1. Check spare parts list and excavator condition
2. Refit hydraulic control to electronic control via hydraulic breaker pipeline
Remove the plate under the cab.
Connect the 3 pipes of pilot foot valve to pilot valve.
Install pilot valve in a suitable position
Install pilot valve circuit
3. Replace the joysticks and install the circuit
Replace the left and right joysticks.
Connect power line.
Connect joysticks circuits.
Connect to control box
4. Install the circuit and oil pipes along the boom and arm
Install circuit along the boom and arm
Connect grapple to breaker pipe lines
Fix the circuit on the iron
Connect grapple to circuit
Quick coupler connecting
5. Test and adjust pipes if necessary
Tighten hydraulic pipes
Unload pilot valve dam-board
Test the grab
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