BLADE AS 6Y0566 - Caterpillar

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If the machine is equipped with a manual coupler, move the levers for the coupler pins to the ENGAGED position. If the machine is equipped with a hydraulic quick coupler refer to Operation and Maintenance Manual, "Operator Controls - Work Tool Coupler Control" for details on engaging the coupler pins.
If the work tool requires hydraulics, then use the following procedure.
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Route the hydraulic hoses through the hose guide on the machine in order to prevent damage to the hoses. Not all work tools require the hydraulic hoses to be routed through the hose guide. The work tool Owner's Manual will inform you if the hydraulic hoses need to be routed through the hose guide. The Caterpillar hydraulic hoses must be routed through the hose guide.
Ensure that the quick connect couplers are clean.
Connect the auxiliary hydraulic hoses for the work tool to the machine. Twist the collar of the quick connect coupler for one quarter of a turn in order to secure the hydraulic connections.
If the work tool is equipped with electrical lines, then route the electrical lines with the hydraulic hoses.
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Connect the wire harness (if equipped) to the electrical connector on the machine.
Connect the water line (if equipped) to the electrical connector for the water line on the machine.
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Visually ensure that both coupler pins are extending out of the holes in the work tool mounting bracket.
Use the following procedure to verify engagement of the coupler pins.
Enter the machine.
Fasten the seat belt and lower the armrest.
Start the engine.
Disengage the parking brake.
Keep the work tool close to the ground.
Activate the tilt control in order to tilt the work tool downward.
Apply down pressure on the work tool.Note: The work tool Owner's Manual will inform you if forward pressure should not be applied on a work tool.
Move the machine backward. Ensure that there is no movement between the work tool and the quick coupler assembly.
Test the work tool for leaks and for proper operation.Removing the Work Tool
Disengaging the coupler pins will release the work tool from control of the operator.Serious injury or death may result from disengaging the work tool when it is in an unstable position or carrying a load.Place the work tool in a safe position before disengaging the coupler pins.
Auxiliary hoses for work tools must be disconnected before the quick coupler is disengaged.Pulling the work tool with the auxiliary hoses could result in damage to the host machine or the work tool.
Position the machine on level ground.
Lower the work tool to the ground.
Rack back the work tool until the work tool is slightly off the ground.
Turn the engine start switch key to the OFF position in order to stop the engine.
If the work tool requires hydraulics, use the following procedure in order to release the hydraulic system pressure.
Immediately, turn the engine start switch key to the ON position. Disengage the parking brake.
Press each side of the auxiliary hydraulic control switch (A1 and A2) for one to two seconds in order to release the auxiliary system pressure.