grapple Rotator Control
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(1) Medium pressure switch (2) Horn switch (3) Medium pressure switch (4) AEC switch
Grapple Rotate Clockwise - Press the medium pressure switch (1) on the left joystick in order to rotate the grapple clockwise.
Horn - Press the horn switch (2) on the left joystick in order to activate the horn.
Grapple Rotate Counterclockwise - Press the medium pressure switch (3) on the right joystick in order to rotate the grapple counterclockwise.
AEC Switch - Press the AEC switch (4) on the right joystick in order to activate low engine speed. Press the switch again in order to activate high engine speed.