GEAR (42 Teeth) 1P6576 - Caterpillar

Illustration 1 g06091996
Quick coupler valve location on the inside left wall of the non-engine end frame near the articulation hitch.
(1) Load Sense Solenoid (Enable)
(2) Retract Solenoid
(3) Extend Solenoid
(4) Pressure Reducing Valve
Illustration 2 g06072286
Location of quick coupler components. View is from under machine.
(5) Quick coupler cylinders
(6) Manual valves
(7) Check Valves
Illustration 3 g06107732
Quick coupler switch located on the right side control panel.
(8) Quick coupler switchNote: When using the quick coupler to engage a work tool, always verify that the coupler wedges are engaged in the proper position to lock the work tool. Visually inspect the coupler wedge position or manipulate the tool in a manner that will confirm that the tool is locked in place.The quick coupler gives the machine the ability to change work tools without leaving the cab. Press the bottom of the quick coupler switch (8) to engage the coupler pins. To release the coupler pins, the red tab on the bottom of the switch must be pressed to unlock the switch then press the top of the switch to activate the system.The quick coupler valve is located on the left side of the front loader frame. The load sense solenoid (1), retract solenoid (2), and extend solenoid (3) are used to engage or disengage the work tool with the quick coupler pins. Two manual valves (6) allow the oil to flow from the quick coupler valve to the quick coupler cylinders. The quick coupler cylinders (5) for the quick coupler locking pins are located in the coupler frame.
Illustration 4 g03655408
(1) Load Sense Solenoid (Enable)
(2) Retract Solenoid
(3) Extend Solenoid
(4) Pressure Reducing Valve
(5) Quick coupler cylinders
(6) Manual valves
(7) Check valvesOil for the quick coupler valve is supplied from the implement valve. To extend the quick coupler cylinders, the load sense solenoid (1) is energized by the